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== Python Special Interest Group ==
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{{admon/important | Help wanted! | You can help with this stuff! Join us on '''<nowiki>#fedora-python </nowiki>''' on Freenode! }}
A SIG for people who are interested in Python on Fedora. This includes:
+
 
* packaging and optimizing the various Python 2 and Python 3 [[#Python_Runtimes|Python runtimes]]
+
== Python Special Interest Group (SIG) ==
* packaging Python libraries and applications
+
 
* setting and improving [[Packaging:Python|standards for packaging them as RPMs]]
+
[https://www.python.org/ Python] is a high-level, interpreted programming language which emphasizes on code readability. [https://fedoralovespython.org Fedora loves Python] and this SIG is for people who would like to see this relationship flourish. We aim to address any and all issues and tasks related to Python in Fedora, including:
 +
 
 +
* packaging and optimizing the various [[#Python_Runtimes|Python runtimes]],
 +
* packaging Python libraries and applications,
 +
* setting and improving [[Packaging:Python|standards for packaging them as RPMs]],
 
* maintaining Python packages for Fedora
 
* maintaining Python packages for Fedora
  
=== Contact Info ===
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and much more...
 +
 
 +
== Communicate ==
 +
 
 +
=== Mailing lists ===
 +
 
 +
{| class="wikitable"
 +
! Address !! Function
 +
|-
 +
| [https://lists.fedoraproject.org/archives/list/python-devel@lists.fedoraproject.org/ python-devel] || General mailing list for all things Python related
 +
|-
 +
|}
 +
 
 +
 
 +
=== IRC ===
 +
 
 +
{| class="wikitable"
 +
! Address !! Function
 +
|-
 +
| [https://webchat.freenode.net/?channels=#fedora-python  #fedora-python] || [https://fedoraproject.org/wiki/SIGs/Python Python SIG] official channel
 +
|}
 +
 
 +
{{admon/tip|Zodbot|Read the [[Zodbot]] page for helpful [[IRC]] commands.}}
 +
 
 +
 
 +
== Core Members ==
 +
See [https://fedoraproject.org/wiki/SIGs/Python/Members_list SIGs/Python/Members_list] for a list of our current core members.
 +
 
 +
 
 +
== Join Python SIG ==
 +
We're always looking for new members to join us. Whether you're a new contributor or someone that's been around since the beginning, there are definitely ways you can help. Join Python SIG and:
 +
 
 +
* Learn how to package new Python software
 +
* Work with teammates from the four corners of the world
 +
* Broaden your scope of working in open source communities and gain experience interacting in different areas
 +
* Build your portfolio by working on real-world projects
 +
 
 +
[[Image:fedora-loves-python.png|200px|middle]] '''[[SIGs/Python/JoinSIG | Join the Python SIG now]]'''
 +
 
 +
== Areas of contribution ==
 +
 
 +
=== Packaging and maintaining Python applications ===
  
Mailing List: [[http://lists.fedoraproject.org/mailman/listinfo/python-devel python-devel]] <BR>
+
If you're just getting started with packaging Python modules for Fedora, here are some hints to get you started:
IRC: #fedora-python on irc.freenode.net <BR>
 
  
=== Members ===
+
* The [[Packaging:Guidelines|Fedora Packaging Guidelines]] must be followed for any package.  The [[Packaging:Python|Python specific guidelines]] are a good starting point.
 +
* When packaging PyPI project you can generate the initial SPEC file using [https://apps.fedoraproject.org/packages/pyp2rpm pyp2rpm] tool.
 +
* You can generate a spec template for your new python package like this: <pre>dnf install rpmdevtools && rpmdev-newspec -t python</pre> That will generate a spec file template that is a good starting point to making your package. (Beware, the template might be outdated.)
  
[[User:Ivazquez| Ignacio Vazquez-Abrams]] <BR>
+
==== Python SIG FAS group ====
[[TimLauridsen| Tim Lauridsen]] <BR>
 
[[PaulNasrat| Paul Nasrat]] <BR>
 
[[ToshioKuratomi| Toshio Kuratomi]] <BR>
 
[[TejasDinkar| Tejas Dinkar]] <BR>
 
[[AurelienBompard| Aurelien Bompard]] <BR>
 
[[JoseMatos| José Matos]] <BR>
 
[[MichelSalim| Michel Salim]] <BR>
 
[[AlexLancaster| Alex Lancaster]] <BR>
 
[[LukeMacken| Luke Macken]] <BR>
 
[[ChristosTrochalakis| Christos Trochalakis]] <BR>
 
[[FelixSchwarz| FelixSchwarz]] <BR>
 
[[DaveMalcolm| Dave Malcolm]]: interested in core Python runtimes and low-level implementation details <BR>
 
[[MartinBacovsky| Martin Bacovsky]] <BR>
 
[[User:Tomspur| Thomas Spura]] <BR>
 
[[User:topdog| Andrew Colin Kissa]] <BR>
 
[[User:potty | Abdel Martínez]] <BR>
 
[[User:lbazan | Luis Bazán]] <BR>
 
[[User:Bkabrda | Bohuslav Kabrda]] <BR>
 
[[User:Ramkrsna | Ramakrishna Reddy Yekulla]] <BR>
 
[[User:Kushal | Kushal Das]] <BR>
 
[[User:Tadej | Tadej Janež]] <BR>
 
[[User:Ncoghlan | Nick Coghlan]] <BR>
 
[[User:Tradej | Tomas Radej]] <BR>
 
  
=== Python packages awaiting review ===
+
You can add [https://src.fedoraproject.org/group/python-sig python-sig] group to your package so the [https://fedoraproject.org/wiki/SIGs/Python/Members_list core members] of the python-sig get notified on each bug in your Python program. This way it is possible to maintain all Python packages with the group permissions, which will simplify general Python cleanup changes.
* [https://bugzilla.redhat.com/buglist.cgi?query_format=advanced&short_desc=python&bug_status=NEW&bug_status=ASSIGNED&bug_status=MODIFIED&bug_status=ON_DEV&bug_status=ON_QA&bug_status=VERIFIED&bug_status=RELEASE_PENDING&bug_status=POST&short_desc_type=allwordssubstr&component=Package%20Review&product=Fedora List of most python packages awaiting review] - Bugzilla query for packages which have not passed review with "python" in the name or summary.
 
  
* [https://bugzilla.redhat.com/show_bug.cgi?id=593069 pynie] - Python 3, on top of the [https://admin.fedoraproject.org/pkgdb/acls/name/parrot Parrot virtual machine]
+
If there is interest and shown familiarity with our guidelines and processes (which usually manifests in maintaining at least 5 to 10 Python packages) you can apply for having access to a broader group of packages that is commonly maintained. If you choose to apply for this, please discuss it with a sponsor of the python-sig. (You can find a list of those [https://admin.fedoraproject.org/accounts/group/members/python-sig/*/sponsor in FAS].)
  
=== Packaging Quickstart ===
+
The current list of packages maintained by the python-sig can be found at the [https://src.fedoraproject.org/group/python-sig src.fedoraproject.org].
  
If you're just getting started with packaging python modules for Fedora, here's some hints to get you started:
+
The [https://packager.fedorainfracloud.org/python-sig packaging dashboard of the Python SIG FAS group] might serve as a place to start contributing.
  
* The [[Packaging:Guidelines Fedora Packaging Guidelines]] must be followed for any package.  The [[Packaging:Python Python specific guidelines]] are a good starting point.
+
=== Review Python packages ===
* You can generate a spec template for your new python package like this: <pre>yum install rpmdevtools && rpmdev-newspec -t python</pre>.  That will generate a spec file template that is a good starting point to making your package.
 
  
=== Package requests ===
+
If you are one of the experienced Python packagers, you can help with the [https://bugzilla.redhat.com/buglist.cgi?query_format=advanced&short_desc=python&bug_status=NEW&bug_status=ASSIGNED&bug_status=MODIFIED&bug_status=ON_DEV&bug_status=ON_QA&bug_status=VERIFIED&bug_status=RELEASE_PENDING&bug_status=POST&short_desc_type=allwordssubstr&component=Package%20Review&product=Fedora list of Python packages awaiting review].
* [http://chandlerproject.org Chandler PIM] - I don't think it is such hot idea ... upstream is pinning for the fjords, and after couple of years of non-development, it is not that advanced as it used to be.
+
* Bugzilla query for packages which have not passed review with "python" in the name or summary.
* [http://www.hforge.org/itools/ itools] - A python library that includes several useful tools, such as an ODF anonymizer that can be used to sanitize confidential documents before attaching them tp bug reports
 
* [http://code.google.com/p/python-multiprocessing/ python-multiprocessing] - multiprocessing backport useful for EL-5 [https://bugzilla.redhat.com/show_bug.cgi?id=716667 review request]
 
* [http://pypi.python.org/pypi/repoze.profile repoze.profile] - WSGI profiling middleware
 
* [http://code.google.com/p/tgscheduler/ tgscheduler] - TurboGears scheduler
 
  
=== Links ===
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=== Porting to Python 3 ===
  
[http://www.python.org/ Python website] <BR>
+
Python 2 is dead upstream as of January 2020. Thankfully the switch from Python 2 to Python 3 in Fedora is nearly finished, see our [http://fedora.portingdb.xyz/ Fedora Porting Database].
[[Packaging:Python| Building Python packages]] <BR>
 
[[TurboGears2| TurboGears]] <BR>
 
[[PackagingDrafts/TGApps|  Packaging TurboGears Applications]] <BR>
 
[[Packaging:Python Eggs|  Packaging Python Eggs]] <BR>
 
Parallel installable [[Python26]] information (mainly EPEL5).<br/>
 
[http://farmdev.com/talks/unicode/ Unicode in Python, Completely Demystified]
 
  
[[Category:SIGs]]
+
If your project still doesn't work on Python 3, we recommend trying the [https://portingguide.readthedocs.io/ Conservative Python 3 Porting Guide].
[[Category:Language-specific SIGs]]
+
 
[[Category:Python]]
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=== Other ===
 +
Interested for more? Check out our [https://github.com/fedora-python/ github repositories] for various projects related to Python and Fedora.
 +
 
 +
== Upstream Release Schedules ==
  
=== Upstream Release Schedules ===
+
[https://www.python.org/dev/peps/pep-0373/ Python 2.7]
[http://www.python.org/dev/peps/pep-0429/ Python 3.4]
 
  
=== Python Features ===
+
[https://www.python.org/dev/peps/pep-0429/ Python 3.4]
==== Future work ====
 
* [[Features/Python3ForCriticalComponents|port anaconda and yum to python 3]]
 
* [[Features/DebugPythonStacks|debug versions of Python 2 and Python 3 in addition to the traditional optimized builds]]
 
* [[Features/PyPyStack|add PyPy to Fedora, possibly with a stack of extensions]]
 
* [[Features/JythonStack|add a stack of extensions to Jython, in RPM form]]
 
* [[Features/PythonNamingDependingOnImplementation | Rename python packages to reflect python implementation in the name]]
 
  
==== Under development (Fedora 18) ====
+
[https://www.python.org/dev/peps/pep-0478/ Python 3.5]
* [[Features/Python_3.3|upgrade of the Python 3 stack to 3.3]]
 
  
==== Added in Fedora 17 ====
+
[https://www.python.org/dev/peps/pep-0494/ Python 3.6]
* [[Features/StaticAnalysisOfPythonRefcounts| further work on static analysis of refcounting]]
 
  
==== Added in Fedora 16 ====
+
[https://www.python.org/dev/peps/pep-0537/ Python 3.7]
* [[Features/GccPythonPlugin|GCC plugin embedding Python, for writing GCC extensions in Python]]
 
* [[Features/StaticAnalysisOfCPythonExtensions|Static analysis tool to detect common mistakes made in Python extension modules written in C]]
 
  
==== Added in Fedora 15 ====
+
[https://www.python.org/dev/peps/pep-0569/ Python 3.8]
* [[Features/Python_3.2|upgrade of the Python 3 stack to 3.2]]
 
  
==== Added in Fedora 14 ====
+
[https://www.python.org/dev/peps/pep-0596/ Python 3.9]
* [[Features/Python_2.7|upgrade of the Python 2 stack to 2.7]]
 
* pypy was packaged, available prebuilt via rpm
 
  
==== Added in Fedora 13 ====
+
[https://www.python.org/dev/peps/pep-0619/ Python 3.10]
* [[Features/Python3F13|parallel-installable Python 3 stack]]
 
* [[Features/EasierPythonDebugging|gdb hooks to make it easier to debug Python and extension modules]]
 
* [[Features/SystemtapStaticProbes#Python_2|Systemtap probe points for tracing Python function calls]]
 
  
==== Added in Fedora 11 ====
+
== Python Fedora Changes ==
* [[Features/Python_2.6|upgrade of the Python 2 stack to 2.6]]
 
  
==== Added in Fedora 10 ====
+
See the [[SIGs/Python/features_history| History of Python Changes]]
* [[Features/PythonNSS|created and packaged bindings for the FIPS-validated NSS cryptographic library]]
 
  
==== Stalled features ====
+
== Toolbox ==
* [[Features/SystemPythonExecutablesUseSystemPython]]
 
  
 
=== Python Runtimes ===
 
=== Python Runtimes ===
'''Within Fedora:'''
+
 
* {{package|python}} - The standard "CPython" implementation of Python 2
+
==== Within Fedora: ====
* {{package|python3}} - As above, for Python 3.  There's a separate page detailing the [[Python3|status of building up a stack of pre-packaged Python 3 modules]]
+
 
 +
 
 +
* {{package|python3}} RPM package - The standard CPython implementation of Python 3
 +
** The component name changes based on the version, currently {{package|python3.9}}
 +
* {{package|python2}} - The legacy CPython implementation of Python 2
 
* {{package|jython}} - Python 2 implementation on top of the Java virtual machine
 
* {{package|jython}} - Python 2 implementation on top of the Java virtual machine
* {{package|pypy}} - An alternate [http://pypy.org/ python 2 interpreter (with a JIT-compiler) written in a subset of python, compiled to .c].  The interpreter has [http://morepypy.blogspot.com/2009/10/gc-improvements.html better memory] use than CPython and speed is closing in on CPython.  The JIT'd version is faster than CPython in many [http://speed.pypy.org benchmarks].  It is growing the ability to [http://morepypy.blogspot.com/2010/04/using-cpython-extension-modules-with.html load CPython extension modules], though this is in an "alpha" state right now.
+
* {{package|pypy}} and {{package|pypy3}} - An alternate [http://pypy.org/ Python interpreter (with a JIT-compiler) written in a subset of python, compiled to .c].  The interpreter has [http://morepypy.blogspot.com/2009/10/gc-improvements.html better memory] use than CPython and speed is closing in on CPython.  The JIT'd version is faster than CPython in many [http://speed.pypy.org benchmarks].  It is growing the ability to [http://morepypy.blogspot.com/2010/04/using-cpython-extension-modules-with.html load CPython extension modules].
 +
* Alternative Python versions so you can test you code on all of them. Just <code>dnf install tox</code> on Fedora 25+ to get them all.
 +
** {{package|python3.9}}
 +
** {{package|python3.8}}
 +
** {{package|python3.7}}
 +
** {{package|python3.6}}
 +
** {{package|python3.5}}
 +
** {{package|python34}} (retired in F33+)
 +
** {{package|python33}} (retired on F29+)
 +
** {{package|python2.7}}
 +
** {{package|python26}} (retired in F33+)
  
'''Within EPEL:'''
+
==== Within EPEL: ====
* {{package|python26}} - [[Python26|Python 2.6 stack for EPEL5]], parallel-installable with the system Python 2.4 stack
 
  
 +
* {{package|python34}} - Python 3.4 stack for EPEL6 and EPEL7
 +
* {{package|python36}} - Python 3.6 stack for EPEL7
  
'''Awaiting review:'''
+
=== Python Compilers ===
* [https://bugzilla.redhat.com/show_bug.cgi?id=593069 pynie] - Python 3, on top of the [https://admin.fedoraproject.org/pkgdb/acls/name/parrot Parrot virtual machine]
 
'''Awaiting packaging'''
 
* IronPython
 
** [http://code.google.com/p/ironclad/ Ironclad] CPython extensions from IronPython
 
* [http://code.google.com/p/python-on-a-chip/ Python-on-a-Chip (p14p)]
 
  
=== Python Compilers ===
+
==== Within Fedora: ====
'''Within Fedora:'''
 
 
* {{package|pyjamas}} - Python-to-JavaScript compiler, implemented in Python
 
* {{package|pyjamas}} - Python-to-JavaScript compiler, implemented in Python
 
* {{package|shedskin}} -  Python to C++ compiler (for a subset of Python with "implicit types")
 
* {{package|shedskin}} -  Python to C++ compiler (for a subset of Python with "implicit types")
 +
 +
== Important Links ==
 +
* Python in Fedora
 +
** [[Packaging:Python| Python packaging Guidelines]]
 +
** [https://fedoralovespython.org/ Fedora Loves Python] site ([https://github.com/fedora-python/fedoralovespython.org source repo])
 +
** [https://developer.fedoraproject.org/tech/languages/python/python-installation.html Python section in the Fedora Developer Portal] (remember to update this as recommendations and the available tooling change!
 +
** [[SIGs/Python/PythonPatches| Python Patches]] – registry of patch numbers for Python interpreters in Fedora and EL
 +
** [https://hackmd.io/9f64YNIZTCy0ZzKb5wKtqQ?view Fedora Python interpreters maintenance guide]
 +
* General Python links
 +
** [http://www.python.org/ Python website]
 +
** [https://portingguide.readthedocs.io The Conservative Python 3 Porting Guide]
 +
* Obsolete
 +
** [http://farmdev.com/talks/unicode/ Unicode in Python, Completely Demystified] (somewhat outdated)
 +
** [[Packaging:Python Eggs|  Packaging Python Eggs]] (outdated – needs update to <code>pip</code> & friends)
 +
** [https://python-rpm-porting.readthedocs.io/ Python RPM Porting Guide]
 +
 +
[[Category:SIGs]]
 +
[[Category:Language-specific SIGs]]
 +
[[Category:Python]]
 +
  
 
[[Category:Fedora special-interest groups|Python SIG]]
 
[[Category:Fedora special-interest groups|Python SIG]]

Latest revision as of 11:18, 10 September 2020


Important.png
Help wanted!
You can help with this stuff! Join us on #fedora-python on Freenode!

Python Special Interest Group (SIG)

Python is a high-level, interpreted programming language which emphasizes on code readability. Fedora loves Python and this SIG is for people who would like to see this relationship flourish. We aim to address any and all issues and tasks related to Python in Fedora, including:

and much more...

Communicate

Mailing lists

Address Function
python-devel General mailing list for all things Python related


IRC

Address Function
#fedora-python Python SIG official channel
Idea.png
Zodbot
Read the Zodbot page for helpful IRC commands.


Core Members

See SIGs/Python/Members_list for a list of our current core members.


Join Python SIG

We're always looking for new members to join us. Whether you're a new contributor or someone that's been around since the beginning, there are definitely ways you can help. Join Python SIG and:

  • Learn how to package new Python software
  • Work with teammates from the four corners of the world
  • Broaden your scope of working in open source communities and gain experience interacting in different areas
  • Build your portfolio by working on real-world projects

Fedora-loves-python.png Join the Python SIG now

Areas of contribution

Packaging and maintaining Python applications

If you're just getting started with packaging Python modules for Fedora, here are some hints to get you started:

  • The Fedora Packaging Guidelines must be followed for any package. The Python specific guidelines are a good starting point.
  • When packaging PyPI project you can generate the initial SPEC file using pyp2rpm tool.
  • You can generate a spec template for your new python package like this:
    dnf install rpmdevtools && rpmdev-newspec -t python
    That will generate a spec file template that is a good starting point to making your package. (Beware, the template might be outdated.)

Python SIG FAS group

You can add python-sig group to your package so the core members of the python-sig get notified on each bug in your Python program. This way it is possible to maintain all Python packages with the group permissions, which will simplify general Python cleanup changes.

If there is interest and shown familiarity with our guidelines and processes (which usually manifests in maintaining at least 5 to 10 Python packages) you can apply for having access to a broader group of packages that is commonly maintained. If you choose to apply for this, please discuss it with a sponsor of the python-sig. (You can find a list of those in FAS.)

The current list of packages maintained by the python-sig can be found at the src.fedoraproject.org.

The packaging dashboard of the Python SIG FAS group might serve as a place to start contributing.

Review Python packages

If you are one of the experienced Python packagers, you can help with the list of Python packages awaiting review.

  • Bugzilla query for packages which have not passed review with "python" in the name or summary.

Porting to Python 3

Python 2 is dead upstream as of January 2020. Thankfully the switch from Python 2 to Python 3 in Fedora is nearly finished, see our Fedora Porting Database.

If your project still doesn't work on Python 3, we recommend trying the Conservative Python 3 Porting Guide.

Other

Interested for more? Check out our github repositories for various projects related to Python and Fedora.

Upstream Release Schedules

Python 2.7

Python 3.4

Python 3.5

Python 3.6

Python 3.7

Python 3.8

Python 3.9

Python 3.10

Python Fedora Changes

See the History of Python Changes

Toolbox

Python Runtimes

Within Fedora:

Within EPEL:

  • Package-x-generic-16.pngpython34 - Python 3.4 stack for EPEL6 and EPEL7
  • Package-x-generic-16.pngpython36 - Python 3.6 stack for EPEL7

Python Compilers

Within Fedora:

  • Package-x-generic-16.pngpyjamas - Python-to-JavaScript compiler, implemented in Python
  • Package-x-generic-16.pngshedskin - Python to C++ compiler (for a subset of Python with "implicit types")

Important Links