Features/Python 2.7

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=== Common bugs ===
 
=== Common bugs ===

Revision as of 20:05, 24 July 2010


Contents

Python 2.7

Summary

Update the system Python 2 stack in Fedora from 2.6 to 2.7

Owner

  • Email: <dmalcolm@redhat.com>

Current status

  • Targeted release: Fedora 14
  • Last updated: 2010-07-23
  • Percentage of completion: 50%

Packages built into dist-f14-py27-rebuild; currently 202 failing rebuilds

Packages waiting on other packages

  • kdebindings, pyactivemq need:
  • python-execnet needs:
    • python-py needs:
      • subversion failing inside %check
    • protobuf needs:
      • subversion (see above)
  • revelation needs gnome-python2-applet from:
  • python-networkx needs:
  • hgsvn needs:
    • subversion see root.log
      • which seems to fail in some python related %check test: build.log
  • gget needs
    • notify-python
  • gnome-package-kit needs:
  • sympy needs:
    • python-mpmath
  • hamster-applet needs:
    • many gnome-python2-* packages from gnome-python2-desktop. Specifically gnome-python2-bonobo which needs:
    • pyorbit
    • gnome-doc-utils
  • sugar-tamtam needs:
    • csound
      • boost-python DONE
      • build parameter changes
    • gnome-python2-rsvg

Common bugs

gobject-introspection's /usr/bin/g-ir-scanner appears to be incompatible with python 2.7, this leads to anything building a .gir file failing.

Detailed Description

  • Python 2.7 was released on 2010-07-03

This will require a rebuild of everything with Requires: python(abi) = 2.6. See Mass_Rebuild_SOP for how we do a full rebuild of everything - hopefully we can adapt the scripts there to accomplish the rebuild needed for Python 2.7. See Features/Python_2.7/MassRebuild for notes on this specific rebuild.

Porting

Hopefully, little to no porting will be required.

Some notes on changes that may require porting are given on the upstream wiki here: http://docs.python.org/dev/whatsnew/2.7.html#porting-to-python-2-7

Benefit to Fedora

Fedora aims to showcase the latest in free and open source software - we should have the most recent release of Python.

Scope

Python is pervasive in Fedora. Everything from yum to system-config-* to anaconda to pungi is written in Python.

How To Test

Interested testers do not need special hardware. If you have a favorite Python script, module, or application, please test it with Python 2.7 and verify that it still works as you expect.

My own test plan:

  • Smoketest of the interpreter
  • Run the upstream regression test suite
  • Ensure that yum still works
  • Ensure that anaconda still works

User Experience

Users should not notice any difference, other than the availability of the 2.7 interpreter


Dependencies

The list is too large to include here.

repoquery --whatrequires --alldeps -s "python(abi) = 2.6" | sort -u

indicates approximately 1200 rpms

Contingency Plan

  • There is none. This is do-or-die.

Documentation

What’s New in Python 2.7

Release Notes

The system Python 2 stack has been upgraded to 2.7. For a list of changes see http://docs.python.org/dev/whatsnew/2.7.html

Comments and Discussion