Python中ini配置文件读写的实现

导入模块

import configparser # py3

写入

config = configparser.ConfigParser()

config["DEFAULT"] = {
    'ServerAliveInterval': '45',
    'Compression': 'yes',
    'CompressionLevel': '9'
    }

config['bitbucket.org'] = {}
config['bitbucket.org']['User'] = 'hg'

config['topsecret.server.com'] = {}
topsecret = config['topsecret.server.com']
topsecret['Host Port'] = '50022'  # mutates the parser
topsecret['ForwardX11'] = 'no'  # same here

config['DEFAULT']['ForwardX11'] = 'yes'

# 写入文件
with open('example.ini', 'w') as configfile:
    config.write(configfile)

读取

config = configparser.ConfigParser()
config.read("example.ini")

print(config.defaults())
# OrderedDict([('compression', 'yes')])

print(config.sections())
# ['bitbucket.org', 'topsecret.server.com']

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

print(config.options("topsecret.server.com"))
# ['port', 'compression']

print(config.items("topsecret.server.com"))
# [('compression', 'yes'), ('port', '50022')]

print(config.get("topsecret.server.com", "port"))
# 50022

修改

print(config.has_section("Name"))

# 删除
config.remove_section("Name")

# 添加
config.add_section("Name")
config["Name"]["name"] = "Tom"
config["Name"]["asname"] = "Jimi"

# 设置
config.remove_option("Name", "asname")
config.set("Name", "name", "Jack")

# 保存
config.write(open("example.ini", "w"))

附：ini文件

[DEFAULT]
serveraliveinterval = 45
compression = yes
compressionlevel = 9
forwardx11 = yes

[bitbucket.org]
user = hg

[topsecret.server.com]
host port = 50022
forwardx11 = no

help(configparser)

"""
CLASSES

    class ConfigParser(RawConfigParser)
     |  ConfigParser implementing interpolation.
     |  
     |  add_section(self, section)
     |      Create a new section in the configuration.  Extends
     |      RawConfigParser.add_section by validating if the section name is
     |      a string.
     |  
     |  set(self, section, option, value=None)
     |      Set an option.  Extends RawConfigParser.set by validating type and
     |      interpolation syntax on the value.
     |  
     |  defaults(self)
     |  
     |  get(self, section, option, *, raw=False, vars=None, fallback=