comparison setup.py @ 51161:f816ca29a285

setup: try a non-pure version of the local Mercurial if the pure fails

Things like `zstd` can make the pure version fails.

51160:3c5b66d03c37

    if os.name != 'nt' or not os.path.exists("hg.exe"):
        if attempt(hgcmd + check_cmd, hgenv):
            return hgcommand(hgcmd, hgenv)

    # Fall back to trying the local hg installation.
    hgenv = localhgenv()
    hgcmd = [sys.executable, 'hg']
    if attempt(hgcmd + check_cmd, hgenv):
        return hgcommand(hgcmd, hgenv)

    eprint("/!\\")
    eprint(r"/!\ Unable to find a working hg binary")

        else:
            eprint(r"/!\     exception:  ", res[1])
    return None


def localhgenv():
    """Get an environment dictionary to use for invoking or importing
    mercurial from the local repository."""
    # Execute hg out of this directory with a custom environment which takes
    # care to not use any hgrc files and do no localization.
    env = {
        'HGMODULEPOLICY': 'py',
        'HGRCPATH': '',
        'LANGUAGE': 'C',
        'PATH': '',
    }  # make pypi modules that use os.environ['PATH'] happy
    if 'LD_LIBRARY_PATH' in os.environ:
        env['LD_LIBRARY_PATH'] = os.environ['LD_LIBRARY_PATH']
    if 'SystemRoot' in os.environ:
        # SystemRoot is required by Windows to load various DLLs.  See:
        # https://bugs.python.org/issue13524#msg148850

51161:f816ca29a285

    if os.name != 'nt' or not os.path.exists("hg.exe"):
        if attempt(hgcmd + check_cmd, hgenv):
            return hgcommand(hgcmd, hgenv)

    # Fall back to trying the local hg installation (pure python)
    repo_hg = os.path.join(os.path.dirname(__file__), 'hg')
    hgenv = localhgenv()
    hgcmd = [sys.executable, repo_hg]
    if attempt(hgcmd + check_cmd, hgenv):
        return hgcommand(hgcmd, hgenv)
    # Fall back to trying the local hg installation (whatever we can)
    hgenv = localhgenv(pure_python=False)
    hgcmd = [sys.executable, repo_hg]
    if attempt(hgcmd + check_cmd, hgenv):
        return hgcommand(hgcmd, hgenv)

    eprint("/!\\")
    eprint(r"/!\ Unable to find a working hg binary")

        else:
            eprint(r"/!\     exception:  ", res[1])
    return None


def localhgenv(pure_python=True):
    """Get an environment dictionary to use for invoking or importing
    mercurial from the local repository."""
    # Execute hg out of this directory with a custom environment which takes
    # care to not use any hgrc files and do no localization.
    env = {
        'HGRCPATH': '',
        'LANGUAGE': 'C',
        'PATH': '',
    }  # make pypi modules that use os.environ['PATH'] happy
    if pure_python:
        env['HGMODULEPOLICY'] = 'py'
    if 'LD_LIBRARY_PATH' in os.environ:
        env['LD_LIBRARY_PATH'] = os.environ['LD_LIBRARY_PATH']
    if 'SystemRoot' in os.environ:
        # SystemRoot is required by Windows to load various DLLs.  See:
        # https://bugs.python.org/issue13524#msg148850