Patches item #1355023, was opened at 2005-11-12 11:55
Message generated for change (Comment added) made by loewis
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Category: Modules
Group: None
>Status: Closed
>Resolution: Accepted
Priority: 5
Private: No
Submitted By: Fredrik Lundh (effbot)
Assigned to: Fredrik Lundh (effbot)
Summary: support whence argument for GzipFile.seek (bug #1316069)
Initial Comment:
This adds support for whence=0 and whence=1 to the GzipFile
seek method. See
www.python.org/sf/1316069
for background.
Open questions:
Q: can/should whence=2 be supported?
Q: if not, should whence=2 give an IOError or a ValueError
Q: can patches be attached to bug reports?
</F>
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>Comment By: Martin v. Löwis (loewis)
Date: 2006-11-12 11:42
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Thanks for the patch. Committed as r52737.
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Comment By: Georg Brandl (gbrandl)
Date: 2006-04-29 15:33
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Can this be checked in before 2.5a3?
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Comment By: Fredrik Lundh (effbot)
Date: 2005-11-13 12:36
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I'll add a test case and check it in.
From what I can tell, no documentation is affected by this
change
(maybe the gzip documentation should include a full
description of
what exactly "simulates most of the methods of a file
object" really
means, but that's a separate issue).
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Comment By: Martin v. Löwis (loewis)
Date: 2005-11-13 11:57
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I think whence=2 can be supported, but shouldn't be. For
reading, only negative offsets would be meaningful, and they
can be supported the same way as they currently are (i.e.
read all over). For writing, whence=2 would have no effect.
seek apparently always gives a value error (e.g. also
file.seek, for whence=10), so it should do so also here.
Patches can be attached to bug reports if you are a patch admin.
The patch lacks documentation and test case changes.
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