plexpy/lib/dns/_asyncbackend.py
dependabot[bot] 3c93b5600f
Bump dnspython from 2.0.0 to 2.2.0 (#1618)
* Bump dnspython from 2.0.0 to 2.2.0

Bumps [dnspython]() from 2.0.0 to 2.2.0.

---
updated-dependencies:
- dependency-name: dnspython
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update dnspython==2.2.0

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: JonnyWong16 <9099342+JonnyWong16@users.noreply.github.com>

[skip ci]
2022-01-25 11:08:24 -08:00

69 lines
1.8 KiB
Python

# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
# This is a nullcontext for both sync and async. 3.7 has a nullcontext,
# but it is only for sync use.
class NullContext:
def __init__(self, enter_result=None):
self.enter_result = enter_result
def __enter__(self):
return self.enter_result
def __exit__(self, exc_type, exc_value, traceback):
pass
async def __aenter__(self):
return self.enter_result
async def __aexit__(self, exc_type, exc_value, traceback):
pass
# These are declared here so backends can import them without creating
# circular dependencies with dns.asyncbackend.
class Socket: # pragma: no cover
async def close(self):
pass
async def getpeername(self):
raise NotImplementedError
async def getsockname(self):
raise NotImplementedError
async def __aenter__(self):
return self
async def __aexit__(self, exc_type, exc_value, traceback):
await self.close()
class DatagramSocket(Socket): # pragma: no cover
async def sendto(self, what, destination, timeout):
raise NotImplementedError
async def recvfrom(self, size, timeout):
raise NotImplementedError
class StreamSocket(Socket): # pragma: no cover
async def sendall(self, what, timeout):
raise NotImplementedError
async def recv(self, size, timeout):
raise NotImplementedError
class Backend: # pragma: no cover
def name(self):
return 'unknown'
async def make_socket(self, af, socktype, proto=0,
source=None, destination=None, timeout=None,
ssl_context=None, server_hostname=None):
raise NotImplementedError
def datagram_connection_required(self):
return False