From 33ebe7acec14b25c5f84f35a664803fcab2f7781 Mon Sep 17 00:00:00 2001 From: Michael Trier Date: Wed, 7 May 2008 16:49:48 -0400 Subject: initial project --- lib/git_python/lazy.py | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 lib/git_python/lazy.py (limited to 'lib/git_python/lazy.py') diff --git a/lib/git_python/lazy.py b/lib/git_python/lazy.py new file mode 100644 index 00000000..f6d31e8d --- /dev/null +++ b/lib/git_python/lazy.py @@ -0,0 +1,26 @@ +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 -- cgit v1.2.1