I. Introduction

What is the profile?

Profiles is to some fixed data, such as database accounts, test address, unified in a file inside management.

Common configuration file has INI format and YAML configuration file format, and today we start with using INI configuration file.

Second, create a profile

(A) in a project to create a config directory

(B) to create the following config.ini file in the config directory

About INI configuration file syntax (by Baidu Encyclopedia) :

In config.ini file like this:

Third, read and write configuration files

Profile has been created that we are not the read configuration files. Let's read it.

3.1 Create a common directory

Create a common directory in the project root directory. The inside is to be put to the python modules, but now he is a normal directory, so we need to add __init__.py file to turn him into python package.

3.2 Creating readconfig module

Creating readconfig.py module in the common catalog.

Read the configuration file to achieve 3.3

#!/usr/bin/env python
# coding=utf-8
'''
@File    :   readconfig.py
@Time    :   2019/09/30 14:11:32
@Author  :   wxhou
@Version :   1.0
'''
import sys
sys.path.append('.')
import os
import configparser

root_dir = os.path.abspath(os.path.dirname(os.path.dirname(__file__)))

HOST = 'server'
HOST_NAME = 'url'


class Config:
    def __init__(self):
        self.config_path = os.path.join(root_dir, 'config', 'config.ini')
        if not os.path.exists(self.config_path):
            raise FileNotFoundError("配置文件不存在")
        self.config = configparser.RawConfigParser()
        self.config.read(self.config_path, encoding='utf-8')

    def get_config(self, *args):
        """获取"""
        return self.config.get(*args)

    def set_config(self, *args):
        """修改"""
        self.config.set(*args)

    @property
    def host(self):
        """测试地址"""
        return self.get_config(HOST, HOST_NAME)

    @host.setter
    def host(self, value):
        self.set_config(HOST, HOST_NAME, value)
        with open(self.config_path, 'w', encoding='utf-8') as f:
            self.config.write(f)


conf = Config()

if __name__ == "__main__":
    print(conf.host)
    conf.host = 'http://www.baidu.com'
    print(conf.host)

So read and write a simple configuration file module is complete.

This is the end of this section.

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