-"""Core objects for the mudpy engine."""
+# -*- coding: utf-8 -*-
+u"""Core objects for the mudpy engine."""
-# Copyright (c) 2004-2008 Jeremy Stanley <fungi@yuggoth.org>. Permission
+# Copyright (c) 2004-2009 Jeremy Stanley <fungi@yuggoth.org>. Permission
# to use, copy, modify, and distribute this software is granted under
# terms provided in the LICENSE file distributed with this software.
-# import some things we need
-from ConfigParser import RawConfigParser
-from md5 import new as new_md5
-from os import _exit, R_OK, W_OK, access, chdir, chmod, close, fork, getcwd, getpid, listdir, makedirs, remove, rename, setsid, stat, umask
-from os.path import abspath, basename, dirname, exists, isabs, join as path_join
-from random import choice, randrange
-from re import match
-from signal import SIGHUP, SIGTERM, signal
-from socket import AF_INET, SO_REUSEADDR, SOCK_STREAM, SOL_SOCKET, socket
-from stat import S_IMODE, ST_MODE
-from string import digits, letters, punctuation, uppercase
-from sys import argv, stderr
-from syslog import LOG_PID, LOG_INFO, LOG_DAEMON, closelog, openlog, syslog
-from telnetlib import DO, DONT, ECHO, EOR, GA, IAC, LINEMODE, SB, SE, SGA, WILL, WONT
-from time import asctime, sleep
-from traceback import format_exception
-
class Element:
- """An element of the universe."""
- def __init__(self, key, universe, filename=None):
- """Set up a new element."""
-
- # keep track of our key name
- self.key = key
-
- # keep track of what universe it's loading` into
- self.universe = universe
-
- # clone attributes if this is replacing another element
- if self.key in self.universe.contents:
- old_element = self.universe.contents[self.key]
- for attribute in vars(old_element).keys():
- exec("self." + attribute + " = old_element." + attribute)
- if self.owner: self.owner.avatar = self
-
- # i guess this is a new element then
- else:
-
- # not owned by a user by default (used for avatars)
- self.owner = None
-
- # no contents in here by default
- self.contents = {}
-
- # parse out appropriate category and subkey names, add to list
- if self.key.find(":") > 0:
- self.category, self.subkey = self.key.split(":", 1)
- else:
- self.category = "other"
- self.subkey = self.key
- if not self.category in self.universe.categories:
- self.category = "other"
- self.subkey = self.key
-
- # get an appropriate filename for the origin
- if not filename: filename = self.universe.default_origins[self.category]
- if not isabs(filename): filename = abspath(filename)
-
- # add the file if it doesn't exist yet
- if not filename in self.universe.files: DataFile(filename, self.universe)
-
- # record or reset a pointer to the origin file
- self.origin = self.universe.files[filename]
-
- # add a data section to the origin if necessary
- if not self.origin.data.has_section(self.key):
- self.origin.data.add_section(self.key)
-
- # add or replace this element in the universe
- self.universe.contents[self.key] = self
- self.universe.categories[self.category][self.subkey] = self
-
- def reload(self):
- """Create a new element and replace this one."""
- new_element = Element(self.key, self.universe, self.origin.filename)
- del(self)
- def destroy(self):
- """Remove an element from the universe and destroy it."""
- self.origin.data.remove_section(self.key)
- del self.universe.categories[self.category][self.subkey]
- del self.universe.contents[self.key]
- del self
- def facets(self):
- """Return a list of non-inherited facets for this element."""
- if self.key in self.origin.data.sections():
- return self.origin.data.options(self.key)
- else: return []
- def has_facet(self, facet):
- """Return whether the non-inherited facet exists."""
- return facet in self.facets()
- def remove_facet(self, facet):
- """Remove a facet from the element."""
- if self.has_facet(facet):
- self.origin.data.remove_option(self.key, facet)
- self.origin.modified = True
- def ancestry(self):
- """Return a list of the element's inheritance lineage."""
- if self.has_facet("inherit"):
- ancestry = self.getlist("inherit")
- for parent in ancestry[:]:
- ancestors = self.universe.contents[parent].ancestry()
- for ancestor in ancestors:
- if ancestor not in ancestry: ancestry.append(ancestor)
- return ancestry
- else: return []
- def get(self, facet, default=None):
- """Retrieve values."""
- if default is None: default = ""
- if self.origin.data.has_option(self.key, facet):
- return self.origin.data.get(self.key, facet)
- elif self.has_facet("inherit"):
- for ancestor in self.ancestry():
- if self.universe.contents[ancestor].has_facet(facet):
- return self.universe.contents[ancestor].get(facet)
- else: return default
- def getboolean(self, facet, default=None):
- """Retrieve values as boolean type."""
- if default is None: default=False
- if self.origin.data.has_option(self.key, facet):
- return self.origin.data.getboolean(self.key, facet)
- elif self.has_facet("inherit"):
- for ancestor in self.ancestry():
- if self.universe.contents[ancestor].has_facet(facet):
- return self.universe.contents[ancestor].getboolean(facet)
- else: return default
- def getint(self, facet, default=None):
- """Return values as int/long type."""
- if default is None: default = 0
- if self.origin.data.has_option(self.key, facet):
- return self.origin.data.getint(self.key, facet)
- elif self.has_facet("inherit"):
- for ancestor in self.ancestry():
- if self.universe.contents[ancestor].has_facet(facet):
- return self.universe.contents[ancestor].getint(facet)
- else: return default
- def getfloat(self, facet, default=None):
- """Return values as float type."""
- if default is None: default = 0.0
- if self.origin.data.has_option(self.key, facet):
- return self.origin.data.getfloat(self.key, facet)
- elif self.has_facet("inherit"):
- for ancestor in self.ancestry():
- if self.universe.contents[ancestor].has_facet(facet):
- return self.universe.contents[ancestor].getfloat(facet)
- else: return default
- def getlist(self, facet, default=None):
- """Return values as list type."""
- if default is None: default = []
- value = self.get(facet)
- if value: return makelist(value)
- else: return default
- def getdict(self, facet, default=None):
- """Return values as dict type."""
- if default is None: default = {}
- value = self.get(facet)
- if value: return makedict(value)
- else: return default
- def set(self, facet, value):
- """Set values."""
- if not self.has_facet(facet) or not self.get(facet) == value:
- if type(value) is long: value = str(value)
- elif not type(value) is str: value = repr(value)
- self.origin.data.set(self.key, facet, value)
- self.origin.modified = True
- def append(self, facet, value):
- """Append value tp a list."""
- if type(value) is long: value = str(value)
- elif not type(value) is str: value = repr(value)
- newlist = self.getlist(facet)
- newlist.append(value)
- self.set(facet, newlist)
-
- def new_event(self, action, when=None):
- """Create, attach and enqueue an event element."""
-
- # if when isn't specified, that means now
- if not when: when = self.universe.get_time()
-
- # events are elements themselves
- event = Element("event:" + self.key + ":" + counter)
-
- def send(self, message, eol="$(eol)", raw=False, flush=False, add_prompt=True, just_prompt=False):
- """Convenience method to pass messages to an owner."""
- if self.owner: self.owner.send(message, eol, raw, flush, add_prompt, just_prompt)
-
- def can_run(self, command):
- """Check if the user can run this command object."""
-
- # has to be in the commands category
- if command not in self.universe.categories["command"].values(): result = False
-
- # avatars of administrators can run any command
- elif self.owner and self.owner.account.getboolean("administrator"): result = True
-
- # everyone can run non-administrative commands
- elif not command.getboolean("administrative"): result = True
-
- # otherwise the command cannot be run by this actor
- else: result = False
-
- # pass back the result
- return result
-
- def update_location(self):
- """Make sure the location's contents contain this element."""
- location = self.get("location")
- if location in self.universe.contents:
- self.universe.contents[location].contents[self.key] = self
- def clean_contents(self):
- """Make sure the element's contents aren't bogus."""
- for element in self.contents.values():
- if element.get("location") != self.key:
- del self.contents[element.key]
- def go_to(self, location):
- """Relocate the element to a specific location."""
- current = self.get("location")
- if current and self.key in self.universe.contents[current].contents:
- del universe.contents[current].contents[self.key]
- if location in self.universe.contents: self.set("location", location)
- self.universe.contents[location].contents[self.key] = self
- self.look_at(location)
- def go_home(self):
- """Relocate the element to its default location."""
- self.go_to(self.get("default_location"))
- self.echo_to_location("You suddenly realize that " + self.get("name") + " is here.")
- def move_direction(self, direction):
- """Relocate the element in a specified direction."""
- self.echo_to_location(self.get("name") + " exits " + self.universe.categories["internal"]["directions"].getdict(direction)["exit"] + ".")
- self.send("You exit " + self.universe.categories["internal"]["directions"].getdict(direction)["exit"] + ".", add_prompt=False)
- self.go_to(self.universe.contents[self.get("location")].link_neighbor(direction))
- self.echo_to_location(self.get("name") + " arrives from " + self.universe.categories["internal"]["directions"].getdict(direction)["enter"] + ".")
- def look_at(self, key):
- """Show an element to another element."""
- if self.owner:
- element = self.universe.contents[key]
- message = ""
- name = element.get("name")
- if name: message += "$(cyn)" + name + "$(nrm)$(eol)"
- description = element.get("description")
- if description: message += description + "$(eol)"
- portal_list = element.portals().keys()
- if portal_list:
- portal_list.sort()
- message += "$(cyn)[ Exits: " + ", ".join(portal_list) + " ]$(nrm)$(eol)"
- for element in self.universe.contents[self.get("location")].contents.values():
- if element.getboolean("is_actor") and element is not self:
- message += "$(yel)" + element.get("name") + " is here.$(nrm)$(eol)"
- elif element is not self:
- message += "$(grn)" + element.get("impression") + "$(nrm)$(eol)"
- self.send(message)
- def portals(self):
- """Map the portal directions for a room to neighbors."""
- portals = {}
- if match("""^location:-?\d+,-?\d+,-?\d+$""", self.key):
- coordinates = [(int(x)) for x in self.key.split(":")[1].split(",")]
- directions = self.universe.categories["internal"]["directions"]
- offsets = dict([(x, directions.getdict(x)["vector"]) for x in directions.facets()])
- for portal in self.getlist("gridlinks"):
- adjacent = map(lambda c,o: c+o, coordinates, offsets[portal])
- neighbor = "location:" + ",".join([(str(x)) for x in adjacent])
- if neighbor in self.universe.contents: portals[portal] = neighbor
- for facet in self.facets():
- if facet.startswith("link_"):
- neighbor = self.get(facet)
- if neighbor in self.universe.contents:
- portal = facet.split("_")[1]
- portals[portal] = neighbor
- return portals
- def link_neighbor(self, direction):
- """Return the element linked in a given direction."""
- portals = self.portals()
- if direction in portals: return portals[direction]
- def echo_to_location(self, message):
- """Show a message to other elements in the current location."""
- for element in self.universe.contents[self.get("location")].contents.values():
- if element is not self: element.send(message)
+ u"""An element of the universe."""
+ def __init__(self, key, universe, filename=None):
+ u"""Set up a new element."""
+ import os.path
+
+ # keep track of our key name
+ self.key = key
+
+ # keep track of what universe it's loading into
+ self.universe = universe
+
+ # clone attributes if this is replacing another element
+ if self.key in self.universe.contents:
+ old_element = self.universe.contents[self.key]
+ for attribute in vars(old_element).keys():
+ exec(u"self." + attribute + u" = old_element." + attribute)
+ if self.owner: self.owner.avatar = self
+
+ # i guess this is a new element then
+ else:
+
+ # not owned by a user by default (used for avatars)
+ self.owner = None
+
+ # no contents in here by default
+ self.contents = {}
+
+ # parse out appropriate category and subkey names, add to list
+ if self.key.find(u":") > 0:
+ self.category, self.subkey = self.key.split(u":", 1)
+ else:
+ self.category = u"other"
+ self.subkey = self.key
+ if not self.category in self.universe.categories:
+ self.category = u"other"
+ self.subkey = self.key
+
+ # get an appropriate filename for the origin
+ if not filename:
+ filename = self.universe.default_origins[self.category]
+ if not os.path.isabs(filename):
+ filename = os.path.abspath(filename)
+
+ # add the file if it doesn't exist yet
+ if not filename in self.universe.files:
+ DataFile(filename, self.universe)
+
+ # record or reset a pointer to the origin file
+ self.origin = self.universe.files[filename]
+
+ # add a data section to the origin if necessary
+ if not self.origin.data.has_section(self.key):
+ self.origin.data.add_section(self.key)
+
+ # add or replace this element in the universe
+ self.universe.contents[self.key] = self
+ self.universe.categories[self.category][self.subkey] = self
+
+ def reload(self):
+ u"""Create a new element and replace this one."""
+ new_element = Element(self.key, self.universe, self.origin.filename)
+ del(self)
+ def destroy(self):
+ u"""Remove an element from the universe and destroy it."""
+ self.origin.data.remove_section(self.key)
+ del self.universe.categories[self.category][self.subkey]
+ del self.universe.contents[self.key]
+ del self
+ def facets(self):
+ u"""Return a list of non-inherited facets for this element."""
+ if self.key in self.origin.data.sections():
+ return self.origin.data.options(self.key)
+ else: return []
+ def has_facet(self, facet):
+ u"""Return whether the non-inherited facet exists."""
+ return facet in self.facets()
+ def remove_facet(self, facet):
+ u"""Remove a facet from the element."""
+ if self.has_facet(facet):
+ self.origin.data.remove_option(self.key, facet)
+ self.origin.modified = True
+ def ancestry(self):
+ u"""Return a list of the element's inheritance lineage."""
+ if self.has_facet(u"inherit"):
+ ancestry = self.getlist(u"inherit")
+ for parent in ancestry[:]:
+ ancestors = self.universe.contents[parent].ancestry()
+ for ancestor in ancestors:
+ if ancestor not in ancestry: ancestry.append(ancestor)
+ return ancestry
+ else: return []
+ def get(self, facet, default=None):
+ u"""Retrieve values."""
+ if default is None: default = u""
+ if self.origin.data.has_option(self.key, facet):
+ raw_data = self.origin.data.get(self.key, facet)
+ if type(raw_data) == str: return unicode(raw_data, "utf-8")
+ else: return raw_data
+ elif self.has_facet(u"inherit"):
+ for ancestor in self.ancestry():
+ if self.universe.contents[ancestor].has_facet(facet):
+ return self.universe.contents[ancestor].get(facet)
+ else: return default
+ def getboolean(self, facet, default=None):
+ u"""Retrieve values as boolean type."""
+ if default is None: default=False
+ if self.origin.data.has_option(self.key, facet):
+ return self.origin.data.getboolean(self.key, facet)
+ elif self.has_facet(u"inherit"):
+ for ancestor in self.ancestry():
+ if self.universe.contents[ancestor].has_facet(facet):
+ return self.universe.contents[ancestor].getboolean(facet)
+ else: return default
+ def getint(self, facet, default=None):
+ u"""Return values as int/long type."""
+ if default is None: default = 0
+ if self.origin.data.has_option(self.key, facet):
+ return self.origin.data.getint(self.key, facet)
+ elif self.has_facet(u"inherit"):
+ for ancestor in self.ancestry():
+ if self.universe.contents[ancestor].has_facet(facet):
+ return self.universe.contents[ancestor].getint(facet)
+ else: return default
+ def getfloat(self, facet, default=None):
+ u"""Return values as float type."""
+ if default is None: default = 0.0
+ if self.origin.data.has_option(self.key, facet):
+ return self.origin.data.getfloat(self.key, facet)
+ elif self.has_facet(u"inherit"):
+ for ancestor in self.ancestry():
+ if self.universe.contents[ancestor].has_facet(facet):
+ return self.universe.contents[ancestor].getfloat(facet)
+ else: return default
+ def getlist(self, facet, default=None):
+ u"""Return values as list type."""
+ if default is None: default = []
+ value = self.get(facet)
+ if value: return makelist(value)
+ else: return default
+ def getdict(self, facet, default=None):
+ u"""Return values as dict type."""
+ if default is None: default = {}
+ value = self.get(facet)
+ if value: return makedict(value)
+ else: return default
+ def set(self, facet, value):
+ u"""Set values."""
+ if not self.has_facet(facet) or not self.get(facet) == value:
+ if type(value) is long: value = unicode(value)
+ elif not type(value) is unicode: value = repr(value)
+ self.origin.data.set(self.key, facet, value)
+ self.origin.modified = True
+ def append(self, facet, value):
+ u"""Append value tp a list."""
+ if type(value) is long: value = unicode(value)
+ elif not type(value) is unicode: value = repr(value)
+ newlist = self.getlist(facet)
+ newlist.append(value)
+ self.set(facet, newlist)
+
+ def new_event(self, action, when=None):
+ u"""Create, attach and enqueue an event element."""
+
+ # if when isn't specified, that means now
+ if not when: when = self.universe.get_time()
+
+ # events are elements themselves
+ event = Element(u"event:" + self.key + u":" + counter)
+
+ def send(
+ self,
+ message,
+ eol=u"$(eol)",
+ raw=False,
+ flush=False,
+ add_prompt=True,
+ just_prompt=False
+ ):
+ u"""Convenience method to pass messages to an owner."""
+ if self.owner:
+ self.owner.send(message, eol, raw, flush, add_prompt, just_prompt)
+
+ def can_run(self, command):
+ u"""Check if the user can run this command object."""
+
+ # has to be in the commands category
+ if command not in self.universe.categories[u"command"].values():
+ result = False
+
+ # avatars of administrators can run any command
+ elif self.owner and self.owner.account.getboolean(u"administrator"):
+ result = True
+
+ # everyone can run non-administrative commands
+ elif not command.getboolean(u"administrative"):
+ result = True
+
+ # otherwise the command cannot be run by this actor
+ else:
+ result = False
+
+ # pass back the result
+ return result
+
+ def update_location(self):
+ u"""Make sure the location's contents contain this element."""
+ location = self.get(u"location")
+ if location in self.universe.contents:
+ self.universe.contents[location].contents[self.key] = self
+ def clean_contents(self):
+ u"""Make sure the element's contents aren't bogus."""
+ for element in self.contents.values():
+ if element.get(u"location") != self.key:
+ del self.contents[element.key]
+ def go_to(self, location):
+ u"""Relocate the element to a specific location."""
+ current = self.get(u"location")
+ if current and self.key in self.universe.contents[current].contents:
+ del universe.contents[current].contents[self.key]
+ if location in self.universe.contents: self.set(u"location", location)
+ self.universe.contents[location].contents[self.key] = self
+ self.look_at(location)
+ def go_home(self):
+ u"""Relocate the element to its default location."""
+ self.go_to(self.get(u"default_location"))
+ self.echo_to_location(
+ u"You suddenly realize that " + self.get(u"name") + u" is here."
+ )
+ def move_direction(self, direction):
+ u"""Relocate the element in a specified direction."""
+ self.echo_to_location(
+ self.get(
+ u"name"
+ ) + u" exits " + self.universe.categories[
+ u"internal"
+ ][
+ u"directions"
+ ].getdict(
+ direction
+ )[
+ u"exit"
+ ] + u"."
+ )
+ self.send(
+ u"You exit " + self.universe.categories[
+ u"internal"
+ ][
+ u"directions"
+ ].getdict(
+ direction
+ )[
+ u"exit"
+ ] + u".",
+ add_prompt=False
+ )
+ self.go_to(
+ self.universe.contents[self.get(u"location")].link_neighbor(direction)
+ )
+ self.echo_to_location(
+ self.get(
+ u"name"
+ ) + u" arrives from " + self.universe.categories[
+ u"internal"
+ ][
+ u"directions"
+ ].getdict(
+ direction
+ )[
+ u"enter"
+ ] + u"."
+ )
+ def look_at(self, key):
+ u"""Show an element to another element."""
+ if self.owner:
+ element = self.universe.contents[key]
+ message = u""
+ name = element.get(u"name")
+ if name: message += u"$(cyn)" + name + u"$(nrm)$(eol)"
+ description = element.get(u"description")
+ if description: message += description + u"$(eol)"
+ portal_list = element.portals().keys()
+ if portal_list:
+ portal_list.sort()
+ message += u"$(cyn)[ Exits: " + u", ".join(
+ portal_list
+ ) + u" ]$(nrm)$(eol)"
+ for element in self.universe.contents[
+ self.get(u"location")
+ ].contents.values():
+ if element.getboolean(u"is_actor") and element is not self:
+ message += u"$(yel)" + element.get(
+ u"name"
+ ) + u" is here.$(nrm)$(eol)"
+ elif element is not self:
+ message += u"$(grn)" + element.get(
+ u"impression"
+ ) + u"$(nrm)$(eol)"
+ self.send(message)
+ def portals(self):
+ u"""Map the portal directions for a room to neighbors."""
+ import re
+ portals = {}
+ if re.match(u"""^location:-?\d+,-?\d+,-?\d+$""", self.key):
+ coordinates = [(int(x)) for x in self.key.split(u":")[1].split(u",")]
+ directions = self.universe.categories[u"internal"][u"directions"]
+ offsets = dict(
+ [
+ (
+ x, directions.getdict(x)[u"vector"]
+ ) for x in directions.facets()
+ ]
+ )
+ for portal in self.getlist(u"gridlinks"):
+ adjacent = map(lambda c,o: c+o, coordinates, offsets[portal])
+ neighbor = u"location:" + u",".join(
+ [(unicode(x)) for x in adjacent]
+ )
+ if neighbor in self.universe.contents: portals[portal] = neighbor
+ for facet in self.facets():
+ if facet.startswith(u"link_"):
+ neighbor = self.get(facet)
+ if neighbor in self.universe.contents:
+ portal = facet.split(u"_")[1]
+ portals[portal] = neighbor
+ return portals
+ def link_neighbor(self, direction):
+ u"""Return the element linked in a given direction."""
+ portals = self.portals()
+ if direction in portals: return portals[direction]
+ def echo_to_location(self, message):
+ u"""Show a message to other elements in the current location."""
+ for element in self.universe.contents[
+ self.get(u"location")
+ ].contents.values():
+ if element is not self: element.send(message)
class DataFile:
- """A file containing universe elements."""
- def __init__(self, filename, universe):
- self.filename = filename
- self.universe = universe
- self.load()
- def load(self):
- """Read a file and create elements accordingly."""
- self.modified = False
- self.data = RawConfigParser()
- if access(self.filename, R_OK): self.data.read(self.filename)
- if not hasattr(self.universe, "files"): self.universe.files = {}
- self.universe.files[self.filename] = self
- if self.data.has_option("__control__", "include_files"):
- includes = makelist(self.data.get("__control__", "include_files"))
- else: includes = []
- if self.data.has_option("__control__", "default_files"):
- origins = makedict(self.data.get("__control__", "default_files"))
- for key in origins.keys():
- if not isabs(origins[key]):
- origins[key] = path_join(dirname(self.filename), origins[key])
- if not origins[key] in includes: includes.append(origins[key])
- self.universe.default_origins[key] = origins[key]
- if not key in self.universe.categories:
- self.universe.categories[key] = {}
- if self.data.has_option("__control__", "private_files"):
- for item in makelist(self.data.get("__control__", "private_files")):
- if not item in includes: includes.append(item)
- if not item in self.universe.private_files:
- if not isabs(item):
- item = path_join(dirname(self.filename), item)
- self.universe.private_files.append(item)
- for section in self.data.sections():
- if section != "__control__":
- Element(section, self.universe, self.filename)
- for include_file in includes:
- if not isabs(include_file):
- include_file = path_join(dirname(self.filename), include_file)
- if include_file not in self.universe.files or not self.universe.files[include_file].is_writeable():
- DataFile(include_file, self.universe)
- def save(self):
- """Write the data, if necessary."""
-
- # when modified, writeable and has content or the file exists
- if self.modified and self.is_writeable() and ( self.data.sections() or exists(self.filename) ):
-
- # make parent directories if necessary
- if not exists(dirname(self.filename)):
- makedirs(dirname(self.filename))
-
- # backup the file
- if self.data.has_option("__control__", "backup_count"):
- max_count = self.data.has_option("__control__", "backup_count")
- else: max_count = universe.categories["internal"]["limits"].getint("default_backup_count")
- if exists(self.filename) and max_count:
- backups = []
- for candidate in listdir(dirname(self.filename)):
- if match(basename(self.filename) + """\.\d+$""", candidate):
- backups.append(int(candidate.split(".")[-1]))
- backups.sort()
- backups.reverse()
- for old_backup in backups:
- if old_backup >= max_count-1:
- remove(self.filename+"."+str(old_backup))
- elif not exists(self.filename+"."+str(old_backup+1)):
- rename(self.filename+"."+str(old_backup), self.filename+"."+str(old_backup+1))
- if not exists(self.filename+".0"):
- rename(self.filename, self.filename+".0")
-
- # our data file
- file_descriptor = file(self.filename, "w")
-
- # if it's marked private, chmod it appropriately
- if self.filename in self.universe.private_files and oct(S_IMODE(stat(self.filename)[ST_MODE])) != 0600:
- chmod(self.filename, 0600)
-
- # write it back sorted, instead of using ConfigParser
- sections = self.data.sections()
- sections.sort()
- for section in sections:
- file_descriptor.write("[" + section + "]\n")
- options = self.data.options(section)
- options.sort()
- for option in options:
- file_descriptor.write(option + " = " + self.data.get(section, option) + "\n")
- file_descriptor.write("\n")
-
- # flush and close the file
- file_descriptor.flush()
- file_descriptor.close()
-
- # unset the modified flag
- self.modified = False
- def is_writeable(self):
- """Returns True if the __control__ read_only is False."""
- return not self.data.has_option("__control__", "read_only") or not self.data.getboolean("__control__", "read_only")
+ u"""A file containing universe elements."""
+ def __init__(self, filename, universe):
+ self.filename = filename
+ self.universe = universe
+ self.load()
+ def load(self):
+ u"""Read a file and create elements accordingly."""
+ import ConfigParser, os, os.path
+ self.data = ConfigParser.RawConfigParser()
+ self.modified = False
+ if os.access(self.filename, os.R_OK): self.data.read(self.filename)
+ if not hasattr(self.universe, u"files"): self.universe.files = {}
+ self.universe.files[self.filename] = self
+ if self.data.has_option(u"__control__", u"include_files"):
+ includes = makelist(self.data.get(u"__control__", u"include_files"))
+ else: includes = []
+ if self.data.has_option(u"__control__", u"default_files"):
+ origins = makedict(self.data.get(u"__control__", u"default_files"))
+ for key in origins.keys():
+ if not os.path.isabs(origins[key]):
+ origins[key] = os.path.join(
+ os.path.dirname(self.filename), origins[key]
+ )
+ if not origins[key] in includes: includes.append(origins[key])
+ self.universe.default_origins[key] = origins[key]
+ if not key in self.universe.categories:
+ self.universe.categories[key] = {}
+ if self.data.has_option(u"__control__", u"private_files"):
+ for item in makelist(self.data.get(u"__control__", u"private_files")):
+ if not item in includes: includes.append(item)
+ if not item in self.universe.private_files:
+ if not os.path.isabs(item):
+ item = os.path.join(os.path.dirname(self.filename), item)
+ self.universe.private_files.append(item)
+ for section in self.data.sections():
+ if section != u"__control__":
+ Element(section, self.universe, self.filename)
+ for include_file in includes:
+ if not os.path.isabs(include_file):
+ include_file = os.path.join(
+ os.path.dirname(self.filename), include_file
+ )
+ if include_file not in self.universe.files or not self.universe.files[
+ include_file
+ ].is_writeable():
+ DataFile(include_file, self.universe)
+ def save(self):
+ u"""Write the data, if necessary."""
+ import codecs, os, os.path, re, stat
+
+ # when modified, writeable and has content or the file exists
+ if self.modified and self.is_writeable() and (
+ self.data.sections() or os.path.exists(self.filename)
+ ):
+
+ # make parent directories if necessary
+ if not os.path.exists(os.path.dirname(self.filename)):
+ os.makedirs(os.path.dirname(self.filename))
+
+ # backup the file
+ if self.data.has_option(u"__control__", u"backup_count"):
+ max_count = self.data.has_option(u"__control__", u"backup_count")
+ else:
+ max_count = universe.categories[u"internal"][u"limits"].getint(
+ u"default_backup_count"
+ )
+ if os.path.exists(self.filename) and max_count:
+ backups = []
+ for candidate in os.listdir(os.path.dirname(self.filename)):
+ if re.match(
+ os.path.basename(self.filename) + u"""\.\d+$""", candidate
+ ):
+ backups.append(int(candidate.split(u".")[-1]))
+ backups.sort()
+ backups.reverse()
+ for old_backup in backups:
+ if old_backup >= max_count-1:
+ os.remove(self.filename+u"."+unicode(old_backup))
+ elif not os.path.exists(
+ self.filename+u"."+unicode(old_backup+1)
+ ):
+ os.rename(
+ self.filename + u"."+unicode(old_backup),
+ self.filename + u"."+unicode( old_backup + 1 )
+ )
+ if not os.path.exists(self.filename+u".0"):
+ os.rename( self.filename, self.filename + u".0" )
+
+ # our data file
+ file_descriptor = codecs.open(self.filename, u"w", u"utf-8")
+
+ # if it's marked private, chmod it appropriately
+ if self.filename in self.universe.private_files and oct(
+ stat.S_IMODE( os.stat(self.filename)[stat.ST_MODE] )
+ ) != 0600:
+ os.chmod(self.filename, 0600)
+
+ # write it back sorted, instead of using ConfigParser
+ sections = self.data.sections()
+ sections.sort()
+ for section in sections:
+ file_descriptor.write(u"[" + section + u"]\n")
+ options = self.data.options(section)
+ options.sort()
+ for option in options:
+ file_descriptor.write(
+ option + u" = " + self.data.get(section, option) + u"\n"
+ )
+ file_descriptor.write(u"\n")
+
+ # flush and close the file
+ file_descriptor.flush()
+ file_descriptor.close()
+
+ # unset the modified flag
+ self.modified = False
+ def is_writeable(self):
+ u"""Returns True if the __control__ read_only is False."""
+ return not self.data.has_option(
+ u"__control__", u"read_only"
+ ) or not self.data.getboolean(
+ u"__control__", u"read_only"
+ )
class Universe:
- """The universe."""
-
- def __init__(self, filename="", load=False):
- """Initialize the universe."""
- self.categories = {}
- self.contents = {}
- self.default_origins = {}
- self.loglines = []
- self.pending_events_long = {}
- self.pending_events_short = {}
- self.private_files = []
- self.reload_flag = False
- self.startdir = getcwd()
- self.terminate_flag = False
- self.userlist = []
- if not filename:
- possible_filenames = [
- ".mudpyrc",
- ".mudpy/mudpyrc",
- ".mudpy/mudpy.conf",
- "mudpy.conf",
- "etc/mudpy.conf",
- "/usr/local/mudpy/mudpy.conf",
- "/usr/local/mudpy/etc/mudpy.conf",
- "/etc/mudpy/mudpy.conf",
- "/etc/mudpy.conf"
- ]
- for filename in possible_filenames:
- if access(filename, R_OK): break
- if not isabs(filename):
- filename = path_join(self.startdir, filename)
- self.filename = filename
- if load: self.load()
-
- def load(self):
- """Load universe data from persistent storage."""
-
- # the files dict must exist and filename needs to be read-only
- if not hasattr(self, "files") or not ( self.filename in self.files and self.files[self.filename].is_writeable() ):
-
- # clear out all read-only files
- if hasattr(self, "files"):
- for data_filename in self.files.keys():
- if not self.files[data_filename].is_writeable():
- del self.files[data_filename]
-
- # start loading from the initial file
- DataFile(self.filename, self)
-
- # make a list of inactive avatars
- inactive_avatars = []
- for account in self.categories["account"].values():
- inactive_avatars += [ (self.contents[x]) for x in account.getlist("avatars") ]
- for user in self.userlist:
- if user.avatar in inactive_avatars:
- inactive_avatars.remove(user.avatar)
-
- # go through all elements to clear out inactive avatar locations
- for element in self.contents.values():
- location = element.get("location")
- if element in inactive_avatars and location:
- if location in self.contents and element.key in self.contents[location].contents:
- del self.contents[location].contents[element.key]
- element.set("default_location", location)
- element.remove_facet("location")
-
- # another pass to straighten out all the element contents
- for element in self.contents.values():
- element.update_location()
- element.clean_contents()
-
- def new(self):
- """Create a new, empty Universe (the Big Bang)."""
- new_universe = Universe()
- for attribute in vars(self).keys():
- exec("new_universe." + attribute + " = self." + attribute)
- new_universe.reload_flag = False
- del self
- return new_universe
-
- def save(self):
- """Save the universe to persistent storage."""
- for key in self.files: self.files[key].save()
-
- def initialize_server_socket(self):
- """Create and open the listening socket."""
-
- # create a new ipv4 stream-type socket object
- self.listening_socket = socket(AF_INET, SOCK_STREAM)
-
- # set the socket options to allow existing open ones to be
- # reused (fixes a bug where the server can't bind for a minute
- # when restarting on linux systems)
- self.listening_socket.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)
-
- # bind the socket to to our desired server ipa and port
- host = self.categories["internal"]["network"].get("host")
- port = self.categories["internal"]["network"].getint("port")
- self.listening_socket.bind((host, port))
-
- # disable blocking so we can proceed whether or not we can
- # send/receive
- self.listening_socket.setblocking(0)
-
- # start listening on the socket
- self.listening_socket.listen(1)
-
- # note that we're now ready for user connections
- if not host: host = "0.0.0.0"
- log("Listening for Telnet connections on: " + host + ":" + str(port))
-
- def get_time(self):
- """Convenience method to get the elapsed time counter."""
- return self.categories["internal"]["counters"].getint("elapsed")
+ u"""The universe."""
+
+ def __init__(self, filename=u"", load=False):
+ u"""Initialize the universe."""
+ import os, os.path
+ self.categories = {}
+ self.contents = {}
+ self.default_origins = {}
+ self.loglines = []
+ self.pending_events_long = {}
+ self.pending_events_short = {}
+ self.private_files = []
+ self.reload_flag = False
+ self.startdir = os.getcwd()
+ self.terminate_flag = False
+ self.userlist = []
+ if not filename:
+ possible_filenames = [
+ u".mudpyrc",
+ u".mudpy/mudpyrc",
+ u".mudpy/mudpy.conf",
+ u"mudpy.conf",
+ u"etc/mudpy.conf",
+ u"/usr/local/mudpy/mudpy.conf",
+ u"/usr/local/mudpy/etc/mudpy.conf",
+ u"/etc/mudpy/mudpy.conf",
+ u"/etc/mudpy.conf"
+ ]
+ for filename in possible_filenames:
+ if os.access(filename, os.R_OK): break
+ if not os.path.isabs(filename):
+ filename = os.path.join(self.startdir, filename)
+ self.filename = filename
+ if load: self.load()
+
+ def load(self):
+ u"""Load universe data from persistent storage."""
+
+ # the files dict must exist and filename needs to be read-only
+ if not hasattr(
+ self, u"files"
+ ) or not (
+ self.filename in self.files and self.files[
+ self.filename
+ ].is_writeable()
+ ):
+
+ # clear out all read-only files
+ if hasattr(self, u"files"):
+ for data_filename in self.files.keys():
+ if not self.files[data_filename].is_writeable():
+ del self.files[data_filename]
+
+ # start loading from the initial file
+ DataFile(self.filename, self)
+
+ # make a list of inactive avatars
+ inactive_avatars = []
+ for account in self.categories[u"account"].values():
+ inactive_avatars += [
+ (self.contents[x]) for x in account.getlist(u"avatars")
+ ]
+ for user in self.userlist:
+ if user.avatar in inactive_avatars:
+ inactive_avatars.remove(user.avatar)
+
+ # go through all elements to clear out inactive avatar locations
+ for element in self.contents.values():
+ location = element.get(u"location")
+ if element in inactive_avatars and location:
+ if location in self.contents and element.key in self.contents[
+ location
+ ].contents:
+ del self.contents[location].contents[element.key]
+ element.set(u"default_location", location)
+ element.remove_facet(u"location")
+
+ # another pass to straighten out all the element contents
+ for element in self.contents.values():
+ element.update_location()
+ element.clean_contents()
+
+ def new(self):
+ u"""Create a new, empty Universe (the Big Bang)."""
+ new_universe = Universe()
+ for attribute in vars(self).keys():
+ exec(u"new_universe." + attribute + u" = self." + attribute)
+ new_universe.reload_flag = False
+ del self
+ return new_universe
+
+ def save(self):
+ u"""Save the universe to persistent storage."""
+ for key in self.files: self.files[key].save()
+
+ def initialize_server_socket(self):
+ u"""Create and open the listening socket."""
+ import socket
+
+ # create a new ipv4 stream-type socket object
+ self.listening_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+
+ # set the socket options to allow existing open ones to be
+ # reused (fixes a bug where the server can't bind for a minute
+ # when restarting on linux systems)
+ self.listening_socket.setsockopt(
+ socket.SOL_SOCKET, socket.SO_REUSEADDR, 1
+ )
+
+ # bind the socket to to our desired server ipa and port
+ host = self.categories[u"internal"][u"network"].get(u"host")
+ port = self.categories[u"internal"][u"network"].getint(u"port")
+ self.listening_socket.bind((host, port))
+
+ # disable blocking so we can proceed whether or not we can
+ # send/receive
+ self.listening_socket.setblocking(0)
+
+ # start listening on the socket
+ self.listening_socket.listen(1)
+
+ # note that we're now ready for user connections
+ if not host: host = u"0.0.0.0"
+ log(
+ u"Listening for Telnet connections on: " + host + u":" + unicode(port)
+ )
+
+ def get_time(self):
+ u"""Convenience method to get the elapsed time counter."""
+ return self.categories[u"internal"][u"counters"].getint(u"elapsed")
class User:
- """This is a connected user."""
-
- def __init__(self):
- """Default values for the in-memory user variables."""
- self.account = None
- self.address = ""
- self.authenticated = False
- self.avatar = None
- self.connection = None
- self.echoing = True
- self.error = ""
- self.input_queue = []
- self.last_address = ""
- self.last_input = universe.get_time()
- self.menu_choices = {}
- self.menu_seen = False
- self.negotiation_pause = 0
- self.output_queue = []
- self.partial_input = ""
- self.password_tries = 0
- self.received_newline = True
- self.state = "initial"
- self.terminator = IAC+GA
-
- def quit(self):
- """Log, close the connection and remove."""
- if self.account: name = self.account.get("name")
- else: name = ""
- if name: message = "User " + name
- else: message = "An unnamed user"
- message += " logged out."
- log(message, 2)
- self.deactivate_avatar()
- self.connection.close()
- self.remove()
-
- def check_idle(self):
- """Warn or disconnect idle users as appropriate."""
- idletime = universe.get_time() - self.last_input
- linkdead_dict = universe.categories["internal"]["time"].getdict("linkdead")
- if self.state in linkdead_dict: linkdead_state = self.state
- else: linkdead_state = "default"
- if idletime > linkdead_dict[linkdead_state]:
- self.send("$(eol)$(red)You've done nothing for far too long... goodbye!$(nrm)$(eol)", flush=True, add_prompt=False)
- logline = "Disconnecting "
- if self.account and self.account.get("name"): logline += self.account.get("name")
- else: logline += "an unknown user"
- logline += " after idling too long in a " + self.state + " state."
- log(logline, 2)
- self.state = "disconnecting"
- self.menu_seen = False
- idle_dict = universe.categories["internal"]["time"].getdict("idle")
- if self.state in idle_dict: idle_state = self.state
- else: idle_state = "default"
- if idletime == idle_dict[idle_state]:
- self.send("$(eol)$(red)If you continue to be unproductive, you'll be shown the door...$(nrm)$(eol)")
-
- def reload(self):
- """Save, load a new user and relocate the connection."""
-
- # get out of the list
- self.remove()
-
- # create a new user object
- new_user = User()
-
- # set everything equivalent
- for attribute in vars(self).keys():
- exec("new_user." + attribute + " = self." + attribute)
-
- # the avatar needs a new owner
- if new_user.avatar: new_user.avatar.owner = new_user
-
- # add it to the list
- universe.userlist.append(new_user)
-
- # get rid of the old user object
- del(self)
-
- def replace_old_connections(self):
- """Disconnect active users with the same name."""
-
- # the default return value
- return_value = False
-
- # iterate over each user in the list
- for old_user in universe.userlist:
-
- # the name is the same but it's not us
- if hasattr(old_user, "account") and old_user.account and old_user.account.get("name") == self.account.get("name") and old_user is not self:
-
- # make a note of it
- log("User " + self.account.get("name") + " reconnected--closing old connection to " + old_user.address + ".", 2)
- old_user.send("$(eol)$(red)New connection from " + self.address + ". Terminating old connection...$(nrm)$(eol)", flush=True, add_prompt=False)
-
- # close the old connection
- old_user.connection.close()
-
- # replace the old connection with this one
- old_user.send("$(eol)$(red)Taking over old connection from " + old_user.address + ".$(nrm)")
- old_user.connection = self.connection
- old_user.last_address = old_user.address
- old_user.address = self.address
-
- # may need to tell the new connection to echo
- if old_user.echoing:
- old_user.send(get_echo_sequence(old_user.state, self.echoing), raw=True)
-
- # take this one out of the list and delete
- self.remove()
- del(self)
- return_value = True
- break
-
- # true if an old connection was replaced, false if not
- return return_value
-
- def authenticate(self):
- """Flag the user as authenticated and disconnect duplicates."""
- if not self.state is "authenticated":
- log("User " + self.account.get("name") + " logged in.", 2)
- self.authenticated = True
- if self.account.subkey in universe.categories["internal"]["limits"].getlist("default_admins"):
- self.account.set("administrator", "True")
-
- def show_menu(self):
- """Send the user their current menu."""
- if not self.menu_seen:
- self.menu_choices = get_menu_choices(self)
- self.send(get_menu(self.state, self.error, self.echoing, self.terminator, self.menu_choices), "")
- self.menu_seen = True
- self.error = False
- self.adjust_echoing()
-
- def adjust_echoing(self):
- """Adjust echoing to match state menu requirements."""
- if self.echoing and not menu_echo_on(self.state): self.echoing = False
- elif not self.echoing and menu_echo_on(self.state): self.echoing = True
-
- def remove(self):
- """Remove a user from the list of connected users."""
- universe.userlist.remove(self)
-
- def send(self, output, eol="$(eol)", raw=False, flush=False, add_prompt=True, just_prompt=False):
- """Send arbitrary text to a connected user."""
-
- # unless raw mode is on, clean it up all nice and pretty
- if not raw:
-
- # strip extra $(eol) off if present
- while output.startswith("$(eol)"): output = output[6:]
- while output.endswith("$(eol)"): output = output[:-6]
- extra_lines = output.find("$(eol)$(eol)$(eol)")
- while extra_lines > -1:
- output = output[:extra_lines] + output[extra_lines+6:]
- extra_lines = output.find("$(eol)$(eol)$(eol)")
-
- # we'll take out GA or EOR and add them back on the end
- if output.endswith(IAC+GA) or output.endswith(IAC+EOR):
- terminate = True
- output = output[:-2]
- else: terminate = False
-
- # start with a newline, append the message, then end
- # with the optional eol string passed to this function
- # and the ansi escape to return to normal text
- if not just_prompt:
- if not self.output_queue or not self.output_queue[-1].endswith("\r\n"):
- output = "$(eol)$(eol)" + output
- elif not self.output_queue[-1].endswith("\r\n"+chr(27)+"[0m"+"\r\n") and not self.output_queue[-1].endswith("\r\n\r\n"):
- output = "$(eol)" + output
- output += eol + chr(27) + "[0m"
-
- # tack on a prompt if active
- if self.state == "active":
- if not just_prompt: output += "$(eol)"
- if add_prompt:
- output += "> "
- mode = self.avatar.get("mode")
- if mode: output += "(" + mode + ") "
-
- # find and replace macros in the output
- output = replace_macros(self, output)
-
- # wrap the text at 79 characters
- output = wrap_ansi_text(output, 79)
-
- # tack the terminator back on
- if terminate: output += self.terminator
-
- # drop the output into the user's output queue
- self.output_queue.append(output)
-
- # if this is urgent, flush all pending output
- if flush: self.flush()
-
- def pulse(self):
- """All the things to do to the user per increment."""
-
- # if the world is terminating, disconnect
- if universe.terminate_flag:
- self.state = "disconnecting"
- self.menu_seen = False
-
- # check for an idle connection and act appropriately
- else: self.check_idle()
-
- # if output is paused, decrement the counter
- if self.state == "initial":
- if self.negotiation_pause: self.negotiation_pause -= 1
- else: self.state = "entering_account_name"
-
- # show the user a menu as needed
- elif not self.state == "active": self.show_menu()
-
- # flush any pending output in teh queue
- self.flush()
-
- # disconnect users with the appropriate state
- if self.state == "disconnecting": self.quit()
-
- # check for input and add it to the queue
- self.enqueue_input()
-
- # there is input waiting in the queue
- if self.input_queue:
- handle_user_input(self)
-
- def flush(self):
- """Try to send the last item in the queue and remove it."""
- if self.output_queue:
- if self.received_newline:
- self.received_newline = False
- if self.output_queue[0].startswith("\r\n"):
- self.output_queue[0] = self.output_queue[0][2:]
- try:
- self.connection.send(self.output_queue[0])
- del self.output_queue[0]
- except:
- pass
-
-
- def enqueue_input(self):
- """Process and enqueue any new input."""
-
- # check for some input
- try:
- input_data = self.connection.recv(1024)
- except:
- input_data = ""
-
- # we got something
- if input_data:
-
- # tack this on to any previous partial
- self.partial_input += input_data
-
- # reply to and remove any IAC negotiation codes
- self.negotiate_telnet_options()
-
- # separate multiple input lines
- new_input_lines = self.partial_input.split("\n")
-
- # if input doesn't end in a newline, replace the
- # held partial input with the last line of it
- if not self.partial_input.endswith("\n"):
- self.partial_input = new_input_lines.pop()
-
- # otherwise, chop off the extra null input and reset
- # the held partial input
- else:
- new_input_lines.pop()
- self.partial_input = ""
-
- # iterate over the remaining lines
- for line in new_input_lines:
-
- # remove a trailing carriage return
- if line.endswith("\r"): line = line.rstrip("\r")
-
- # log non-printable characters remaining
- removed = filter(lambda x: (x < " " or x > "~"), line)
- if removed:
- logline = "Non-printable characters from "
- if self.account and self.account.get("name"): logline += self.account.get("name") + ": "
- else: logline += "unknown user: "
- logline += repr(removed)
- log(logline, 4)
-
- # filter out non-printables
- line = filter(lambda x: " " <= x <= "~", line)
-
- # strip off extra whitespace
- line = line.strip()
-
- # put on the end of the queue
- self.input_queue.append(line)
-
- def negotiate_telnet_options(self):
- """Reply to/remove partial_input telnet negotiation options."""
-
- # start at the begining of the input
- position = 0
-
- # make a local copy to play with
- text = self.partial_input
-
- # as long as we haven't checked it all
- while position < len(text):
-
- # jump to the first IAC you find
- position = text.find(IAC, position)
-
- # if there wasn't an IAC in the input, skip to the end
- if position < 0: position = len(text)
-
- # replace a double (literal) IAC if there's an LF later
- elif len(text) > position+1 and text[position+1] == IAC:
- if text.find("\n", position) > 0: text = text.replace(IAC+IAC, IAC)
- else: position += 1
- position += 1
-
- # this must be an option negotiation
- elif len(text) > position+2 and text[position+1] in (DO, DONT, WILL, WONT):
-
- negotiation = text[position+1:position+3]
-
- # if we turned echo off, ignore the confirmation
- if not self.echoing and negotiation == DO+ECHO: pass
-
- # allow LINEMODE
- elif negotiation == WILL+LINEMODE: self.send(IAC+DO+LINEMODE, raw=True)
-
- # if the client likes EOR instead of GA, make a note of it
- elif negotiation == DO+EOR: self.terminator = IAC+EOR
- elif negotiation == DONT+EOR and self.terminator == IAC+EOR:
- self.terminator = IAC+GA
-
- # if the client doesn't want GA, oblige
- elif negotiation == DO+SGA and self.terminator == IAC+GA:
- self.terminator = ""
- self.send(IAC+WILL+SGA, raw=True)
-
- # we don't want to allow anything else
- elif text[position+1] == DO: self.send(IAC+WONT+text[position+2], raw=True)
- elif text[position+1] == WILL: self.send(IAC+DONT+text[position+2], raw=True)
-
- # strip the negotiation from the input
- text = text.replace(text[position:position+3], "")
-
- # get rid of IAC SB .* IAC SE
- elif len(text) > position+4 and text[position:position+2] == IAC+SB:
- end_subnegotiation = text.find(IAC+SE, position)
- if end_subnegotiation > 0: text = text[:position] + text[end_subnegotiation+2:]
- else: position += 1
-
- # otherwise, strip out a two-byte IAC command
- elif len(text) > position+2: text = text.replace(text[position:position+2], "")
-
- # and this means we got the begining of an IAC
- else: position += 1
-
- # replace the input with our cleaned-up text
- self.partial_input = text
-
- def new_avatar(self):
- """Instantiate a new, unconfigured avatar for this user."""
- counter = 0
- while "avatar:" + self.account.get("name") + ":" + str(counter) in universe.categories["actor"].keys(): counter += 1
- self.avatar = Element("actor:avatar:" + self.account.get("name") + ":" + str(counter), universe)
- self.avatar.append("inherit", "archetype:avatar")
- self.account.append("avatars", self.avatar.key)
-
- def delete_avatar(self, avatar):
- """Remove an avatar from the world and from the user's list."""
- if self.avatar is universe.contents[avatar]: self.avatar = None
- universe.contents[avatar].destroy()
- avatars = self.account.getlist("avatars")
- avatars.remove(avatar)
- self.account.set("avatars", avatars)
-
- def activate_avatar_by_index(self, index):
- """Enter the world with a particular indexed avatar."""
- self.avatar = universe.contents[self.account.getlist("avatars")[index]]
- self.avatar.owner = self
- self.state = "active"
- self.avatar.go_home()
-
- def deactivate_avatar(self):
- """Have the active avatar leave the world."""
- if self.avatar:
- current = self.avatar.get("location")
- if current:
- self.avatar.set("default_location", current)
- self.avatar.echo_to_location("You suddenly wonder where " + self.avatar.get("name") + " went.")
- del universe.contents[current].contents[self.avatar.key]
- self.avatar.remove_facet("location")
- self.avatar.owner = None
- self.avatar = None
-
- def destroy(self):
- """Destroy the user and associated avatars."""
- for avatar in self.account.getlist("avatars"): self.delete_avatar(avatar)
- self.account.destroy()
-
- def list_avatar_names(self):
- """List names of assigned avatars."""
- return [ universe.contents[avatar].get("name") for avatar in self.account.getlist("avatars") ]
+ u"""This is a connected user."""
+
+ def __init__(self):
+ u"""Default values for the in-memory user variables."""
+ self.account = None
+ self.address = u""
+ self.authenticated = False
+ self.avatar = None
+ self.client_displays_binary = False
+ self.client_sends_binary = False
+ self.columns = 79
+ self.connection = None
+ self.echoing = True
+ self.error = u""
+ self.input_queue = []
+ self.last_address = u""
+ self.last_input = universe.get_time()
+ self.menu_choices = {}
+ self.menu_seen = False
+ self.negotiation_pause = 0
+ self.output_queue = []
+ self.partial_input = ""
+ self.password_tries = 0
+ self.received_newline = True
+ self.state = u"initial"
+ self.terminator = telnet_proto([u"IAC",u"GA"])
+
+ def quit(self):
+ u"""Log, close the connection and remove."""
+ if self.account: name = self.account.get(u"name")
+ else: name = u""
+ if name: message = u"User " + name
+ else: message = u"An unnamed user"
+ message += u" logged out."
+ log(message, 2)
+ self.deactivate_avatar()
+ self.connection.close()
+ self.remove()
+
+ def check_idle(self):
+ u"""Warn or disconnect idle users as appropriate."""
+ idletime = universe.get_time() - self.last_input
+ linkdead_dict = universe.categories[u"internal"][u"time"].getdict(
+ u"linkdead"
+ )
+ if self.state in linkdead_dict: linkdead_state = self.state
+ else: linkdead_state = u"default"
+ if idletime > linkdead_dict[linkdead_state]:
+ self.send(
+ u"$(eol)$(red)You've done nothing for far too long... goodbye!" \
+ + u"$(nrm)$(eol)",
+ flush=True,
+ add_prompt=False
+ )
+ logline = u"Disconnecting "
+ if self.account and self.account.get(u"name"):
+ logline += self.account.get(u"name")
+ else:
+ logline += u"an unknown user"
+ logline += u" after idling too long in a " + self.state + u" state."
+ log(logline, 2)
+ self.state = u"disconnecting"
+ self.menu_seen = False
+ idle_dict = universe.categories[u"internal"][u"time"].getdict(u"idle")
+ if self.state in idle_dict: idle_state = self.state
+ else: idle_state = u"default"
+ if idletime == idle_dict[idle_state]:
+ self.send(
+ u"$(eol)$(red)If you continue to be unproductive, " \
+ + u"you'll be shown the door...$(nrm)$(eol)"
+ )
+
+ def reload(self):
+ u"""Save, load a new user and relocate the connection."""
+
+ # get out of the list
+ self.remove()
+
+ # create a new user object
+ new_user = User()
+
+ # set everything equivalent
+ for attribute in vars(self).keys():
+ exec(u"new_user." + attribute + u" = self." + attribute)
+
+ # the avatar needs a new owner
+ if new_user.avatar: new_user.avatar.owner = new_user
+
+ # add it to the list
+ universe.userlist.append(new_user)
+
+ # get rid of the old user object
+ del(self)
+
+ def replace_old_connections(self):
+ u"""Disconnect active users with the same name."""
+
+ # the default return value
+ return_value = False
+
+ # iterate over each user in the list
+ for old_user in universe.userlist:
+
+ # the name is the same but it's not us
+ if hasattr(
+ old_user, u"account"
+ ) and old_user.account and old_user.account.get(
+ u"name"
+ ) == self.account.get(
+ u"name"
+ ) and old_user is not self:
+
+ # make a note of it
+ log(
+ u"User " + self.account.get(
+ u"name"
+ ) + u" reconnected--closing old connection to " \
+ + old_user.address + u".",
+ 2
+ )
+ old_user.send(
+ u"$(eol)$(red)New connection from " + self.address \
+ + u". Terminating old connection...$(nrm)$(eol)", \
+ flush=True,
+ add_prompt=False
+ )
+
+ # close the old connection
+ old_user.connection.close()
+
+ # replace the old connection with this one
+ old_user.send(
+ u"$(eol)$(red)Taking over old connection from " \
+ + old_user.address + u".$(nrm)"
+ )
+ old_user.connection = self.connection
+ old_user.last_address = old_user.address
+ old_user.address = self.address
+ old_user.client_displays_binary = self.client_displays_binary
+ old_user.client_sends_binary = self.client_sends_binary
+
+ # may need to tell the new connection to echo
+ if old_user.echoing:
+ old_user.send(
+ get_echo_sequence(old_user.state, self.echoing), raw=True
+ )
+
+ # take this one out of the list and delete
+ self.remove()
+ del(self)
+ return_value = True
+ break
+
+ # true if an old connection was replaced, false if not
+ return return_value
+
+ def authenticate(self):
+ u"""Flag the user as authenticated and disconnect duplicates."""
+ if not self.state is u"authenticated":
+ log(u"User " + self.account.get(u"name") + u" logged in.", 2)
+ self.authenticated = True
+ if self.account.subkey in universe.categories[
+ u"internal"
+ ][
+ u"limits"
+ ].getlist(
+ u"default_admins"
+ ):
+ self.account.set(u"administrator", u"True")
+
+ def show_menu(self):
+ u"""Send the user their current menu."""
+ if not self.menu_seen:
+ self.menu_choices = get_menu_choices(self)
+ self.send(
+ get_menu(self.state, self.error, self.menu_choices),
+ u"",
+ add_terminator=True
+ )
+ self.menu_seen = True
+ self.error = False
+ self.adjust_echoing()
+
+ def adjust_echoing(self):
+ u"""Adjust echoing to match state menu requirements."""
+ if self.echoing and not menu_echo_on(self.state): self.echoing = False
+ elif not self.echoing and menu_echo_on(self.state): self.echoing = True
+
+ def remove(self):
+ u"""Remove a user from the list of connected users."""
+ universe.userlist.remove(self)
+
+ def send(
+ self,
+ output,
+ eol=u"$(eol)",
+ raw=False,
+ flush=False,
+ add_prompt=True,
+ just_prompt=False,
+ add_terminator=False
+ ):
+ u"""Send arbitrary text to a connected user."""
+
+ # unless raw mode is on, clean it up all nice and pretty
+ if not raw:
+
+ # strip extra $(eol) off if present
+ while output.startswith(u"$(eol)"): output = output[6:]
+ while output.endswith(u"$(eol)"): output = output[:-6]
+ extra_lines = output.find(u"$(eol)$(eol)$(eol)")
+ while extra_lines > -1:
+ output = output[:extra_lines] + output[extra_lines+6:]
+ extra_lines = output.find(u"$(eol)$(eol)$(eol)")
+
+ # start with a newline, append the message, then end
+ # with the optional eol string passed to this function
+ # and the ansi escape to return to normal text
+ if not just_prompt:
+ if not self.output_queue or not self.output_queue[-1].endswith(
+ "\r\n"
+ ):
+ output = u"$(eol)$(eol)" + output
+ elif not self.output_queue[-1].endswith(
+ "\r\n\x1b[0m\r\n"
+ ) and not self.output_queue[-1].endswith(
+ "\r\n\r\n"
+ ):
+ output = u"$(eol)" + output
+ output += eol + unichr(27) + u"[0m"
+
+ # tack on a prompt if active
+ if self.state == u"active":
+ if not just_prompt: output += u"$(eol)"
+ if add_prompt:
+ output += u"> "
+ mode = self.avatar.get(u"mode")
+ if mode: output += u"(" + mode + u") "
+
+ # find and replace macros in the output
+ output = replace_macros(self, output)
+
+ # wrap the text at the client's width (min 40, 0 disables)
+ if self.columns:
+ if self.columns < 40: wrap = 40
+ else: wrap = self.columns
+ output = wrap_ansi_text(output, wrap)
+
+ # if supported by the client, encode it utf-8
+ if self.client_displays_binary:
+ encoded_output = output.encode(u"utf-8")
+
+ # otherwise just send ascii
+ else:
+ encoded_output = output.encode(u"ascii", u"replace")
+
+ # inject appropriate echoing changes
+ encoded_output += get_echo_sequence(self.state, self.echoing)
+
+ # end with a terminator if requested
+ if add_terminator: encoded_output += self.terminator
+
+ # and tack it onto the queue
+ self.output_queue.append(encoded_output)
+
+ # if this is urgent, flush all pending output
+ if flush: self.flush()
+
+ # just dump raw bytes as requested
+ else:
+ self.output_queue.append(output)
+ self.flush()
+
+ def pulse(self):
+ u"""All the things to do to the user per increment."""
+
+ # if the world is terminating, disconnect
+ if universe.terminate_flag:
+ self.state = u"disconnecting"
+ self.menu_seen = False
+
+ # check for an idle connection and act appropriately
+ else: self.check_idle()
+
+ # if output is paused, decrement the counter
+ if self.state == u"initial":
+ if self.negotiation_pause: self.negotiation_pause -= 1
+ else: self.state = u"entering_account_name"
+
+ # show the user a menu as needed
+ elif not self.state == u"active": self.show_menu()
+
+ # flush any pending output in the queue
+ self.flush()
+
+ # disconnect users with the appropriate state
+ if self.state == u"disconnecting": self.quit()
+
+ # check for input and add it to the queue
+ self.enqueue_input()
+
+ # there is input waiting in the queue
+ if self.input_queue:
+ handle_user_input(self)
+
+ def flush(self):
+ u"""Try to send the last item in the queue and remove it."""
+ if self.output_queue:
+ if self.received_newline:
+ self.received_newline = False
+ if self.output_queue[0].startswith("\r\n"):
+ self.output_queue[0] = self.output_queue[0][2:]
+ try:
+ self.connection.send(self.output_queue[0])
+ del self.output_queue[0]
+ except:
+ if self.account and self.account.get(u"name"):
+ account = self.account.get(u"name")
+ else: account = u"an unknown user"
+ log(
+ u"Sending to " + account \
+ + u" raised an exception (broken pipe?)."
+ )
+ pass
+
+
+ def enqueue_input(self):
+ u"""Process and enqueue any new input."""
+ import unicodedata
+
+ # check for some input
+ try:
+ raw_input = self.connection.recv(1024)
+ except:
+ raw_input = ""
+
+ # we got something
+ if raw_input:
+
+ # tack this on to any previous partial
+ self.partial_input += raw_input
+
+ # reply to and remove any IAC negotiation codes
+ self.negotiate_telnet_options()
+
+ # separate multiple input lines
+ new_input_lines = self.partial_input.split("\n")
+
+ # if input doesn't end in a newline, replace the
+ # held partial input with the last line of it
+ if not self.partial_input.endswith("\n"):
+ self.partial_input = new_input_lines.pop()
+
+ # otherwise, chop off the extra null input and reset
+ # the held partial input
+ else:
+ new_input_lines.pop()
+ self.partial_input = ""
+
+ # iterate over the remaining lines
+ for line in new_input_lines:
+
+ # strip off extra whitespace
+ line = line.strip()
+
+ # make sure it's valid unicode (probably no longer needed)
+ try: unicode(line, u"utf-8")
+ except UnicodeDecodeError:
+ logline = u"Non-unicode data from "
+ if self.account and self.account.get(u"name"):
+ logline += self.account.get(u"name") + u": "
+ else: logline += u"unknown user: "
+ logline += repr(line)
+ log(logline, 4)
+ line = ""
+
+ # log non-printable characters remaining
+ if not hasattr(
+ self, u"client_sends_binary"
+ ) or not self.client_sends_binary:
+ asciiline = filter(lambda x: " " <= x <= "~", line)
+ if line != asciiline:
+ logline = u"Non-ASCII characters from "
+ if self.account and self.account.get(u"name"):
+ logline += self.account.get(u"name") + u": "
+ else: logline += u"unknown user: "
+ logline += repr(line)
+ log(logline, 4)
+ line = asciiline
+
+ # put on the end of the queue
+ self.input_queue.append(
+ unicodedata.normalize( u"NFKC", unicode(line, u"utf-8") )
+ )
+
+ def negotiate_telnet_options(self):
+ u"""Reply to/remove partial_input telnet negotiation options."""
+
+ # start at the begining of the input
+ position = 0
+
+ # make a local copy to play with
+ text = self.partial_input
+
+ # as long as we haven't checked it all
+ while position < len(text):
+
+ # jump to the first IAC you find
+ position = text.find(telnet_proto([u"IAC"]), position)
+
+ # if there wasn't an IAC in the input, we're done
+ if position < 0: break
+
+ # replace a double (literal) IAC if there's an LF later
+ elif len(text) > position+1 and text[position+1] == telnet_proto(
+ [u"IAC"]
+ ):
+ if text.find("\n", position) > 0:
+ text = text.replace(
+ telnet_proto([u"IAC",u"IAC"]), telnet_proto([u"IAC"])
+ )
+ else: position += 1
+ position += 1
+
+ # implement an RFC 1143 option negotiation queue here
+ elif len(text) > position+2 and text[position+1] in (
+ telnet_proto([u"DO",u"DONT",u"WILL",u"WONT"])
+ ):
+ negotiation = text[position+1:position+3]
+
+ # if we turned echo off, ignore the confirmation
+ if not self.echoing and negotiation == telnet_proto(
+ [u"DO",u"TELOPT_ECHO"]
+ ):
+ self.send(
+ telnet_proto([u"IAC",u"WILL",u"TELOPT_ECHO"]), raw=True
+ )
+
+ # BINARY mode handling for unicode support (RFC 856)
+ elif negotiation == telnet_proto([u"DO",u"TELOPT_BINARY"]):
+ self.send(
+ telnet_proto([u"IAC",u"WILL",u"TELOPT_BINARY"]), raw=True
+ )
+ self.client_displays_binary = True
+ elif negotiation == telnet_proto([u"DONT",u"TELOPT_BINARY"]):
+ self.send(
+ telnet_proto([u"IAC",u"WONT",u"TELOPT_BINARY"]), raw=True
+ )
+ self.client_displays_binary = False
+ elif negotiation == telnet_proto([u"WILL",u"TELOPT_BINARY"]):
+ self.send(
+ telnet_proto([u"IAC",u"DO",u"TELOPT_BINARY"]), raw=True
+ )
+ self.client_sends_binary = True
+ elif negotiation == telnet_proto([u"WONT",u"TELOPT_BINARY"]):
+ self.send(
+ telnet_proto([u"IAC",u"DONT",u"TELOPT_BINARY"]), raw=True
+ )
+ self.client_sends_binary = False
+
+ # allow LINEMODE (RFC 1184)
+ elif negotiation == telnet_proto([u"WILL",u"TELOPT_LINEMODE"]):
+ self.send(
+ telnet_proto([u"IAC",u"DO",u"TELOPT_LINEMODE"]), raw=True
+ )
+ elif negotiation == telnet_proto([u"WONT",u"TELOPT_LINEMODE"]):
+ self.send(
+ telnet_proto([u"IAC",u"DONT",u"TELOPT_LINEMODE"]), raw=True
+ )
+
+ # allow NAWS (RFC 1073)
+ elif negotiation == telnet_proto([u"WILL",u"TELOPT_NAWS"]):
+ self.send(
+ telnet_proto([u"IAC",u"DO",u"TELOPT_NAWS"]), raw=True
+ )
+ elif negotiation == telnet_proto([u"WONT",u"TELOPT_NAWS"]):
+ self.send(
+ telnet_proto([u"IAC",u"DONT",u"TELOPT_NAWS"]), raw=True
+ )
+
+ # if the client likes EOR (RFC 885) instead of GA, note it
+ elif negotiation == telnet_proto([u"DO",u"TELOPT_EOR"]):
+ self.send(
+ telnet_proto([u"IAC",u"WILL",u"TELOPT_EOR"]), raw=True
+ )
+ self.terminator = telnet_proto([u"IAC",u"EOR"])
+ elif negotiation == telnet_proto([u"DONT",u"TELOPT_EOR"]):
+ self.send(
+ telnet_proto([u"IAC",u"WONT",u"TELOPT_EOR"]), raw=True
+ )
+ if self.terminator == telnet_proto([u"IAC",u"EOR"]):
+ self.terminator = telnet_proto([u"IAC",u"GA"])
+
+ # if the client doesn't want GA, oblige (RFC 858)
+ elif negotiation == telnet_proto([u"DO",u"TELOPT_SGA"]):
+ self.send(telnet_proto([u"IAC",u"WILL",u"TELOPT_SGA"]),
+ raw=True)
+ if self.terminator == telnet_proto([u"IAC",u"GA"]):
+ self.terminator = ""
+
+ # we don't want to allow anything else
+ elif text[position+1] == telnet_proto([u"DO"]):
+ self.send(
+ telnet_proto([u"IAC",u"WONT"])+text[position+2], raw=True
+ )
+ elif text[position+1] == telnet_proto([u"WILL"]):
+ self.send(
+ telnet_proto([u"IAC",u"DONT"])+text[position+2], raw=True
+ )
+
+ # strip the negotiation from the input
+ text = text.replace(text[position:position+3], "")
+
+ # subnegotiation options
+ elif len(text) > position+4 and text[
+ position:position+2
+ ] == telnet_proto([u"IAC",u"SB"]):
+ if text[position+2] == telnet_proto([u"TELOPT_NAWS"]):
+ self.columns = ord(text[position+3])*256+ord(text[position+4])
+ end_subnegotiation = text.find(
+ telnet_proto([u"IAC",u"SE"]), position
+ )
+ if end_subnegotiation > 0:
+ text = text[:position] + text[end_subnegotiation+2:]
+ else: position += 1
+
+ # otherwise, strip out a two-byte IAC command
+ elif len(text) > position+2:
+ text = text.replace(text[position:position+2], "")
+
+ # and this means we got the begining of an IAC
+ else: position += 1
+
+ # replace the input with our cleaned-up text
+ self.partial_input = text
+
+ def new_avatar(self):
+ u"""Instantiate a new, unconfigured avatar for this user."""
+ counter = 0
+ while u"avatar:" + self.account.get(u"name") + u":" + unicode(
+ counter
+ ) in universe.categories[u"actor"].keys():
+ counter += 1
+ self.avatar = Element(
+ u"actor:avatar:" + self.account.get(u"name") + u":" + unicode(
+ counter
+ ),
+ universe
+ )
+ self.avatar.append(u"inherit", u"archetype:avatar")
+ self.account.append(u"avatars", self.avatar.key)
+
+ def delete_avatar(self, avatar):
+ u"""Remove an avatar from the world and from the user's list."""
+ if self.avatar is universe.contents[avatar]: self.avatar = None
+ universe.contents[avatar].destroy()
+ avatars = self.account.getlist(u"avatars")
+ avatars.remove(avatar)
+ self.account.set(u"avatars", avatars)
+
+ def activate_avatar_by_index(self, index):
+ u"""Enter the world with a particular indexed avatar."""
+ self.avatar = universe.contents[self.account.getlist(u"avatars")[index]]
+ self.avatar.owner = self
+ self.state = u"active"
+ self.avatar.go_home()
+
+ def deactivate_avatar(self):
+ u"""Have the active avatar leave the world."""
+ if self.avatar:
+ current = self.avatar.get(u"location")
+ if current:
+ self.avatar.set(u"default_location", current)
+ self.avatar.echo_to_location(
+ u"You suddenly wonder where " + self.avatar.get(
+ u"name"
+ ) + u" went."
+ )
+ del universe.contents[current].contents[self.avatar.key]
+ self.avatar.remove_facet(u"location")
+ self.avatar.owner = None
+ self.avatar = None
+
+ def destroy(self):
+ u"""Destroy the user and associated avatars."""
+ for avatar in self.account.getlist(u"avatars"):
+ self.delete_avatar(avatar)
+ self.account.destroy()
+
+ def list_avatar_names(self):
+ u"""List names of assigned avatars."""
+ return [
+ universe.contents[avatar].get(
+ u"name"
+ ) for avatar in self.account.getlist(u"avatars")
+ ]
def makelist(value):
- """Turn string into list type."""
- if value[0] + value[-1] == "[]": return eval(value)
- else: return [ value ]
+ u"""Turn string into list type."""
+ if value[0] + value[-1] == u"[]": return eval(value)
+ else: return [ value ]
def makedict(value):
- """Turn string into dict type."""
- if value[0] + value[-1] == "{}": return eval(value)
- elif value.find(":") > 0: return eval("{" + value + "}")
- else: return { value: None }
+ u"""Turn string into dict type."""
+ if value[0] + value[-1] == u"{}": return eval(value)
+ elif value.find(u":") > 0: return eval(u"{" + value + u"}")
+ else: return { value: None }
+
+def telnet_proto(arguments):
+ u"""Return a concatenated series of Telnet protocol commands."""
+
+ # same names as bsd's arpa/telnet.h (telnetlib's are ambiguous)
+ telnet_commands = {
+ u"TELOPT_BINARY": 0, # RFC 856
+ u"TELOPT_ECHO": 1, # RFC 857
+ u"TELOPT_SGA": 3, # RFC 858
+ u"TELOPT_EOR": 25, # RFC 885
+ u"TELOPT_NAWS": 31, # RFC 1073
+ u"TELOPT_LINEMODE": 34, # RFC 1184
+ u"EOR": 239,
+ u"SE": 240,
+ u"GA": 249,
+ u"SB": 250,
+ u"WILL": 251,
+ u"WONT": 252,
+ u"DO": 253,
+ u"DONT": 254,
+ u"IAC": 255
+ }
+
+ # this will need to be a byte type during 2to3 migration
+ command_series = ""
+ for argument in arguments:
+ command_series += chr(telnet_commands[argument])
+ return command_series
def broadcast(message, add_prompt=True):
- """Send a message to all connected users."""
- for each_user in universe.userlist: each_user.send("$(eol)" + message, add_prompt=add_prompt)
+ u"""Send a message to all connected users."""
+ for each_user in universe.userlist:
+ each_user.send(u"$(eol)" + message, add_prompt=add_prompt)
def log(message, level=0):
- """Log a message."""
-
- # a couple references we need
- file_name = universe.categories["internal"]["logging"].get("file")
- max_log_lines = universe.categories["internal"]["logging"].getint("max_log_lines")
- syslog_name = universe.categories["internal"]["logging"].get("syslog")
- timestamp = asctime()[4:19]
-
- # turn the message into a list of lines
- lines = filter(lambda x: x!="", [(x.rstrip()) for x in message.split("\n")])
-
- # send the timestamp and line to a file
- if file_name:
- if not isabs(file_name):
- file_name = path_join(universe.startdir, file_name)
- file_descriptor = file(file_name, "a")
- for line in lines: file_descriptor.write(timestamp + " " + line + "\n")
- file_descriptor.flush()
- file_descriptor.close()
-
- # send the timestamp and line to standard output
- if universe.categories["internal"]["logging"].getboolean("stdout"):
- for line in lines: print(timestamp + " " + line)
-
- # send the line to the system log
- if syslog_name:
- openlog(syslog_name, LOG_PID, LOG_INFO | LOG_DAEMON)
- for line in lines: syslog(line)
- closelog()
-
- # display to connected administrators
- for user in universe.userlist:
- if user.state == "active" and user.account.getboolean("administrator") and user.account.getint("loglevel") <= level:
- # iterate over every line in the message
- full_message = ""
- for line in lines:
- full_message += "$(bld)$(red)" + timestamp + " " + line + "$(nrm)$(eol)"
- user.send(full_message, flush=True)
-
- # add to the recent log list
- for line in lines:
- while 0 < len(universe.loglines) >= max_log_lines: del universe.loglines[0]
- universe.loglines.append((level, timestamp + " " + line))
+ u"""Log a message."""
+ import codecs, os.path, syslog, time
+
+ # a couple references we need
+ file_name = universe.categories[u"internal"][u"logging"].get(u"file")
+ max_log_lines = universe.categories[u"internal"][u"logging"].getint(
+ u"max_log_lines"
+ )
+ syslog_name = universe.categories[u"internal"][u"logging"].get(u"syslog")
+ timestamp = time.asctime()[4:19]
+
+ # turn the message into a list of lines
+ lines = filter(
+ lambda x: x!=u"", [ (x.rstrip()) for x in message.split(u"\n") ]
+ )
+
+ # send the timestamp and line to a file
+ if file_name:
+ if not os.path.isabs(file_name):
+ file_name = os.path.join(universe.startdir, file_name)
+ file_descriptor = codecs.open(file_name, u"a", u"utf-8")
+ for line in lines: file_descriptor.write(timestamp + u" " + line + u"\n")
+ file_descriptor.flush()
+ file_descriptor.close()
+
+ # send the timestamp and line to standard output
+ if universe.categories[u"internal"][u"logging"].getboolean(u"stdout"):
+ for line in lines: print(timestamp + u" " + line)
+
+ # send the line to the system log
+ if syslog_name:
+ syslog.openlog(
+ syslog_name.encode("utf-8"),
+ syslog.LOG_PID,
+ syslog.LOG_INFO | syslog.LOG_DAEMON
+ )
+ for line in lines: syslog.syslog(line)
+ syslog.closelog()
+
+ # display to connected administrators
+ for user in universe.userlist:
+ if user.state == u"active" and user.account.getboolean(
+ u"administrator"
+ ) and user.account.getint(u"loglevel") <= level:
+ # iterate over every line in the message
+ full_message = u""
+ for line in lines:
+ full_message += u"$(bld)$(red)" + timestamp + u" " + line.replace(
+ u"$(", u"$_("
+ ) + u"$(nrm)$(eol)"
+ user.send(full_message, flush=True)
+
+ # add to the recent log list
+ for line in lines:
+ while 0 < len(universe.loglines) >= max_log_lines:
+ del universe.loglines[0]
+ universe.loglines.append((level, timestamp + u" " + line))
def get_loglines(level, start, stop):
- """Return a specific range of loglines filtered by level."""
-
- # filter the log lines
- loglines = filter(lambda x: x[0]>=level, universe.loglines)
-
- # we need these in several places
- total_count = str(len(universe.loglines))
- filtered_count = len(loglines)
-
- # don't proceed if there are no lines
- if filtered_count:
-
- # can't start before the begining or at the end
- if start > filtered_count: start = filtered_count
- if start < 1: start = 1
-
- # can't stop before we start
- if stop > start: stop = start
- elif stop < 1: stop = 1
-
- # some preamble
- message = "There are " + str(total_count)
- message += " log lines in memory and " + str(filtered_count)
- message += " at or above level " + str(level) + "."
- message += " The matching lines from " + str(stop) + " to "
- message += str(start) + " are:$(eol)$(eol)"
-
- # add the text from the selected lines
- if stop > 1: range_lines = loglines[-start:-(stop-1)]
- else: range_lines = loglines[-start:]
- for line in range_lines:
- message += " (" + str(line[0]) + ") " + line[1] + "$(eol)"
-
- # there were no lines
- else:
- message = "None of the " + str(total_count)
- message += " lines in memory matches your request."
-
- # pass it back
- return message
+ u"""Return a specific range of loglines filtered by level."""
+
+ # filter the log lines
+ loglines = filter(lambda x: x[0]>=level, universe.loglines)
+
+ # we need these in several places
+ total_count = unicode(len(universe.loglines))
+ filtered_count = len(loglines)
+
+ # don't proceed if there are no lines
+ if filtered_count:
+
+ # can't start before the begining or at the end
+ if start > filtered_count: start = filtered_count
+ if start < 1: start = 1
+
+ # can't stop before we start
+ if stop > start: stop = start
+ elif stop < 1: stop = 1
+
+ # some preamble
+ message = u"There are " + unicode(total_count)
+ message += u" log lines in memory and " + unicode(filtered_count)
+ message += u" at or above level " + unicode(level) + u"."
+ message += u" The matching lines from " + unicode(stop) + u" to "
+ message += unicode(start) + u" are:$(eol)$(eol)"
+
+ # add the text from the selected lines
+ if stop > 1: range_lines = loglines[-start:-(stop-1)]
+ else: range_lines = loglines[-start:]
+ for line in range_lines:
+ message += u" (" + unicode(line[0]) + u") " + line[1].replace(
+ u"$(", u"$_("
+ ) + u"$(eol)"
+
+ # there were no lines
+ else:
+ message = u"None of the " + unicode(total_count)
+ message += u" lines in memory matches your request."
+
+ # pass it back
+ return message
+
+def glyph_columns(character):
+ u"""Convenience function to return the column width of a glyph."""
+ import unicodedata
+ if unicodedata.east_asian_width(character) in u"FW": return 2
+ else: return 1
def wrap_ansi_text(text, width):
- """Wrap text with arbitrary width while ignoring ANSI colors."""
-
- # the current position in the entire text string, including all
- # characters, printable or otherwise
- absolute_position = 0
-
- # the current text position relative to the begining of the line,
- # ignoring color escape sequences
- relative_position = 0
-
- # whether the current character is part of a telnet IAC sequence
- iac_counter = 0
-
- # whether the current character is part of a color escape sequence
- escape = False
-
- # iterate over each character from the begining of the text
- for each_character in text:
-
- # the current character is the telnet IAC character
- if each_character == IAC and not iac_counter:
- iac_counter = 2
-
- # the current character is within an IAC sequence
- elif iac_counter:
-
- # the current character is another IAC,
- # terminating the sequence
- if each_character == IAC:
- iac_counter = 0
-
- # otherwise, decrement the IAC counter
- else:
- iac_counter -= 1
-
- # the current character is the escape character
- elif each_character == chr(27) and not escape:
- escape = True
-
- # the current character is within an escape sequence
- elif escape:
-
- # the current character is m, which terminates the
- # escape sequence
- if each_character == "m":
- escape = False
-
- # the current character is a newline, so reset the relative
- # position (start a new line)
- elif each_character == "\n":
- relative_position = 0
-
- # the current character meets the requested maximum line width,
- # so we need to backtrack and find a space at which to wrap
- elif relative_position == width and not each_character == "\r":
-
- # distance of the current character examined from the
- # relative position
- wrap_offset = 0
-
- # count backwards until we find a space
- while text[absolute_position - wrap_offset] != " ":
- wrap_offset += 1
-
- # insert an eol in place of the space
- text = text[:absolute_position - wrap_offset] + "\r\n" + text[absolute_position - wrap_offset + 1:]
-
- # increase the absolute position because an eol is two
- # characters but the space it replaced was only one
- absolute_position += 1
-
- # now we're at the begining of a new line, plus the
- # number of characters wrapped from the previous line
- relative_position = wrap_offset
-
- # as long as the character is not a carriage return and the
- # other above conditions haven't been met, count it as a
- # printable character
- elif each_character != "\r":
- relative_position += 1
-
- # increase the absolute position for every character
- absolute_position += 1
-
- # return the newly-wrapped text
- return text
+ u"""Wrap text with arbitrary width while ignoring ANSI colors."""
+ import unicodedata
+
+ # the current position in the entire text string, including all
+ # characters, printable or otherwise
+ absolute_position = 0
+
+ # the current text position relative to the begining of the line,
+ # ignoring color escape sequences
+ relative_position = 0
+
+ # the absolute position of the most recent whitespace character
+ last_whitespace = 0
+
+ # whether the current character is part of a color escape sequence
+ escape = False
+
+ # normalize any potentially composited unicode before we count it
+ text = unicodedata.normalize(u"NFKC", text)
+
+ # iterate over each character from the begining of the text
+ for each_character in text:
+
+ # the current character is the escape character
+ if each_character == u"\x1b" and not escape:
+ escape = True
+
+ # the current character is within an escape sequence
+ elif escape:
+
+ # the current character is m, which terminates the
+ # escape sequence
+ if each_character == u"m":
+ escape = False
+
+ # the current character is a newline, so reset the relative
+ # position (start a new line)
+ elif each_character == u"\n":
+ relative_position = 0
+ last_whitespace = absolute_position
+
+ # the current character meets the requested maximum line width,
+ # so we need to backtrack and find a space at which to wrap;
+ # special care is taken to avoid an off-by-one in case the
+ # current character is a double-width glyph
+ elif each_character != u"\r" and (
+ relative_position >= width or (
+ relative_position >= width -1 and glyph_columns(
+ each_character
+ ) == 2
+ )
+ ):
+
+ # it's always possible we landed on whitespace
+ if unicodedata.category(each_character) in (u"Cc",u"Zs"):
+ last_whitespace = absolute_position
+
+ # insert an eol in place of the space
+ text = text[:last_whitespace] + u"\r\n" + text[last_whitespace + 1:]
+
+ # increase the absolute position because an eol is two
+ # characters but the space it replaced was only one
+ absolute_position += 1
+
+ # now we're at the begining of a new line, plus the
+ # number of characters wrapped from the previous line
+ relative_position = 0
+ for remaining_characters in text[last_whitespace:absolute_position]:
+ relative_position += glyph_columns(remaining_characters)
+
+ # as long as the character is not a carriage return and the
+ # other above conditions haven't been met, count it as a
+ # printable character
+ elif each_character != u"\r":
+ relative_position += glyph_columns(each_character)
+ if unicodedata.category(each_character) in (u"Cc",u"Zs"):
+ last_whitespace = absolute_position
+
+ # increase the absolute position for every character
+ absolute_position += 1
+
+ # return the newly-wrapped text
+ return text
def weighted_choice(data):
- """Takes a dict weighted by value and returns a random key."""
+ u"""Takes a dict weighted by value and returns a random key."""
+ import random
- # this will hold our expanded list of keys from the data
- expanded = []
+ # this will hold our expanded list of keys from the data
+ expanded = []
- # create thee expanded list of keys
- for key in data.keys():
- for count in range(data[key]):
- expanded.append(key)
+ # create thee expanded list of keys
+ for key in data.keys():
+ for count in range(data[key]):
+ expanded.append(key)
- # return one at random
- return choice(expanded)
+ # return one at random
+ return random.choice(expanded)
def random_name():
- """Returns a random character name."""
-
- # the vowels and consonants needed to create romaji syllables
- vowels = [ "a", "i", "u", "e", "o" ]
- consonants = ["'", "k", "z", "s", "sh", "z", "j", "t", "ch", "ts", "d", "n", "h", "f", "m", "y", "r", "w" ]
-
- # this dict will hold our weighted list of syllables
- syllables = {}
-
- # generate the list with an even weighting
- for consonant in consonants:
- for vowel in vowels:
- syllables[consonant + vowel] = 1
-
- # we'll build the name into this string
- name = ""
-
- # create a name of random length from the syllables
- for syllable in range(randrange(2, 6)):
- name += weighted_choice(syllables)
-
- # strip any leading quotemark, capitalize and return the name
- return name.strip("'").capitalize()
+ u"""Returns a random character name."""
+ import random
+
+ # the vowels and consonants needed to create romaji syllables
+ vowels = [
+ u"a",
+ u"i",
+ u"u",
+ u"e",
+ u"o"
+ ]
+ consonants = [
+ u"'",
+ u"k",
+ u"z",
+ u"s",
+ u"sh",
+ u"z",
+ u"j",
+ u"t",
+ u"ch",
+ u"ts",
+ u"d",
+ u"n",
+ u"h",
+ u"f",
+ u"m",
+ u"y",
+ u"r",
+ u"w"
+ ]
+
+ # this dict will hold our weighted list of syllables
+ syllables = {}
+
+ # generate the list with an even weighting
+ for consonant in consonants:
+ for vowel in vowels:
+ syllables[consonant + vowel] = 1
+
+ # we'll build the name into this string
+ name = u""
+
+ # create a name of random length from the syllables
+ for syllable in range(random.randrange(2, 6)):
+ name += weighted_choice(syllables)
+
+ # strip any leading quotemark, capitalize and return the name
+ return name.strip(u"'").capitalize()
def replace_macros(user, text, is_input=False):
- """Replaces macros in text output."""
-
- # third person pronouns
- pronouns = {
- "female": { "obj": "her", "pos": "hers", "sub": "she" },
- "male": { "obj": "him", "pos": "his", "sub": "he" },
- "neuter": { "obj": "it", "pos": "its", "sub": "it" }
- }
-
- # a dict of replacement macros
- macros = {
- "eol": "\r\n",
- "bld": chr(27) + "[1m",
- "nrm": chr(27) + "[0m",
- "blk": chr(27) + "[30m",
- "blu": chr(27) + "[34m",
- "cyn": chr(27) + "[36m",
- "grn": chr(27) + "[32m",
- "mgt": chr(27) + "[35m",
- "red": chr(27) + "[31m",
- "yel": chr(27) + "[33m",
- }
-
- # add dynamic macros where possible
- if user.account:
- account_name = user.account.get("name")
- if account_name:
- macros["account"] = account_name
- if user.avatar:
- avatar_gender = user.avatar.get("gender")
- if avatar_gender:
- macros["tpop"] = pronouns[avatar_gender]["obj"]
- macros["tppp"] = pronouns[avatar_gender]["pos"]
- macros["tpsp"] = pronouns[avatar_gender]["sub"]
-
- # loop until broken
- while True:
-
- # find and replace per the macros dict
- macro_start = text.find("$(")
- if macro_start == -1: break
- macro_end = text.find(")", macro_start) + 1
- macro = text[macro_start+2:macro_end-1]
- if macro in macros.keys():
- replacement = macros[macro]
-
- # this is how we handle local file inclusion (dangerous!)
- elif macro.startswith("inc:"):
- incfile = path_join(universe.startdir, macro[4:])
- if exists(incfile):
- incfd = file(incfile)
- replacement = ""
- for line in incfd:
- if line.endswith("\n") and not line.endswith("\r\n"):
- line = line.replace("\n", "\r\n")
- replacement += line
- # lose the trailing eol
- replacement = replacement[:-2]
- else:
- replacement = ""
- log("Couldn't read included " + incfile + " file.", 6)
-
- # if we get here, log and replace it with null
- else:
- replacement = ""
- if not is_input:
- log("Unexpected replacement macro " + macro + " encountered.", 6)
-
- # and now we act on the replacement
- text = text.replace("$(" + macro + ")", replacement)
-
- # replace the look-like-a-macro sequence
- text = text.replace("$_(", "$(")
-
- return text
+ u"""Replaces macros in text output."""
+ import codecs, os.path
+
+ # third person pronouns
+ pronouns = {
+ u"female": { u"obj": u"her", u"pos": u"hers", u"sub": u"she" },
+ u"male": { u"obj": u"him", u"pos": u"his", u"sub": u"he" },
+ u"neuter": { u"obj": u"it", u"pos": u"its", u"sub": u"it" }
+ }
+
+ # a dict of replacement macros
+ macros = {
+ u"eol": u"\r\n",
+ u"bld": unichr(27) + u"[1m",
+ u"nrm": unichr(27) + u"[0m",
+ u"blk": unichr(27) + u"[30m",
+ u"blu": unichr(27) + u"[34m",
+ u"cyn": unichr(27) + u"[36m",
+ u"grn": unichr(27) + u"[32m",
+ u"mgt": unichr(27) + u"[35m",
+ u"red": unichr(27) + u"[31m",
+ u"yel": unichr(27) + u"[33m",
+ }
+
+ # add dynamic macros where possible
+ if user.account:
+ account_name = user.account.get(u"name")
+ if account_name:
+ macros[u"account"] = account_name
+ if user.avatar:
+ avatar_gender = user.avatar.get(u"gender")
+ if avatar_gender:
+ macros[u"tpop"] = pronouns[avatar_gender][u"obj"]
+ macros[u"tppp"] = pronouns[avatar_gender][u"pos"]
+ macros[u"tpsp"] = pronouns[avatar_gender][u"sub"]
+
+ # loop until broken
+ while True:
+
+ # find and replace per the macros dict
+ macro_start = text.find(u"$(")
+ if macro_start == -1: break
+ macro_end = text.find(u")", macro_start) + 1
+ macro = text[macro_start+2:macro_end-1]
+ if macro in macros.keys():
+ replacement = macros[macro]
+
+ # this is how we handle local file inclusion (dangerous!)
+ elif macro.startswith(u"inc:"):
+ incfile = os.path.join(universe.startdir, macro[4:])
+ if os.path.exists(incfile):
+ incfd = codecs.open(incfile, u"r", u"utf-8")
+ replacement = u""
+ for line in incfd:
+ if line.endswith(u"\n") and not line.endswith(u"\r\n"):
+ line = line.replace(u"\n", u"\r\n")
+ replacement += line
+ # lose the trailing eol
+ replacement = replacement[:-2]
+ else:
+ replacement = u""
+ log(u"Couldn't read included " + incfile + u" file.", 6)
+
+ # if we get here, log and replace it with null
+ else:
+ replacement = u""
+ if not is_input:
+ log(u"Unexpected replacement macro " + macro + u" encountered.", 6)
+
+ # and now we act on the replacement
+ text = text.replace(u"$(" + macro + u")", replacement)
+
+ # replace the look-like-a-macro sequence
+ text = text.replace(u"$_(", u"$(")
+
+ return text
def escape_macros(text):
- """Escapes replacement macros in text."""
- return text.replace("$(", "$_(")
+ u"""Escapes replacement macros in text."""
+ return text.replace(u"$(", u"$_(")
-def first_word(text, separator=" "):
- """Returns a tuple of the first word and the rest."""
- if text:
- if text.find(separator) > 0: return text.split(separator, 1)
- else: return text, ""
- else: return "", ""
+def first_word(text, separator=u" "):
+ u"""Returns a tuple of the first word and the rest."""
+ if text:
+ if text.find(separator) > 0: return text.split(separator, 1)
+ else: return text, u""
+ else: return u"", u""
def on_pulse():
- """The things which should happen on each pulse, aside from reloads."""
-
- # open the listening socket if it hasn't been already
- if not hasattr(universe, "listening_socket"):
- universe.initialize_server_socket()
-
- # assign a user if a new connection is waiting
- user = check_for_connection(universe.listening_socket)
- if user: universe.userlist.append(user)
-
- # iterate over the connected users
- for user in universe.userlist: user.pulse()
-
- # add an element for counters if it doesn't exist
- if not "counters" in universe.categories["internal"]:
- universe.categories["internal"]["counters"] = Element("internal:counters", universe)
-
- # update the log every now and then
- if not universe.categories["internal"]["counters"].getint("mark"):
- log(str(len(universe.userlist)) + " connection(s)")
- universe.categories["internal"]["counters"].set("mark", universe.categories["internal"]["time"].getint("frequency_log"))
- else: universe.categories["internal"]["counters"].set("mark", universe.categories["internal"]["counters"].getint("mark") - 1)
-
- # periodically save everything
- if not universe.categories["internal"]["counters"].getint("save"):
- universe.save()
- universe.categories["internal"]["counters"].set("save", universe.categories["internal"]["time"].getint("frequency_save"))
- else: universe.categories["internal"]["counters"].set("save", universe.categories["internal"]["counters"].getint("save") - 1)
-
- # pause for a configurable amount of time (decimal seconds)
- sleep(universe.categories["internal"]["time"].getfloat("increment"))
-
- # increase the elapsed increment counter
- universe.categories["internal"]["counters"].set("elapsed", universe.categories["internal"]["counters"].getint("elapsed") + 1)
+ u"""The things which should happen on each pulse, aside from reloads."""
+ import time
+
+ # open the listening socket if it hasn't been already
+ if not hasattr(universe, u"listening_socket"):
+ universe.initialize_server_socket()
+
+ # assign a user if a new connection is waiting
+ user = check_for_connection(universe.listening_socket)
+ if user: universe.userlist.append(user)
+
+ # iterate over the connected users
+ for user in universe.userlist: user.pulse()
+
+ # add an element for counters if it doesn't exist
+ if not u"counters" in universe.categories[u"internal"]:
+ universe.categories[u"internal"][u"counters"] = Element(
+ u"internal:counters", universe
+ )
+
+ # update the log every now and then
+ if not universe.categories[u"internal"][u"counters"].getint(u"mark"):
+ log(unicode(len(universe.userlist)) + u" connection(s)")
+ universe.categories[u"internal"][u"counters"].set(
+ u"mark", universe.categories[u"internal"][u"time"].getint(
+ u"frequency_log"
+ )
+ )
+ else:
+ universe.categories[u"internal"][u"counters"].set(
+ u"mark", universe.categories[u"internal"][u"counters"].getint(
+ u"mark"
+ ) - 1
+ )
+
+ # periodically save everything
+ if not universe.categories[u"internal"][u"counters"].getint(u"save"):
+ universe.save()
+ universe.categories[u"internal"][u"counters"].set(
+ u"save", universe.categories[u"internal"][u"time"].getint(
+ u"frequency_save"
+ )
+ )
+ else:
+ universe.categories[u"internal"][u"counters"].set(
+ u"save", universe.categories[u"internal"][u"counters"].getint(
+ u"save"
+ ) - 1
+ )
+
+ # pause for a configurable amount of time (decimal seconds)
+ time.sleep(universe.categories[u"internal"][u"time"].getfloat(u"increment"))
+
+ # increase the elapsed increment counter
+ universe.categories[u"internal"][u"counters"].set(
+ u"elapsed", universe.categories[u"internal"][u"counters"].getint(
+ u"elapsed"
+ ) + 1
+ )
def reload_data():
- """Reload all relevant objects."""
- for user in universe.userlist[:]: user.reload()
- for element in universe.contents.values():
- if element.origin.is_writeable(): element.reload()
- universe.load()
+ u"""Reload all relevant objects."""
+ for user in universe.userlist[:]: user.reload()
+ for element in universe.contents.values():
+ if element.origin.is_writeable(): element.reload()
+ universe.load()
def check_for_connection(listening_socket):
- """Check for a waiting connection and return a new user object."""
-
- # try to accept a new connection
- try:
- connection, address = listening_socket.accept()
- except:
- return None
-
- # note that we got one
- log("Connection from " + address[0], 2)
+ u"""Check for a waiting connection and return a new user object."""
- # disable blocking so we can proceed whether or not we can send/receive
- connection.setblocking(0)
+ # try to accept a new connection
+ try:
+ connection, address = listening_socket.accept()
+ except:
+ return None
- # create a new user object
- user = User()
+ # note that we got one
+ log(u"Connection from " + address[0], 2)
- # associate this connection with it
- user.connection = connection
+ # disable blocking so we can proceed whether or not we can send/receive
+ connection.setblocking(0)
- # set the user's ipa from the connection's ipa
- user.address = address[0]
+ # create a new user object
+ user = User()
- # let the client know we WILL EOR
- user.send(IAC+WILL+EOR, raw=True)
- user.negotiation_pause = 2
+ # associate this connection with it
+ user.connection = connection
- # return the new user object
- return user
+ # set the user's ipa from the connection's ipa
+ user.address = address[0]
-def get_menu(state, error=None, echoing=True, terminator="", choices=None):
- """Show the correct menu text to a user."""
+ # let the client know we WILL EOR (RFC 885)
+ user.send(telnet_proto([u"IAC",u"WILL",u"TELOPT_EOR"]), raw=True)
+ user.negotiation_pause = 2
- # make sure we don't reuse a mutable sequence by default
- if choices is None: choices = {}
+ # return the new user object
+ return user
- # begin with a telnet echo command sequence if needed
- message = get_echo_sequence(state, echoing)
+def get_menu(state, error=None, choices=None):
+ u"""Show the correct menu text to a user."""
- # get the description or error text
- message += get_menu_description(state, error)
+ # make sure we don't reuse a mutable sequence by default
+ if choices is None: choices = {}
- # get menu choices for the current state
- message += get_formatted_menu_choices(state, choices)
+ # get the description or error text
+ message = get_menu_description(state, error)
- # try to get a prompt, if it was defined
- message += get_menu_prompt(state)
+ # get menu choices for the current state
+ message += get_formatted_menu_choices(state, choices)
- # throw in the default choice, if it exists
- message += get_formatted_default_menu_choice(state)
+ # try to get a prompt, if it was defined
+ message += get_menu_prompt(state)
- # display a message indicating if echo is off
- message += get_echo_message(state)
+ # throw in the default choice, if it exists
+ message += get_formatted_default_menu_choice(state)
- # tack on EOR or GA to indicate the prompt will not be followed by CRLF
- message += terminator
+ # display a message indicating if echo is off
+ message += get_echo_message(state)
- # return the assembly of various strings defined above
- return message
+ # return the assembly of various strings defined above
+ return message
def menu_echo_on(state):
- """True if echo is on, false if it is off."""
- return universe.categories["menu"][state].getboolean("echo", True)
+ u"""True if echo is on, false if it is off."""
+ return universe.categories[u"menu"][state].getboolean(u"echo", True)
def get_echo_sequence(state, echoing):
- """Build the appropriate IAC WILL/WONT ECHO sequence as needed."""
+ u"""Build the appropriate IAC WILL/WONT ECHO sequence as needed."""
- # if the user has echo on and the menu specifies it should be turned
- # off, send: iac + will + echo + null
- if echoing and not menu_echo_on(state): return IAC+WILL+ECHO
+ # if the user has echo on and the menu specifies it should be turned
+ # off, send: iac + will + echo + null
+ if echoing and not menu_echo_on(state):
+ return telnet_proto([u"IAC",u"WILL",u"TELOPT_ECHO"])
- # if echo is not set to off in the menu and the user curently has echo
- # off, send: iac + wont + echo + null
- elif not echoing and menu_echo_on(state): return IAC+WONT+ECHO
+ # if echo is not set to off in the menu and the user curently has echo
+ # off, send: iac + wont + echo + null
+ elif not echoing and menu_echo_on(state):
+ return telnet_proto([u"IAC",u"WONT",u"TELOPT_ECHO"])
- # default is not to send an echo control sequence at all
- else: return ""
+ # default is not to send an echo control sequence at all
+ else: return ""
def get_echo_message(state):
- """Return a message indicating that echo is off."""
- if menu_echo_on(state): return ""
- else: return "(won't echo) "
+ u"""Return a message indicating that echo is off."""
+ if menu_echo_on(state): return u""
+ else: return u"(won't echo) "
def get_default_menu_choice(state):
- """Return the default choice for a menu."""
- return universe.categories["menu"][state].get("default")
+ u"""Return the default choice for a menu."""
+ return universe.categories[u"menu"][state].get(u"default")
def get_formatted_default_menu_choice(state):
- """Default menu choice foratted for inclusion in a prompt string."""
- default_choice = get_default_menu_choice(state)
- if default_choice: return "[$(red)" + default_choice + "$(nrm)] "
- else: return ""
+ u"""Default menu choice foratted for inclusion in a prompt string."""
+ default_choice = get_default_menu_choice(state)
+ if default_choice: return u"[$(red)" + default_choice + u"$(nrm)] "
+ else: return u""
def get_menu_description(state, error):
- """Get the description or error text."""
+ u"""Get the description or error text."""
- # an error condition was raised by the handler
- if error:
+ # an error condition was raised by the handler
+ if error:
- # try to get an error message matching the condition
- # and current state
- description = universe.categories["menu"][state].get("error_" + error)
- if not description: description = "That is not a valid choice..."
- description = "$(red)" + description + "$(nrm)"
+ # try to get an error message matching the condition
+ # and current state
+ description = universe.categories[u"menu"][state].get(u"error_" + error)
+ if not description: description = u"That is not a valid choice..."
+ description = u"$(red)" + description + u"$(nrm)"
- # there was no error condition
- else:
+ # there was no error condition
+ else:
- # try to get a menu description for the current state
- description = universe.categories["menu"][state].get("description")
+ # try to get a menu description for the current state
+ description = universe.categories[u"menu"][state].get(u"description")
- # return the description or error message
- if description: description += "$(eol)$(eol)"
- return description
+ # return the description or error message
+ if description: description += u"$(eol)$(eol)"
+ return description
def get_menu_prompt(state):
- """Try to get a prompt, if it was defined."""
- prompt = universe.categories["menu"][state].get("prompt")
- if prompt: prompt += " "
- return prompt
+ u"""Try to get a prompt, if it was defined."""
+ prompt = universe.categories[u"menu"][state].get(u"prompt")
+ if prompt: prompt += u" "
+ return prompt
def get_menu_choices(user):
- """Return a dict of choice:meaning."""
- menu = universe.categories["menu"][user.state]
- create_choices = menu.get("create")
- if create_choices: choices = eval(create_choices)
- else: choices = {}
- ignores = []
- options = {}
- creates = {}
- for facet in menu.facets():
- if facet.startswith("demand_") and not eval(universe.categories["menu"][user.state].get(facet)):
- ignores.append(facet.split("_", 2)[1])
- elif facet.startswith("create_"):
- creates[facet] = facet.split("_", 2)[1]
- elif facet.startswith("choice_"):
- options[facet] = facet.split("_", 2)[1]
- for facet in creates.keys():
- if not creates[facet] in ignores:
- choices[creates[facet]] = eval(menu.get(facet))
- for facet in options.keys():
- if not options[facet] in ignores:
- choices[options[facet]] = menu.get(facet)
- return choices
+ u"""Return a dict of choice:meaning."""
+ menu = universe.categories[u"menu"][user.state]
+ create_choices = menu.get(u"create")
+ if create_choices: choices = eval(create_choices)
+ else: choices = {}
+ ignores = []
+ options = {}
+ creates = {}
+ for facet in menu.facets():
+ if facet.startswith(u"demand_") and not eval(
+ universe.categories[u"menu"][user.state].get(facet)
+ ):
+ ignores.append(facet.split(u"_", 2)[1])
+ elif facet.startswith(u"create_"):
+ creates[facet] = facet.split(u"_", 2)[1]
+ elif facet.startswith(u"choice_"):
+ options[facet] = facet.split(u"_", 2)[1]
+ for facet in creates.keys():
+ if not creates[facet] in ignores:
+ choices[creates[facet]] = eval(menu.get(facet))
+ for facet in options.keys():
+ if not options[facet] in ignores:
+ choices[options[facet]] = menu.get(facet)
+ return choices
def get_formatted_menu_choices(state, choices):
- """Returns a formatted string of menu choices."""
- choice_output = ""
- choice_keys = choices.keys()
- choice_keys.sort()
- for choice in choice_keys:
- choice_output += " [$(red)" + choice + "$(nrm)] " + choices[choice] + "$(eol)"
- if choice_output: choice_output += "$(eol)"
- return choice_output
+ u"""Returns a formatted string of menu choices."""
+ choice_output = u""
+ choice_keys = choices.keys()
+ choice_keys.sort()
+ for choice in choice_keys:
+ choice_output += u" [$(red)" + choice + u"$(nrm)] " + choices[
+ choice
+ ] + u"$(eol)"
+ if choice_output: choice_output += u"$(eol)"
+ return choice_output
def get_menu_branches(state):
- """Return a dict of choice:branch."""
- branches = {}
- for facet in universe.categories["menu"][state].facets():
- if facet.startswith("branch_"):
- branches[facet.split("_", 2)[1]] = universe.categories["menu"][state].get(facet)
- return branches
+ u"""Return a dict of choice:branch."""
+ branches = {}
+ for facet in universe.categories[u"menu"][state].facets():
+ if facet.startswith(u"branch_"):
+ branches[
+ facet.split(u"_", 2)[1]
+ ] = universe.categories[u"menu"][state].get(facet)
+ return branches
def get_default_branch(state):
- """Return the default branch."""
- return universe.categories["menu"][state].get("branch")
+ u"""Return the default branch."""
+ return universe.categories[u"menu"][state].get(u"branch")
def get_choice_branch(user, choice):
- """Returns the new state matching the given choice."""
- branches = get_menu_branches(user.state)
- if choice in branches.keys(): return branches[choice]
- elif choice in user.menu_choices.keys(): return get_default_branch(user.state)
- else: return ""
+ u"""Returns the new state matching the given choice."""
+ branches = get_menu_branches(user.state)
+ if choice in branches.keys(): return branches[choice]
+ elif choice in user.menu_choices.keys():
+ return get_default_branch(user.state)
+ else: return u""
def get_menu_actions(state):
- """Return a dict of choice:branch."""
- actions = {}
- for facet in universe.categories["menu"][state].facets():
- if facet.startswith("action_"):
- actions[facet.split("_", 2)[1]] = universe.categories["menu"][state].get(facet)
- return actions
+ u"""Return a dict of choice:branch."""
+ actions = {}
+ for facet in universe.categories[u"menu"][state].facets():
+ if facet.startswith(u"action_"):
+ actions[
+ facet.split(u"_", 2)[1]
+ ] = universe.categories[u"menu"][state].get(facet)
+ return actions
def get_default_action(state):
- """Return the default action."""
- return universe.categories["menu"][state].get("action")
+ u"""Return the default action."""
+ return universe.categories[u"menu"][state].get(u"action")
def get_choice_action(user, choice):
- """Run any indicated script for the given choice."""
- actions = get_menu_actions(user.state)
- if choice in actions.keys(): return actions[choice]
- elif choice in user.menu_choices.keys(): return get_default_action(user.state)
- else: return ""
+ u"""Run any indicated script for the given choice."""
+ actions = get_menu_actions(user.state)
+ if choice in actions.keys(): return actions[choice]
+ elif choice in user.menu_choices.keys():
+ return get_default_action(user.state)
+ else: return u""
def handle_user_input(user):
- """The main handler, branches to a state-specific handler."""
+ u"""The main handler, branches to a state-specific handler."""
- # if the user's client echo is off, send a blank line for aesthetics
- if user.echoing: user.received_newline = True
+ # if the user's client echo is off, send a blank line for aesthetics
+ if user.echoing: user.received_newline = True
- # check to make sure the state is expected, then call that handler
- if "handler_" + user.state in globals():
- exec("handler_" + user.state + "(user)")
- else:
- generic_menu_handler(user)
+ # check to make sure the state is expected, then call that handler
+ if u"handler_" + user.state in globals():
+ exec(u"handler_" + user.state + u"(user)")
+ else:
+ generic_menu_handler(user)
- # since we got input, flag that the menu/prompt needs to be redisplayed
- user.menu_seen = False
+ # since we got input, flag that the menu/prompt needs to be redisplayed
+ user.menu_seen = False
- # update the last_input timestamp while we're at it
- user.last_input = universe.get_time()
+ # update the last_input timestamp while we're at it
+ user.last_input = universe.get_time()
def generic_menu_handler(user):
- """A generic menu choice handler."""
-
- # get a lower-case representation of the next line of input
- if user.input_queue:
- choice = user.input_queue.pop(0)
- if choice: choice = choice.lower()
- else: choice = ""
- if not choice: choice = get_default_menu_choice(user.state)
- if choice in user.menu_choices:
- exec(get_choice_action(user, choice))
- new_state = get_choice_branch(user, choice)
- if new_state: user.state = new_state
- else: user.error = "default"
+ u"""A generic menu choice handler."""
+
+ # get a lower-case representation of the next line of input
+ if user.input_queue:
+ choice = user.input_queue.pop(0)
+ if choice: choice = choice.lower()
+ else: choice = u""
+ if not choice: choice = get_default_menu_choice(user.state)
+ if choice in user.menu_choices:
+ exec(get_choice_action(user, choice))
+ new_state = get_choice_branch(user, choice)
+ if new_state: user.state = new_state
+ else: user.error = u"default"
def handler_entering_account_name(user):
- """Handle the login account name."""
-
- # get the next waiting line of input
- input_data = user.input_queue.pop(0)
-
- # did the user enter anything?
- if input_data:
-
- # keep only the first word and convert to lower-case
- name = input_data.lower()
-
- # fail if there are non-alphanumeric characters
- if name != filter(lambda x: x>="0" and x<="9" or x>="a" and x<="z", name):
- user.error = "bad_name"
-
- # if that account exists, time to request a password
- elif name in universe.categories["account"]:
- user.account = universe.categories["account"][name]
- user.state = "checking_password"
-
- # otherwise, this could be a brand new user
- else:
- user.account = Element("account:" + name, universe)
- user.account.set("name", name)
- log("New user: " + name, 2)
- user.state = "checking_new_account_name"
-
- # if the user entered nothing for a name, then buhbye
- else:
- user.state = "disconnecting"
+ u"""Handle the login account name."""
+
+ # get the next waiting line of input
+ input_data = user.input_queue.pop(0)
+
+ # did the user enter anything?
+ if input_data:
+
+ # keep only the first word and convert to lower-case
+ name = input_data.lower()
+
+ # fail if there are non-alphanumeric characters
+ if name != filter(
+ lambda x: x>=u"0" and x<=u"9" or x>=u"a" and x<=u"z", name
+ ):
+ user.error = u"bad_name"
+
+ # if that account exists, time to request a password
+ elif name in universe.categories[u"account"]:
+ user.account = universe.categories[u"account"][name]
+ user.state = u"checking_password"
+
+ # otherwise, this could be a brand new user
+ else:
+ user.account = Element(u"account:" + name, universe)
+ user.account.set(u"name", name)
+ log(u"New user: " + name, 2)
+ user.state = u"checking_new_account_name"
+
+ # if the user entered nothing for a name, then buhbye
+ else:
+ user.state = u"disconnecting"
def handler_checking_password(user):
- """Handle the login account password."""
-
- # get the next waiting line of input
- input_data = user.input_queue.pop(0)
-
- # does the hashed input equal the stored hash?
- if new_md5(user.account.get("name") + input_data).hexdigest() == user.account.get("passhash"):
-
- # if so, set the username and load from cold storage
- if not user.replace_old_connections():
- user.authenticate()
- user.state = "main_utility"
-
- # if at first your hashes don't match, try, try again
- elif user.password_tries < universe.categories["internal"]["limits"].getint("password_tries") - 1:
- user.password_tries += 1
- user.error = "incorrect"
-
- # we've exceeded the maximum number of password failures, so disconnect
- else:
- user.send("$(eol)$(red)Too many failed password attempts...$(nrm)$(eol)")
- user.state = "disconnecting"
+ u"""Handle the login account password."""
+ import md5
+
+ # get the next waiting line of input
+ input_data = user.input_queue.pop(0)
+
+ # does the hashed input equal the stored hash?
+ if unicode(
+ md5.new(
+ ( user.account.get(u"name") + input_data ).encode(u"utf-8")
+ ).hexdigest()
+ ) == user.account.get(u"passhash"):
+
+ # if so, set the username and load from cold storage
+ if not user.replace_old_connections():
+ user.authenticate()
+ user.state = u"main_utility"
+
+ # if at first your hashes don't match, try, try again
+ elif user.password_tries < universe.categories[
+ u"internal"
+ ][
+ u"limits"
+ ].getint(
+ u"password_tries"
+ ) - 1:
+ user.password_tries += 1
+ user.error = u"incorrect"
+
+ # we've exceeded the maximum number of password failures, so disconnect
+ else:
+ user.send(
+ u"$(eol)$(red)Too many failed password attempts...$(nrm)$(eol)"
+ )
+ user.state = u"disconnecting"
def handler_entering_new_password(user):
- """Handle a new password entry."""
-
- # get the next waiting line of input
- input_data = user.input_queue.pop(0)
-
- # make sure the password is strong--at least one upper, one lower and
- # one digit, seven or more characters in length
- if len(input_data) > 6 and len(filter(lambda x: x>="0" and x<="9", input_data)) and len(filter(lambda x: x>="A" and x<="Z", input_data)) and len(filter(lambda x: x>="a" and x<="z", input_data)):
-
- # hash and store it, then move on to verification
- user.account.set("passhash", new_md5(user.account.get("name") + input_data).hexdigest())
- user.state = "verifying_new_password"
-
- # the password was weak, try again if you haven't tried too many times
- elif user.password_tries < universe.categories["internal"]["limits"].getint("password_tries") - 1:
- user.password_tries += 1
- user.error = "weak"
-
- # too many tries, so adios
- else:
- user.send("$(eol)$(red)Too many failed password attempts...$(nrm)$(eol)")
- user.account.destroy()
- user.state = "disconnecting"
+ u"""Handle a new password entry."""
+ import md5
+
+ # get the next waiting line of input
+ input_data = user.input_queue.pop(0)
+
+ # make sure the password is strong--at least one upper, one lower and
+ # one digit, seven or more characters in length
+ if len(input_data) > 6 and len(
+ filter( lambda x: x>=u"0" and x<=u"9", input_data )
+ ) and len(
+ filter( lambda x: x>=u"A" and x<=u"Z", input_data )
+ ) and len(
+ filter( lambda x: x>=u"a" and x<=u"z", input_data )
+ ):
+
+ # hash and store it, then move on to verification
+ user.account.set(
+ u"passhash",
+ unicode(
+ md5.new(
+ ( user.account.get(u"name") + input_data ).encode(u"utf-8")
+ ).hexdigest()
+ )
+ )
+ user.state = u"verifying_new_password"
+
+ # the password was weak, try again if you haven't tried too many times
+ elif user.password_tries < universe.categories[
+ u"internal"
+ ][
+ u"limits"
+ ].getint(
+ u"password_tries"
+ ) - 1:
+ user.password_tries += 1
+ user.error = u"weak"
+
+ # too many tries, so adios
+ else:
+ user.send(
+ u"$(eol)$(red)Too many failed password attempts...$(nrm)$(eol)"
+ )
+ user.account.destroy()
+ user.state = u"disconnecting"
def handler_verifying_new_password(user):
- """Handle the re-entered new password for verification."""
-
- # get the next waiting line of input
- input_data = user.input_queue.pop(0)
-
- # hash the input and match it to storage
- if new_md5(user.account.get("name") + input_data).hexdigest() == user.account.get("passhash"):
- user.authenticate()
-
- # the hashes matched, so go active
- if not user.replace_old_connections(): user.state = "main_utility"
-
- # go back to entering the new password as long as you haven't tried
- # too many times
- elif user.password_tries < universe.categories["internal"]["limits"].getint("password_tries") - 1:
- user.password_tries += 1
- user.error = "differs"
- user.state = "entering_new_password"
-
- # otherwise, sayonara
- else:
- user.send("$(eol)$(red)Too many failed password attempts...$(nrm)$(eol)")
- user.account.destroy()
- user.state = "disconnecting"
+ u"""Handle the re-entered new password for verification."""
+ import md5
+
+ # get the next waiting line of input
+ input_data = user.input_queue.pop(0)
+
+ # hash the input and match it to storage
+ if unicode(
+ md5.new(
+ ( user.account.get(u"name") + input_data ).encode(u"utf-8")
+ ).hexdigest()
+ ) == user.account.get(u"passhash"):
+ user.authenticate()
+
+ # the hashes matched, so go active
+ if not user.replace_old_connections(): user.state = u"main_utility"
+
+ # go back to entering the new password as long as you haven't tried
+ # too many times
+ elif user.password_tries < universe.categories[
+ u"internal"
+ ][
+ u"limits"
+ ].getint(
+ u"password_tries"
+ ) - 1:
+ user.password_tries += 1
+ user.error = u"differs"
+ user.state = u"entering_new_password"
+
+ # otherwise, sayonara
+ else:
+ user.send(
+ u"$(eol)$(red)Too many failed password attempts...$(nrm)$(eol)"
+ )
+ user.account.destroy()
+ user.state = u"disconnecting"
def handler_active(user):
- """Handle input for active users."""
-
- # get the next waiting line of input
- input_data = user.input_queue.pop(0)
-
- # is there input?
- if input_data:
-
- # split out the command and parameters
- actor = user.avatar
- mode = actor.get("mode")
- if mode and input_data.startswith("!"):
- command_name, parameters = first_word(input_data[1:])
- elif mode == "chat":
- command_name = "say"
- parameters = input_data
- else:
- command_name, parameters = first_word(input_data)
-
- # lowercase the command
- command_name = command_name.lower()
-
- # the command matches a command word for which we have data
- if command_name in universe.categories["command"]:
- command = universe.categories["command"][command_name]
- else: command = None
-
- # if it's allowed, do it
- if actor.can_run(command): exec(command.get("action"))
-
- # otherwise, give an error
- elif command_name: command_error(actor, input_data)
-
- # if no input, just idle back with a prompt
- else: user.send("", just_prompt=True)
-
+ u"""Handle input for active users."""
+
+ # get the next waiting line of input
+ input_data = user.input_queue.pop(0)
+
+ # is there input?
+ if input_data:
+
+ # split out the command and parameters
+ actor = user.avatar
+ mode = actor.get(u"mode")
+ if mode and input_data.startswith(u"!"):
+ command_name, parameters = first_word(input_data[1:])
+ elif mode == u"chat":
+ command_name = u"say"
+ parameters = input_data
+ else:
+ command_name, parameters = first_word(input_data)
+
+ # lowercase the command
+ command_name = command_name.lower()
+
+ # the command matches a command word for which we have data
+ if command_name in universe.categories[u"command"]:
+ command = universe.categories[u"command"][command_name]
+ else: command = None
+
+ # if it's allowed, do it
+ if actor.can_run(command): exec(command.get(u"action"))
+
+ # otherwise, give an error
+ elif command_name: command_error(actor, input_data)
+
+ # if no input, just idle back with a prompt
+ else: user.send(u"", just_prompt=True)
+
def command_halt(actor, parameters):
- """Halt the world."""
- if actor.owner:
+ u"""Halt the world."""
+ if actor.owner:
- # see if there's a message or use a generic one
- if parameters: message = "Halting: " + parameters
- else: message = "User " + actor.owner.account.get("name") + " halted the world."
+ # see if there's a message or use a generic one
+ if parameters: message = u"Halting: " + parameters
+ else:
+ message = u"User " + actor.owner.account.get(
+ u"name"
+ ) + u" halted the world."
- # let everyone know
- broadcast(message, add_prompt=False)
- log(message, 8)
+ # let everyone know
+ broadcast(message, add_prompt=False)
+ log(message, 8)
- # set a flag to terminate the world
- universe.terminate_flag = True
+ # set a flag to terminate the world
+ universe.terminate_flag = True
def command_reload(actor):
- """Reload all code modules, configs and data."""
- if actor.owner:
+ u"""Reload all code modules, configs and data."""
+ if actor.owner:
- # let the user know and log
- actor.send("Reloading all code modules, configs and data.")
- log("User " + actor.owner.account.get("name") + " reloaded the world.", 8)
+ # let the user know and log
+ actor.send(u"Reloading all code modules, configs and data.")
+ log(
+ u"User " + actor.owner.account.get(u"name") + u" reloaded the world.",
+ 8
+ )
- # set a flag to reload
- universe.reload_flag = True
+ # set a flag to reload
+ universe.reload_flag = True
def command_quit(actor):
- """Leave the world and go back to the main menu."""
- if actor.owner:
- actor.owner.state = "main_utility"
- actor.owner.deactivate_avatar()
+ u"""Leave the world and go back to the main menu."""
+ if actor.owner:
+ actor.owner.state = u"main_utility"
+ actor.owner.deactivate_avatar()
def command_help(actor, parameters):
- """List available commands and provide help for commands."""
-
- # did the user ask for help on a specific command word?
- if parameters and actor.owner:
-
- # is the command word one for which we have data?
- if parameters in universe.categories["command"]:
- command = universe.categories["command"][parameters]
- else: command = None
-
- # only for allowed commands
- if actor.can_run(command):
-
- # add a description if provided
- description = command.get("description")
- if not description:
- description = "(no short description provided)"
- if command.getboolean("administrative"): output = "$(red)"
- else: output = "$(grn)"
- output += parameters + "$(nrm) - " + description + "$(eol)$(eol)"
-
- # add the help text if provided
- help_text = command.get("help")
- if not help_text:
- help_text = "No help is provided for this command."
- output += help_text
-
- # list related commands
- see_also = command.getlist("see_also")
- if see_also:
- really_see_also = ""
- for item in see_also:
- if item in universe.categories["command"]:
- command = universe.categories["command"][item]
- if actor.can_run(command):
- if really_see_also:
- really_see_also += ", "
- if command.getboolean("administrative"):
- really_see_also += "$(red)"
- else:
- really_see_also += "$(grn)"
- really_see_also += item + "$(nrm)"
- if really_see_also:
- output += "$(eol)$(eol)See also: " + really_see_also
-
- # no data for the requested command word
- else:
- output = "That is not an available command."
-
- # no specific command word was indicated
- else:
-
- # give a sorted list of commands with descriptions if provided
- output = "These are the commands available to you:$(eol)$(eol)"
- sorted_commands = universe.categories["command"].keys()
- sorted_commands.sort()
- for item in sorted_commands:
- command = universe.categories["command"][item]
- if actor.can_run(command):
- description = command.get("description")
- if not description:
- description = "(no short description provided)"
- if command.getboolean("administrative"): output += " $(red)"
- else: output += " $(grn)"
- output += item + "$(nrm) - " + description + "$(eol)"
- output += "$(eol)Enter \"help COMMAND\" for help on a command named \"COMMAND\"."
-
- # send the accumulated output to the user
- actor.send(output)
+ u"""List available commands and provide help for commands."""
+
+ # did the user ask for help on a specific command word?
+ if parameters and actor.owner:
+
+ # is the command word one for which we have data?
+ if parameters in universe.categories[u"command"]:
+ command = universe.categories[u"command"][parameters]
+ else: command = None
+
+ # only for allowed commands
+ if actor.can_run(command):
+
+ # add a description if provided
+ description = command.get(u"description")
+ if not description:
+ description = u"(no short description provided)"
+ if command.getboolean(u"administrative"): output = u"$(red)"
+ else: output = u"$(grn)"
+ output += parameters + u"$(nrm) - " + description + u"$(eol)$(eol)"
+
+ # add the help text if provided
+ help_text = command.get(u"help")
+ if not help_text:
+ help_text = u"No help is provided for this command."
+ output += help_text
+
+ # list related commands
+ see_also = command.getlist(u"see_also")
+ if see_also:
+ really_see_also = u""
+ for item in see_also:
+ if item in universe.categories[u"command"]:
+ command = universe.categories[u"command"][item]
+ if actor.can_run(command):
+ if really_see_also:
+ really_see_also += u", "
+ if command.getboolean(u"administrative"):
+ really_see_also += u"$(red)"
+ else:
+ really_see_also += u"$(grn)"
+ really_see_also += item + u"$(nrm)"
+ if really_see_also:
+ output += u"$(eol)$(eol)See also: " + really_see_also
+
+ # no data for the requested command word
+ else:
+ output = u"That is not an available command."
+
+ # no specific command word was indicated
+ else:
+
+ # give a sorted list of commands with descriptions if provided
+ output = u"These are the commands available to you:$(eol)$(eol)"
+ sorted_commands = universe.categories[u"command"].keys()
+ sorted_commands.sort()
+ for item in sorted_commands:
+ command = universe.categories[u"command"][item]
+ if actor.can_run(command):
+ description = command.get(u"description")
+ if not description:
+ description = u"(no short description provided)"
+ if command.getboolean(u"administrative"): output += u" $(red)"
+ else: output += u" $(grn)"
+ output += item + u"$(nrm) - " + description + u"$(eol)"
+ output += u"$(eol)Enter \"help COMMAND\" for help on a command " \
+ + u"named \"COMMAND\"."
+
+ # send the accumulated output to the user
+ actor.send(output)
def command_move(actor, parameters):
- """Move the avatar in a given direction."""
- if parameters in universe.contents[actor.get("location")].portals():
- actor.move_direction(parameters)
- else: actor.send("You cannot go that way.")
+ u"""Move the avatar in a given direction."""
+ if parameters in universe.contents[actor.get(u"location")].portals():
+ actor.move_direction(parameters)
+ else: actor.send(u"You cannot go that way.")
def command_look(actor, parameters):
- """Look around."""
- if parameters: actor.send("You can't look at or in anything yet.")
- else: actor.look_at(actor.get("location"))
+ u"""Look around."""
+ if parameters: actor.send(u"You can't look at or in anything yet.")
+ else: actor.look_at(actor.get(u"location"))
def command_say(actor, parameters):
- """Speak to others in the same room."""
-
- # check for replacement macros
- if replace_macros(actor.owner, parameters, True) != parameters:
- actor.send("You cannot speak $_(replacement macros).")
-
- # the user entered a message
- elif parameters:
-
- # get rid of quote marks on the ends of the message
- message = parameters.strip("\"'`")
-
- # match the punctuation used, if any, to an action
- actions = universe.categories["internal"]["language"].getdict("actions")
- default_punctuation = universe.categories["internal"]["language"].get("default_punctuation")
- action = ""
- for mark in actions.keys():
- if message.endswith(mark):
- action = actions[mark]
- break
-
- # add punctuation if needed
- if not action:
- action = actions[default_punctuation]
- if message and not message[-1] in punctuation:
- message += default_punctuation
-
- # decapitalize the first letter to improve matching
- if message and message[0] in uppercase:
- message = message[0].lower() + message[1:]
-
- # iterate over all words in message, replacing typos
- typos = universe.categories["internal"]["language"].getdict("typos")
- words = message.split()
- for index in range(len(words)):
- word = words[index]
- bare_word = word.strip(punctuation)
- if bare_word in typos.keys():
- words[index] = word.replace(bare_word, typos[bare_word])
- message = " ".join(words)
-
- # capitalize the first letter
- message = message[0].upper() + message[1:]
-
- # tell the room
- actor.echo_to_location(actor.get("name") + " " + action + "s, \"" + message + "\"")
- actor.send("You " + action + ", \"" + message + "\"")
-
- # there was no message
- else:
- actor.send("What do you want to say?")
+ u"""Speak to others in the same room."""
+ import unicodedata
+
+ # check for replacement macros
+ if replace_macros(actor.owner, parameters, True) != parameters:
+ actor.send(u"You cannot speak $_(replacement macros).")
+
+ # the user entered a message
+ elif parameters:
+
+ # get rid of quote marks on the ends of the message
+ message = parameters.strip(u"\"'`")
+
+ # match the punctuation used, if any, to an action
+ actions = universe.categories[u"internal"][u"language"].getdict(
+ u"actions"
+ )
+ default_punctuation = universe.categories[u"internal"][u"language"].get(
+ u"default_punctuation"
+ )
+ action = u""
+ for mark in actions.keys():
+ if message.endswith(mark):
+ action = actions[mark]
+ break
+
+ # add punctuation if needed
+ if not action:
+ action = actions[default_punctuation]
+ if message and not unicodedata.category(message[-1]) == u"Po":
+ message += default_punctuation
+
+ # decapitalize the first letter to improve matching
+ message = message[0].lower() + message[1:]
+
+ # iterate over all words in message, replacing typos
+ typos = universe.categories[u"internal"][u"language"].getdict(u"typos")
+ words = message.split()
+ for index in range(len(words)):
+ word = words[index]
+ while unicodedata.category(word[0]) == u"Po":
+ word = word[1:]
+ while unicodedata.category(word[-1]) == u"Po":
+ word = word[:-1]
+ if word in typos.keys():
+ words[index] = words[index].replace(word, typos[word])
+ message = u" ".join(words)
+
+ # capitalize the first letter
+ message = message[0].upper() + message[1:]
+
+ # tell the room
+ actor.echo_to_location(
+ actor.get(u"name") + u" " + action + u"s, \"" + message + u"\""
+ )
+ actor.send(u"You " + action + u", \"" + message + u"\"")
+
+ # there was no message
+ else:
+ actor.send(u"What do you want to say?")
def command_chat(actor):
- """Toggle chat mode."""
- mode = actor.get("mode")
- if not mode:
- actor.set("mode", "chat")
- actor.send("Entering chat mode (use $(grn)!chat$(nrm) to exit).")
- elif mode == "chat":
- actor.remove_facet("mode")
- actor.send("Exiting chat mode.")
- else: actor.send("Sorry, but you're already busy with something else!")
+ u"""Toggle chat mode."""
+ mode = actor.get(u"mode")
+ if not mode:
+ actor.set(u"mode", u"chat")
+ actor.send(u"Entering chat mode (use $(grn)!chat$(nrm) to exit).")
+ elif mode == u"chat":
+ actor.remove_facet(u"mode")
+ actor.send(u"Exiting chat mode.")
+ else: actor.send(u"Sorry, but you're already busy with something else!")
def command_show(actor, parameters):
- """Show program data."""
- message = ""
- arguments = parameters.split()
- if not parameters: message = "What do you want to show?"
- elif arguments[0] == "time":
- message = universe.categories["internal"]["counters"].get("elapsed") + " increments elapsed since the world was created."
- elif arguments[0] == "categories":
- message = "These are the element categories:$(eol)"
- categories = universe.categories.keys()
- categories.sort()
- for category in categories: message += "$(eol) $(grn)" + category + "$(nrm)"
- elif arguments[0] == "files":
- message = "These are the current files containing the universe:$(eol)"
- filenames = universe.files.keys()
- filenames.sort()
- for filename in filenames:
- if universe.files[filename].is_writeable(): status = "rw"
- else: status = "ro"
- message += "$(eol) $(red)(" + status + ") $(grn)" + filename + "$(nrm)"
- elif arguments[0] == "category":
- if len(arguments) != 2: message = "You must specify one category."
- elif arguments[1] in universe.categories:
- message = "These are the elements in the \"" + arguments[1] + "\" category:$(eol)"
- elements = [(universe.categories[arguments[1]][x].key) for x in universe.categories[arguments[1]].keys()]
- elements.sort()
- for element in elements:
- message += "$(eol) $(grn)" + element + "$(nrm)"
- else: message = "Category \"" + arguments[1] + "\" does not exist."
- elif arguments[0] == "file":
- if len(arguments) != 2: message = "You must specify one file."
- elif arguments[1] in universe.files:
- message = "These are the elements in the \"" + arguments[1] + "\" file:$(eol)"
- elements = universe.files[arguments[1]].data.sections()
- elements.sort()
- for element in elements:
- message += "$(eol) $(grn)" + element + "$(nrm)"
- else: message = "Category \"" + arguments[1] + "\" does not exist."
- elif arguments[0] == "element":
- if len(arguments) != 2: message = "You must specify one element."
- elif arguments[1] in universe.contents:
- element = universe.contents[arguments[1]]
- message = "These are the properties of the \"" + arguments[1] + "\" element (in \"" + element.origin.filename + "\"):$(eol)"
- facets = element.facets()
- facets.sort()
- for facet in facets:
- message += "$(eol) $(grn)" + facet + ": $(red)" + escape_macros(element.get(facet)) + "$(nrm)"
- else: message = "Element \"" + arguments[1] + "\" does not exist."
- elif arguments[0] == "result":
- if len(arguments) < 2: message = "You need to specify an expression."
- else:
- try:
- message = repr(eval(" ".join(arguments[1:])))
- except:
- message = "Your expression raised an exception!"
- elif arguments[0] == "log":
- if len(arguments) == 4:
- if match("^\d+$", arguments[3]) and int(arguments[3]) >= 0:
- stop = int(arguments[3])
- else: stop = -1
- else: stop = 0
- if len(arguments) >= 3:
- if match("^\d+$", arguments[2]) and int(arguments[2]) > 0:
- start = int(arguments[2])
- else: start = -1
- else: start = 10
- if len(arguments) >= 2:
- if match("^\d+$", arguments[1]) and 0 <= int(arguments[1]) <= 9:
- level = int(arguments[1])
- else: level = -1
- elif 0 <= actor.owner.account.getint("loglevel") <= 9:
- level = actor.owner.account.getint("loglevel")
- else: level = 1
- if level > -1 and start > -1 and stop > -1:
- message = get_loglines(level, start, stop)
- else: message = "When specified, level must be 0-9 (default 1), start and stop must be >=1 (default 10 and 1)."
- else: message = "I don't know what \"" + parameters + "\" is."
- actor.send(message)
+ u"""Show program data."""
+ import re
+ message = u""
+ arguments = parameters.split()
+ if not parameters: message = u"What do you want to show?"
+ elif arguments[0] == u"time":
+ message = universe.categories[u"internal"][u"counters"].get(
+ u"elapsed"
+ ) + u" increments elapsed since the world was created."
+ elif arguments[0] == u"categories":
+ message = u"These are the element categories:$(eol)"
+ categories = universe.categories.keys()
+ categories.sort()
+ for category in categories:
+ message += u"$(eol) $(grn)" + category + u"$(nrm)"
+ elif arguments[0] == u"files":
+ message = u"These are the current files containing the universe:$(eol)"
+ filenames = universe.files.keys()
+ filenames.sort()
+ for filename in filenames:
+ if universe.files[filename].is_writeable(): status = u"rw"
+ else: status = u"ro"
+ message += u"$(eol) $(red)(" + status + u") $(grn)" + filename \
+ + u"$(nrm)"
+ elif arguments[0] == u"category":
+ if len(arguments) != 2: message = u"You must specify one category."
+ elif arguments[1] in universe.categories:
+ message = u"These are the elements in the \"" + arguments[1] \
+ + u"\" category:$(eol)"
+ elements = [
+ (
+ universe.categories[arguments[1]][x].key
+ ) for x in universe.categories[arguments[1]].keys()
+ ]
+ elements.sort()
+ for element in elements:
+ message += u"$(eol) $(grn)" + element + u"$(nrm)"
+ else: message = u"Category \"" + arguments[1] + u"\" does not exist."
+ elif arguments[0] == u"file":
+ if len(arguments) != 2: message = u"You must specify one file."
+ elif arguments[1] in universe.files:
+ message = u"These are the elements in the \"" + arguments[1] \
+ + u"\" file:$(eol)"
+ elements = universe.files[arguments[1]].data.sections()
+ elements.sort()
+ for element in elements:
+ message += u"$(eol) $(grn)" + element + u"$(nrm)"
+ else: message = u"Category \"" + arguments[1] + u"\" does not exist."
+ elif arguments[0] == u"element":
+ if len(arguments) != 2: message = u"You must specify one element."
+ elif arguments[1] in universe.contents:
+ element = universe.contents[arguments[1]]
+ message = u"These are the properties of the \"" + arguments[1] \
+ + u"\" element (in \"" + element.origin.filename + u"\"):$(eol)"
+ facets = element.facets()
+ facets.sort()
+ for facet in facets:
+ message += u"$(eol) $(grn)" + facet + u": $(red)" \
+ + escape_macros(element.get(facet)) + u"$(nrm)"
+ else: message = u"Element \"" + arguments[1] + u"\" does not exist."
+ elif arguments[0] == u"result":
+ if len(arguments) < 2: message = u"You need to specify an expression."
+ else:
+ try:
+ message = repr(eval(u" ".join(arguments[1:])))
+ except:
+ message = u"Your expression raised an exception!"
+ elif arguments[0] == u"log":
+ if len(arguments) == 4:
+ if re.match(u"^\d+$", arguments[3]) and int(arguments[3]) >= 0:
+ stop = int(arguments[3])
+ else: stop = -1
+ else: stop = 0
+ if len(arguments) >= 3:
+ if re.match(u"^\d+$", arguments[2]) and int(arguments[2]) > 0:
+ start = int(arguments[2])
+ else: start = -1
+ else: start = 10
+ if len(arguments) >= 2:
+ if re.match(u"^\d+$", arguments[1]) and 0 <= int(arguments[1]) <= 9:
+ level = int(arguments[1])
+ else: level = -1
+ elif 0 <= actor.owner.account.getint(u"loglevel") <= 9:
+ level = actor.owner.account.getint(u"loglevel")
+ else: level = 1
+ if level > -1 and start > -1 and stop > -1:
+ message = get_loglines(level, start, stop)
+ else:
+ message = u"When specified, level must be 0-9 (default 1), " \
+ + u"start and stop must be >=1 (default 10 and 1)."
+ else: message = u"I don't know what \"" + parameters + u"\" is."
+ actor.send(message)
def command_create(actor, parameters):
- """Create an element if it does not exist."""
- if not parameters: message = "You must at least specify an element to create."
- elif not actor.owner: message = ""
- else:
- arguments = parameters.split()
- if len(arguments) == 1: arguments.append("")
- if len(arguments) == 2:
- element, filename = arguments
- if element in universe.contents: message = "The \"" + element + "\" element already exists."
- else:
- message = "You create \"" + element + "\" within the universe."
- logline = actor.owner.account.get("name") + " created an element: " + element
- if filename:
- logline += " in file " + filename
- if filename not in universe.files:
- message += " Warning: \"" + filename + "\" is not yet included in any other file and will not be read on startup unless this is remedied."
- Element(element, universe, filename)
- log(logline, 6)
- elif len(arguments) > 2: message = "You can only specify an element and a filename."
- actor.send(message)
+ u"""Create an element if it does not exist."""
+ if not parameters:
+ message = u"You must at least specify an element to create."
+ elif not actor.owner: message = u""
+ else:
+ arguments = parameters.split()
+ if len(arguments) == 1: arguments.append(u"")
+ if len(arguments) == 2:
+ element, filename = arguments
+ if element in universe.contents:
+ message = u"The \"" + element + u"\" element already exists."
+ else:
+ message = u"You create \"" + element + u"\" within the universe."
+ logline = actor.owner.account.get(
+ u"name"
+ ) + u" created an element: " + element
+ if filename:
+ logline += u" in file " + filename
+ if filename not in universe.files:
+ message += u" Warning: \"" + filename \
+ + u"\" is not yet included in any other file and will " \
+ + u"not be read on startup unless this is remedied."
+ Element(element, universe, filename)
+ log(logline, 6)
+ elif len(arguments) > 2:
+ message = u"You can only specify an element and a filename."
+ actor.send(message)
def command_destroy(actor, parameters):
- """Destroy an element if it exists."""
- if actor.owner:
- if not parameters: message = "You must specify an element to destroy."
- else:
- if parameters not in universe.contents: message = "The \"" + parameters + "\" element does not exist."
- else:
- universe.contents[parameters].destroy()
- message = "You destroy \"" + parameters + "\" within the universe."
- log(actor.owner.account.get("name") + " destroyed an element: " + parameters, 6)
- actor.send(message)
+ u"""Destroy an element if it exists."""
+ if actor.owner:
+ if not parameters: message = u"You must specify an element to destroy."
+ else:
+ if parameters not in universe.contents:
+ message = u"The \"" + parameters + u"\" element does not exist."
+ else:
+ universe.contents[parameters].destroy()
+ message = u"You destroy \"" + parameters \
+ + u"\" within the universe."
+ log(
+ actor.owner.account.get(
+ u"name"
+ ) + u" destroyed an element: " + parameters,
+ 6
+ )
+ actor.send(message)
def command_set(actor, parameters):
- """Set a facet of an element."""
- if not parameters: message = "You must specify an element, a facet and a value."
- else:
- arguments = parameters.split(" ", 2)
- if len(arguments) == 1: message = "What facet of element \"" + arguments[0] + "\" would you like to set?"
- elif len(arguments) == 2: message = "What value would you like to set for the \"" + arguments[1] + "\" facet of the \"" + arguments[0] + "\" element?"
- else:
- element, facet, value = arguments
- if element not in universe.contents: message = "The \"" + element + "\" element does not exist."
- else:
- universe.contents[element].set(facet, value)
- message = "You have successfully (re)set the \"" + facet + "\" facet of element \"" + element + "\". Try \"show element " + element + "\" for verification."
- actor.send(message)
+ u"""Set a facet of an element."""
+ if not parameters:
+ message = u"You must specify an element, a facet and a value."
+ else:
+ arguments = parameters.split(u" ", 2)
+ if len(arguments) == 1:
+ message = u"What facet of element \"" + arguments[0] \
+ + u"\" would you like to set?"
+ elif len(arguments) == 2:
+ message = u"What value would you like to set for the \"" \
+ + arguments[1] + u"\" facet of the \"" + arguments[0] \
+ + u"\" element?"
+ else:
+ element, facet, value = arguments
+ if element not in universe.contents:
+ message = u"The \"" + element + u"\" element does not exist."
+ else:
+ universe.contents[element].set(facet, value)
+ message = u"You have successfully (re)set the \"" + facet \
+ + u"\" facet of element \"" + element \
+ + u"\". Try \"show element " + element + u"\" for verification."
+ actor.send(message)
def command_delete(actor, parameters):
- """Delete a facet from an element."""
- if not parameters: message = "You must specify an element and a facet."
- else:
- arguments = parameters.split(" ")
- if len(arguments) == 1: message = "What facet of element \"" + arguments[0] + "\" would you like to delete?"
- elif len(arguments) != 2: message = "You may only specify an element and a facet."
- else:
- element, facet = arguments
- if element not in universe.contents: message = "The \"" + element + "\" element does not exist."
- elif facet not in universe.contents[element].facets(): message = "The \"" + element + "\" element has no \"" + facet + "\" facet."
- else:
- universe.contents[element].remove_facet(facet)
- message = "You have successfully deleted the \"" + facet + "\" facet of element \"" + element + "\". Try \"show element " + element + "\" for verification."
- actor.send(message)
+ u"""Delete a facet from an element."""
+ if not parameters: message = u"You must specify an element and a facet."
+ else:
+ arguments = parameters.split(u" ")
+ if len(arguments) == 1:
+ message = u"What facet of element \"" + arguments[0] \
+ + u"\" would you like to delete?"
+ elif len(arguments) != 2:
+ message = u"You may only specify an element and a facet."
+ else:
+ element, facet = arguments
+ if element not in universe.contents:
+ message = u"The \"" + element + u"\" element does not exist."
+ elif facet not in universe.contents[element].facets():
+ message = u"The \"" + element + u"\" element has no \"" + facet \
+ + u"\" facet."
+ else:
+ universe.contents[element].remove_facet(facet)
+ message = u"You have successfully deleted the \"" + facet \
+ + u"\" facet of element \"" + element \
+ + u"\". Try \"show element " + element + u"\" for verification."
+ actor.send(message)
def command_error(actor, input_data):
- """Generic error for an unrecognized command word."""
+ u"""Generic error for an unrecognized command word."""
+ import random
- # 90% of the time use a generic error
- if randrange(10):
- message = "I'm not sure what \"" + input_data + "\" means..."
+ # 90% of the time use a generic error
+ if random.randrange(10):
+ message = u"I'm not sure what \"" + input_data + u"\" means..."
- # 10% of the time use the classic diku error
- else:
- message = "Arglebargle, glop-glyf!?!"
+ # 10% of the time use the classic diku error
+ else:
+ message = u"Arglebargle, glop-glyf!?!"
- # send the error message
- actor.send(message)
+ # send the error message
+ actor.send(message)
def daemonize():
- """Fork and disassociate from everything."""
- if universe.contents["internal:process"].getboolean("daemon"):
- import sys
- from resource import getrlimit, RLIMIT_NOFILE
- log("Disassociating from the controlling terminal.")
- if fork(): _exit(0)
- setsid()
- if fork(): _exit(0)
- chdir("/")
- umask(0)
- for stdpipe in range(3): close(stdpipe)
- sys.stdin = sys.__stdin__ = file("/dev/null", "r")
- sys.stdout = sys.stderr = sys.__stdout__ = sys.__stderr__ = file("/dev/null", "w")
+ u"""Fork and disassociate from everything."""
+ import codecs, os, sys
+ if universe.contents[u"internal:process"].getboolean(u"daemon"):
+ log(u"Disassociating from the controlling terminal.")
+ if os.fork(): os._exit(0)
+ os.setsid()
+ if os.fork(): os._exit(0)
+ os.chdir(u"/")
+ os.umask(0)
+ for stdpipe in range(3): os.close(stdpipe)
+ sys.stdin = codecs.open(u"/dev/null", u"r", u"utf-8")
+ sys.__stdin__ = codecs.open(u"/dev/null", u"r", u"utf-8")
+ sys.stdout = codecs.open(u"/dev/null", u"w", u"utf-8")
+ sys.stderr = codecs.open(u"/dev/null", u"w", u"utf-8")
+ sys.__stdout__ = codecs.open(u"/dev/null", u"w", u"utf-8")
+ sys.__stderr__ = codecs.open(u"/dev/null", u"w", u"utf-8")
def create_pidfile(universe):
- """Write a file containing the current process ID."""
- pid = str(getpid())
- log("Process ID: " + pid)
- file_name = universe.contents["internal:process"].get("pidfile")
- if file_name:
- if not isabs(file_name):
- file_name = path_join(universe.startdir, file_name)
- file_descriptor = file(file_name, 'w')
- file_descriptor.write(pid + "\n")
- file_descriptor.flush()
- file_descriptor.close()
+ u"""Write a file containing the current process ID."""
+ import codecs, os, os.path
+ pid = unicode(os.getpid())
+ log(u"Process ID: " + pid)
+ file_name = universe.contents[u"internal:process"].get(u"pidfile")
+ if file_name:
+ if not os.path.isabs(file_name):
+ file_name = os.path.join(universe.startdir, file_name)
+ file_descriptor = codecs.open(file_name, u"w", u"utf-8")
+ file_descriptor.write(pid + u"\n")
+ file_descriptor.flush()
+ file_descriptor.close()
def remove_pidfile(universe):
- """Remove the file containing the current process ID."""
- file_name = universe.contents["internal:process"].get("pidfile")
- if file_name:
- if not isabs(file_name):
- file_name = path_join(universe.startdir, file_name)
- if access(file_name, W_OK): remove(file_name)
-
-def excepthook(excepttype, value, traceback):
- """Handle uncaught exceptions."""
-
- # assemble the list of errors into a single string
- message = "".join(format_exception(excepttype, value, traceback))
-
- # try to log it, if possible
- try: log(message, 9)
- except: pass
-
- # try to write it to stderr, if possible
- try: stderr.write(message)
- except: pass
+ u"""Remove the file containing the current process ID."""
+ import os, os.path
+ file_name = universe.contents[u"internal:process"].get(u"pidfile")
+ if file_name:
+ if not os.path.isabs(file_name):
+ file_name = os.path.join(universe.startdir, file_name)
+ if os.access(file_name, os.W_OK): os.remove(file_name)
+
+def excepthook(excepttype, value, tracebackdata):
+ u"""Handle uncaught exceptions."""
+ import traceback
+
+ # assemble the list of errors into a single string
+ message = u"".join(
+ traceback.format_exception(excepttype, value, tracebackdata)
+ )
+
+ # try to log it, if possible
+ try: log(message, 9)
+ except: pass
+
+ # try to write it to stderr, if possible
+ try: sys.stderr.write(message)
+ except: pass
def sighook(what, where):
- """Handle external signals."""
+ u"""Handle external signals."""
+ import signal
- # a generic message
- message = "Caught signal: "
+ # a generic message
+ message = u"Caught signal: "
- # for a hangup signal
- if what == SIGHUP:
- message += "hangup (reloading)"
- universe.reload_flag = True
+ # for a hangup signal
+ if what == signal.SIGHUP:
+ message += u"hangup (reloading)"
+ universe.reload_flag = True
- # for a terminate signal
- elif what == SIGTERM:
- message += "terminate (halting)"
- universe.terminate_flag = True
+ # for a terminate signal
+ elif what == signal.SIGTERM:
+ message += u"terminate (halting)"
+ universe.terminate_flag = True
- # catchall for unexpected signals
- else: message += str(what) + " (unhandled)"
+ # catchall for unexpected signals
+ else: message += unicode(what) + u" (unhandled)"
- # log what happened
- log(message, 8)
+ # log what happened
+ log(message, 8)
# redefine sys.excepthook with ours
import sys
sys.excepthook = excepthook
# assign the sgnal handlers
-signal(SIGHUP, sighook)
-signal(SIGTERM, sighook)
+import signal
+signal.signal(signal.SIGHUP, sighook)
+signal.signal(signal.SIGTERM, sighook)
# if there is no universe, create an empty one
-if not "universe" in locals():
- if len(argv) > 1: conffile = argv[1]
- else: conffile = ""
- universe = Universe(conffile, True)
+if not u"universe" in locals():
+ if len(sys.argv) > 1: conffile = sys.argv[1]
+ else: conffile = u""
+ universe = Universe(conffile, True)
elif universe.reload_flag:
- universe = universe.new()
- reload_data()
+ universe = universe.new()
+ reload_data()
projects / mudpy.git / blobdiff