/usr/lib/python2.7/dist-packages/gtkmvc/observable.py is in python-gtkmvc 1.99.1-1.1.
This file is owned by root:root, with mode 0o644.
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# Author: Roberto Cavada <roboogle@gmail.com>
#
# Copyright (C) 2006 by Roberto Cavada
#
# pygtkmvc is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# pygtkmvc 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# 51 Franklin Street, Fifth Floor,
# Boston, MA 02110, USA.ridge, MA 02139, USA.
#
# For more information on pygtkmvc see <http://pygtkmvc.sourceforge.net>
# or email to the author <roboogle@gmail.com>.
# -------------------------------------------------------------------------
from support import decorators, log
from support.wrappers import ObsWrapperBase
# ----------------------------------------------------------------------
class Observable (ObsWrapperBase):
@classmethod
@decorators.good_classmethod_decorator
def observed(cls, _func):
"""
Decorate methods to be observable. If they are called on an instance
stored in a property, the model will emit before and after
notifications.
"""
def wrapper(*args, **kwargs):
self = args[0]
assert(isinstance(self, Observable))
self._notify_method_before(self, _func.__name__, args, kwargs)
res = _func(*args, **kwargs)
self._notify_method_after(self, _func.__name__, res, args, kwargs)
return res
return wrapper
def __init__(self):
ObsWrapperBase.__init__(self)
return
pass # end of class
@decorators.good_decorator
def observed(func):
"""
Just like :meth:`Observable.observed`.
.. deprecated:: 1.99.1
"""
def wrapper(*args, **kwargs):
self = args[0]
assert(isinstance(self, Observable))
self._notify_method_before(self, func.__name__, args, kwargs)
res = func(*args, **kwargs)
self._notify_method_after(self, func.__name__, res, args, kwargs)
return res
log.logger.warning("Decorator observable.observed is deprecated:"
"use Observable.observed instead")
return wrapper
# ----------------------------------------------------------------------
class Signal (Observable):
"""Base class for signals properties"""
def __init__(self):
Observable.__init__(self)
return
def emit(self, arg=None):
"""Emits the signal, passing the optional argument"""
for model,name in self.__get_models__():
model.notify_signal_emit(name, arg)
pass
return
pass # end of class
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