Read INI configuration file from Python

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What is INI?

You can understand it as a generic term for a configuration file. such as test.conf, so you can understand that he is the INI file, which usually contains some configuration information. For example, the basic information of the database, we will explain!

So what are the benefits of TA? is to put some configuration information to the individual management, if later changes only need to change the configuration file, no need to modify the code.

The basic format in INI

[Name, according to the actual situation to write on the line, not much attention]

Key1=value1

Key2=value2

Read operations in Python via the Configparser module

Actual combat

Demo Scenario:

1, create a database configuration file, named Db.conf, the content is as follows:

[DATABASE]

Host = 127.0.0.1

Port = 3306

user = root

passwd = Vertrigo

db = TestDB

charset = UTF8

2, read the information in Python and connect to the database, the code is as follows:

Import Configparser

Import Mysql.connector

Class Getdb:

def __init__ (self, db_config):

Config = Configparser. Configparser ()

Config.read (Db_config)

#把配置文件里的数据读取出来并保存

Self.host = config[' DATABASE ' [' Host ']

Self.port = config[' DATABASE ' [' Port ']

Self.user = config[' DATABASE ' [' User ']

self.passwd = config[' DATABASE ' [' passwd ']

self.db = config[' DATABASE ' [' DB ']

Self.charset = config[' DATABASE ' [' CharSet ']

#这里就是链接数据库了

def get_conn (self):

Try

conn = Mysql.connector.connect (Host=self.host, Port=self.port, User=self.user, PASSWORD=SELF.PASSWD, database= Self.db, Charset=self.charset)

Return conn

Except Exception as E:

Print ('%s ', E)

Sys.exit ()

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Read INI configuration file from Python