commit e49af341518ba22186fc523ec23ccff462ab439e
author Alexander Belopolsky <alexander.belopolsky@gmail.com> Sun Mar 01 15:08:17 2015 -0500
committer Alexander Belopolsky <alexander.belopolsky@gmail.com> Sun Mar 01 15:08:17 2015 -0500
tree 0c426b6e661d637c14c2d9c467a99580b985fb4a
parent e2e178e081a621d2c1fd8ceb65ce7735b3036def

Issue #7830: Flatten nested functools.partial.

Lib/functools.py

diff --git a/Lib/functools.py b/Lib/functools.py
index 20a26f9..91e9685 100644
--- a/Lib/functools.py
+++ b/Lib/functools.py
@@ -241,6 +241,14 @@
     """New function with partial application of the given arguments
     and keywords.
     """
+    if hasattr(func, 'func'):
+        args = func.args + args
+        tmpkw = func.keywords.copy()
+        tmpkw.update(keywords)
+        keywords = tmpkw
+        del tmpkw
+        func = func.func
+
     def newfunc(*fargs, **fkeywords):
         newkeywords = keywords.copy()
         newkeywords.update(fkeywords)