#14072: Fix parsing of tel URIs in urlparse by making the check for ports stricter.
diff --git a/Lib/urllib/parse.py b/Lib/urllib/parse.py
index 47b7962..92170ad 100644
--- a/Lib/urllib/parse.py
+++ b/Lib/urllib/parse.py
@@ -338,12 +338,12 @@
if c not in scheme_chars:
break
else:
- try:
- # make sure "url" is not actually a port number (in which case
- # "scheme" is really part of the path
- _testportnum = int(url[i+1:])
- except ValueError:
- scheme, url = url[:i].lower(), url[i+1:]
+ # make sure "url" is not actually a port number (in which case
+ # "scheme" is really part of the path)
+ rest = url[i+1:]
+ if not rest or any(c not in '0123456789' for c in rest):
+ # not a port number
+ scheme, url = url[:i].lower(), rest
if url[:2] == '//':
netloc, url = _splitnetloc(url, 2)