Python3学习之路~5.11 configparser模块

python

用于生成和修改常见配置文档,当前模块的名称在 python 2.x 版本中为 ConfigParser, python 3.x 版本中变更为 configparser。

来看一个好多软件的常见文档格式如下

[DEFAULT]

ServerAliveInterval = 45

Compression = yes

CompressionLevel = 9

ForwardX11 = yes

[bitbucket.org]

User = hg

[topsecret.server.com]

Port = 50022

ForwardX11 = no

如果想用python生成一个这样的文档怎么做呢?

import configparser

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'

with open('example.ini', 'w') as configfile:

config.write(configfile)

写完了还可以再读出来

import configparser

config = configparser.ConfigParser()

print(config.sections()) # []

config.read('example.ini')

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

print(config.default_section) # DEFAULT

print('bitbucket.org' in config) # True

print('bytebong.com' in config) # False

print(config.has_section('DEFAULT')) # False

print(config.has_section('topsecret.server.com')) # True

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

print(config.get('bitbucket.org','User')) # hg

print(config['DEFAULT']['Compression']) # yes

topsecret = config['topsecret.server.com']

print(topsecret['ForwardX11']) # no

print(topsecret['host port']) # 50022

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

print(config.getint('topsecret.server.com','host port')) # 50022

for key in config['bitbucket.org']:

print(key)

# 输出:

# user

# serveraliveinterval

# compression

# compressionlevel

# forwardx11

print(config.options('bitbucket.org'))

# 输出:['user', 'serveraliveinterval', 'compression', 'compressionlevel', 'forwardx11']

print(config.items('bitbucket.org'))

# 输出:[('serveraliveinterval', '45'), ('compression', 'yes'), ('compressionlevel', '9'), ('forwardx11', 'yes'), ('user', 'hg')]

print(config['bitbucket.org']['ForwardX11']) # yes

print(config.defaults())

# 输出:OrderedDict([('serveraliveinterval', '45'), ('compression', 'yes'), ('compressionlevel', '9'), ('forwardx11', 'yes')])

configparser-读

configparser增删改语法

import configparser

config = configparser.ConfigParser()

config.read('example.ini')

# # 删

# config.remove_section('bitbucket.org')

# config.remove_option('topsecret.server.com','forwardx11')

# config.write(open('example2.cfg','w'))

# # 增

# print(config.has_section('newSection')) # False

# config.add_section('newSection')

# config.write(open('example3.cfg', "w"))

# 改

config.set('bitbucket.org','User','Bob')

config.write(open('example4.cfg','w'))

configparser-增删改

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