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Patch #1504073: Fix tarfile.open() for mode "r" with a fileobj argument.

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Backport from rev. 53161.
This commit is contained in:
Lars Gustäbel 2006-12-27 10:36:58 +00:00
parent 12e087a1b1
commit f9a2c63c79
3 changed files with 16 additions and 0 deletions
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4
Lib/tarfile.py
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@ -1133,9 +1133,13 @@ class TarFile(object):
# Find out which *open() is appropriate for opening the file.
for comptype in cls.OPEN_METH:
func = getattr(cls, cls.OPEN_METH[comptype])
if fileobj is not None:
saved_pos = fileobj.tell()
try:
return func(name, "r", fileobj)
except (ReadError, CompressionError):
if fileobj is not None:
fileobj.seek(saved_pos)
continue
raise ReadError("file could not be opened successfully")