[ python-Bugs-1149413 ] bsddb: bug with 'n' flag
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Wed Jun 8 23:57:37 CEST 2005
Bugs item #1149413, was opened at 2005-02-22 17:14
Message generated for change (Comment added) made by akuchling
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>Category: Python Library
Group: Python 2.3
Status: Open
Resolution: None
Priority: 5
Submitted By: Martin Mokrejs (mmokrejs)
>Assigned to: Gregory P. Smith (greg)
>Summary: bsddb: bug with 'n' flag
Initial Comment:
Where:
http://docs.python.org/lib/module-bsddb.html
You say there:
<quote>
btopen( filename[, flag[, mode[, btflags[,
cachesize[, maxkeypage[, minkeypage[, psize[,
lorder]]]]]]]])
</quote>
the word psize should be replaced with pgsize.
An example would help:
>>> d = bsddb.btopen(None, "c", cachesize=768000,
pgsize=65536)
>>> d = bsddb.btopen(None, "n", cachesize=768000,
pgsize=65536)
Traceback (most recent call last):
File "<stdin>", line 1, in ?
File "/usr/lib/python2.3/bsddb/__init__.py", line
201, in btopen
flags = _checkflag(flag, file)
File "/usr/lib/python2.3/bsddb/__init__.py", line
249, in _checkflag
if os.path.isfile(file):
File "/usr/lib/python2.3/posixpath.py", line 200, in
isfile
st = os.stat(path)
TypeError: coercing to Unicode: need string or buffer,
NoneType found
>>>
The latter is I believe possibly a bug in the python
wrapper not handling 'n' properly.
----------------------------------------------------------------------
>Comment By: A.M. Kuchling (akuchling)
Date: 2005-06-08 17:57
Message:
Logged In: YES
user_id=11375
I've fixed the documentation to use the right parameter
name; thanks for reporting this!
The example you give doesn't work for me: it reports
'bsddb._db.DBInvalidArgError: (22, 'Invalid argument --
set_cachesize: method meaningless in shared environment')'
with the current CVS head. Removing the cachesize argument
makes it work.
The 'n' problem does seem to be a bug; the code should check
that file is not None before doing os.file.exists().
Reassigning and reclassifying the bug.
----------------------------------------------------------------------
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