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207 lines
5.7 KiB
207 lines
5.7 KiB
5 months ago
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import socket
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import warnings
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class TransportSocket:
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"""A socket-like wrapper for exposing real transport sockets.
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These objects can be safely returned by APIs like
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`transport.get_extra_info('socket')`. All potentially disruptive
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operations (like "socket.close()") are banned.
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"""
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__slots__ = ('_sock',)
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def __init__(self, sock: socket.socket):
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self._sock = sock
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def _na(self, what):
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warnings.warn(
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f"Using {what} on sockets returned from get_extra_info('socket') "
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f"will be prohibited in asyncio 3.9. Please report your use case "
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f"to bugs.python.org.",
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DeprecationWarning, source=self)
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@property
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def family(self):
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return self._sock.family
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@property
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def type(self):
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return self._sock.type
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@property
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def proto(self):
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return self._sock.proto
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def __repr__(self):
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s = (
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f"<asyncio.TransportSocket fd={self.fileno()}, "
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f"family={self.family!s}, type={self.type!s}, "
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f"proto={self.proto}"
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)
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if self.fileno() != -1:
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try:
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laddr = self.getsockname()
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if laddr:
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s = f"{s}, laddr={laddr}"
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except socket.error:
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pass
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try:
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raddr = self.getpeername()
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if raddr:
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s = f"{s}, raddr={raddr}"
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except socket.error:
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pass
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return f"{s}>"
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def __getstate__(self):
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raise TypeError("Cannot serialize asyncio.TransportSocket object")
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def fileno(self):
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return self._sock.fileno()
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def dup(self):
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return self._sock.dup()
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def get_inheritable(self):
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return self._sock.get_inheritable()
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def shutdown(self, how):
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# asyncio doesn't currently provide a high-level transport API
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# to shutdown the connection.
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self._sock.shutdown(how)
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def getsockopt(self, *args, **kwargs):
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return self._sock.getsockopt(*args, **kwargs)
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def setsockopt(self, *args, **kwargs):
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self._sock.setsockopt(*args, **kwargs)
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def getpeername(self):
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return self._sock.getpeername()
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def getsockname(self):
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return self._sock.getsockname()
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def getsockbyname(self):
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return self._sock.getsockbyname()
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def accept(self):
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self._na('accept() method')
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return self._sock.accept()
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def connect(self, *args, **kwargs):
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self._na('connect() method')
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return self._sock.connect(*args, **kwargs)
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def connect_ex(self, *args, **kwargs):
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self._na('connect_ex() method')
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return self._sock.connect_ex(*args, **kwargs)
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def bind(self, *args, **kwargs):
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self._na('bind() method')
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return self._sock.bind(*args, **kwargs)
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def ioctl(self, *args, **kwargs):
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self._na('ioctl() method')
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return self._sock.ioctl(*args, **kwargs)
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def listen(self, *args, **kwargs):
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self._na('listen() method')
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return self._sock.listen(*args, **kwargs)
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def makefile(self):
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self._na('makefile() method')
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return self._sock.makefile()
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def sendfile(self, *args, **kwargs):
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self._na('sendfile() method')
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return self._sock.sendfile(*args, **kwargs)
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def close(self):
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self._na('close() method')
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return self._sock.close()
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def detach(self):
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self._na('detach() method')
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return self._sock.detach()
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def sendmsg_afalg(self, *args, **kwargs):
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self._na('sendmsg_afalg() method')
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return self._sock.sendmsg_afalg(*args, **kwargs)
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def sendmsg(self, *args, **kwargs):
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self._na('sendmsg() method')
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return self._sock.sendmsg(*args, **kwargs)
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def sendto(self, *args, **kwargs):
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self._na('sendto() method')
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return self._sock.sendto(*args, **kwargs)
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def send(self, *args, **kwargs):
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self._na('send() method')
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return self._sock.send(*args, **kwargs)
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def sendall(self, *args, **kwargs):
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self._na('sendall() method')
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return self._sock.sendall(*args, **kwargs)
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def set_inheritable(self, *args, **kwargs):
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self._na('set_inheritable() method')
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return self._sock.set_inheritable(*args, **kwargs)
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def share(self, process_id):
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self._na('share() method')
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return self._sock.share(process_id)
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def recv_into(self, *args, **kwargs):
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self._na('recv_into() method')
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return self._sock.recv_into(*args, **kwargs)
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def recvfrom_into(self, *args, **kwargs):
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self._na('recvfrom_into() method')
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return self._sock.recvfrom_into(*args, **kwargs)
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def recvmsg_into(self, *args, **kwargs):
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self._na('recvmsg_into() method')
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return self._sock.recvmsg_into(*args, **kwargs)
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def recvmsg(self, *args, **kwargs):
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self._na('recvmsg() method')
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return self._sock.recvmsg(*args, **kwargs)
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def recvfrom(self, *args, **kwargs):
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self._na('recvfrom() method')
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return self._sock.recvfrom(*args, **kwargs)
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def recv(self, *args, **kwargs):
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self._na('recv() method')
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return self._sock.recv(*args, **kwargs)
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def settimeout(self, value):
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if value == 0:
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return
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raise ValueError(
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'settimeout(): only 0 timeout is allowed on transport sockets')
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def gettimeout(self):
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return 0
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def setblocking(self, flag):
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if not flag:
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return
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raise ValueError(
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'setblocking(): transport sockets cannot be blocking')
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def __enter__(self):
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self._na('context manager protocol')
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return self._sock.__enter__()
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def __exit__(self, *err):
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self._na('context manager protocol')
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return self._sock.__exit__(*err)
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