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structures: implement _from_iterable() so that set operations work

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This commit is contained in:
James Lu 2019-11-29 23:35:52 -08:00
parent 1a89813cd4
commit 7eff7861ed
1 changed files with 14 additions and 3 deletions
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17
structures.py
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@ -42,7 +42,7 @@ class CopyWrapper():
def __deepcopy__(self, memo):
"""Returns a deep copy of the channel object."""
newobj = copy(self)
log.debug('CopyWrapper: _BLACKLISTED_COPY_TYPES = %s', _BLACKLISTED_COPY_TYPES)
#log.debug('CopyWrapper: _BLACKLISTED_COPY_TYPES = %s', _BLACKLISTED_COPY_TYPES)
for attr, val in self.__dict__.items():
# We can't pickle IRCNetwork, so just return a reference of it.
if not isinstance(val, tuple(_BLACKLISTED_COPY_TYPES)):
@ -64,7 +64,6 @@ class CaseInsensitiveFixedSet(collections.abc.Set, CopyWrapper):
def __init__(self, *, data=None):
if data is not None:
assert isinstance(data, set)
self._data = data
else:
self._data = set()
@ -76,6 +75,11 @@ class CaseInsensitiveFixedSet(collections.abc.Set, CopyWrapper):
return key.lower()
return key
@classmethod
def _from_iterable(cls, it):
"""Returns a new iterable instance given the data in 'it'."""
return cls(data=it)
def __repr__(self):
return "%s(%s)" % (self.__class__.__name__, self._data)
@ -97,7 +101,6 @@ class CaseInsensitiveDict(collections.abc.MutableMapping, CaseInsensitiveFixedSe
"""
def __init__(self, *, data=None):
if data is not None:
assert isinstance(data, dict)
self._data = data
else:
self._data = {}
@ -127,6 +130,10 @@ class IRCCaseInsensitiveDict(CaseInsensitiveDict):
return self._irc.to_lower(key)
return key
def _from_iterable(self, it):
"""Returns a new iterable instance given the data in 'it'."""
return self.__class__(self._irc, data=it)
def __copy__(self):
return self.__class__(self._irc, data=self._data.copy())
@ -155,6 +162,10 @@ class IRCCaseInsensitiveSet(CaseInsensitiveSet):
return self._irc.to_lower(key)
return key
def _from_iterable(self, it):
"""Returns a new iterable instance given the data in 'it'."""
return self.__class__(self._irc, data=it)
def __copy__(self):
return self.__class__(self._irc, data=self._data.copy())