"""Data interface functions for the mudpy engine."""
-# Copyright (c) 2004-2015 Jeremy Stanley <fungi@yuggoth.org>. Permission
+# Copyright (c) 2004-2016 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.
class DataFile:
- """A file containing universe elements."""
+ """A file containing universe elements and their facets."""
def __init__(self, filename, universe):
self.filename = filename
self.load()
def load(self):
- """Read a file and create elements accordingly."""
+ """Read a file, create elements and poplulate facets accordingly."""
self.modified = False
try:
- self.data = yaml.load(open(self.filename))
+ self.data = yaml.safe_load(open(self.filename))
except FileNotFoundError:
# it's normal if the file is one which doesn't exist yet
log_entry = ("File %s is unavailable." % self.filename, 6)
includes.append(item)
if item not in self.universe.private_files:
self.universe.private_files.append(item)
- for element in self.data:
- if element != "__control__":
- mudpy.misc.Element(element, self.universe, self.filename)
+ for node in list(self.data):
+ if node == "__control__":
+ continue
+ facet_pos = node.rfind(".") + 1
+ if not facet_pos:
+ mudpy.misc.Element(node, self.universe, self.filename,
+ old_style=True)
+ else:
+ prefix = node[:facet_pos].strip(".")
+ try:
+ element = self.universe.contents[prefix]
+ except KeyError:
+ element = mudpy.misc.Element(prefix, self.universe,
+ self.filename)
+ element.set(node[facet_pos:], self.data[node])
for include_file in includes:
if not os.path.isabs(include_file):
include_file = find_file(
"__control__"]:
max_count = self.data["__control__"]["backup_count"]
else:
- max_count = self.universe.categories[
- "internal"
- ][
- "limits"
- ].get("default_backup_count")
+ max_count = self.universe.contents["mudpy.limit"].get(
+ "backups")
if os.path.exists(self.filename) and max_count:
backups = []
for candidate in os.listdir(os.path.dirname(self.filename)):
os.umask(old_umask)
# write and close the file
- yaml.dump(self.data, allow_unicode=True, default_flow_style=False,
- stream=file_descriptor)
+ yaml.safe_dump(self.data, allow_unicode=True,
+ default_flow_style=False, stream=file_descriptor)
file_descriptor.close()
# unset the modified flag
else:
search_path = search_path[:]
- # if there's no default path, use the last element of the search path
+ # if there's no default path, use the last component of the search path
if not default_dir:
default_dir = search_path[-1]