Python异步调用单独的函数
我有4个函数,如下所示,其中3个调用外部API来获取随机数据:Python异步调用单独的函数,python,python-3.x,asynchronous,python-requests,concurrent.futures,Python,Python 3.x,Asynchronous,Python Requests,Concurrent.futures,我有4个函数,如下所示,其中3个调用外部API来获取随机数据: def get_external_data(zip_code, info_code): data_url = MY_ENDPOINT_1.format(zip_code) data_response = requests.request( 'GET', url=data_url, headers={ 'content-Type': 'applic
def get_external_data(zip_code, info_code):
data_url = MY_ENDPOINT_1.format(zip_code)
data_response = requests.request(
'GET',
url=data_url,
headers={
'content-Type': 'application/json',
'info-code': info_code
}
)
return data_response
def get_info(info_code):
info_url = INFO_URL.format(info_code)
info_response = requests.request(
'GET',
url=info_url,
headers={
'content-Type': 'application/json',
'info-code': info_code
}
)
return info_response
def get_zip(zip_code):
zip_url = zip_URL.format(zip_code)
zip_response = requests.request(
'GET',
url=zip_url,
headers={
'content-Type': 'application/json',
'zip-code': zip_code
}
)
return zip_response
def get_all_data(info_cd, zip_code):
data_response = get_external_data(zip_code, info_cd)
info_response = get_info(info_cd)
zip_response = get_zip(zip_code)
return data_response, info_response, zip_response
我试图通过使用get\u all\u data()
函数中的concurrent.futures
调用3个数据函数来实现3个异步调用。从文档中我了解到,我们可以使用一个输入列表来执行一个函数,如下所示:
resp_list = list()
# Asynchronous
with ThreadPoolExecutor(max_workers=3) as executor:
thread_responses = executor.map(self.get_info, info_list)
for x in thread_responses:
resp_list.append(x)
但是,在这种特殊情况下,如何使用3个不同的函数和不同的输入实现3个线程?您可以使用执行器在自己的线程中进行每个调用。提交,如下所示:
with ThreadPoolExecutor(max_workers=3) as executor:
data_future = executor.submit(get_external_data, zip_code, info_cd)
info_future = executor.submit(get_info, info_cd)
zip_future = executor.submit(get_zip, zip_code)
# and then collect results
results = [
f.result()
for f in (data_future, info_future, zip_future)
]
见相关文件: