Hy Chris,

Good information, thanks for digging! That is strange. Glad to know Pillow
worked (I'd love to see it replace PIL entirely), but I wish I knew why
zlib couldn't be found.

Christian

-- 
Christian Hammond - chip...@chipx86.com
Review Board - http://www.reviewboard.org
VMware, Inc. - http://www.vmware.com


On Fri, Oct 19, 2012 at 1:16 PM, Chris Clark <chris.cl...@actian.com> wrote:

> Yet more info, please excuse the top post.
>
> We hit this again (reviewboard 1.6.11 silently does not create thumbnails
> now, rather than raising an error). I think I have a better handle on why
> the"simple" test works and yet Django/Reviewboard fails.
>
> Image.open() doesn't do anything interesting. It isn't until you try and
> read the file that anything is done. The real test is:
>
>     try:
>         import Image
>     except ImportError:
>         from PIL import Image
>
>     x = Image.open("/home/ingres/patchdoc_new.png")
>     x.tostring()[0]
>
> The "to string" fails for me with:
>
>    IOError: decoder zip not available
>
> Due to some weird inability to find zlib. There are some notes online
> about Ubuntu (and suggesting soft linking) but they didn't work for me.
>
> I ended up trying Pillow (they've done some cleanup for easy install). My
> new "fix" is now:
>
>     sudo rm -rf
> /usr/local/lib/python2.7/dist-packages/PIL-1.1.7-py2.7-linux-x86_64.egg/
> # or what ever version is being used
>     sudo easy_install Pillow
>
> In the course of this research I ended up installing a few dev libs but
> using PIL with them did NOT help, I'm not sure if they helped with Pillow
> or not :-)
>
>     sudo apt-get install libpng-dev
>     sudo apt-get install libfreetype6-dev
>
> Using the base OS provided library is usually the better option though (as
> per my last update).
>
>
>
> On Monday, October 24, 2011 2:29:59 PM UTC-7, Chris Clark wrote:
>
>     Thilo-Alexander Ginkel wrote:
>     > On Mon, Feb 14, 2011 at 23:01, Christian Hammond <> wrote:
>     >
>     >> I don't believe they're stored temporarily anywhere. If so, it's
> internal to
>     >> Django and I don't know it off-hand.
>     >>
>     >> The only thing I've ever seen permission-wise is when there's a
> directory
>     >> within media/uploaded that doesn't have the proper write
> permissions for the
>     >> server.
>     >>
>     >
>     > Hm... Actually, after doing some more testing I think that
> permissions
>     > aren't an issue as GIF files can be uploaded properly. I also can't
>     > imaging why libpng should be loadable from the command line, but not
>     > from the Apache process...
>     >
>
>     Arise zombie thread, live again! ;-)
>
>     OK, so it turns out after years of happily running with RB we've hit
>     this too. I KNOW this used to work (as my image testing when we first
>     deployed was with PNG files).
>
>     Our problem appears to be identical to this, regular RB install (i.e.
>     easy_install based) which always seems to pull down PIL even though it
>     is already installed (we're running Ubuntu server and I always ensure
>     the debian PIL package is installed that has full image support). We
>     could only attach new GIF screen shots to reviews.
>
>     Using PIL in a Python terminal always worked (i.e. open the supposedly
>     bad image via Image.open), but RB/Django would always fail with:
>
>     ------ Cut here ------
>
>
>       Upload Screenshot
>
>     One or more fields had errors
>     Caption:
>     Path:
>
>         * Upload a valid image. The file you uploaded was either not an
>           image or a corrupted image.
>
>     ------ Cut here ------
>
>     On a hunch I thought I'd have a look at what PIL instances are on the
>     file system (e.g. all the eggs that easy_install pulled down), after
>     upgrading a few times over the years we had 2.
>
>
>     reviews:~$ find / -name \*PIL\* 2>/dev/null
>     /usr/share/pyshared/PIL.pth
>     /usr/share/pyshared/PIL
>     /usr/share/pyshared/PIL/PIL-1.1.6.egg-info
>     /usr/lib/python2.5/site-packages/PIL.pth
>     /usr/lib/python2.5/site-packages/PIL-1.1.6-py2.5-linux-i686.egg
>     /usr/lib/python2.5/site-packages/PIL-1.1.6-py2.5-linux-i686.egg/PIL
>     /usr/lib/python2.5/site-packages/PIL
>     /usr/lib/python2.5/site-packages/PIL/PIL-1.1.6.egg-info
>     /usr/lib/python2.4/site-packages/PIL
>
>
>     ... So I removed all the PIL eggs (remember I already have PIL
> installed):
>
>         sudo rm -rf
>     /usr/lib/python2.5/site-packages/PIL-1.1.6-py2.5-linux-i686.egg
>     /usr/lib/python2.5/site-packages/PIL/PIL-1.1.6.egg-info
>
>     Followed by a reviewboard restart:
>
>         sudo /etc/init.d/apache2 restart
>
>     And we can now attach PNGs and not just GIFs. So what out for
>     easy_install and PIL.
>
>     I know pip purports to support removal (and would probably be a better
>     solution) so this is not a recommendation of resolution! I'm just
>     sharing what I found on my system, don't go deleting files if you don't
>     know the impact/dependencies!
>
>     Chris
>
>  --
> Want to help the Review Board project? Donate today at
> http://www.reviewboard.org/donate/
> Happy user? Let us know at http://www.reviewboard.org/users/
> -~----------~----~----~----~------~----~------~--~---
> To unsubscribe from this group, send email to
> reviewboard+unsubscr...@googlegroups.com
> For more options, visit this group at
> http://groups.google.com/group/reviewboard?hl=en
>
>
>

-- 
Want to help the Review Board project? Donate today at 
http://www.reviewboard.org/donate/
Happy user? Let us know at http://www.reviewboard.org/users/
-~----------~----~----~----~------~----~------~--~---
To unsubscribe from this group, send email to 
reviewboard+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/reviewboard?hl=en


Reply via email to