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scripts/pythondistdeps: "Fix" support of environment markers 

Upstreaming from Fedora
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Tomas Orsava 2020-04-02 13:28:09 +02:00 committed by Panu Matilainen
parent 4c0ed11a30
commit 28c292ae29
1 changed files with 14 additions and 0 deletions
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14
scripts/pythondistdeps.py
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@ -205,6 +205,20 @@ for f in (args.files or stdin.readlines()):
else: else:
warn("Version for {!r} has not been found".format(dist), RuntimeWarning) warn("Version for {!r} has not been found".format(dist), RuntimeWarning)
continue continue
# pkg_resources use platform.python_version to evaluate if a
# dependency is relevant based on environment markers [1],
# e.g. requirement `argparse;python_version<"2.7"`
#
# Since we're running this script on one Python version while
# possibly evaluating packages for different versions, we mock the
# platform.python_version function. Discussed upstream [2].
#
# [1] https://www.python.org/dev/peps/pep-0508/#environment-markers
# [2] https://github.com/pypa/setuptools/pull/1275
import platform
platform.python_version = lambda: dist.py_version
# This is the PEP 503 normalized name. # This is the PEP 503 normalized name.
# It does also convert dots to dashes, unlike dist.key. # It does also convert dots to dashes, unlike dist.key.
# In the current code, we only add additional provides with this. # In the current code, we only add additional provides with this.