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diff mercurial/ui.py @ 29762:96bd27eb23f0

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ui: drop values returned by inspect.*frame*() to avoid cycles "f = inspect.currentframe()" instantly creates a cycle because "f.f_locals['f']" is "f" itself. This patch explicitly sets those frame objects to None to avoid cycles.
author Jun Wu <quark@fb.com>
date Wed, 10 Aug 2016 15:05:20 +0100
parents 31d3ab7985b8
children 3d2ea1403c62
line wrap: on
line diff
--- a/mercurial/ui.py	Tue Aug 09 16:45:28 2016 +0100
+++ b/mercurial/ui.py	Wed Aug 10 15:05:20 2016 +0100
@@ -1175,6 +1175,7 @@
                            % ((msg,) + calframe[stacklevel][1:4]))
             self.log('develwarn', '%s at: %s:%s (%s)\n',
                      msg, *calframe[stacklevel][1:4])
+            curframe = calframe = None  # avoid cycles
 
     def deprecwarn(self, msg, version):
         """issue a deprecation warning