Fixes to "hg heads -r FOO":
Make it actually work (undefined variable 'rev'; allow to pass a rev parameter).
repo.branchlookup() doesn't need a copy of heads because it doesn't modify it.
Use None as default argument to heads() instead of nullid.
Doc string PEPification.
def demandload(scope, modules):
class d:
def __getattr__(self, name):
mod = self.__dict__["mod"]
scope = self.__dict__["scope"]
scope[mod] = __import__(mod, scope, scope, [])
return getattr(scope[mod], name)
for m in modules.split():
dl = d()
dl.mod = m
dl.scope = scope
scope[m] = dl