def register_scheme(self, scheme, cls):
"""
It is possible to inject new schemes at runtime
"""
if scheme in self._schemes:
raise DuplicateScheme()
urlparse.register_scheme(scheme)
# TODO (vng): verify the interface of the new class
self._schemes[scheme] = cls
def register_scheme(self, scheme, cls):
if scheme in self._schemes:
raise DuplicateScheme()
urlparse.register_scheme(scheme)
self._schemes[scheme] = cls