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With this patch, `distutils.command.install.INSTALL_SCHEMES` are loaded from `sysconfig._INSTALL_SCHEMES`. The distutils module is deprecated and will be removed in 3.12 (PEP 632). This change makes the `sysconfig._INSTALL_SCHEMES` the single point of truth for install schemes while keeping `distutils.command.install.INSTALL_SCHEMES` exactly the same. If we, during the transition to the sysconfig, change something, this makes sure that it also propagates to distutils until the module gets removed. Moreover, as discussed [on Discourse], Linux distros need to patch distutils/sysconfig to make sure the packages will land in proper locations. This patch makes it easier because it leaves only one location where install schemes are defined which is much easier to patch/adjust. [on Discourse]: https://discuss.python.org/t/pep-632-deprecate-distutils-module/5134 The implementation is slightly different than the plan but I think it's the easiest way how to do it and it also makes the downstream patch simple, flexible and easy to maintain. It's also necessary to implement this before setuptools starts bundling the distutils module so the default install schemes stay in the standard library. The removed code from sysconfig does not seem to have any negative effect because, honestly, it seems that nothing actually uses the install schemes from sysconfig at all. There were many big changes in these modules where they were trying to include packaging in stdlib and then reverted that. Also, the test of distutils install command does not count with the different locations which is good evidence that the reason to have this piece of code is no longer valid. https://bugs.python.org/issue41282 |
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| .. | ||
| NEWS.d | ||
| ACKS | ||
| coverity_model.c | ||
| gdbinit | ||
| HISTORY | ||
| indent.pro | ||
| Porting | ||
| python-config.in | ||
| python-config.sh.in | ||
| python-embed.pc.in | ||
| python-wing3.wpr | ||
| python-wing4.wpr | ||
| python-wing5.wpr | ||
| python.man | ||
| python.pc.in | ||
| README | ||
| README.AIX | ||
| README.coverity | ||
| README.valgrind | ||
| requirements-test.txt | ||
| SpecialBuilds.txt | ||
| svnmap.txt | ||
| valgrind-python.supp | ||
| vgrindefs | ||
Python Misc subdirectory
========================
This directory contains files that wouldn't fit in elsewhere. Some
documents are only of historic importance.
Files found here
----------------
ACKS Acknowledgements
gdbinit Handy stuff to put in your .gdbinit file, if you use gdb
HISTORY News from previous releases -- oldest last
indent.pro GNU indent profile approximating my C style
NEWS News for this release (for some meaning of "this")
Porting Mini-FAQ on porting to new platforms
python-config.in Python script template for python-config
python.man UNIX man page for the python interpreter
python.pc.in Package configuration info template for pkg-config
python-wing*.wpr Wing IDE project file
README The file you're reading now
README.AIX Information about using Python on AIX
README.coverity Information about running Coverity's Prevent on Python
README.valgrind Information for Valgrind users, see valgrind-python.supp
SpecialBuilds.txt Describes extra symbols you can set for debug builds
svnmap.txt Map of old SVN revs and branches to hg changeset ids,
help history-digging
valgrind-python.supp Valgrind suppression file, see README.valgrind
vgrindefs Python configuration for vgrind (a generic pretty printer)