Fix Issue754016 - urlparse goes wrong with IP:port without scheme
diff --git a/Lib/urllib/parse.py b/Lib/urllib/parse.py
index 133b9d9..00f0e5b 100644
--- a/Lib/urllib/parse.py
+++ b/Lib/urllib/parse.py
@@ -192,11 +192,12 @@
v = SplitResult(scheme, netloc, url, query, fragment)
_parse_cache[key] = v
return v
- for c in url[:i]:
- if c not in scheme_chars:
- break
- else:
- scheme, url = url[:i].lower(), url[i+1:]
+ if url.endswith(':') or not url[i+1].isdigit():
+ for c in url[:i]:
+ if c not in scheme_chars:
+ break
+ else:
+ scheme, url = url[:i].lower(), url[i+1:]
if url[:2] == '//':
netloc, url = _splitnetloc(url, 2)
if (('[' in netloc and ']' not in netloc) or