view tests/hghaveaddon.py @ 4683:33696e2159a7 stable

packaging: require mercurial >= 4.5

Otherwise building the doc package fails with:

(third party extension evolve requires version 4.5 or newer of Mercurial; disabling)

Exception occurred:
  File "/usr/lib/python2.7/dist-packages/mercurial/help.py", line 624, in help_
    raise error.Abort(msg, hint=hint)
Abort: no such help topic: evolve

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