我正在尝试将一些工作负载路由/分配给其他云功能,它们全部花费大致相同的时间,但是我必须同步调用它们。我尝试进行设置,并在使用Flask实现它时在瓶上下文之外实例化我的循环时遵循了我的建议,因为它需要控制主线程(也要返回),而且一切似乎仍在同步执行,我只需要在对象中收集一些响应。这个简单的I / O问题似乎不适用于GCP云功能。我已经看过这个link where it's asked if it's even possible。多数民众赞成在纯asynchio,所以这应该工作。如果有人在工作之前就可以做到这一点,您可以分享一个例子吗?
loop = asyncio.get_event_loop()
app = Flask(__name__)
CORS(app)
@app.route('/', methods=['POST'])
def calculations():
calculations_to_perform_queue = []
for calculation_request in request_data['calculations']:
for calculation in calculation_request['calculation_requests']:
calculations_to_perform_queue.append(calculation)
async def threaded_calculation_request_operation(session,
calculation_meta_data) -> dict: reference in calculations if exists
url = calculation_meta_data['endpoint_url']
async with session.post(
url=url,
headers={'X-Access-Token': request.headers['X-Access-Token']},
json=json_safe_response(calculation_meta_data) as response:
return await response.json()
async def session_controler():
async with aiohttp.ClientSession() as session:
finished_queue = []
for calculation in calculations_to_perform_queue:
response = await threaded_calculation_request_operation(session, calculation)
finished_queue.append(response)
return finished_queue
all_returned_charts = loop.run_until_complete(session_controler())
prccesed_response = processed_for_return(all_returned_charts)
return prccesed_response, 200
答案 0 :(得分:0)
您不能直接使用asyncio,python运行时已沙盒化,所以insert into target table (c_id, c_lname, c_mname, c_fname, c_document, c_email, c_dob)
select (c_id, c_lname, c_mname, c_fname, c_document, c_email, c_dob)
from source_table s
where not exists
(select 1 from target_table t where t.c_document=s.c_document);
将出错。
但是有一种方法可以实现异步请求分发,但是(此处模糊地)记载了以下内容:
这也适用于Cloud Functions。