Made user info not required for RedisDSN. This will fix the issue pyd…

…antic#1275
314e · Mar 11, 2020 · 184e8b6 · 184e8b6
1 parent 6b48dbe
commit 184e8b6
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diff --git a/pydantic/networks.py b/pydantic/networks.py
@@ -53,7 +53,7 @@ def url_regex() -> Pattern[str]:
     if _url_regex_cache is None:
         _url_regex_cache = re.compile(
             r'(?:(?P<scheme>[a-z][a-z0-9+\-.]+)://)?'  # scheme https://tools.ietf.org/html/rfc3986#appendix-A
-            r'(?:(?P<user>[^\s:/]+)(?::(?P<password>[^\s/]*))?@)?'  # user info
+            r'(?:(?P<user>[^\s:/]+)?(?::(?P<password>[^\s/]*))?@)?'  # user info
             r'(?:'
             r'(?P<ipv4>(?:\d{1,3}\.){3}\d{1,3})|'  # ipv4
             r'(?P<ipv6>\[[A-F0-9]*:[A-F0-9:]+\])|'  # ipv6

diff --git a/tests/test_networks.py b/tests/test_networks.py
@@ -452,3 +452,6 @@ class Model(BaseModel):
 
     assert str(Model(v=NameEmail('foo bar', 'foobaR@example.com')).v) == 'foo bar <foobaR@example.com>'
     assert str(Model(v='foo bar  <foobaR@example.com>').v) == 'foo bar <foobaR@example.com>'
+
+if __name__ == '__main__':
+    test_redis_dsns()