From patchwork Mon Dec 15 00:37:52 2014
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Subject: [4,of,8] namespaces: pass repo to __init__
From: Sean Farley <sean.michael.farley@gmail.com>
X-Patchwork-Id: 7097
Message-Id: <4d7a45c8487a63ac5497.1418603872@laptop.local>
To: mercurial-devel@selenic.com
Date: Sun, 14 Dec 2014 16:37:52 -0800

# HG changeset patch
# User Sean Farley <sean.michael.farley@gmail.com>
# Date 1418600157 28800
#      Sun Dec 14 15:35:57 2014 -0800
# Node ID 4d7a45c8487a63ac54971c4dbeddf2dac922a91f
# Parent  519aa5b4f74d5604b2d3d34c4e75b99d698b01b5
namespaces: pass repo to __init__

We store repo as a weakref so that we can prevent a cycle between namespaces
and localrepo.

diff --git a/mercurial/namespaces.py b/mercurial/namespaces.py
--- a/mercurial/namespaces.py
+++ b/mercurial/namespaces.py
@@ -1,6 +1,7 @@
 from mercurial import util
+import weakref
 
 def multify(val):
     """
     a convenience method to return an empty list instead of None
     """
@@ -39,12 +40,13 @@ class namespaces(object):
       'nodemap': function that inputs a node and returns a list of names
     """
 
     _names_version = 0
 
-    def __init__(self):
+    def __init__(self, repo):
         self._names = util.sortdict()
+        self._repo = weakref.ref(repo)
 
     def addnamespace(self, namespace, singular, names, namemap, nodemap,
                      order=None):
         """
         register a namespace