python常用库

1.json
import json
dump, load

2.import pickle
https://www.cnblogs.com/buildydream/p/10171938.html

http://www.75271.com/11505.html

3. byte<-->str
import sys
encode, decoce

4.url encode/decode
import urllib.parse
https://www.cnblogs.com/caicaihong/p/5687522.html
urllib.parse.quote(s)
urllib.parse.unquote(s)

urllib.parse.urlencode(values)

5.webdriver
https://selenium-python.readthedocs.io/
pip install selenium
####################################
from selenium import webdriver
from selenium.webdriver.common.keys import Keys

browser = webdriver.Firefox()
browser.get(‘http://www.yahoo.com‘)
assert ‘Yahoo‘ in browser.title
elem = browser.find_element_by_name(‘p‘)  # Find the search box
elem.send_keys(‘seleniumhq‘ + Keys.RETURN)
browser.quit()
####################################
https://pypi.org/project/selenium/
https://qiita.com/kinpira/items/383b0fbee6bf229ea03d

6.获取cookie
# 获取cookie列表
browser = webdriver.Chrome()
browser.get("http://xxxxxx")
cookie_list = browser.get_cookies()
# 格式化打印cookie
for cookie in cookie_list:
   val=cookie[‘value‘]
    print(cookie[‘name‘], "--", urllib.parse.unquote(val))

##########################################
https://www.cnblogs.com/lizm166/p/10008634.html