annotate tests/hghaveaddon.py @ 3309:09db38b34cb9

parents: add a utility to filter parents

There is various strange case of merge out there that needs to be handled. We
add an utility function to handle them all.

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