Author: Alex Gaynor <[email protected]>
Branch: stdlib-2.7.8
Changeset: r72993:505a10d18c25
Date: 2014-08-22 22:47 -0700
http://bitbucket.org/pypy/pypy/changeset/505a10d18c25/
Log: Fixed a crash in BufferedRWPair
diff --git a/pypy/module/_io/interp_bufferedio.py
b/pypy/module/_io/interp_bufferedio.py
--- a/pypy/module/_io/interp_bufferedio.py
+++ b/pypy/module/_io/interp_bufferedio.py
@@ -919,9 +919,17 @@
@func_renamer(method + '_w')
def method_w(self, space, __args__):
if writer:
+ if self.w_writer is None:
+ raise OperationError(
+ space.w_ValueError, "I/O operation on uninitialized object"
+ )
w_meth = space.getattr(self.w_writer, space.wrap(method))
w_result = space.call_args(w_meth, __args__)
if reader:
+ if self.w_reader is None:
+ raise OperationError(
+ space.w_ValueError, "I/O operation on uninitialized object"
+ )
w_meth = space.getattr(self.w_reader, space.wrap(method))
w_result = space.call_args(w_meth, __args__)
return w_result
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