小編典典

注意

下面的答案是不適用于請(qǐng)求v0.13.0 +。編寫(xiě)此問(wèn)題后，異步功能已移至grequests。但是，你可以將其替換requests為grequests下面的內(nèi)容，它應(yīng)該可以工作。

我已經(jīng)留下了這個(gè)答案，以反映原始問(wèn)題，即有關(guān)使用請(qǐng)求

要async.map異步執(zhí)行多個(gè)任務(wù)，你必須：

為每個(gè)對(duì)象定義一個(gè)函數(shù)(你的任務(wù))

將該功能添加為請(qǐng)求中的事件掛鉤

調(diào)用async.map所有請(qǐng)求/操作的列表

例：

from requests import async

# If using requests > v0.13.0, use

# from grequests import async

urls = [

'http://python-requests.org',

'http://httpbin.org',

'http://python-guide.org',

'http://kennethreitz.com'

]

# A simple task to do to each response object

def do_something(response):

print response.url

# A list to hold our things to do via async

async_list = []

for u in urls:

# The "hooks = {..." part is where you define what you want to do

#

# Note the lack of parentheses following do_something, this is

# because the response will be used as the first argument automatically

action_item = async.get(u, hooks = {'response' : do_something})

# Add the task to our list of things to do via async

async_list.append(action_item)

# Do our list of things to do via async

async.map(async_list)

2020-02-17

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