bsddb.hashopen problem [was: Re: [Pythonmac-SIG] New MacPython-OSX 2.3a1 binary]

[Robin Dunn]

Francois Granger wrote:
[...]
> 
> I tried to run the script wich gave me this problem, pop3proxy.py from 
> the spambayes project. Error below. I retested with a smaller script. 
> the line:
> 
> dbm = bsddb.hashopen('/Volumes/OS99/spambayesdev/hammie.db', 'r')
> 
> give the same error. I don't know who is concerned with this.
> 
> [fbg:/Volumes/OS99/spambayesdev] fgranger% which python
> /usr/local/bin/python
> [fbg:/Volumes/OS99/spambayesdev] fgranger% python -v pop3proxy.py
> 
> [...]
> import bsddb # directory 
> /Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/bsddb
> # 
> /Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/bsddb/__init__.pyc 
> matches 
> /Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/bsddb/__init__.py 
> 
> import bsddb # precompiled from 
> /Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/bsddb/__init__.pyc 
> 
> import _bsddb # dynamically loaded from 
> /Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/lib-dynload/_bsddb.so 
> 
> Traceback (most recent call last):
>   File "pop3proxy.py", line 1557, in ?
>     run()
>   File "pop3proxy.py", line 1531, in run
>     state.createWorkers()
>   File "pop3proxy.py", line 1145, in createWorkers
>     self.bayes = storage.DBDictClassifier( \
>   File "/Volumes/OS99/spambayesdev/spambayes/storage.py", line 140, in 
> __init__
>     self.load()
>   File "/Volumes/OS99/spambayesdev/spambayes/storage.py", line 148, in load
>     self.dbm = dbmstorage.open(self.db_name, self.mode)
>   File "/Volumes/OS99/spambayesdev/spambayes/dbmstorage.py", line 54, in 
> open
>     return f(*args)
>   File "/Volumes/OS99/spambayesdev/spambayes/dbmstorage.py", line 17, in 
> open_dbhash
>     return bsddb.hashopen(*args)
>   File 
> "/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/bsddb/__init__.py", 
> line 162, in hashopen
>     d.open(file, _db.DB_HASH, flags, mode)
> bsddb._db.DBInvalidArgError: (22, 'Invalid argument -- memp_fopen: page 
> sizes must be a power-of-2')
> [...]
> 

Sounds like either spambayes is passing a bad value for the pgsize 
parameter, or bsddb.hashopen should have an explicit default value for 
pgsize...

-- 
Robin Dunn
Software Craftsman
http://wxPython.org  Java give you jitters?  Relax with wxPython!