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Issue #7341: Close the internal file object in the TarFile

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constructor in case of an error.
This commit is contained in:
Lars Gustäbel 2009-11-18 20:24:54 +00:00
parent c029942ea0
commit 355538e5f5
2 changed files with 27 additions and 18 deletions
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42
Lib/tarfile.py
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@ -1557,27 +1557,33 @@ def __init__(self, name=None, mode="r", fileobj=None, format=None,
self.inodes = {} # dictionary caching the inodes of
# archive members already added
if self.mode == "r":
self.firstmember = None
self.firstmember = self.next()
try:
if self.mode == "r":
self.firstmember = None
self.firstmember = self.next()
if self.mode == "a":
# Move to the end of the archive,
# before the first empty block.
self.firstmember = None
while True:
if self.next() is None:
if self.offset > 0:
self.fileobj.seek(- BLOCKSIZE, 1)
break
if self.mode == "a":
# Move to the end of the archive,
# before the first empty block.
self.firstmember = None
while True:
if self.next() is None:
if self.offset > 0:
self.fileobj.seek(- BLOCKSIZE, 1)
break
if self.mode in "aw":
self._loaded = True
if self.mode in "aw":
self._loaded = True
if self.pax_headers:
buf = self.tarinfo.create_pax_global_header(self.pax_headers.copy())
self.fileobj.write(buf)
self.offset += len(buf)
if self.pax_headers:
buf = self.tarinfo.create_pax_global_header(self.pax_headers.copy())
self.fileobj.write(buf)
self.offset += len(buf)
except:
if not self._extfileobj:
self.fileobj.close()
self.closed = True
raise
def _getposix(self):
return self.format == USTAR_FORMAT

3
Misc/NEWS
View file

@ -440,6 +440,9 @@ Core and Builtins
Library
-------
- Issue #7341: Close the internal file object in the TarFile constructor in
case of an error.
- Issue #7293: distutils.test_msvc9compiler is fixed to work on any fresh
Windows box. Help provided by David Bolen.