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configparser — Configuration file parser — Python 3.12.1 documentation
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示例代码：
import configparserconfig = configparser.ConfigParser()
config['database_product'] = {"host": "127.0.0.1","user": "mysql","password": "123456","database": "test","charset": "utf8"
}config['database_develop'] = {"host": "127.0.0.1","user": "root","password": "123456","database": "test","charset": "utf8"
}config['test'] = {}test = config['test']
test['ip'] = "1.1.1.1"
test['port'] = "3306"with open('../etc/config.ini', 'w') as configfile:config.write(configfile)生成文件： ../etc/config.ini
[database_product]
host = 127.0.0.1
user = mysql
password = 123456
database = test
charset = utf8[database_develop]
host = 127.0.0.1
user = root
password = 123456
database = test
charset = utf8[test]
ip = 1.1.1.1
port = 3306删
# 执行前配置文件内容
[database_product]
host = 127.0.0.1
user = mysql
password = 123456
database = test
charset = utf8[database_develop]
host = 127.0.0.1
user = root
password = 123456
database = test
charset = utf8[test]
ip = 1.1.1.1
port = 3306# python示例代码
import configparserconfig = configparser.ConfigParser()# 从文件读取配置内容
config.read('../etc/config.ini')
# 删除配置项
config.remove_section('test')
# 删除配置项中的内容
config.remove_option('database_develop', 'charset')# 将修改后的内容写入配置文件
with open('../etc/config.ini', 'w') as configfile:config.write(configfile)# 执行后配置文件内容
[database_product]
host = 127.0.0.1
user = mysql
password = 123456
database = test
charset = utf8[database_develop]
host = 127.0.0.1
user = root
password = 123456
database = test改
# 更新前配置文件
[database_product]
host = 127.0.0.1
user = mysql
password = 123456
database = test
charset = utf8[database_develop]
host = 127.0.0.1
user = root
password = 123456
database = test# 示例代码
import configparserconfig = configparser.ConfigParser()
# 读取配置文件内容
config.read('../etc/config.ini')
# 设置参数值
config['database_develop']['database'] = 'test111'
# 设置参数值
config.set('database_develop', 'user', 'mysql')
# 将修改后的配置写入文件
with open('../etc/config.ini', 'w') as configfile:config.write(configfile)# 更新后配置文件
[database_product]
host = 127.0.0.1
user = mysql
password = 123456
database = test
charset = utf8[database_develop]
host = 127.0.0.1
user = mysql
password = 123456
database = test111查
# 配置文件内容
[database_product]
host = 127.0.0.1
port = 3306
user = mysql
password = 123456
database = test
charset = utf8
is_mysql = True[database_develop]
host = 127.0.0.1
user = mysql
password = 123456
database = test111# 示例代码
import configparserconfig = configparser.ConfigParser()
# 读取配置文件
config.read('../etc/config.ini')# 获取所有项
res = config.sections()
print(f"{res}, {type(res)}")
# ['database_product', 'database_develop'], <class 'list'># 获取参数值
res = config['database_develop']['host']
print(f"{res}, {type(res)}")
# 127.0.0.1, <class 'str'># 获取参数值
res = config['database_develop'].get('password')
print(f"{res}, {type(res)}")
# 123456, <class 'str'># 获取参数值
res = config.get('database_product', 'port')
print(f"{res}, {type(res)}")
# 3306, <class 'str'># 获取参数值并设置为int类型
res = config.getint('database_product', 'port')
print(f"{res}, {type(res)}")
# 3306, <class 'int'># 获取布尔类型的参数值
res = config.getboolean('database_product', 'is_mysql')
print(f"{res}, {type(res)}")
# True, <class 'bool'># 判断是否存在指定配置项
res = config.has_section('test')
print(f"{res}, {type(res)}")
# False, <class 'bool'># 判断配置项是否存在指定参数
res = config.has_option('database_product', 'port')
print(f"{res}, {type(res)}")
# True, <class 'bool'># 参数不存在时，返回fallback值
res = config.get('database_product', 'xxx', fallback='nononono')
print(f"{res}, {type(res)}")
# nononono, <class 'str'># 参数存在时，获取参数值
res = config.get('database_product', 'port', fallback='yesyesyes')
print(f"{res}, {type(res)}")
# 3306, <class 'str'>
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