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Bug 313467 - gnome-extra/libgsf: Verify and potentially improve Python-related code
Summary: gnome-extra/libgsf: Verify and potentially improve Python-related code
Status: RESOLVED FIXED
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: All All
: High enhancement (vote)
Assignee: Gentoo Linux Gnome Desktop Team
URL:
Whiteboard:
Keywords:
Depends on:
Blocks: 308257 313471
  Show dependency tree
 
Reported: 2010-04-06 17:17 UTC by Arfrever Frehtes Taifersar Arahesis (RETIRED)
Modified: 2011-02-26 16:51 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---


Attachments
Fix to Python 2 (libgsf-1.14.19-python.patch,365 bytes, patch)
2011-02-26 16:09 UTC, Chris Mayo
Details | Diff

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Description Arfrever Frehtes Taifersar Arahesis (RETIRED) gentoo-dev 2010-04-06 17:17:16 UTC
- If this package can be used as a library and installs Python modules
  (*.so or *.py) into site-packages directories, then consider supporting
  installation for multiple Python versions.
  Please read section "Types of packages" in documentation [1] to decide
  if this package can support installation for multiple Python versions.

- Ensure that the ebuilds do not use deprecated functions or variables.

- Please check if Python 3 is supported by this package. You can temporarily
  set Python 3 as main active version of Python to properly test if this
  package supports Python 3.

- If this package does not support Python 3:
  - Specify dependency on Python 2.
    You can use PYTHON_DEPEND helper variable, which should be set before
    inheriting of python eclass.
    Please read section "Specification of dependency on Python" in
    documentation [1].

  - If this package cannot support installation for multiple versions of
    Python, then set active version of Python using
    python_set_active_version().

  - Ensure that shebangs in installed scripts specify correct version of
    Python. If shebangs are too generic (e.g. '#!/usr/bin/python'), then you
    can use python_convert_shebangs() to convert shebangs.
    (Wrapper scripts generated by python_generate_wrapper_scripts() do not
    require any changes.)
    Please read section "Shebangs in installed scripts" in documentation [1].

  - To ensure that changes applied to the ebuilds are sufficient, please
    temporarily set Python 3 as main active version of Python and test if
    this package can be properly installed and if it works at run time.

Please see documentation [1] for more details.
[1] http://www.gentoo.org/proj/en/Python/developersguide.xml
Comment 1 Chris Mayo 2011-02-26 16:09:22 UTC
Created attachment 263923 [details, diff]
Fix to Python 2

With Python3 as the default USE="python" libgsf-1.14.19 fails to find Python2 and install the bindings:

checking for python... /usr/bin/python
checking for python version... 3.1
checking for python platform... linux2
checking for python script directory... ${prefix}/lib64/python3.1/site-packages
checking for python extension module directory... ${exec_prefix}/lib64/python3.1/site-packages
checking for headers required to compile python extensions...   File "<string>", line 1
    import sys; print sys.prefix
                        ^
SyntaxError: invalid syntax
  File "<string>", line 1
    import sys; print sys.exec_prefix
                        ^
SyntaxError: invalid syntax
not found
NO.  Missing python headers

Patch attached that fixes it for me.
Comment 2 Arfrever Frehtes Taifersar Arahesis (RETIRED) gentoo-dev 2011-02-26 16:51:16 UTC
Support for installation for multiple Python ABIs added in gnome-extra/libgsf-1.14.19.