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{{DISPLAYTITLE:Changes/No more automagic Python bytecompilation (phase 2)}}


<!-- Self Contained or System Wide Change Proposal?
<!-- Self Contained or System Wide Change Proposal?

Revision as of 14:03, 14 August 2018



No more automagic Python bytecompilation (phase 2)

Summary

See Changes/No_more_automagic_Python_bytecompilation. Now we are changing the default to be %global _python_bytecompile_extra 0.

Owner

Current status

  • Targeted release: Fedora 30
  • Last updated: 2018-08-14
  • Tracker bug: <will be assigned by the Wrangler>

Detailed Description

See the Detailed Description of the previous Change Proposal.

We will now set %_python_bytecompile_extra to 0 by default.

All packages that ship Python 3 bytecode oustide of Python 3 directories should be preferably converted to the new style fo doing things, but if they are not, it's fine.

We'll check all pyc/pyo files shipped by packages. We'll check if those are explicitly done the new way. If not, we mass push %global _python_bytecompile_extra 1 to the package specs to make them working. It's up the package maintainers to adjust the package to the new style, (or keep the line forever).

Benefit to Fedora

See Changes/No_more_automagic_Python_bytecompilation#Benefit_to_Fedora.


Scope

  • Proposal owners: Change the default, slightly change the guidelines, get the list of packages, push the change into them.
  • Other developers: Maintainers of python3 packages are encouraged to change their packages to use explicit %py_byte_compile (not a System Wide Change, they don't have to do anything).
  • Release engineering: #7680 (a check of an impact with Release Engineering is needed)
  • Policies and guidelines: will be changed as described in description
  • Trademark approval: not needed

Upgrade/compatibility impact

None expected.

How To Test

N/A

User Experience

The users of this change are packagers. The new behavior should make byte-compilation more obvious, explicit, and discoverable. Users of Fedora should not feel this (except if this change uncovers a packaging bug).

Contingency Plan

  • Contingency mechanism: we'll finish the change later (not a System Wide Change)
  • Contingency deadline: none (not a System Wide Change)
  • Blocks release? no (not a System Wide Change)
  • Blocks product? no

Documentation

The guidelines will be the documentation.

Release Notes

This change does not deserve Release Notes, it is not user facing.

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