GitPython/lib/git/lazy.py at 0.1 · og-python-scripts/GitPython · GitHub

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# lazy.py

# This module is part of GitPython and is released under

# the BSD License: http://www.opensource.org/licenses/bsd-license.php

class LazyMixin(object):

lazy_properties = []

def __init__(self):

self.__baked__ = False

def __getattribute__(self, attr):

val = object.__getattribute__(self, attr)

if val is not None:

return val

else:

self.__prebake__()

return object.__getattribute__(self, attr)

def __bake__(self):

""" This method should be overridden in the derived class. """

raise NotImplementedError(" '__bake__' method has not been implemented.")

def __prebake__(self):

if self.__baked__:

return

self.__bake__()

self.__baked__ = True

def __bake_it__(self):

self.__baked__ = True