[issue11664] Add patch method to unittest.TestCase

[Pablo Mouzo]

Pablo Mouzo <pablomouzo at gmail.com> added the comment:

I'm attaching a draft patch for patch. Éric, is this patch implementing patch as you expected?

This patch is not finished because there are many cases where patch can leave patched objects if it fails to unpatch.

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keywords: +patch
nosy: +pablomouzo
Added file: http://bugs.python.org/file21412/patch.diff

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