combine logic from create_server() and run()

This commit is contained in:
Raphael Deem 2017-01-28 14:54:15 -08:00
parent 753d2da6db
commit 10dbb9186d
3 changed files with 81 additions and 109 deletions

View File

@ -298,6 +298,84 @@ class Sanic:
:param protocol: Subclass of asyncio protocol class
:return: Nothing
"""
server_settings = \
self._helper(host=host, port=port, debug=debug,
before_start=before_start, after_start=after_start,
before_stop=before_stop, after_stop=after_stop,
ssl=ssl, sock=sock, workers=workers, loop=loop,
protocol=protocol, backlog=backlog,
stop_event=stop_event,
register_sys_signals=register_sys_signals)
try:
if workers == 1:
serve(**server_settings)
else:
serve_multiple(server_settings, workers, stop_event)
except Exception as e:
log.exception(
'Experienced exception while trying to serve')
log.info("Server Stopped")
def stop(self):
"""This kills the Sanic"""
get_event_loop().stop()
async def create_server(self, host="127.0.0.1", port=8000, debug=False,
before_start=None, after_start=None,
before_stop=None, after_stop=None, ssl=None,
sock=None, loop=None, protocol=HttpProtocol,
backlog=100, stop_event=None):
"""
Asynchronous version of `run`.
"""
server_settings = \
self._helper(host=host, port=port, debug=debug,
before_start=before_start, after_start=after_start,
before_stop=before_stop, after_stop=after_stop,
ssl=ssl, sock=sock, loop=loop,
protocol=protocol, backlog=backlog,
stop_event=stop_event)
server_settings['run_async'] = True
# Serve
proto = "http"
if ssl is not None:
proto = "https"
log.info('Goin\' Fast @ {}://{}:{}'.format(proto, host, port))
return await serve(**server_settings)
def _helper(self, host="127.0.0.1", port=8000, debug=False,
before_start=None, after_start=None, before_stop=None,
after_stop=None, ssl=None, sock=None, workers=1, loop=None,
protocol=HttpProtocol, backlog=100, stop_event=None,
register_sys_signals=True):
"""
Runs the HTTP Server and listens until keyboard interrupt or term
signal. On termination, drains connections before closing.
:param host: Address to host on
:param port: Port to host on
:param debug: Enables debug output (slows server)
:param before_start: Functions to be executed before the server starts
accepting connections
:param after_start: Functions to be executed after the server starts
accepting connections
:param before_stop: Functions to be executed when a stop signal is
received before it is respected
:param after_stop: Functions to be executed when all requests are
complete
:param ssl: SSLContext for SSL encryption of worker(s)
:param sock: Socket for the server to accept connections from
:param workers: Number of processes
received before it is respected
:param protocol: Subclass of asyncio protocol class
:return: Nothing
"""
self.error_handler.debug = debug
self.debug = debug
self.loop = loop
@ -357,83 +435,4 @@ class Sanic:
if ssl is not None:
proto = "https"
log.info('Goin\' Fast @ {}://{}:{}'.format(proto, host, port))
try:
if workers == 1:
serve(**server_settings)
else:
serve_multiple(server_settings, workers, stop_event)
except Exception as e:
log.exception(
'Experienced exception while trying to serve')
log.info("Server Stopped")
def stop(self):
"""This kills the Sanic"""
get_event_loop().stop()
async def create_server(self, host="127.0.0.1", port=8000, debug=False,
before_start=None, after_start=None,
before_stop=None, after_stop=None, ssl=None,
sock=None, loop=None, protocol=HttpProtocol,
backlog=100, stop_event=None):
"""
Asynchronous version of `run`.
"""
if loop is not None:
if self.debug:
warnings.simplefilter('default')
warnings.warn("Passing a loop will be deprecated in version"
" 0.4.0 https://github.com/channelcat/sanic/"
"pull/335 has more information.",
DeprecationWarning)
loop = get_event_loop()
server_settings = {
'protocol': protocol,
'host': host,
'port': port,
'sock': sock,
'ssl': ssl,
'debug': debug,
'request_handler': self.handle_request,
'error_handler': self.error_handler,
'request_timeout': self.config.REQUEST_TIMEOUT,
'request_max_size': self.config.REQUEST_MAX_SIZE,
'loop': loop,
'backlog': backlog
}
# -------------------------------------------- #
# Register start/stop events
# -------------------------------------------- #
for event_name, settings_name, args, reverse in (
("before_server_start", "before_start", before_start, False),
("after_server_start", "after_start", after_start, False),
("before_server_stop", "before_stop", before_stop, True),
("after_server_stop", "after_stop", after_stop, True)):
listeners = []
for blueprint in self.blueprints.values():
listeners += blueprint.listeners[event_name]
if args:
if callable(args):
args = [args]
listeners += args
if reverse:
listeners.reverse()
# Prepend sanic to the arguments when listeners are triggered
listeners = [partial(listener, self) for listener in listeners]
server_settings[settings_name] = listeners
server_settings['run_async'] = True
# Serve
proto = "http"
if ssl is not None:
proto = "https"
log.info('Goin\' Fast @ {}://{}:{}'.format(proto, host, port))
return await serve(**server_settings)
return server_settings

View File

@ -297,8 +297,8 @@ def serve(host, port, request_handler, error_handler, before_start=None,
:param protocol: Subclass of asyncio protocol class
:return: Nothing
"""
loop = asyncio.get_event_loop()
asyncio.set_event_loop_policy(async_loop.EventLoopPolicy())
loop = async_loop.new_event_loop()
asyncio.set_event_loop(loop)
if debug:
loop.set_debug(debug)

View File

@ -1,27 +0,0 @@
from sanic import Sanic
import asyncio
from signal import signal, SIGINT
import uvloop
def test_loop_policy():
app = Sanic('test_loop_policy')
server = app.create_server(host="0.0.0.0", port=8000)
loop = asyncio.get_event_loop()
task = asyncio.ensure_future(server)
signal(SIGINT, lambda s, f: loop.close())
# serve() sets the event loop policy to uvloop but
# doesn't get called until we run the server task
assert isinstance(asyncio.get_event_loop_policy(),
asyncio.unix_events._UnixDefaultEventLoopPolicy)
try:
loop.run_until_complete(task)
except:
loop.stop()
assert isinstance(asyncio.get_event_loop_policy(),
uvloop.EventLoopPolicy)