python爬取天氣預報

import requests
from bs4 import BeautifulSoup
def getHTML(url):
    try:
        r = requests.get(url,timeout=30)
        r.raise_for_status()
        r.encoding = r.apparent_encoding
        return r.text
    except:
        return ""
 
def getLocation(url):
    html = getHTML(url)
    soup = BeautifulSoup(html,'html.parser')
    paras = soup.select('.topbar h2')
    return paras
 
def getWeather(url):
    html = getHTML(url)
    soup = BeautifulSoup(html,'html.parser')
    paras = soup.select('.txt')
    return paras

def getWet(url):
    html = getHTML(url)
    soup = BeautifulSoup(html,'html.parser')
    paras = soup.select('.b2')
    return paras

def getWind(url):
    html = getHTML(url)
    soup = BeautifulSoup(html,'html.parser')
    paras = soup.select('.b3')
    return paras    

def saveFile(text):
    f=open('C:\\Users\\Administrator\\Desktop\\爬蟲\\weather.txt','a')
    for t in text:
        if len(t) > 0:
            f.writelines(t.get_text() + "\n")
    f.close()

def getAll(url):
    location = getLocation(url)
    saveFile(location)
    weather = getWeather(url)
    saveFile(weather)
    wet = getWet(url)
    saveFile(wet)
    wind = getWind(url)
    saveFile(wind)
    
def main():
    beijing = 'https://m.tianqi.com/beijing/'
    changsha = 'https://m.tianqi.com/changsha/'
    getAll(beijing)
    getAll(changsha)
 
main()