Merged revisions 80833 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r80833 | tarek.ziade | 2010-05-06 00:27:31 +0200 (Thu, 06 May 2010) | 9 lines

  Merged revisions 80830 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

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    r80830 | tarek.ziade | 2010-05-06 00:15:31 +0200 (Thu, 06 May 2010) | 1 line

    Fixed #4265: shutil.copyfile() was leaking file descriptors when disk fills
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diff --git a/Lib/shutil.py b/Lib/shutil.py
index 78504b9..2befb47 100644
--- a/Lib/shutil.py
+++ b/Lib/shutil.py
@@ -63,15 +63,10 @@
             # XXX What about other special files? (sockets, devices...)
             if stat.S_ISFIFO(st.st_mode):
                 raise SpecialFileError("`%s` is a named pipe" % fn)
-    try:
-        fsrc = open(src, 'rb')
-        fdst = open(dst, 'wb')
-        copyfileobj(fsrc, fdst)
-    finally:
-        if fdst:
-            fdst.close()
-        if fsrc:
-            fsrc.close()
+
+    with open(src, 'rb') as fsrc:
+        with open(dst, 'wb') as fdst:
+            copyfileobj(fsrc, fdst)
 
 def copymode(src, dst):
     """Copy mode bits from src to dst"""