def urljoin(base, path):
if not isinstance(path, compat_str) or not path:
return None
- if re.match(r'https?://', path):
+ if re.match(r'^(?:https?:)?//', path):
return path
- if not isinstance(base, compat_str) or not re.match(r'https?://', base):
+ if not isinstance(base, compat_str) or not re.match(r'^(?:https?:)?//', base):
return None
return compat_urlparse.urljoin(base, path)