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from socket import socket
from typing import Any, Dict, Optional, Tuple
STATUS_NORMAL = 1000
class ABNF:
"""
ABNF frame class.
See http://tools.ietf.org/html/rfc5234
and http://tools.ietf.org/html/rfc6455#section-5.2
"""
# operation code values.
OPCODE_CONT = 0x0
OPCODE_TEXT = 0x1
OPCODE_BINARY = 0x2
OPCODE_CLOSE = 0x8
OPCODE_PING = 0x9
OPCODE_PONG = 0xA
# available operation code value tuple
OPCODES = (
OPCODE_CONT,
OPCODE_TEXT,
OPCODE_BINARY,
OPCODE_CLOSE,
OPCODE_PING,
OPCODE_PONG,
)
# opcode human readable string
OPCODE_MAP = {
OPCODE_CONT: "cont",
OPCODE_TEXT: "text",
OPCODE_BINARY: "binary",
OPCODE_CLOSE: "close",
OPCODE_PING: "ping",
OPCODE_PONG: "pong",
}
# data length threshold.
LENGTH_7 = 0x7E
LENGTH_16 = 1 << 16
LENGTH_63 = 1 << 63
class WebSocketException(Exception): ...
class WebSocketConnectionClosedException(WebSocketException): ...
class WebSocket:
sock: socket
def ping(self, payload: str = ...) -> None: ...
def recv_data(
self, control_frame: bool
) -> Tuple[int, Any,]: ...
def close(
self, status: int = STATUS_NORMAL, reason: bytes = b"", timeout: int = 3
) -> None: ...
def create_connection(
url: str, timeout: Optional[int] = ..., **options: Dict[str, Any]
) -> WebSocket: ...
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