configparser 配置文件模块

#_author:star
#date:2019/11/7
# configparser 配置文件模块
import configparser
config=configparser.ConfigParser()
# config['DEFAULT']={'ServerAliveInterval':'45',
#                    'Compress':'yes',
#                    'CompressionLevel':'9'}
# config['bitbucket.org']={'user':'hg'}
#
# config['topsecret.server.com']={}
# topsecret=config['topsecret.server.com']
# topsecret['Host Part'] ='50022'
#
# with open('example.ini','w') as configfile:
#     config.write(configfile)
config.read('example.ini')
print(config.sections())#['bitbucket.org', 'topsecret.server.com']  除了DEFAULT之外的其他内容
#查看DEFAULT
print(config.defaults())#OrderedDict([('serveraliveinterval', '45'), ('compress', 'yes'), ('compressionlevel', '9')])
print('bitbucket.org' in config)#True

print(config['bitbucket.org']['user'])#hg

for key in config:
    print(key)
    # DEFAULT
    # bitbucket.org
    # topsecret.server.com
print('----------------')
for key1 in config['bitbucket.org']:
    print(key1)
    # user
    # serveraliveinterval
    # compress
    # compressionlevel
print('-------------')
config.remove_section('topsecret.server.com')#删除某一个块
print(config.has_section('topsecret.server.com'))#False
print(config.has_section('bitbucket.org'))#True

config.set('DEFAULT','ServerAliveInterval','66')

config.remove_option('DEFAULT','serveraliveinterval')#删除块下的某一个键值对
config.write(open('r.cfg','w'))#无论怎么修改文件，都要最后重写文件，因为文件一旦生成，就无法修改
Output: