[stdlib] Mark constants as Final (#14577)

stdlib/telnetlib.pyi

@@ -2,89 +2,89 @@ import socket
 from collections.abc import Callable, MutableSequence, Sequence
 from re import Match, Pattern
 from types import TracebackType
-from typing import Any
+from typing import Any, Final
 from typing_extensions import Self
 
 __all__ = ["Telnet"]
 
-DEBUGLEVEL: int
-TELNET_PORT: int
+DEBUGLEVEL: Final = 0
+TELNET_PORT: Final = 23
 
-IAC: bytes
-DONT: bytes
-DO: bytes
-WONT: bytes
-WILL: bytes
-theNULL: bytes
+IAC: Final = b"\xff"
+DONT: Final = b"\xfe"
+DO: Final = b"\xfd"
+WONT: Final = b"\xfc"
+WILL: Final = b"\xfb"
+theNULL: Final = b"\x00"
 
-SE: bytes
-NOP: bytes
-DM: bytes
-BRK: bytes
-IP: bytes
-AO: bytes
-AYT: bytes
-EC: bytes
-EL: bytes
-GA: bytes
-SB: bytes
+SE: Final = b"\xf0"
+NOP: Final = b"\xf1"
+DM: Final = b"\xf2"
+BRK: Final = b"\xf3"
+IP: Final = b"\xf4"
+AO: Final = b"\xf5"
+AYT: Final = b"\xf6"
+EC: Final = b"\xf7"
+EL: Final = b"\xf8"
+GA: Final = b"\xf9"
+SB: Final = b"\xfa"
 
-BINARY: bytes
-ECHO: bytes
-RCP: bytes
-SGA: bytes
-NAMS: bytes
-STATUS: bytes
-TM: bytes
-RCTE: bytes
-NAOL: bytes
-NAOP: bytes
-NAOCRD: bytes
-NAOHTS: bytes
-NAOHTD: bytes
-NAOFFD: bytes
-NAOVTS: bytes
-NAOVTD: bytes
-NAOLFD: bytes
-XASCII: bytes
-LOGOUT: bytes
-BM: bytes
-DET: bytes
-SUPDUP: bytes
-SUPDUPOUTPUT: bytes
-SNDLOC: bytes
-TTYPE: bytes
-EOR: bytes
-TUID: bytes
-OUTMRK: bytes
-TTYLOC: bytes
-VT3270REGIME: bytes
-X3PAD: bytes
-NAWS: bytes
-TSPEED: bytes
-LFLOW: bytes
-LINEMODE: bytes
-XDISPLOC: bytes
-OLD_ENVIRON: bytes
-AUTHENTICATION: bytes
-ENCRYPT: bytes
-NEW_ENVIRON: bytes
+BINARY: Final = b"\x00"
+ECHO: Final = b"\x01"
+RCP: Final = b"\x02"
+SGA: Final = b"\x03"
+NAMS: Final = b"\x04"
+STATUS: Final = b"\x05"
+TM: Final = b"\x06"
+RCTE: Final = b"\x07"
+NAOL: Final = b"\x08"
+NAOP: Final = b"\t"
+NAOCRD: Final = b"\n"
+NAOHTS: Final = b"\x0b"
+NAOHTD: Final = b"\x0c"
+NAOFFD: Final = b"\r"
+NAOVTS: Final = b"\x0e"
+NAOVTD: Final = b"\x0f"
+NAOLFD: Final = b"\x10"
+XASCII: Final = b"\x11"
+LOGOUT: Final = b"\x12"
+BM: Final = b"\x13"
+DET: Final = b"\x14"
+SUPDUP: Final = b"\x15"
+SUPDUPOUTPUT: Final = b"\x16"
+SNDLOC: Final = b"\x17"
+TTYPE: Final = b"\x18"
+EOR: Final = b"\x19"
+TUID: Final = b"\x1a"
+OUTMRK: Final = b"\x1b"
+TTYLOC: Final = b"\x1c"
+VT3270REGIME: Final = b"\x1d"
+X3PAD: Final = b"\x1e"
+NAWS: Final = b"\x1f"
+TSPEED: Final = b" "
+LFLOW: Final = b"!"
+LINEMODE: Final = b'"'
+XDISPLOC: Final = b"#"
+OLD_ENVIRON: Final = b"$"
+AUTHENTICATION: Final = b"%"
+ENCRYPT: Final = b"&"
+NEW_ENVIRON: Final = b"'"
 
-TN3270E: bytes
-XAUTH: bytes
-CHARSET: bytes
-RSP: bytes
-COM_PORT_OPTION: bytes
-SUPPRESS_LOCAL_ECHO: bytes
-TLS: bytes
-KERMIT: bytes
-SEND_URL: bytes
-FORWARD_X: bytes
-PRAGMA_LOGON: bytes
-SSPI_LOGON: bytes
-PRAGMA_HEARTBEAT: bytes
-EXOPL: bytes
-NOOPT: bytes
+TN3270E: Final = b"("
+XAUTH: Final = b")"
+CHARSET: Final = b"*"
+RSP: Final = b"+"
+COM_PORT_OPTION: Final = b","
+SUPPRESS_LOCAL_ECHO: Final = b"-"
+TLS: Final = b"."
+KERMIT: Final = b"/"
+SEND_URL: Final = b"0"
+FORWARD_X: Final = b"1"
+PRAGMA_LOGON: Final = b"\x8a"
+SSPI_LOGON: Final = b"\x8b"
+PRAGMA_HEARTBEAT: Final = b"\x8c"
+EXOPL: Final = b"\xff"
+NOOPT: Final = b"\x00"
 
 class Telnet:
     host: str | None  # undocumented