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  • Mike Hommey's avatar
    setup: allow to run setup.py with python 3 without a mercurial checkout · dbbe45ae5ad1
    Mike Hommey authored
    Some people may want to test mercurial in a python 3 environment through e.g.
    pip, in which case setup.py doesn't run in a mercurial checkout, so the hack
    in setup.py to allow python 3 cannot be overcome.
    
    This change allows a manual override with the HGPYTHON3 environment variable.
    
    Additionally, when for some reason the version is unknown (for crazy people
    like me, who have a git checkout of the mercurial repo), the version variable
    ends up being an unicode string, which fails the `isinstance(version, bytes)`
    assertion. So fix that at the same time.
    
    Differential Revision: https://phab.mercurial-scm.org/D3958
    dbbe45ae5ad1