forked from M-Labs/artiq
require Python 3.5.2, remove monkey patches
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@ -362,7 +362,7 @@
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.5.1"
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"version": "3.5.2"
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}
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},
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"nbformat": 4,
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@ -1,157 +0,0 @@
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import sys
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__all__ = []
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if sys.version_info[:3] == (3, 5, 1):
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import asyncio
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import socket
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import collections
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import itertools
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import os
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# See https://github.com/m-labs/artiq/issues/253
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@asyncio.coroutines.coroutine
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def create_server(self, protocol_factory, host=None, port=None,
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*,
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family=socket.AF_UNSPEC,
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flags=socket.AI_PASSIVE,
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sock=None,
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backlog=100,
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ssl=None,
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reuse_address=None,
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reuse_port=None):
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"""Create a TCP server.
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The host parameter can be a string, in that case the TCP server is bound
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to host and port.
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The host parameter can also be a sequence of strings and in that case
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the TCP server is bound to all hosts of the sequence. If a host
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appears multiple times (possibly indirectly e.g. when hostnames
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resolve to the same IP address), the server is only bound once to that
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host.
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Return a Server object which can be used to stop the service.
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This method is a coroutine.
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"""
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if isinstance(ssl, bool):
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raise TypeError('ssl argument must be an SSLContext or None')
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if host is not None or port is not None:
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if sock is not None:
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raise ValueError(
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'host/port and sock can not be specified at the same time')
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AF_INET6 = getattr(socket, 'AF_INET6', 0)
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if reuse_address is None:
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reuse_address = os.name == 'posix' and sys.platform != 'cygwin'
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sockets = []
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if host == '':
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hosts = [None]
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elif (isinstance(host, str) or
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not isinstance(host, collections.Iterable)):
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hosts = [host]
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else:
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hosts = host
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fs = [self._create_server_getaddrinfo(host, port, family=family,
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flags=flags)
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for host in hosts]
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infos = yield from asyncio.tasks.gather(*fs, loop=self)
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infos = set(itertools.chain.from_iterable(infos))
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completed = False
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try:
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for res in infos:
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af, socktype, proto, canonname, sa = res
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try:
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sock = socket.socket(af, socktype, proto)
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except socket.error:
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# Assume it's a bad family/type/protocol combination.
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if self._debug:
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asyncio.log.logger.warning('create_server() failed to create '
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'socket.socket(%r, %r, %r)',
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af, socktype, proto, exc_info=True)
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continue
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sockets.append(sock)
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if reuse_address:
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sock.setsockopt(
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socket.SOL_SOCKET, socket.SO_REUSEADDR, True)
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if reuse_port:
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if not hasattr(socket, 'SO_REUSEPORT'):
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raise ValueError(
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'reuse_port not supported by socket module')
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else:
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sock.setsockopt(
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socket.SOL_SOCKET, socket.SO_REUSEPORT, True)
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# Disable IPv4/IPv6 dual stack support (enabled by
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# default on Linux) which makes a single socket
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# listen on both address families.
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if af == AF_INET6 and hasattr(socket, 'IPPROTO_IPV6'):
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sock.setsockopt(socket.IPPROTO_IPV6,
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socket.IPV6_V6ONLY,
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True)
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try:
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sock.bind(sa)
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except OSError as err:
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raise OSError(err.errno, 'error while attempting '
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'to bind on address %r: %s'
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% (sa, err.strerror.lower()))
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completed = True
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finally:
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if not completed:
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for sock in sockets:
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sock.close()
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else:
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if sock is None:
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raise ValueError('Neither host/port nor sock were specified')
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sockets = [sock]
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server = asyncio.base_events.Server(self, sockets)
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for sock in sockets:
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sock.listen(backlog)
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sock.setblocking(False)
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self._start_serving(protocol_factory, sock, ssl, server)
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if self._debug:
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asyncio.log.logger.info("%r is serving", server)
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return server
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asyncio.base_events.BaseEventLoop.create_server = create_server
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# See https://github.com/m-labs/artiq/issues/247
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def _loop_writing(self, f=None, data=None):
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try:
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assert f is self._write_fut
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self._write_fut = None
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self._pending_write = 0
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if f:
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f.result()
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if data is None:
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data = self._buffer
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self._buffer = None
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if not data:
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if self._closing:
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self._loop.call_soon(self._call_connection_lost, None)
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if self._eof_written:
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self._sock.shutdown(socket.SHUT_WR)
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# Now that we've reduced the buffer size, tell the
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# protocol to resume writing if it was paused. Note that
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# we do this last since the callback is called immediately
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# and it may add more data to the buffer (even causing the
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# protocol to be paused again).
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self._maybe_resume_protocol()
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else:
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self._write_fut = self._loop._proactor.send(self._sock, data)
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if not self._write_fut.done():
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assert self._pending_write == 0
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self._pending_write = len(data)
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self._write_fut.add_done_callback(self._loop_writing)
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self._maybe_pause_protocol()
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else:
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self._write_fut.add_done_callback(self._loop_writing)
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except (ConnectionResetError, ConnectionAbortedError) as exc:
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self._force_close(exc)
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except OSError as exc:
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self._fatal_error(exc, 'Fatal write error on pipe transport')
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from asyncio import proactor_events
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proactor_events._ProactorBaseWritePipeTransport._loop_writing = _loop_writing
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@ -1,8 +1,6 @@
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import asyncio
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from copy import copy
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from artiq.monkey_patches import *
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class AsyncioServer:
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"""Generic TCP server based on asyncio.
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@ -12,12 +12,12 @@ build:
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requirements:
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build:
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- python >=3.5.1
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- python >=3.5.2
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- setuptools
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- numpy
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- binutils-or1k-linux
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run:
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- python >=3.5.1
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- python >=3.5.2
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- llvmlite-artiq 0.10.0.dev py35_24
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- lit
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- outputcheck
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