Apply pyupgrade

Author: asvetlov

aiohttp/client.py

@@ -222,7 +222,7 @@ def __init__(
         trust_env: bool = False,
         requote_redirect_url: bool = True,
         trace_configs: Optional[List[TraceConfig]] = None,
-        read_bufsize: int = 2 ** 16
+        read_bufsize: int = 2 ** 16,
     ) -> None:
 
         if loop is None:
@@ -336,7 +336,7 @@ def __del__(self, _warnings: Any = warnings) -> None:
             else:
                 kwargs = {}
             _warnings.warn(
-                "Unclosed client session {!r}".format(self), ResourceWarning, **kwargs
+                f"Unclosed client session {self!r}", ResourceWarning, **kwargs
             )
             context = {"client_session": self, "message": "Unclosed client session"}
             if self._source_traceback is not None:
@@ -377,7 +377,7 @@ async def _request(
         ssl: Optional[Union[SSLContext, bool, Fingerprint]] = None,
         proxy_headers: Optional[LooseHeaders] = None,
         trace_request_ctx: Optional[SimpleNamespace] = None,
-        read_bufsize: Optional[int] = None
+        read_bufsize: Optional[int] = None,
     ) -> ClientResponse:
 
         # NOTE: timeout clamps existing connect and read timeouts.  We cannot
@@ -529,7 +529,7 @@ async def _request(
                             )
                     except asyncio.TimeoutError as exc:
                         raise ServerTimeoutError(
-                            "Connection timeout " "to host {0}".format(url)
+                            "Connection timeout " "to host {}".format(url)
                         ) from exc
 
                     assert conn.transport is not None
@@ -677,7 +677,7 @@ def ws_connect(
         ssl_context: Optional[SSLContext] = None,
         proxy_headers: Optional[LooseHeaders] = None,
         compress: int = 0,
-        max_msg_size: int = 4 * 1024 * 1024
+        max_msg_size: int = 4 * 1024 * 1024,
     ) -> "_WSRequestContextManager":
         """Initiate websocket connection."""
         return _WSRequestContextManager(
@@ -727,7 +727,7 @@ async def _ws_connect(
         ssl_context: Optional[SSLContext] = None,
         proxy_headers: Optional[LooseHeaders] = None,
         compress: int = 0,
-        max_msg_size: int = 4 * 1024 * 1024
+        max_msg_size: int = 4 * 1024 * 1024,
     ) -> ClientWebSocketResponse:
 
         if headers is None:
@@ -1207,7 +1207,7 @@ def request(
     version: HttpVersion = http.HttpVersion11,
     connector: Optional[BaseConnector] = None,
     read_bufsize: Optional[int] = None,
-    loop: Optional[asyncio.AbstractEventLoop] = None
+    loop: Optional[asyncio.AbstractEventLoop] = None,
 ) -> _SessionRequestContextManager:
     """Constructs and sends a request. Returns response object.
     method - HTTP method

aiohttp/client_exceptions.py

@@ -64,7 +64,7 @@ def __init__(
         code: Optional[int] = None,
         status: Optional[int] = None,
         message: str = "",
-        headers: Optional[LooseHeaders] = None
+        headers: Optional[LooseHeaders] = None,
     ) -> None:
         self.request_info = request_info
         if code is not None:
@@ -90,21 +90,21 @@ def __init__(
         self.args = (request_info, history)
 
     def __str__(self) -> str:
-        return "%s, message=%r, url=%r" % (
+        return "{}, message={!r}, url={!r}".format(
             self.status,
             self.message,
             self.request_info.real_url,
         )
 
     def __repr__(self) -> str:
-        args = "%r, %r" % (self.request_info, self.history)
+        args = f"{self.request_info!r}, {self.history!r}"
         if self.status != 0:
-            args += ", status=%r" % (self.status,)
+            args += f", status={self.status!r}"
         if self.message != "":
-            args += ", message=%r" % (self.message,)
+            args += f", message={self.message!r}"
         if self.headers is not None:
-            args += ", headers=%r" % (self.headers,)
-        return "%s(%s)" % (type(self).__name__, args)
+            args += f", headers={self.headers!r}"
+        return "{}({})".format(type(self).__name__, args)
 
     @property
     def code(self) -> int:
@@ -257,7 +257,7 @@ def url(self) -> Any:
         return self.args[0]
 
     def __repr__(self) -> str:
-        return "<{} {}>".format(self.__class__.__name__, self.url)
+        return f"<{self.__class__.__name__} {self.url}>"
 
 
 class ClientSSLError(ClientConnectorError):

aiohttp/client_reqrep.py

@@ -267,7 +267,7 @@ def __init__(
         session: Optional["ClientSession"] = None,
         ssl: Union[SSLContext, bool, Fingerprint, None] = None,
         proxy_headers: Optional[LooseHeaders] = None,
-        traces: Optional[List["Trace"]] = None
+        traces: Optional[List["Trace"]] = None,
     ):
 
         if loop is None:
@@ -381,7 +381,7 @@ def update_version(self, version: Union[http.HttpVersion, str]) -> None:
                 version = http.HttpVersion(int(v[0]), int(v[1]))
             except ValueError:
                 raise ValueError(
-                    "Can not parse http version number: {}".format(version)
+                    f"Can not parse http version number: {version}"
                 ) from None
         self.version = version
 
@@ -392,7 +392,7 @@ def update_headers(self, headers: Optional[LooseHeaders]) -> None:
         # add host
         netloc = cast(str, self.url.raw_host)
         if helpers.is_ipv6_address(netloc):
-            netloc = "[{}]".format(netloc)
+            netloc = f"[{netloc}]"
         if self.url.port is not None and not self.url.is_default_port():
             netloc += ":" + str(self.url.port)
         self.headers[hdrs.HOST] = netloc
@@ -615,8 +615,8 @@ async def send(self, conn: "Connection") -> "ClientResponse":
             connect_host = self.url.raw_host
             assert connect_host is not None
             if helpers.is_ipv6_address(connect_host):
-                connect_host = "[{}]".format(connect_host)
-            path = "{}:{}".format(connect_host, self.url.port)
+                connect_host = f"[{connect_host}]"
+            path = f"{connect_host}:{self.url.port}"
         elif self.proxy and not self.is_ssl():
             path = str(self.url)
         else:
@@ -731,7 +731,7 @@ def __init__(
         request_info: RequestInfo,
         traces: List["Trace"],
         loop: asyncio.AbstractEventLoop,
-        session: "ClientSession"
+        session: "ClientSession",
     ) -> None:
         assert isinstance(url, URL)
 
@@ -808,9 +808,7 @@ def __del__(self, _warnings: Any = warnings) -> None:
                     kwargs = {"source": self}
                 else:
                     kwargs = {}
-                _warnings.warn(
-                    "Unclosed response {!r}".format(self), ResourceWarning, **kwargs
-                )
+                _warnings.warn(f"Unclosed response {self!r}", ResourceWarning, **kwargs)
                 context = {"client_response": self, "message": "Unclosed response"}
                 if self._source_traceback:
                     context["source_traceback"] = self._source_traceback
@@ -1087,7 +1085,7 @@ async def json(
         *,
         encoding: Optional[str] = None,
         loads: JSONDecoder = DEFAULT_JSON_DECODER,
-        content_type: Optional[str] = "application/json"
+        content_type: Optional[str] = "application/json",
     ) -> Any:
         """Read and decodes JSON response."""
         if self._body is None:

aiohttp/client_ws.py

@@ -40,7 +40,7 @@ def __init__(
         receive_timeout: Optional[float] = None,
         heartbeat: Optional[float] = None,
         compress: int = 0,
-        client_notakeover: bool = False
+        client_notakeover: bool = False,
     ) -> None:
         self._response = response
         self._conn = response.connection
@@ -159,7 +159,7 @@ async def send_json(
         data: Any,
         compress: Optional[int] = None,
         *,
-        dumps: JSONEncoder = DEFAULT_JSON_ENCODER
+        dumps: JSONEncoder = DEFAULT_JSON_ENCODER,
     ) -> None:
         await self.send_str(dumps(data), compress=compress)
 
@@ -273,24 +273,20 @@ async def receive(self, timeout: Optional[float] = None) -> WSMessage:
     async def receive_str(self, *, timeout: Optional[float] = None) -> str:
         msg = await self.receive(timeout)
         if msg.type != WSMsgType.TEXT:
-            raise TypeError(
-                "Received message {}:{!r} is not str".format(msg.type, msg.data)
-            )
+            raise TypeError(f"Received message {msg.type}:{msg.data!r} is not str")
         return msg.data
 
     async def receive_bytes(self, *, timeout: Optional[float] = None) -> bytes:
         msg = await self.receive(timeout)
         if msg.type != WSMsgType.BINARY:
-            raise TypeError(
-                "Received message {}:{!r} is not bytes".format(msg.type, msg.data)
-            )
+            raise TypeError(f"Received message {msg.type}:{msg.data!r} is not bytes")
         return msg.data
 
     async def receive_json(
         self,
         *,
         loads: JSONDecoder = DEFAULT_JSON_DECODER,
-        timeout: Optional[float] = None
+        timeout: Optional[float] = None,
     ) -> Any:
         data = await self.receive_str(timeout=timeout)
         return loads(data)

aiohttp/connector.py

@@ -109,17 +109,15 @@ def __init__(
             self._source_traceback = traceback.extract_stack(sys._getframe(1))
 
     def __repr__(self) -> str:
-        return "Connection<{}>".format(self._key)
+        return f"Connection<{self._key}>"
 
     def __del__(self, _warnings: Any = warnings) -> None:
         if self._protocol is not None:
             if PY_36:
                 kwargs = {"source": self}
             else:
                 kwargs = {}
-            _warnings.warn(
-                "Unclosed connection {!r}".format(self), ResourceWarning, **kwargs
-            )
+            _warnings.warn(f"Unclosed connection {self!r}", ResourceWarning, **kwargs)
             if self._loop.is_closed():
                 return
 
@@ -213,7 +211,7 @@ def __init__(
         limit: int = 100,
         limit_per_host: int = 0,
         enable_cleanup_closed: bool = False,
-        loop: Optional[asyncio.AbstractEventLoop] = None
+        loop: Optional[asyncio.AbstractEventLoop] = None,
     ) -> None:
 
         if force_close:
@@ -276,9 +274,7 @@ def __del__(self, _warnings: Any = warnings) -> None:
             kwargs = {"source": self}
         else:
             kwargs = {}
-        _warnings.warn(
-            "Unclosed connector {!r}".format(self), ResourceWarning, **kwargs
-        )
+        _warnings.warn(f"Unclosed connector {self!r}", ResourceWarning, **kwargs)
         context = {
             "connector": self,
             "connections": conns,
@@ -640,7 +636,7 @@ def _release(
         key: "ConnectionKey",
         protocol: ResponseHandler,
         *,
-        should_close: bool = False
+        should_close: bool = False,
     ) -> None:
         if self._closed:
             # acquired connection is already released on connector closing
@@ -757,7 +753,7 @@ def __init__(
         limit: int = 100,
         limit_per_host: int = 0,
         enable_cleanup_closed: bool = False,
-        loop: Optional[asyncio.AbstractEventLoop] = None
+        loop: Optional[asyncio.AbstractEventLoop] = None,
     ):
         super().__init__(
             keepalive_timeout=keepalive_timeout,
@@ -968,7 +964,7 @@ async def _wrap_create_connection(
         req: "ClientRequest",
         timeout: "ClientTimeout",
         client_error: Type[Exception] = ClientConnectorError,
-        **kwargs: Any
+        **kwargs: Any,
     ) -> Tuple[asyncio.Transport, ResponseHandler]:
         try:
             with CeilTimeout(timeout.sock_connect):
@@ -986,7 +982,7 @@ async def _create_direct_connection(
         traces: List["Trace"],
         timeout: "ClientTimeout",
         *,
-        client_error: Type[Exception] = ClientConnectorError
+        client_error: Type[Exception] = ClientConnectorError,
     ) -> Tuple[asyncio.Transport, ResponseHandler]:
         sslcontext = self._get_ssl_context(req)
         fingerprint = self._get_fingerprint(req)

aiohttp/frozenlist.py

@@ -58,7 +58,7 @@ def insert(self, pos, item):
         self._items.insert(pos, item)
 
     def __repr__(self):
-        return "<FrozenList(frozen={}, {!r})>".format(self._frozen, self._items)
+        return f"<FrozenList(frozen={self._frozen}, {self._items!r})>"
 
 
 PyFrozenList = FrozenList

aiohttp/helpers.py

@@ -94,8 +94,8 @@ def all_tasks(
 )  # type: bool
 
 
-CHAR = set(chr(i) for i in range(0, 128))
-CTL = set(chr(i) for i in range(0, 32)) | {
+CHAR = {chr(i) for i in range(0, 128)}
+CTL = {chr(i) for i in range(0, 32)} | {
     chr(127),
 }
 SEPARATORS = {
@@ -184,7 +184,7 @@ def from_url(cls, url: URL, *, encoding: str = "latin1") -> Optional["BasicAuth"
 
     def encode(self) -> str:
         """Encode credentials."""
-        creds = ("%s:%s" % (self.login, self.password)).encode(self.encoding)
+        creds = (f"{self.login}:{self.password}").encode(self.encoding)
         return "Basic %s" % base64.b64encode(creds).decode(self.encoding)
 
 
@@ -777,4 +777,4 @@ def __bool__(self) -> bool:
 
     def __repr__(self) -> str:
         content = ", ".join(map(repr, self._maps))
-        return "ChainMapProxy({})".format(content)
+        return f"ChainMapProxy({content})"

aiohttp/http_exceptions.py

@@ -35,10 +35,10 @@ def __init__(
         self.message = message
 
     def __str__(self) -> str:
-        return "%s, message=%r" % (self.code, self.message)
+        return f"{self.code}, message={self.message!r}"
 
     def __repr__(self) -> str:
-        return "<%s: %s>" % (self.__class__.__name__, self)
+        return f"<{self.__class__.__name__}: {self}>"
 
 
 class BadHttpMessage(HttpProcessingError):
@@ -78,7 +78,7 @@ def __init__(
         self, line: str, limit: str = "Unknown", actual_size: str = "Unknown"
     ) -> None:
         super().__init__(
-            "Got more than %s bytes (%s) when reading %s." % (limit, actual_size, line)
+            f"Got more than {limit} bytes ({actual_size}) when reading {line}."
         )
         self.args = (line, limit, actual_size)
 
@@ -87,7 +87,7 @@ class InvalidHeader(BadHttpMessage):
     def __init__(self, hdr: Union[bytes, str]) -> None:
         if isinstance(hdr, bytes):
             hdr = hdr.decode("utf-8", "surrogateescape")
-        super().__init__("Invalid HTTP Header: {}".format(hdr))
+        super().__init__(f"Invalid HTTP Header: {hdr}")
         self.hdr = hdr
         self.args = (hdr,)
 

aiohttp/http_websocket.py

@@ -298,7 +298,7 @@ def _feed_data(self, data: bytes) -> Tuple[bool, bytes]:
                     if close_code < 3000 and close_code not in ALLOWED_CLOSE_CODES:
                         raise WebSocketError(
                             WSCloseCode.PROTOCOL_ERROR,
-                            "Invalid close code: {}".format(close_code),
+                            f"Invalid close code: {close_code}",
                         )
                     try:
                         close_message = payload[2:].decode("utf-8")
@@ -310,7 +310,7 @@ def _feed_data(self, data: bytes) -> Tuple[bool, bytes]:
                 elif payload:
                     raise WebSocketError(
                         WSCloseCode.PROTOCOL_ERROR,
-                        "Invalid close frame: {} {} {!r}".format(fin, opcode, payload),
+                        f"Invalid close frame: {fin} {opcode} {payload!r}",
                     )
                 else:
                     msg = WSMessage(WSMsgType.CLOSE, 0, "")
@@ -332,7 +332,7 @@ def _feed_data(self, data: bytes) -> Tuple[bool, bytes]:
                 and self._opcode is None
             ):
                 raise WebSocketError(
-                    WSCloseCode.PROTOCOL_ERROR, "Unexpected opcode={!r}".format(opcode)
+                    WSCloseCode.PROTOCOL_ERROR, f"Unexpected opcode={opcode!r}"
                 )
             else:
                 # load text/binary
@@ -577,7 +577,7 @@ def __init__(
         limit: int = DEFAULT_LIMIT,
         random: Any = random.Random(),
         compress: int = 0,
-        notakeover: bool = False
+        notakeover: bool = False,
     ) -> None:
         self.protocol = protocol
         self.transport = transport