爬取qq号

import re
import urllib.request
import os
import json
import ssl
from collections import deque
 
#把爬去的数据保存到文件的函数
def writeFileBytes(htmlBytes,toPath):
    with open(toPath,"wb") as f:
        f.write(htmlBytes)
 
def writeFileStr(htmlBytes,toPath):
    with open(toPath,"w") as f:
        f.write(str(htmlBytes))
 
#封装爬虫函数
def getHtmlBytes(url):
    headers = {
        "User-Agent": "User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:63.0) Gecko/20100101 Firefox/63.0"
    }
    req = urllib.request.Request(url, headers=headers)  # 请求体
    context=ssl._create_unverified_context() #处理https请求
    response = urllib.request.urlopen(req,context=context)  # 发起请求
    return response.read()
 
#爬虫qq的函数
def qqCrawler(url,toPath):
    htmlBytes=getHtmlBytes(url)
    htmlStr=str(htmlBytes)
 
    #qq的正则
    pat=r"[1-9]\d{4,10}"
    re_qq=re.compile(pat)
    qqList=re_qq.findall(htmlStr)
    qqsList=list(set(qqList))
 
    f=open(toPath,"a")
    for qqStr in qqList:
        f.write(qqStr+"\n")
    f.close()
 
    #url的正则
    pat=r"(((http|https)://)(([a-zA-Z0-9\._-]+\.[a-zA-Z]{2,6})|([0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}))(:[0-9]{1-4})*(/[a-zA-Z0-0\$%_\./-~-]*)?)"
    re_url=re.compile(pat)
    urlList=re_url.findall(htmlStr)
    return [qqList,urlList]
 
def center(url,toPath):
    #通过队列实现
    queue=deque()
    queue.append(url)
    while len(queue)!=0:
        targetUrl=queue.popleft()
        urlList=qqCrawler(targetUrl,toPath)
        for item in urlList:
            tempUrl=item[0]
            queue.append(tempUrl)
 
#调用函数爬去单个页面
url="https://www.douban.com/group/topic/110094603/"
toPath=r"C:\Users\HP\Desktop\qqFile.txt"
qqCrawler(url,toPath)