On Jul 31, 2016 12:25 PM, "Jeremy Stanley" <fu...@yuggoth.org> wrote: > > On 2016-07-30 20:23:14 -0500 (-0500), Wes Turner wrote: > > pbr also supports "environment markers" > > which we would want to preserve when round-tripping (reading in, modifying, > > and writing out) requirements.txt files; > > though IDK if environment markers are part of any Python Packaging Spec? > > > > from http://docs.openstack.org/developer/pbr/#environment-markers : > > > > argparse; python_version=='2.6' > > I'm assuming you didn't follow the "conditional dependencies" link > from the description in that first paragraph, as it would have taken > you to the corresponding section of one: > > https://www.python.org/dev/peps/pep-0426/#environment-markers > > You should probably also see: > > https://www.python.org/dev/peps/pep-0496/ > https://www.python.org/dev/peps/pep-0508/#environment-markers > > Quickly skimming relevant changelogs, environment markers have been > supported by Setuptools since 0.7, and directly in requirements > lists since pip 6.0.
So we still need InstallRequirement.to_requirement_str() as described above ? Is there an implementation which does not mangle hashes and/or environment markers when *writing out* requirements.txt; so that --save could be implemented? > -- > Jeremy Stanley > _______________________________________________ > Distutils-SIG maillist - Distutils-SIG@python.org > https://mail.python.org/mailman/listinfo/distutils-sig
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