Renamed lazy.py to base.py to have a file for base classes - lazy not yet changed to allow proper rename tracking

1 files changed, 32 insertions, 0 deletions

diff --git a/lib/git/base.py b/lib/git/base.py
new file mode 100644
index 00000000..5e470181
--- /dev/null
+++ b/lib/git/base.py
@@ -0,0 +1,32 @@
+# lazy.py
+# Copyright (C) 2008, 2009 Michael Trier (mtrier@gmail.com) and contributors
+#
+# 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