Issue12541 - Add UserWarning for unquoted realms
diff --git a/Lib/urllib/request.py b/Lib/urllib/request.py
index cbcbe1a..0035e70 100644
--- a/Lib/urllib/request.py
+++ b/Lib/urllib/request.py
@@ -95,6 +95,7 @@
import sys
import time
import collections
+import warnings
from urllib.error import URLError, HTTPError, ContentTooShortError
from urllib.parse import (
@@ -827,6 +828,9 @@
mo = AbstractBasicAuthHandler.rx.search(authreq)
if mo:
scheme, quote, realm = mo.groups()
+ if quote not in ["'", '"']:
+ warnings.warn("Basic Auth Realm was unquoted",
+ UserWarning, 2)
if scheme.lower() == 'basic':
response = self.retry_http_basic_auth(host, req, realm)
if response and response.code != 401: