path = path.decode('utf-8')
if not isinstance(path, compat_str) or not path:
return None
- if re.match(r'^(?:https?:)?//', path):
+ if re.match(r'^(?:[a-zA-Z][a-zA-Z0-9+-.]*:)?//', path):
return path
if isinstance(base, bytes):
base = base.decode('utf-8')