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Re: Trapping MySQLdb warnings

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  Re: Trapping MySQLdb warnings Tim Johnson <tim@johnsons-web.com> - 2011-06-16 11:01 -0800

#7760 — Re: Trapping MySQLdb warnings

* Terry Reedy <tjreedy@udel.edu> [110616 10:50]:
> On 6/16/2011 11:55 AM, Tim Johnson wrote:
> >* Tim Johnson<tim@johnsons-web.com>  [110615 18:53]:
> >>* geremy condra<debatem1@gmail.com>  [110615 18:03]:
> >>>On Wed, Jun 15, 2011 at 6:58 PM, Tim Johnson<tim@johnsons-web.com>  wrote:
> >>>>Using Python 2.6.5 on linux.
> >>>>
> >>>>When using MySQLdb I am getting warnings printed to stdout, but I would
> >>>>like to trap, display and log those warnings.
> >><.....>
> 
> The machinery in the warnings module is only for instances of
> subsclasses of Warning. Are the warnings from MySQLdb properly such
> objects? If so, what class are they?
 The warnings are sent directly to stdout. No way that I know of to
 find out what classes they are..
> >>>Have you tried http://docs.python.org/library/warnings.html#temporarily-suppressing-warnings
> >>   Hi Geremy:
> >>   I just looked at the docs there. This is a new module (to me), and
> >>   I am unsure of the implementation or whether this is what I should
> >>   use.
> >>   I tried the following :
> >>		try :
> >>			self.__rdb.execute(S)
> >>		except warnings.catch_warnings:
> 
> warnings.catch_warnings is a context manager, not an exception.
 Thanks for that.
> This is a TypeError in 3.x, which requires that exceptions be
> instances of BaseException. Try
>      except warnings.Warning, warn:
> 
> Substitute specific MySQLdb warning class, whatever it is, for Warning.
  OK. I'll stack 'em up and see what happens. Must look at docs
  first.
  thanks again
-- 
Tim 
tim at johnsons-web dot com or akwebsoft dot com
http://www.akwebsoft.com

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