py3: call branchmap.items() on py3 and continue to call iteritems() on py2
Mercurial's source transformer also replaces the 'def iteritems(' in
branchmap by 'def items(', so we need to call whichever version is
there.
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