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Python中ini配置文件读写的实现

开发者 https://www.devze.com 2022-12-11 10:38 出处:网络 作者: 彭世瑜psy
导入模块 import configparser # py3 写入 config = configparser.ConfigParser() config[\"DEFAULT\"] = {

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("exa编程客栈mple.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)
  | 
 编程客栈 | get(self, section, option, *, raw=False, vars=None, fallback=<object object at 0x0000000002F42120>)
  |   Get an option value for a given section.
  | 
  | getboolean(self, section, option, *, raw=False, vars=None, fallback=<object object at 0x0000000002F42120>)
  | 
  | getfloat(self, section, option, *, raw=False, vars=None, fallback=<object object at 0x0000000002F42120>)
  | 
  | getint(self, section, option, *, raw=False, vars=None, fallback=<object object at 0x0000000002F42120>)
  | 
  | has_option(self, section, option)
  |   Check for the existence of a given option in a given section.
  |   If the specified `section' is None or an empty string, DEFAULT is
  |   assumed. If the specified `section' does not exist, returns False.
  | 
  | has_section(self, section)
  |   Indicate whether the named section is present in the configuration.

  | items(self, section=<object object at 0x0000000002F42120>, raw=False, varshttp://www.cppcns.com=None)
  |   Return a list of (name, value) tuples for each option in a section.
  | 
  | options(self, section)
  |   Return a list of option names for the given section name.
  | popitem(self)
  |   Remove a section from the parser and return it as
  | read(self, filenames, encoding=None)
  |   Read and parse a filename or a list of filenames.
  |   Return list of successfully read files.
  | 
  | read_dict(self, dictionary, http://www.cppcns.comsource='<dict>')
  |   Read configuration from a dictionary.
  | 
  | read_file(self, f, source=None)
  |   Like read() but the argument must be a file-like object.
  |   
  | read_string(self, string, source='<string>')
  |   Read configuration from a given string.
  | 
  | readfp(self, fp, filename=None)
  |   Deprecated, use read_file instead.
  | 
  | remove_option(self, section, option)
  |   Remove an option.
  | 
  | remove_section(self, section)
  |   Remove a file section.
  | 
  | sections(self)
  |   Return a list of section names, excluding [DEFAULT]
  | 
  | write(self, fp, space_around_delimiters=True)
  |   Write an .ini-format representation of the configuration state.
  | 
  | clear(self)
  |   D.clear() -> None. Remove all items from D.
  | 
  | pop(self, key, default=<object object at 0x0000000002F42040>)
  |   D.pop(k[,d]) -> v, remove specified key and return the corresponding value.
  |   If key is not found, d is returned if given, otherwise KeyError is raised.
  | 
  | setdefault(self, key, default=No编程客栈ne)
  |   D.setdefault(k[,d]) -> D.get(k,d), also set D[k]=d if k not in D
  | 
  | update(*args, **kwds)
  |   D.update([E, ]**F) -> None. Update D from mapping/iterable E and F.
  |   If E present and has a .keys() method, does:   for k in E: D[k] = E[k]
  |   If E present and lacks .keys() method, does:   for (k, v) in E: D[k] = v
  |   In either case, this is followed by: for k, v in F.items(): D[k] = v
  | 
  | keys(self)
  |   D.keys() -> a set-like object providing a view on D's keys
  | 
  | values(self)
  |   D.values() -> an object providing a view on D's values
  | 
"""

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