AQI 爬虫

AQI 爬虫程序，原网页进行了加密处理，不能直接进行爬去了，需要进行改造。
系统：Ubuntu16.04+python3.6.3
关键：使用pandas的read_html函数读取表格内容。使用selenium的webdriver获取页面。
参考：https://zhuanlan.zhihu.com/p/31099968

import time

import pandas as pd
import requests
from bs4 import BeautifulSoup
from django.utils.http import urlquote
from selenium import webdriver

driver = webdriver.Firefox(executable_path ='/usr/local/bin/geckodriver')

base_url = 'https://www.aqistudy.cn/historydata/daydata.php?city='
str_city = '北京'

def get_month_set():
    month_set = list()
    for i in range(7, 10):
        month_set.append(('2015-0%s' % i))
    for i in range(10, 13):
        month_set.append(('2015-%s' % i))
    for i in range(1, 10):
        month_set.append(('2016-0%s' % i))
    month_set.append(('2016-%s' % 10))
    month_set.append(('2016-%s' % 11))
    return month_set

def get_city_set():
    str_file = r'city.txt'
    fp = open(str_file,'rb')
    city_set = list()
    for line in fp.readlines():
        city_set.append(str(line.strip(),encoding='utf-8'))
    return city_set

month_set = get_month_set()
city_set = get_city_set()

for city in city_set:
    file_name = city + '.csv'
    time.sleep(10)
    for i in range(len(month_set)):
        str_month = month_set[i]

        utf8_city = urlquote(city)
        weburl = ('%s%s&month=%s' % (base_url,utf8_city,str_month))

        driver.get(weburl)
        print (driver)
        dfs = pd.read_html(driver.page_source,header = 0)[0]
        driver.quit()

        dfs.to_csv(file_name)
        print('%d---%s,%s---DONE' % (city_set.index(city), city, str_month))
        time.sleep(30)