Merged revisions 80830 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

........
  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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1 files changed, 3 insertions, 9 deletions

diff --git a/Lib/shutil.py b/Lib/shutil.py
index 601d9c2..74a4db8 100644
--- a/Lib/shutil.py
+++ b/Lib/shutil.py
@@ -96,15 +96,9 @@ def copyfile(src, dst):
             # 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"""