IndexObjects are now checking their slots to raise a proper error message in case someone tries to access an unset path or mode - this information cannot be retrieved afterwards as IndexObject information is kept in the object that pointed at them. To find this information, one would have to search all objects which is not feasible

Author: Byron

lib/git/objects/base.py

@@ -120,8 +120,15 @@ def __init__(self, repo, id, mode=None, path=None):
 		if isinstance(mode, basestring):
 			self.mode = self._mode_str_to_int(mode)
 
+	def _set_cache_(self, attr):
+		if attr in self.__slots__:
+			# they cannot be retrieved lateron ( not without searching for them )
+			raise AttributeError( "path and mode attributes must have been set during %s object creation" % type(self).__name__ )
+		else:
+			super(IndexObject, self)._set_cache_(attr)
+	
 	@classmethod
-	def _mode_str_to_int( cls, modestr ):
+	def _mode_str_to_int(cls, modestr):
 		"""
 		``modestr``
 			string like 755 or 644 or 100644 - only the last 3 chars will be used