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Improve py27 detection to avoid "No module named venv" when using plonecli #70

@idgserpro

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@idgserpro
  • Plone CLI version: 2.1.2
  • Python version: 2.7
  • Operating System: Ubuntu 18.04

Right now, the logic to use virtualenv instead of venv is a bit fragile, since it tries to detect python 2 by comparing if the bin is python2.7

if python_bin == "python2.7":

A more robust condition using sys.version_info is better since you can use any compiled python in any path. A little hackish, but it works instead of comparing to python2.7string: if subprocess.call([python_bin, "-c", "import sys; sys.exit(0) if sys.version_info.major == 2 else sys.exit(1)"]) == 0

@jensens

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