"""Core objects for the mudpy engine."""
-# Copyright (c) 2006 mudpy, Jeremy Stanley <fungi@yuggoth.org>, all rights reserved.
-# Licensed per terms in the LICENSE file distributed with this software.
+# Copyright (c) 2005, 2006 Jeremy Stanley <fungi@yuggoth.org>. All rights
+# reserved. Licensed per terms in the LICENSE file distributed with this
+# software.
# import some things we need
from ConfigParser import RawConfigParser
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
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)
# tack on a prompt if active
if self.state == "active":
if not just_prompt: output += "$(eol)"
- if add_prompt: output += "> "
+ if add_prompt:
+ output += "> "
+ mode = self.avatar.get("mode")
+ if mode: output += "(" + mode + ") "
# find and replace macros in the output
output = replace_macros(self, output)
"""Have the active avatar leave the world."""
if self.avatar:
current = self.avatar.get("location")
- self.avatar.set("default_location", current)
- self.avatar.echo_to_location("You suddenly wonder where " + self.avatar.get("name") + " went.")
- del universe.contents[current].contents[self.avatar.key]
- self.avatar.remove_facet("location")
+ if current:
+ self.avatar.set("default_location", current)
+ self.avatar.echo_to_location("You suddenly wonder where " + self.avatar.get("name") + " went.")
+ del universe.contents[current].contents[self.avatar.key]
+ self.avatar.remove_facet("location")
self.avatar.owner = None
self.avatar = None
# a couple references we need
file_name = universe.categories["internal"]["logging"].get("file")
- if not isabs(file_name):
- file_name = path_join(universe.startdir, file_name)
max_log_lines = universe.categories["internal"]["logging"].getint("max_log_lines")
syslog_name = universe.categories["internal"]["logging"].get("syslog")
timestamp = asctime()[4:19]
# send the timestamp and line to a file
if file_name:
+ if not isabs(file_name):
+ file_name = path_join(universe.startdir, file_name)
file_descriptor = file(file_name, "a")
for line in lines: file_descriptor.write(timestamp + " " + line + "\n")
file_descriptor.flush()
message = "There are " + str(total_count)
message += " log lines in memory and " + str(filtered_count)
message += " at or above level " + str(level) + "."
- message += " The lines from " + str(stop) + " to " + str(start)
- message += " are:$(eol)$(eol)"
+ message += " The matching lines from " + str(stop) + " to "
+ message += str(start) + " are:$(eol)$(eol)"
# add the text from the selected lines
if stop > 1: range_lines = loglines[-start:-(stop-1)]
"""Escapes replacement macros in text."""
return text.replace("$(", "$_(")
+def first_word(text, separator=" "):
+ """Returns a tuple of the first word and the rest."""
+ if text:
+ if text.find(separator) > 0: return text.split(separator, 1)
+ else: return text, ""
+ else: return "", ""
+
def on_pulse():
"""The things which should happen on each pulse, aside from reloads."""
# iterate over the connected users
for user in universe.userlist: user.pulse()
+ # add an element for counters if it doesn't exist
+ if not "counters" in universe.categories["internal"]:
+ universe.categories["internal"]["counters"] = Element("internal:counters", universe)
+
# update the log every now and then
if not universe.categories["internal"]["counters"].getint("mark"):
log(str(len(universe.userlist)) + " connection(s)")
# is there input?
if input_data:
- # split out the command (first word) and parameters (everything else)
- if input_data.find(" ") > 0:
- command_name, parameters = input_data.split(" ", 1)
+ # split out the command and parameters
+ actor = user.avatar
+ mode = actor.get("mode")
+ if mode and input_data.startswith("!"):
+ command_name, parameters = first_word(input_data[1:])
+ elif mode == "chat":
+ command_name = "say"
+ parameters = input_data
else:
- command_name = input_data
- parameters = ""
+ command_name, parameters = first_word(input_data)
# lowercase the command
command_name = command_name.lower()
else: command = None
# if it's allowed, do it
- actor = user.avatar
if actor.can_run(command): exec(command.get("action"))
# otherwise, give an error
help_text = "No help is provided for this command."
output += help_text
+ # list related commands
+ see_also = command.getlist("see_also")
+ if see_also:
+ really_see_also = ""
+ for item in see_also:
+ if item in universe.categories["command"]:
+ command = universe.categories["command"][item]
+ if actor.can_run(command):
+ if really_see_also:
+ really_see_also += ", "
+ if command.getboolean("administrative"):
+ really_see_also += "$(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."
# the user entered a message
elif parameters:
- # get rid of quote marks on the ends of the message and
- # capitalize the first letter
+ # get rid of quote marks on the ends of the message
message = parameters.strip("\"'`")
- message = message[0].capitalize() + message[1:]
-
- # a dictionary of punctuation:action pairs
- actions = {}
- for facet in universe.categories["internal"]["language"].facets():
- if facet.startswith("punctuation_"):
- action = facet.split("_")[1]
- for mark in universe.categories["internal"]["language"].getlist(facet):
- actions[mark] = action
# 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 = actions[default_punctuation]
+ action = ""
for mark in actions.keys():
- if message.endswith(mark) and mark != default_punctuation:
+ if message.endswith(mark):
action = actions[mark]
break
- # if the action is default and there is no mark, add one
- if action == actions[default_punctuation] and not message.endswith(default_punctuation):
- message += default_punctuation
+ # 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 a list of words within the message
- capitalize_words = universe.categories["internal"]["language"].getlist("capitalize_words")
- for word in capitalize_words:
- message = message.replace(" " + word + " ", " " + word.capitalize() + " ")
+ # capitalize the first letter
+ message = message[0].upper() + message[1:]
# tell the room
actor.echo_to_location(actor.get("name") + " " + action + "s, \"" + message + "\"")
else:
actor.send("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!")
+
def command_show(actor, parameters):
"""Show program data."""
message = ""
pid = str(getpid())
log("Process ID: " + pid)
file_name = universe.contents["internal:process"].get("pidfile")
- if not isabs(file_name):
- file_name = path_join(universe.startdir, file_name)
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()
def remove_pidfile(universe):
"""Remove the file containing the current process ID."""
file_name = universe.contents["internal:process"].get("pidfile")
- if not isabs(file_name):
- file_name = path_join(universe.startdir, file_name)
- if file_name and access(file_name, W_OK): remove(file_name)
+ 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."""