Retire github mirror, repo moved to opendevHEADmaster

1 files changed, 0 insertions, 36 deletions

diff --git a/migrate/versioning/util/keyedinstance.py b/migrate/versioning/util/keyedinstance.py
deleted file mode 100644
index a692e08..0000000
--- a/migrate/versioning/util/keyedinstance.py
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-class KeyedInstance(object):
-    """A class whose instances have a unique identifier of some sort
-    No two instances with the same unique ID should exist - if we try to create
-    a second instance, the first should be returned.
-    """
-
-    _instances = dict()
-
-    def __new__(cls, *p, **k):
-        instances = cls._instances
-        clskey = str(cls)
-        if clskey not in instances:
-            instances[clskey] = dict()
-        instances = instances[clskey]
-
-        key = cls._key(*p, **k)
-        if key not in instances:
-            instances[key] = super(KeyedInstance, cls).__new__(cls)
-        return instances[key]
-
-    @classmethod
-    def _key(cls, *p, **k):
-        """Given a unique identifier, return a dictionary key
-        This should be overridden by child classes, to specify which parameters
-        should determine an object's uniqueness
-        """
-        raise NotImplementedError()
-
-    @classmethod
-    def clear(cls):
-        # Allow cls.clear() as well as uniqueInstance.clear(cls)
-        if str(cls) in cls._instances:
-            del cls._instances[str(cls)]