view tests/hghaveaddon.py @ 6703:cc49139f580f

evolve: drop cmdutil.STATES compatibility for hg 5.0

The diff is not looking great, but actually the change is pretty
straightforward. What was at some point living inside mercurial.cmdutil, now
lives in mercurial.state and has slightly more sophisticated API.

import hghave

@hghave.check("docgraph-ext", "Extension to generate graph from repository")
def docgraph():
    try:
        import hgext.docgraph
        hgext.docgraph.cmdtable # trigger import
    except ImportError:
        try:
            import hgext3rd.docgraph
            hgext3rd.docgraph.cmdtable # trigger import
        except ImportError:
            return False
    return True

@hghave.check("flake8", "Flake8 python linter")
def has_flake8():
    try:
        import flake8

        flake8.__version__
    except ImportError:
        return False
    else:
        return True

@hghave.check("check-manifest", "check-manifest MANIFEST.in checking tool")
def has_check_manifest():
    return hghave.matchoutput('check-manifest --version 2>&1',
                              br'check-manifest version')

@hghave.check("default-cg3", "changegroup3 by default")
def has_default_changegroup3():
    from mercurial import configitems

    try:
        return configitems.coreitems[b'experimental'][b'changegroup3'].default
    except (AttributeError, KeyError):
        return False