How to write the role permission management function of CMS system in Python

How to use Python to write the role permission management function of the CMS system

With the development of the Internet, the number of various types of websites and applications continues to increase. In order to meet the needs of users and protect user privacy and data security, developers need to have certain role permission management functions. This article will introduce how to use Python to write the role permission management function of a CMS (content management system) system and provide code examples.

1. Requirements for role authority management

In the CMS system, there are different user roles, such as administrator, editor, ordinary user, etc. Each role has different permissions. For example, administrators can manage user information, publish and edit articles, editors can only edit articles, ordinary users can only read articles, etc.

In order to realize these functions, we need to design database tables to store the relationship between roles and permissions. The following is a simple database table design example:

Role table (roles):
id: int
name: varchar(50)

Permissions table (permissions):
id: int
name: varchar(50)

Role permission relationship table (role_permissions):
id: int
role_id: int (foreign key of role table)
permission_id: int (foreign key of the permission table)

2. Use Python to write the role permission management function

In Python, we can use the Flask framework to implement the role permission management function. Flask is a lightweight web application framework that is easy to learn and use. The following is a simple sample code:

from flask import Flask, request
from flask_sqlalchemy import SQLAlchemy

app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///cms.db'
db = SQLAlchemy(app)

class Role(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(50), unique=True)

class Permission(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(50), unique=True)

class RolePermission(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    role_id = db.Column(db.Integer, db.ForeignKey('role.id'))
    permission_id = db.Column(db.Integer, db.ForeignKey('permission.id'))

@app.route('/role', methods=['POST'])
def create_role():
    name = request.form['name']
    role = Role(name=name)
    db.session.add(role)
    db.session.commit()
    return 'Role created'

@app.route('/permission', methods=['POST'])
def create_permission():
    name = request.form['name']
    permission = Permission(name=name)
    db.session.add(permission)
    db.session.commit()
    return 'Permission created'

@app.route('/role_permission', methods=['POST'])
def create_role_permission():
    role_id = request.form['role_id']
    permission_id = request.form['permission_id']
    role_permission = RolePermission(role_id=role_id, permission_id=permission_id)
    db.session.add(role_permission)
    db.session.commit()
    return 'Role permission created'

if __name__ == '__main__':
    db.create_all()
    app.run()

The above code uses Flask and SQLAlchemy libraries to create a simple CMS system role permission management API. The API provides functions for creating roles, permissions, and role permission relationships.

3. Use the role permission management function

Through the above code, we can create roles, permissions and role permission relationships by sending HTTP requests. Here are some example requests:

1. Create a role:

POST /role

name=admin

2. Create a permission:

POST /permission

name=edit_article

3. Create A role permission relationship:

POST /role_permission

role_id=1
permission_id=1

In actual development, we can set roles and permissions in the front-end page and store data in the database through the API. Then, where role permission verification is required, such as an operation on the background management page, we can use Flask's authentication middleware to verify user roles and permissions.

Summary:

This article introduces how to use Python to write the role permission management function of the CMS system and provides corresponding code examples. By properly designing database tables and using the Flask framework, we can quickly implement role permission management functions, protect user privacy and data security, and improve the quality and stability of websites and applications. I hope readers can use the guidance of this article to better apply role permission management functions to their own projects.

The above is the detailed content of How to write the role permission management function of CMS system in Python. For more information, please follow other related articles on the PHP Chinese website!