Ensure packaging dependency is self-contained.
#355
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This dependency was not included in the pex `.bootstrap/` previously leading to issues with use of pex as a library. We use the vendored version from setuptools for now - which it leaks through its API. Notes are added in the right spots to deal with setuptools de-vendoring of `packaging` in its newest releases when we upgrade setuptools next.
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Now: I also verified setuptools 20.0.0 - our lower bound - has a vendored |
kwlzn
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May 26, 2017
…r attribute required by PR 355 (#391) In #355 package.py was updated to assume that the Requirement class has the specifier attribute. The specifier attribute wasn't added to the Requirement class until setuptools 20.3 pypa/setuptools@de4bdcf The error when there is an older setuptools is Exception message: Requirement instance has no attribute 'specifier'
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This dependency was not included in the pex
.bootstrap/previouslyleading to issues with use of pex as a library. We use the vendored
version from setuptools for now - which it leaks through its API. Notes
are added in the right spots to deal with setuptools de-vendoring of
packagingin its newest releases when we upgrade setuptools next.Closes #354