[pybsddb] DBEnv open fails with DBNoSuchFileError

[Yongqian Li]

Thank you very much for your response. This has indeed fixed my
problem. I would suggest however that you add a sentence to the Python
documentation about the flags as most people would skim over the long
Oracle docs.

Sincerely,
Yongqian Li

On Mon, Oct 13, 2008 at 3:57 AM, Jesus Cea <jcea at argo.es> wrote:
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> Yongqian Li wrote:
>> The following code fails for me:
>>
>>>>> bsddb.db.DBEnv().open('C:\\tmp\\test')
>>
>> Traceback (most recent call last):
>>   File "<pyshell#3>", line 1, in <module>
>>     bsddb.db.DBEnv().open('C:\\tmp\\test')
>> DBNoSuchFileError: (2, 'No such file or directory')
>>
>> I have confirmed that the directory 'C:\\tmp\\test' does exist.
>>
>> This occurs on Vista x64 as well as Ubuntu x64 with python-2.5.2
>>
>> I cannot figure out what is the problem. Please help!
>
> You need to pass a few flags to the "open" flag. Read Oracle Berkeley DB
> documentation (it is very good). For example:
> <http://www.oracle.com/technology/documentation/berkeley-db/db/api_c/env_open.html>
> and the chapter about transactions:
> <http://www.oracle.com/technology/documentation/berkeley-db/db/ref/transapp/intro.html>
>
> In particular, you probably need to initialize a few subsystems, like
> DB_INIT_TXN, DB_INIT_MPOOL, DB_INIT_LOG, DB_INIT_LOCK, and do a DB_RECOVER.
>
> - --
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