[Slackbuilds-users] pyquery broken after lxml update

[Larry Hajali]

Hi,

Between lxml version 2.x and 3.x, lxml broke out the cssselect module into
its own separate package.  The version on SBo is definitely outdated and
incompatible (w/out patching) with the new lxml.  Looking at the setup.py
file on the github page (ie. https://github.com/gawel/pyquery), the new
version looks to be compatible with the new lxml with cssselect and
distribute as new dependencies.

All that needs to be done is download the latest version of pyquery (
http://pypi.python.org/packages/source/p/pyquery/pyquery-1.2.4.tar.gz),
install the new dependencies and change the version number in the
slackbuild to 1.2.4.  I'm providing a patch with the changes I made to get
things working.  Now using 'import pyquery' at the python command prompt
works.

On a side note, there isn't a dependency listed for pysetuptools or
distribute for version 0.6.1 of pyquery.  It is optional for lxml and not
listed for BeautifulSoup.

--Larry

On Fri, Dec 28, 2012 at 9:16 AM, ____________ ________ <rwxrwx at tut.by>wrote:

> I am sending it here since my attempt to contact the buildscript
> maintainer directly resulted in this:
>
> Delivery to the following recipient failed permanently:
>
>  <email address of the pyquery buildscript maintainer>
>
> Technical details of permanent failure:
> DNS Error: DNS server returned general failure
>
> Recently buildscript for lxml at SBo got updated (from lxml 2.x to lxml
> 3.x). After building the new lxml package and upgrading, I have noticed
> that pyquery (the version that's available on SBo as well and that didn't
> change) is now broken - importing it fails. Here is the traceback from
> ipython:
>
> --- snip ---
> In [1]: import pyquery
> ---------------------------------------------------------------------------
> ImportError                               Traceback (most recent call last)
> <ipython-input-1-6c6972830b98> in <module>()
> ----> 1 import pyquery
>
> /usr/lib64/python2.7/site-packages/pyquery/__init__.py in <module>()
>       8     import webob
>       9 except ImportError:
> ---> 10     from pyquery import PyQuery
>      11 else:
>      12     from ajax import PyQuery
>
> /usr/lib64/python2.7/site-packages/pyquery/pyquery.py in <module>()
>       4 #
>       5 # Distributed under the BSD license, see LICENSE.txt
> ----> 6 from cssselectpatch import selector_to_xpath
>       7 from lxml import etree
>       8 import lxml.html
>
> /usr/lib64/python2.7/site-packages/pyquery/cssselectpatch.py in <module>()
>       4 #
>       5 # Distributed under the BSD license, see LICENSE.txt
> ----> 6 from lxml.cssselect import Pseudo, XPathExpr, XPathExprOr,
> Function, css_to_xpath, Element
>       7 from lxml import cssselect
>       8
>
> /usr/lib64/python2.7/site-packages/lxml/cssselect.py in <module>()
>      16     external_cssselect = __import__('cssselect')
>      17 except ImportError:
> ---> 18     raise ImportError('cssselect seems not to be installed. '
>      19                       'See http://packages.python.org/cssselect/')
>      20
>
> ImportError: cssselect seems not to be installed. See
> http://packages.python.org/cssselect/
> --- snip ---
>
> Just "import lxml" works.
>
> I am using Slackware64-14.0 (no multilib).
>
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