Bug#552190: python-debian: python DeprecationWarning

[John Wright]

Hi Julian,

On Wed, Mar 03, 2010 at 08:07:51PM +0100, Julian Andres Klode wrote:
> Am Mittwoch, den 17.02.2010, 16:34 -0700 schrieb John Wright:
> > On Wed, Feb 17, 2010 at 11:54:22AM +0100, Julian Andres Klode wrote:
> > > On Thu, Jan 28, 2010 at 03:24:37PM -0700, John Wright wrote:
> > > > I have a branch that uses the new TagFile interface.  I'll try to merge
> > > > that in and upload this week or weekend.  I also had a "fix" to ignore
> > > > the DeprecationWarning in my local git tree, but I never got around to
> > > > pushing or uploading.  Sorry about that.
> > > > 
> > > > Thanks for the reminder!
> > > 
> > > You might want to wait for 0.7.93.2 and use the iterator API therein,
> > > which does not even use shared storage and should thus be more useful
> > > for python-debian.
> > 
> > Ok.  Right now we're avoiding shared storage by using a TagFile instance
> > for each Deb822 instance returned by its iter_paragraphs class method.
> > But it would be nice not to have to do that. :)
> > 
> > I'm not sure if we'll wait, but I'll definitely be converting deb822 to
> > the new interface when it's available.
> 
> The new interface is available since 0.7.93.2, and provides a one-time
> iterable tagfile (TagFile is an iterator itself; just like file is).
> 
>     for section in tagfile:
>         print section[key]
> 
> Each 'section' refers to a single objects with its own data. Thus you
> can also do things like::
> 
>     sections = list(tagfile)

I tried this, and ran into corruption if tagfile had more than 30 or 40
paragraphs...  See #572596 [1].  For what it's worth, I like the
interface a lot better, so I'll be glad to use it once it all works
right. :)

 [1]: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=572596

-- 
John Wright <jsw at debian.org>