/usr/lib/python3/dist-packages/aeidon/mutables.py is in python3-aeidon 1.3.1-1.
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# Copyright (C) 2006 Osmo Salomaa
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""Observable versions of built-in mutable objects."""
import copy
import functools
__all__ = ("ObservableDict", "ObservableList", "ObservableSet",)
def _mutation(function):
"""Decorator for sending a notification after mutating object."""
@functools.wraps(function)
def wrapper(*args, **kwargs):
value = function(*args, **kwargs)
args[0].master.notify(args[0].name)
return value
return wrapper
class ObservableDict(dict):
"""
Observable version of ``dict``.
:ivar master: Master instance with a ``notify`` method
:ivar name: Argument passed when calling :attr:`master`'s ``notify`` method
"""
def __init__(self, *args, **kwargs):
dict.__init__(self, *args[:-2], **kwargs)
self.master = args[-2]
self.name = args[-1]
def __copy__(self):
dic = dict(copy.copy(x) for x in self.items())
return self.__class__(dic, self.master, self.name)
def __deepcopy__(self, memo):
dic = dict(copy.deepcopy(x) for x in self.items())
return self.__class__(dic, self.master, self.name)
@_mutation
def __delitem__(self, *args, **kwargs):
return dict.__delitem__(self, *args, **kwargs)
@_mutation
def __setitem__(self, *args, **kwargs):
return dict.__setitem__(self, *args, **kwargs)
@_mutation
def clear(self, *args, **kwargs):
return dict.clear(self, *args, **kwargs)
@_mutation
def pop(self, *args, **kwargs):
return dict.pop(self, *args, **kwargs)
@_mutation
def popitem(self, *args, **kwargs):
return dict.popitem(self, *args, **kwargs)
@_mutation
def setdefault(self, *args, **kwargs):
return dict.setdefault(self, *args, **kwargs)
@_mutation
def update(self, *args, **kwargs):
return dict.update(self, *args, **kwargs)
class ObservableList(list):
"""
Observable version of ``list``.
:ivar master: Master instance with a ``notify`` method
:ivar name: Argument passed when calling :attr:`master`'s ``notify`` method
"""
def __init__(self, *args, **kwargs):
list.__init__(self, *args[:-2], **kwargs)
self.master = args[-2]
self.name = args[-1]
def __copy__(self):
lst = list(copy.copy(x) for x in self)
return self.__class__(lst, self.master, self.name)
def __deepcopy__(self, memo):
lst = [copy.deepcopy(x) for x in self]
return self.__class__(lst, self.master, self.name)
@_mutation
def __delitem__(self, *args, **kwargs):
return list.__delitem__(self, *args, **kwargs)
@_mutation
def __iadd__(self, *args, **kwargs):
return list.__iadd__(self, *args, **kwargs)
@_mutation
def __imul__(self, *args, **kwargs):
return list.__imul__(self, *args, **kwargs)
@_mutation
def __setitem__(self, *args, **kwargs):
return list.__setitem__(self, *args, **kwargs)
@_mutation
def append(self, *args, **kwargs):
return list.append(self, *args, **kwargs)
@_mutation
def extend(self, *args, **kwargs):
return list.extend(self, *args, **kwargs)
@_mutation
def insert(self, *args, **kwargs):
return list.insert(self, *args, **kwargs)
@_mutation
def pop(self, *args, **kwargs):
return list.pop(self, *args, **kwargs)
@_mutation
def remove(self, *args, **kwargs):
return list.remove(self, *args, **kwargs)
@_mutation
def reverse(self, *args, **kwargs):
return list.reverse(self, *args, **kwargs)
@_mutation
def sort(self, *args, **kwargs):
return list.sort(self, *args, **kwargs)
class ObservableSet(set):
"""
Observable version of ``set``.
:ivar master: Master instance with a ``notify`` method
:ivar name: Argument passed when calling :attr:`master`'s ``notify`` method
"""
def __init__(self, *args, **kwargs):
set.__init__(self, *args[:-2], **kwargs)
self.master = args[-2]
self.name = args[-1]
def __copy__(self):
zet = set(copy.copy(x) for x in self)
return self.__class__(zet, self.master, self.name)
def __deepcopy__(self, memo):
zet = set(copy.deepcopy(x) for x in self)
return self.__class__(zet, self.master, self.name)
@_mutation
def __iand__(self, *args, **kwargs):
return set.__iand__(self, *args, **kwargs)
@_mutation
def __ior__(self, *args, **kwargs):
return set.__ior__(self, *args, **kwargs)
@_mutation
def __isub__(self, *args, **kwargs):
return set.__isub__(self, *args, **kwargs)
@_mutation
def __ixor__(self, *args, **kwargs):
return set.__ixor__(self, *args, **kwargs)
@_mutation
def add(self, *args, **kwargs):
return set.add(self, *args, **kwargs)
@_mutation
def clear(self, *args, **kwargs):
return set.clear(self, *args, **kwargs)
@_mutation
def difference_update(self, *args, **kwargs):
return set.difference_update(self, *args, **kwargs)
@_mutation
def discard(self, *args, **kwargs):
return set.discard(self, *args, **kwargs)
@_mutation
def intersection_update(self, *args, **kwargs):
return set.intersection_update(self, *args, **kwargs)
@_mutation
def pop(self, *args, **kwargs):
return set.pop(self, *args, **kwargs)
@_mutation
def remove(self, *args, **kwargs):
return set.remove(self, *args, **kwargs)
@_mutation
def symmetric_difference_update(self, *args, **kwargs):
return set.symmetric_difference_update(self, *args, **kwargs)
@_mutation
def update(self, *args, **kwargs):
return set.update(self, *args, **kwargs)
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