"""

urllib.request.urlopen(url,data,timeout)

"""

# from urllib.request import urlopen

# import urllib.parse

# from urllib.error import URLError

# import socket

# url = "http://httpbin.org/post"

# data = bytes(urllib.parse.urlencode({'name': 'dc'}), encoding="utf-8")

# try:

#     reponse = urlopen(url = url, data=data, timeout=5)

# except URLError as e:

#     if isinstance(e.reason,socket.timeout):

#         print("TIME OUT")

# else:

#     print(reponse.read().decode("utf-8"))

"""

urllib.request.Request(url,data,headers,method)

"""

# from urllib.request import Request,urlopen

# import urllib.parse

# url = "http://httpbin.org/post"

# data = bytes(urllib.parse.urlencode({'name': 'dc'}), encoding="utf-8")

# headers = {

#     'User-Agent': 'Mozilla/4.0(compatible;Msie5.5;Windows NT)'

# }

# req = Request(url=url, data=data, headers=headers, method="POST")

# reponse = urlopen(req)

# print(reponse.read().decode("utf-8"))

"""

Handler 验证 代理 Cookies build_opener

"""

"""

验证

"""

# from urllib.request import HTTPPasswordMgrWithDefaultRealm, HTTPBasicAuthHandler, build_opener

# import urllib.error

# url = "https://www.zhihu.com/signup?next=%2F"

# name = "17380646919"

# value = "dc201637"

# p = HTTPPasswordMgrWithDefaultRealm()

# p.add_password(None, url, name, value)

# handler = HTTPBasicAuthHandler(p)

# opener = build_opener(handler)

# try:

#     reponse = opener.open(url)

# except urllib.error.URLError as e:

#     print(e.reason)

# else:

#     print(reponse.read().decode("utf-8"))

"""

代理

"""

# from urllib.error import URLError

# from urllib.request import ProxyHandler, build_opener

# url = "http://www.baidu.com"

# Proxy_Handler = ProxyHandler({

#     'http': 'http://127.0.0.1:9743',

#     'https':'https://127.0.0.1:9743'

# })

# opener = build_opener(Proxy_Handler)

# try:

#     reponse = opener.open(url)

#     print(reponse.read().decode("utf-8"))

# except URLError as e:

#     print(e.reason)

"""

cookies

"""

"""

打印cookies的值

"""

# from urllib.request import HTTPCookieProcessor,build_opener

# import http.cookiejar

# url = "http://www.baidu.com"

# cookie = http.cookiejar.CookieJar()

# handler = HTTPCookieProcessor(cookie)

# opener = build_opener(handler)

# reponse = opener.open(url)

# for items in cookie:

#     print(items.name + "=" + items.value)

"""

保存cookies的值

"""

# from urllib.request import HTTPCookieProcessor,build_opener

# import http.cookiejar

# url = "http://www.baidu.com"

# filename = "cookies.txt"

# # cookie = http.cookiejar.MozillaCookieJar(filename)

# cookie = http.cookiejar.LWPCookieJar(filename)

# handler = HTTPCookieProcessor(cookie)

# opener = build_opener(handler)

# reponse = opener.open(url)

# cookie.save(ignore_discard=True, ignore_expires=True)

"""

读取cookies的值并应用

"""

# from urllib.request import HTTPCookieProcessor,build_opener

# import http.cookiejar

# url = "http://www.baidu.com"

# cookie = http.cookiejar.LWPCookieJar()

# cookie.load('cookies.txt',ignore_discard=True,ignore_expires=True)

# handler = HTTPCookieProcessor(cookie)

# opener = build_opener(handler)

# reponse = opener.open(url)

# print(reponse.read().decode("utf-8"))

"""

异常处理 URLError、HTTPError

"""

# from urllib import error, request

# try:

#     reponse = request.urlopen("http://cuiqingcai.com/index.htm")

# except error.HTTPError as e:

#     print(e.reason,e.code,e.headers,sep= '\n')

# except error.URLError as e:

#     print(e.reason)

# else:

#     print('no worry')

"""

reson属性返回一个对象

"""

# import urllib.request

# import socket

# from urllib.error import HTTPError, URLError

# try:

#     reponse = urllib.request.urlopen("https://www.baidu.com", timeout=0.1)

# except URLError as e:

#     print(type(e.reason))

#     if isinstance(e.reason, socket.timeout):

#         print("TIMEOUT")

"""

解析链接

"""