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GET和POST的封裝

try 呵呵 utf-8 () return baidu error print ade

from urllib import request, parse
from urllib.error import HTTPError, URLError


def get(url, headers=None):

    return urlrequests(url, headers = headers)

def post(url,form, headers=None):

    return urlrequests(url, form, headers=headers)


def urlrequests(url, form=None,headers=None):
    
    user_agent 
= Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36 #如果用戶需要自行傳入

  if headers == None:
    headers = {
      ‘User-Agent‘: user_agent
    }
  
  html_bytes = b‘‘
  
  try:
    if form:
      #POST
      #2.1轉換成str
      form_str = parse.urlencode(form)
      #2.2轉換成butes
      form_bytes = form_str.encode(‘utf-8‘)
      req = request.Request(url, data=form_bytes, headers+headers)
    else:
      #GET
      req = request.Request(url, headers=headers)
    response = request.urlopen(req)
    html_byres = response.read()
  except HTTPError as e:
    print(e)
  except URLError as e:
    print(e)
  return html_bytes

if __name__ == ‘__main__‘:
  url = ‘http://fanyi.baidu.com/sug‘
  form = {
    ‘kw‘: ‘呵呵‘
  }
  html_bytes = post(url, form=form)
  print(html_bytes)

  #url = ‘http://www.baidu.com‘
  #html_byte = get(url)
  #print(html_byte)
  
        

GET和POST的封裝