tree 4d6d7ef1042fa4235bb962e9fcbf4d005041eaf3
parent 13bf8b7769c5eeabdda5d9ea0cf3ae9e895cc61c
author Jon Brandvein <brandjon@google.com> 1573493536 -0500
committer GitHub <noreply@github.com> 1573493536 -0500
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Add python_interpreter attr to pip rules (#252)

This adds a `python_interpreter` attribute to `pip_import` and `whl_library` that can be used to select the system command used to run Python's packaging tools. This provides the basis for invoking pip under Python 3 to install PY3 dependencies.

Example usage:
```
pip_import(
    name = 'pip_deps',
    requirements = '//:requirements.txt',
    python_interpreter = 'python3.7',
)
```

The par files have been regenerated. (This required a little bootstrapping since piptool.py needs to be modified to accept the flag before pip.bzl is modified to pass it.)