/usr/share/pyshared/irc/dict.py is in python-irc 8.5.3+dfsg-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 | from __future__ import unicode_literals
import six
from . import strings
# from jaraco.util.dictlib
class KeyTransformingDict(dict):
"""
A dict subclass that transforms the keys before they're used.
Subclasses may override the default key_transform to customize behavior.
"""
@staticmethod
def key_transform(key):
return key
def __init__(self, *args, **kargs):
super(KeyTransformingDict, self).__init__()
# build a dictionary using the default constructs
d = dict(*args, **kargs)
# build this dictionary using transformed keys.
for item in d.items():
self.__setitem__(*item)
def __setitem__(self, key, val):
key = self.key_transform(key)
super(KeyTransformingDict, self).__setitem__(key, val)
def __getitem__(self, key):
key = self.key_transform(key)
return super(KeyTransformingDict, self).__getitem__(key)
def __contains__(self, key):
key = self.key_transform(key)
return super(KeyTransformingDict, self).__contains__(key)
def __delitem__(self, key):
key = self.key_transform(key)
return super(KeyTransformingDict, self).__delitem__(key)
def setdefault(self, key, *args, **kwargs):
key = self.key_transform(key)
return super(KeyTransformingDict, self).setdefault(key, *args, **kwargs)
def pop(self, key, *args, **kwargs):
key = self.key_transform(key)
return super(KeyTransformingDict, self).pop(key, *args, **kwargs)
class IRCDict(KeyTransformingDict):
"""
A dictionary of names whose keys are case-insensitive according to the
IRC RFC rules.
>>> d = IRCDict({'[This]': 'that'}, A='foo')
The dict maintains the original case:
>>> '[This]' in ''.join(d.keys())
True
But the keys can be referenced with a different case
>>> d['a'] == 'foo'
True
>>> d['{this}'] == 'that'
True
>>> d['{THIS}'] == 'that'
True
>>> '{thiS]' in d
True
This should work for operations like delete and pop as well.
>>> d.pop('A') == 'foo'
True
>>> del d['{This}']
>>> len(d)
0
"""
@staticmethod
def key_transform(key):
if isinstance(key, six.string_types):
key = strings.IRCFoldedCase(key)
return key
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