本文整理汇总了Python中trio.open_nursery方法的典型用法代码示例。如果您正苦于以下问题:Python trio.open_nursery方法的具体用法?Python trio.open_nursery怎么用?Python trio.open_nursery使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类trio
的用法示例。
在下文中一共展示了trio.open_nursery方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_multiple_contexts
# 需要导入模块: import trio [as 别名]
# 或者: from trio import open_nursery [as 别名]
def test_multiple_contexts():
async def recv_and_send(ctx):
data = await ctx.arecv()
await trio.sleep(0.05)
await ctx.asend(data)
with pynng.Rep0(listen=addr, recv_timeout=500) as rep, \
pynng.Req0(dial=addr, recv_timeout=500) as req1, \
pynng.Req0(dial=addr, recv_timeout=500) as req2:
async with trio.open_nursery() as n:
ctx1, ctx2 = [rep.new_context() for _ in range(2)]
with ctx1, ctx2:
n.start_soon(recv_and_send, ctx1)
n.start_soon(recv_and_send, ctx2)
await req1.asend(b'oh hi')
await req2.asend(b'me toooo')
assert (await req1.arecv() == b'oh hi')
assert (await req2.arecv() == b'me toooo')
示例2: main
# 需要导入模块: import trio [as 别名]
# 或者: from trio import open_nursery [as 别名]
def main():
t0 = datetime.datetime.now()
print(colorama.Fore.WHITE + "App started.", flush=True)
"""
trio.Queue was removed in v0.11.0:
- Replacing the call to trio.Queue() by trio.open_memory_channel()
- Using a MemorySendChannel object in generate_data function
- Using a MemoryReceiveChannel object in process_data function
- Updating requirements.txt with trio v0.16.0 and trio_asyncio v0.11.0
"""
send_channel, receive_channel = trio.open_memory_channel(max_buffer_size=10)
with trio.move_on_after(5):
async with trio.open_nursery() as nursery:
nursery.start_soon(generate_data, 20, send_channel, name='Prod 1')
nursery.start_soon(generate_data, 20, send_channel, name='Prod 2')
nursery.start_soon(process_data, 40, receive_channel, name='Consumer')
dt = datetime.datetime.now() - t0
print(colorama.Fore.WHITE + "App exiting, total time: {:,.2f} sec.".format(
dt.total_seconds()), flush=True)
示例3: _async_get_clients_report
# 需要导入模块: import trio [as 别名]
# 或者: from trio import open_nursery [as 别名]
def _async_get_clients_report(self, clients, agent=None):
"""See :func:`burpui.misc.backend.interface.BUIbackend.get_clients_report`"""
async def __compute_client_report(cli, queue, limit):
async with limit:
if not cli:
return
client = await self._async_get_client(cli['name'])
if not client or not client[-1]:
return
stats = await self._async_get_backup_logs(client[-1]['number'], cli['name'])
queue.append((cli, client, stats))
data = []
limiter = trio.CapacityLimiter(self.concurrency)
async with trio.open_nursery() as nursery:
for client in clients:
nursery.start_soon(__compute_client_report, client, data, limiter)
return self._do_get_clients_report(data)
示例4: getTypesL2
# 需要导入模块: import trio [as 别名]
# 或者: from trio import open_nursery [as 别名]
def getTypesL2(target, types, href):
"""
取得二级分类
"""
loger.info(colored(f'fetching {href}', 'yellow'))
resp = await spiderSession.get(href)
async with trio.open_nursery() as nursery:
for item in jq(resp.text)("body > div.content-base > section > div > table > tbody > tr").items():
name = item(
'td:nth-child(1)>a').text().strip().replace(' ', '_').lower()
target[name] = {}
url = urljoin(href, item('td:nth-child(1)>a').attr('href'))
nums = int(item('td:nth-child(2)').text().strip())
target[name]['url'] = url
target[name]['nums'] = nums
target[name]['UA_list'] = []
for page in range(1, math.ceil(nums/PERPAGE)+1):
TASKS.add('__'.join([
types,
name,
f"{url}{page}"
]))
示例5: getTypesL2
# 需要导入模块: import trio [as 别名]
# 或者: from trio import open_nursery [as 别名]
def getTypesL2(target, types, href):
"""
取得二级分类
"""
loger.info(colored(f'fetching {href}', 'yellow'))
resp = await spiderSession.get(href)
async with trio.open_nursery() as nursery:
for item in jq(resp.text)("body > div.content-base > section > div > table > tbody > tr").items():
name = item(
'td:nth-child(1)>a').text().strip().replace(' ', '_').lower()
target[name] = {}
url = urljoin(href, item('td:nth-child(1)>a').attr('href'))
nums = int(item('td:nth-child(2)').text().strip())
target[name]['url'] = url
target[name]['nums'] = nums
target[name]['UA_list'] = []
for page in range(1, math.ceil(nums/PERPAGE)+1):
TASKS.add('__'.join([
types,
name,
f"{url}{page}"
]))
示例6: test_fetch_concurrent
# 需要导入模块: import trio [as 别名]
# 或者: from trio import open_nursery [as 别名]
def test_fetch_concurrent(asyncio_loop, nursery, autojump_clock):
''' If two tasks request the same robots.txt at the same time, one blocks
while the other requests the file over the network.. '''
db_pool = Mock()
dl = Mock()
dl.download = AsyncMock(side_effect=download)
rtm = RobotsTxtManager(db_pool)
rtm._get_robots_from_db = AsyncMock()
rtm._save_robots_to_db = AsyncMock()
policy = make_policy(usage='OBEY', user_agent='TestAgent1')
async def request1():
assert await rtm.is_allowed('https://www.example/index', policy, dl)
async def request2():
assert not await rtm.is_allowed('https://www.example/bar/', policy, dl)
async with trio.open_nursery() as inner:
inner.start_soon(request1)
inner.start_soon(request2)
assert dl.download.call_count == 1
示例7: main
# 需要导入模块: import trio [as 别名]
# 或者: from trio import open_nursery [as 别名]
def main():
db_config = get_config()['database']
async with trio.open_nursery() as nursery:
conn = await r.connect(
host=db_config['host'],
port=db_config['port'],
db=db_config['db'],
user=db_config['user'],
password=db_config['password'],
nursery=nursery
)
await clear(conn, 'captcha_solver')
await clear(conn, 'domain_login')
await clear(conn, 'frontier')
await clear(conn, 'job')
await clear(conn, 'job_schedule')
await clear(conn, 'policy')
await clear(conn, 'rate_limit')
await clear(conn, 'response')
await clear(conn, 'response_body')
await clear(conn, 'robots_txt')
await conn.close()
示例8: run_query
# 需要导入模块: import trio [as 别名]
# 或者: from trio import open_nursery [as 别名]
def run_query(query, super_user=False):
''' Run ``query`` on RethinkDB and return result. '''
async def async_query():
db_config = config['database']
kwargs = {
'host': db_config['host'],
'port': db_config['port'],
'db': db_config['db'],
'user': db_config['user'],
'password': db_config['password'],
}
if super_user:
kwargs['user'] = db_config['super_user']
kwargs['password'] = db_config['super_password']
async with trio.open_nursery() as nursery:
kwargs['nursery'] = nursery
connect_db = functools.partial(r.connect, **kwargs)
conn = await connect_db()
try:
result = await query.run(conn)
finally:
await conn.close()
return result
return trio.run(async_query)
示例9: run
# 需要导入模块: import trio [as 别名]
# 或者: from trio import open_nursery [as 别名]
def run(self):
"""
Run the subscription.
:returns: This function returns when the sync is complete.
"""
logger.info("%r Starting", self)
async with trio.open_nursery() as nursery:
self._cancel_scope = nursery.cancel_scope
await self._set_initial_job_status()
nursery.start_soon(self._job_status_task)
try:
await self._run_sync()
except (trio.BrokenResourceError, trio.ClosedResourceError):
logger.info("%r Aborted", self)
nursery.cancel_scope.cancel()
try:
await self._send_complete()
logger.info("%r Finished", self)
except (trio.BrokenResourceError, trio.ClosedResourceError):
# If we can't send the completion message, then bail out.
pass
示例10: run
# 需要导入模块: import trio [as 别名]
# 或者: from trio import open_nursery [as 别名]
def run(self, *, task_status=trio.TASK_STATUS_IGNORED):
'''
Run the crawl manager.
You should call ``await nursery.start(crawl_manager.run)`` to ensure
that the crawl manager is ready before calling any of its job methods.
:returns: This function runs until cancelled.
'''
max_sequence = await self._db.get_max_sequence()
self._sequence = itertools.count(start=max_sequence + 1)
logger.info('%r Sequence initialized to %s', self, max_sequence + 1)
async with trio.open_nursery() as nursery:
self._nursery = nursery
task_status.started()
await trio.sleep_forever()
示例11: run
# 需要导入模块: import trio [as 别名]
# 或者: from trio import open_nursery [as 别名]
def run(self, *, task_status=trio.TASK_STATUS_IGNORED):
'''
Run the websocket server.
To ensure that the server is ready, call ``await
nursery.start(server.run)``.
:returns: Runs until cancelled.
'''
logger.info('Starting server on %s:%d', self._host, self._port)
async with trio.open_nursery() as nursery:
serve_fn = partial(serve_websocket, self._handle_connection,
self._host, self._port, ssl_context=None,
handler_nursery=nursery)
server = await nursery.start(serve_fn, name='Connection Listener')
self._port = server.port
task_status.started()
logger.info('Server stopped')
示例12: _monitor_subscription_changes
# 需要导入模块: import trio [as 别名]
# 或者: from trio import open_nursery [as 别名]
def _monitor_subscription_changes(self) -> None:
while not self.is_stopped:
# We wait for the event to change and then immediately replace it
# with a new event. This **must** occur before any additional
# `await` calls to ensure that any *new* changes to the
# subscriptions end up operating on the *new* event and will be
# picked up in the next iteration of the loop.
await self._subscriptions_changed.wait()
self._subscriptions_changed = trio.Event()
# make a copy so that the set doesn't change while we iterate
# over it
subscribed_events = self.get_subscribed_events()
async with trio.open_nursery() as nursery:
async with self._remote_connections_changed:
for remote in self._connections:
nursery.start_soon(
remote.notify_subscriptions_updated,
subscribed_events,
False,
)
async with self._remote_subscriptions_changed:
self._remote_subscriptions_changed.notify_all()
示例13: test_trio_endpoint_wait_for
# 需要导入模块: import trio [as 别名]
# 或者: from trio import open_nursery [as 别名]
def test_trio_endpoint_wait_for(endpoint_pair):
alice, bob = endpoint_pair
# NOTE: this test is the inverse of the broadcast test
event = EventTest("test")
done = trio.Event()
async def _do_wait_for():
result = await alice.wait_for(EventTest)
assert isinstance(result, EventTest)
assert result.value == "test"
done.set()
async with trio.open_nursery() as nursery:
nursery.start_soon(_do_wait_for)
await bob.wait_until_endpoint_subscribed_to(alice.name, EventTest)
await bob.broadcast(event)
await done.wait()
示例14: test_client_ping_same_payload
# 需要导入模块: import trio [as 别名]
# 或者: from trio import open_nursery [as 别名]
def test_client_ping_same_payload(echo_conn):
# This test verifies that two tasks can't ping with the same payload at the
# same time. One of them should succeed and the other should get an
# exception.
exc_count = 0
async def ping_and_catch():
nonlocal exc_count
try:
await echo_conn.ping(b'A')
except ValueError:
exc_count += 1
async with echo_conn:
async with trio.open_nursery() as nursery:
nursery.start_soon(ping_and_catch)
nursery.start_soon(ping_and_catch)
assert exc_count == 1
示例15: run
# 需要导入模块: import trio [as 别名]
# 或者: from trio import open_nursery [as 别名]
def run(self, *, task_status=trio.TASK_STATUS_IGNORED):
'''
Start serving incoming connections requests.
This method supports the Trio nursery start protocol: ``server = await
nursery.start(server.run, …)``. It will block until the server is
accepting connections and then return a :class:`WebSocketServer` object.
:param task_status: Part of the Trio nursery start protocol.
:returns: This method never returns unless cancelled.
'''
async with trio.open_nursery() as nursery:
serve_listeners = partial(trio.serve_listeners,
self._handle_connection, self._listeners,
handler_nursery=self._handler_nursery)
await nursery.start(serve_listeners)
logger.debug('Listening on %s',
','.join([str(l) for l in self.listeners]))
task_status.started(self)
await trio.sleep_forever()