construct SSL connections from URLs. #446

Author: andymccurdy

redis/connection.py

@@ -635,8 +635,14 @@ def from_url(cls, url, db=None, **kwargs):
         For example::
 
             redis://[:password]@localhost:6379/0
+            rediss://[:password]@localhost:6379/0
             unix://[:password]@/path/to/socket.sock?db=0
 
+        Three URL schemes are supported:
+            redis:// creates a normal TCP socket connection
+            rediss:// creates a SSL wrapped TCP socket connection
+            unix:// creates a Unix Domain Socket connection
+
         There are several ways to specify a database number. The parse function
         will return the first specified option:
             1. A ``db`` querystring option, e.g. redis://localhost?db=0
@@ -693,6 +699,9 @@ def from_url(cls, url, db=None, **kwargs):
                 except (AttributeError, ValueError):
                     pass
 
+            if url.scheme == 'rediss':
+                url_options['connection_class'] = SSLConnection
+
         # last shot at the db value
         url_options['db'] = int(url_options.get('db', db or 0))