Mailing List Archive: Zope: DB

Unicode charset problems dealing with the ZmySQLDA product

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miguel.sanchez at iavante

Apr 30, 2007, 3:33 AM

Post #1 of 3 (1510 views)
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Unicode charset problems dealing with the ZmySQLDA product

Hello. I'm dealing with the ZmySQLDA product on Zope 2.9.7 and Python
2.4.3 versions.
I'm having problems when I retrieve data from the database because the
data is not rendered using the unicode charset when the zope instance is
in a vserver (with a Gentoo Linux distribution), so I get weird
characters like 'Ã¡' instead of the usual ones: 'á' (as they are strored
inthe db). This is not happening on my local machine, so I guess it
could be a bad configuration of the vserver.
Is there any possibilities to pass a parameter to the ZmySQLDSA
connection to make it use the unicode charset?
Which differences are between the _mysql python module and the MySQLdb
library for this purpose?
Could it be the configuation of the vserver? How can it be relationed
with the unicode problems?
Any idea?

Thanks!!
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charlie at egenix

Apr 30, 2007, 4:13 AM

Post #2 of 3 (1399 views)
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Re: Unicode charset problems dealing with the ZmySQLDA product [In reply to]

Am 30.04.2007, 12:33 Uhr, schrieb Miguel SÃ¡nchez Beato
<miguel.sanchez [at] iavante>:

> Hello. I'm dealing with the ZmySQLDA product on Zope 2.9.7 and Python
> 2.4.3 versions.
> I'm having problems when I retrieve data from the database because the
> data is not rendered using the unicode charset when the zope instance is
> in a vserver (with a Gentoo Linux distribution), so I get weird
> characters like 'ÃƒÂ¡' instead of the usual ones: 'Ã¡' (as they are strored
> inthe db). This is not happening on my local machine, so I guess it
> could be a bad configuration of the vserver.
> Is there any possibilities to pass a parameter to the ZmySQLDSA
> connection to make it use the unicode charset?
> Which differences are between the _mysql python module and the MySQLdb
> library for this purpose?
> Could it be the configuation of the vserver? How can it be relationed
> with the unicode problems?
> Any idea?

What setting do you have for Zope's encoding? in etc/zope.conf
Your problem might be solved with the correct setting for that. Otherwise
you may need to patch the DA to handle encoding for your target for you.

Charlie

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Charlie Clark
eGenix.com

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dieter at handshake

Apr 30, 2007, 9:30 AM

Post #3 of 3 (1383 views)
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Re: Unicode charset problems dealing with the ZmySQLDA product [In reply to]

Miguel Sánchez Beato wrote at 2007-4-30 12:33 +0200:
>I'm having problems when I retrieve data from the database because the
>data is not rendered using the unicode charset when the zope instance is
>in a vserver (with a Gentoo Linux distribution), so I get weird
>characters like 'Ã¡' instead of the usual ones: 'á' (as they are strored
>inthe db).

Strictly speaking, there is no "Unicode charset".

Apparently something in your data flow uses the "utf-8" charset
but your pages do not tell this to the browser.

You may try to set an
"response.setHeader('Content-Type', 'text/html; charset=utf-8)".

> ...
>Which differences are between the _mysql python module and the MySQLdb
>library for this purpose?
>Could it be the configuation of the vserver? How can it be relationed
>with the unicode problems?

Often the database configuration or some environment variable
determine the so called client encoding. The client encoding
controls which encoding (aka "charset") the client expects for
unicode strings.

There may be differences between your two configurations.

--
Dieter
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