Major fixes and new features

venv/lib/python3.12/site-packages/redis/credentials.py

@@ -0,0 +1,26 @@
+from typing import Optional, Tuple, Union
+
+
+class CredentialProvider:
+    """
+    Credentials Provider.
+    """
+
+    def get_credentials(self) -> Union[Tuple[str], Tuple[str, str]]:
+        raise NotImplementedError("get_credentials must be implemented")
+
+
+class UsernamePasswordCredentialProvider(CredentialProvider):
+    """
+    Simple implementation of CredentialProvider that just wraps static
+    username and password.
+    """
+
+    def __init__(self, username: Optional[str] = None, password: Optional[str] = None):
+        self.username = username or ""
+        self.password = password or ""
+
+    def get_credentials(self):
+        if self.username:
+            return self.username, self.password
+        return (self.password,)