Python quick installation of third-party libraries

#Python Quick installation of third-party libraries

import os
libs = {
    
    "numpy", "matplotlib", "pillow", "sklearn", "requests",
        "jieba", "beautifulsoup4", "wheel", "networkx",
        "sympy", "pyinstaller", "django", "flask", "werobot",
        "pyqt5", "pandas", "pyopengl", "pypdf2", "docopt", "pygame"}
 
 
try:
    for lib in libs:
        os.system("pip install " + lib)
    print("successful")
except:
    print("failed somehow")

##or

import os


def getdata():
    txt = open("./requirements.txt", "r").readlines()  # 读取需要安装的第三方库
    return txt


datas = getdata()
for word in datas:
    # os.system("pip install " + word.strip())  # 执行cmd命令 可以直接pip
    os.system('pip --default-timeout=100 install {} -i http://pypi.douban.com/simple/ --trusted-host pypi.douban.com'.format(word.strip()))  # 执行cmd命令 我用的豆瓣镜像快很多 推荐用！
    print("{}成功安装".format(word))
    
'''
requirements.txt文件内容格式如下：
backcall==0.1.0
beautifulsoup4==4.6.0
bleach==1.5.0
boto==2.48.0
boto3==1.7.11
'''