Python file Exercises

Practice content:

Use Python to manage INI files: Implement queries, add, delete, save operations.

Practice Purpose:

1. Master the basic operation of the file

2. Recognize the INI file

3. Understand Configparser;

INI configuration file format:

Section: [Session]

Parameter (key = value)

[Port]

port1=3306

Import Configparser

Cfg=configparser.configparser ()

Vim Test.txt

[UserInfo]

Name=nyan

Pwd=password

[Study]

Python_base=15

Python_junior=30

Linux_base=15

Cfg.read (' Test.txt ')

Cfg.sections ()

Cfg.items

For SE in cfg.sections ():

Print SE

Print Cfg.items (SE)

Cfg.set (' userinfo ', ' pwd ', ' passw0rd '): Modify

Cfg.set (' userinfo ', ' email ', ' [email protected] '): Insert

Cfg.remove_option (' userinfo ', ' email ')

inimanage.py

Import OS

Import Os.path

Import Confugparser

...

1.dump INI

2.del section

3.del Item

4.modify Item

5.add section

6.save Modify

...

Class Student_info (object):

def __init__ (self.recordfile):

Self.logfile = Recordfile

Self.cfg = Configparser.configparser ()

def cfg_load (self):

Self.cfg.read (Self.logfile)

def cfg_dump (self):

Se_list = Self.cfg.sections ()

Print "================="

For SE in se_list:

Print SE

Print Self.cfg.items (SE)

Print "================="

def delete_item (Self,section,key):

Self.cfg.remove_option (Setion,key)

def delete_section (self, section):

Self.cfg.remove_section (section)

def add_section (self,section):

Self.cfg.add_section (section)

def set_item (Self,section,key,value):

Self.cfg.set (Section,key,value)

def save (self):

fp = Oopen (' Test.txt ', ' W ')

Self.cfg.write (FP)

Dp.close ()

if __name__ = = ' __main__ ':

info = student_info (' test.txt ')

Info.cfg_load ()

Info.cfg_dump ()

Info.set_item (' userinfo ', ' pwd ', ' passw0rd ')

Info.cfg_dump ()

Info.add_section (' login ')

Info.set_item (' login ', ' 2015-0511 ', ' 20 ')

Info.cfg_dump ()

Info.save ()

　　

Python file Exercises