annotate tests/hghaveaddon.py @ 4740:f8ef6d5f56f2

py3: don't depend on map() iterating over its input

map(some_generator()) in py2 returns a list, while in py3 it returns a
generator, so the passed-in generator won't be called unless the
returned one is.

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