[pypy-commit] cffi alex_gaynor/handle-the-case-where-someone-has-made-i-1391634819444: Handle the case where someone has made `import weakref` return a weird proxy.

[alex_gaynor]

Author: Alex Gaynor <alex.gay...@gmail.com>
Branch: alex_gaynor/handle-the-case-where-someone-has-made-i-1391634819444
Changeset: r1461:b90a5f638975
Date: 2014-02-05 21:13 +0000
http://bitbucket.org/cffi/cffi/changeset/b90a5f638975/

Log:    Handle the case where someone has made `import weakref` return a
        weird proxy.

        Fixes: https://bugs.pypy.org/issue1688

diff --git a/cffi/model.py b/cffi/model.py
--- a/cffi/model.py
+++ b/cffi/model.py
@@ -1,4 +1,6 @@
+import types
 import weakref
+
 from .lock import allocate_lock
 
 
@@ -469,8 +471,7 @@
         # initialize the __typecache attribute, either at the module level
         # if ffi._backend is a module, or at the class level if ffi._backend
         # is some instance.
-        ModuleType = type(weakref)
-        if isinstance(ffi._backend, ModuleType):
+        if isinstance(ffi._backend, types.ModuleType):
             ffi._backend.__typecache = weakref.WeakValueDictionary()
         else:
             type(ffi._backend).__typecache = weakref.WeakValueDictionary()
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