use a base class only once

Documentos > Code Analysis > Static Analysis Rules > use a base class only once

This page is not yet available in Spanish. We are working on its translation.
If you have any questions or feedback about our current translation project, feel free to reach out to us!

Metadata

ID: python-best-practices/no-duplicate-base-class

Language: Python

Severity: Warning

Category: Error Prone

Description

Classes should not have the same superclass specified twice. Each superclass must be unique.

Non-Compliant Code Examples

class MyClass:
    pass


# The SuperClass parent is specified twice
class MyClassTwo(SuperClass, OtherClass, SuperClass):
    pass

Compliant Code Examples

class MyClass:
    pass


class MyClassTwo(SuperClass):
    pass

How to use this rule

1
2
rulesets:
  - python-best-practices     # Rules to enforce Python best practices.

Create a static-analysis.datadog.yml with the content above at the root of your repository
Use our free IDE Plugins or add Code Analysis scans to your CI pipelines
Get feedback on your code

For more information, please read the Code Analysis documentation

VS Code Extension

Identify code vulnerabilities directly in your
VS Code editor

JetBrains Plugin

Identify code vulnerabilities directly in
JetBrains products