python线程池官网-Python线程池下载txt

下次试试用scrapy模块

# coding=utf-8

import requests

import threadpool

def download_file(i):

"""下载文件"""

download_url = f"https://www.txt2016.com/e/DownSys/xiazai/?classid=1&pathid=0&id={i}"

file = requests.get(download_url)

try:

filename = file.headers["Content-Disposition"][21:][:-19].encode("iso8859-1").decode("utf-8")

filename = filename.replace("/","-") + ".txt"

# print(filename)

with open(f"./txt/{filename}", "wb") as txt_file:

txt_file.write(file.content)

print(i, ": ", filename)

except KeyError:

print(file.headers)

print(file.status_code)

print("网址不存在")

if __name__ == "__main__":

urls = [i for i in range(2275, 113642)] # urls里任务很多, 比如几百个, 让pool自己去调度

pool = threadpool.ThreadPool(8) # 线程池设置,最多同时跑8个线程

tasks = threadpool.makeRequests(download_file, urls)

# makeRequests构造线程task请求, 第一个参数是线程函数, 第二个是参数数组

[pool.putRequest(task) for task in tasks]

# 列表推导式, putRequest向线程池里加task, 让pool自己去调度task

pool.wait() # 等所有任务结束

最后

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