Add a few Redis types (#3016)

* StrictRedis is an alias for Redis in current redis

* Add a few types

* Add missing import

* Add missing argument and types

third_party/2and3/redis/client.pyi

@@ -1,4 +1,7 @@
-from typing import Any
+from datetime import timedelta
+from typing import Any, Text, Optional, Mapping, Union
+
+from .connection import ConnectionPool
 
 SYM_EMPTY: Any
 
@@ -31,16 +34,37 @@ def parse_hscan(response, **options): ...
 def parse_zscan(response, **options): ...
 def parse_slowlog_get(response, **options): ...
 
-class StrictRedis:
+class Redis(object):
     RESPONSE_CALLBACKS: Any
     @classmethod
     def from_url(cls, url, db=..., **kwargs): ...
     connection_pool: Any
     response_callbacks: Any
-    def __init__(self, host=..., port=..., db=..., password=..., socket_timeout=..., socket_connect_timeout=...,
-                 socket_keepalive=..., socket_keepalive_options=..., connection_pool=..., unix_socket_path=..., encoding=...,
-                 encoding_errors=..., charset=..., errors=..., decode_responses=..., retry_on_timeout=..., ssl=...,
-                 ssl_keyfile=..., ssl_certfile=..., ssl_cert_reqs=..., ssl_ca_certs=...) -> None: ...
+    def __init__(
+        self,
+        host: Text = ...,
+        port: int = ...,
+        db: int = ...,
+        password: Optional[Text] = ...,
+        socket_timeout: Optional[float] = ...,
+        socket_connect_timeout: Optional[float] = ...,
+        socket_keepalive: Optional[bool] = ...,
+        socket_keepalive_options: Optional[Mapping[str, Union[int, str]]] = ...,
+        connection_pool: Optional[ConnectionPool] = ...,
+        unix_socket_path: Optional[Text] = ...,
+        encoding: Text = ...,
+        encoding_errors: Text = ...,
+        charset: Optional[Text] = ...,
+        errors: Optional[Text] = ...,
+        decode_responses: bool = ...,
+        retry_on_timeout: bool = ...,
+        ssl: bool = ...,
+        ssl_keyfile: Optional[Text] = ...,
+        ssl_certfile: Optional[Text] = ...,
+        ssl_cert_reqs: Optional[Union[str, int]] = ...,
+        ssl_ca_certs: Optional[Text] = ...,
+        max_connections: Optional[int] = ...,
+    ) -> None: ...
     def set_response_callback(self, command, callback): ...
     def pipeline(self, transaction=..., shard_hint=...): ...
     def transaction(self, func, *watches, **kwargs): ...
@@ -93,9 +117,9 @@ class StrictRedis:
     def dump(self, name): ...
     def exists(self, name): ...
     __contains__: Any
-    def expire(self, name, time): ...
+    def expire(self, name: Text, time: Union[int, timedelta]) -> bool: ...
     def expireat(self, name, when): ...
-    def get(self, name): ...
+    def get(self, name: Text) -> Optional[bytes]: ...
     def __getitem__(self, name): ...
     def getbit(self, name, offset): ...
     def getrange(self, key, start, end): ...
@@ -117,7 +141,15 @@ class StrictRedis:
     def rename(self, src, dst): ...
     def renamenx(self, src, dst): ...
     def restore(self, name, ttl, value): ...
-    def set(self, name, value, ex=..., px=..., nx=..., xx=...): ...
+    def set(
+        self,
+        name: Text,
+        value: Any,
+        ex: Union[None, int, timedelta] = ...,
+        px: Union[None, int, timedelta] = ...,
+        nx: bool = ...,
+        xx: bool = ...,
+    ) -> Optional[bool]: ...
     def __setitem__(self, name, value): ...
     def setbit(self, name, offset, value): ...
     def setex(self, name, time, value): ...
@@ -169,7 +201,7 @@ class StrictRedis:
     def srem(self, name, *values): ...
     def sunion(self, keys, *args): ...
     def sunionstore(self, dest, keys, *args): ...
-    def zadd(self, name, *args, **kwargs): ...
+    def zadd(self, name, mapping, nx: bool = ..., xx: bool = ..., ch: bool = ..., incr: bool = ...): ...
     def zcard(self, name): ...
     def zcount(self, name, min, max): ...
     def zincrby(self, name, value, amount=...): ...
@@ -213,12 +245,7 @@ class StrictRedis:
     def script_load(self, script): ...
     def register_script(self, script): ...
 
-class Redis(StrictRedis):
-    RESPONSE_CALLBACKS: Any
-    def pipeline(self, transaction=..., shard_hint=...): ...
-    def setex(self, name, value, time): ...
-    def lrem(self, name, value, num=...): ...
-    def zadd(self, name, *args, **kwargs): ...
+StrictRedis = Redis
 
 class PubSub:
     PUBLISH_MESSAGE_TYPES: Any