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82 Python Static Analysis Tools

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What is Python?

Python is an interpreted, high-level and general-purpose programming language. Created by Guido van Rossum and first released in 1991, Python's design philosophy emphasizes code readability with its notable use of significant whitespace. Its language constructs and object-oriented approach aim to help programmers write clear, logical code for small and large-scale projects. Python is dynamically typed and garbage-collected. It supports multiple programming paradigms, including structured…

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What are the best Python analysis tools?

134
72

mypy

  • Type: cli
10647

A static type checker that aims to combine the benefits of duck typing and static typing, frequently used with [MonkeyType](https://github.com/Instagram/MonkeyType).

52

Semgrep

  • Type: cli
3936

Free, open-source lightweight static analysis for many languages. Find and block bug variants with patterns that look like source code.

42

flake8

  • Type: cli
1243

A wrapper around `pyflakes`, `pycodestyle` and `mccabe`.

40
37

pylint

  • Type: cli
3331

Looks for programming errors, helps enforcing a coding standard and sniffs for some code smells. It additionally includes `pyreverse` (an UML diagram generator) and `symilar` (a similarities checker).

15

jedi

  • Type: cli
4849

Autocompletion/static analysis library for Python.

14

bandit

  • Type: cli
3214

A tool to find common security issues in Python code.

13

Coverity

  • Type: cli

Synopsys Coverity supports 20 languages and over 70 frameworks including Ruby on rails, Scala, PHP, Python, JavaScript, TypeScript, Java, Fortran, C, C++, C#, VB.NET.

12

Better Code Hub

  • Type: service

Better Code Hub checks your GitHub codebase against 10 engineering guidelines devised by the authority in software quality, Software Improvement Group.

12

CodeScene

  • Type: service

CodeScene is a quality visualization tool for software. Prioritize technical debt, detect delivery risks, and measure organizational aspects. Fully automated.

12

DeepCode

  • Type: service

DeepCode finds bugs, security vulnerabilities, performance and API issues based on AI. DeepCode's speed of analysis allow us to analyse your code in real time and deliver results when you hit the save button in your IDE. Supported languages are Java, C/C++, JavaScript, Python, and TypeScript. Integrations with GitHub, BitBucket and Gitlab.

9

DeepSource

  • Type: service

In-depth static analysis to find issues in verticals of bug risks, security, anti-patterns, performance, documentation and style. Native integrations with GitHub, GitLab and Bitbucket. Less than 5% false positives.

9

wemake-python-styleguide

  • Type: cli
1464

The strictest and most opinionated python linter ever.

8

pyright

  • Type: cli
6669

Static type checker for Python, created to address gaps in existing tools like mypy.

6

pycodestyle

  • Type: cli
4309

(Formerly `pep8`) Check Python code against some of the style conventions in PEP 8.

6

unimport

  • Type: cli
104

A linter, formatter for finding and removing unused import statements.

5

pydocstyle

  • Type: cli
767

Check compliance with Python docstring conventions.

4

pyflakes

  • Type: cli
1023

Check Python source files for errors.

4

vulture

  • Type: cli
1586

Find unused classes, functions and variables in Python code.

3

Pysa

  • Type: cli
5363

A tool based on Facebook's pyre-check to identify potential security issues in Python code identified with taint analysis.

3

Sider

  • Type: service

An automated code reviewing tool. Improving developers' productivity.

3

Unibeautify

  • Type: cli
  • Type: service
472

Universal code beautifier with a GitHub app. Supports HTML, CSS, JavaScript, TypeScript, JSX, Vue, C++, Go, Objective-C, Java, Python, PHP, GraphQL, Markdown, and more.

2

Atom-Beautify

  • Type: ide-plugin
1481

Beautify HTML, CSS, JavaScript, PHP, Python, Ruby, Java, C, C++, C#, Objective-C, CoffeeScript, TypeScript, Coldfusion, SQL, and more in Atom editor.

2

Codeac

  • Type: service

Automated code review tool integrates with GitHub, Bitbucket and GitLab (even self-hosted). Available for JavaScript, TypeScript, Python, Ruby, Go, PHP, Java, Docker, and more. (open-source free)

2

CodeFlow

  • Type: service

Automated code analysis tool to deal with technical depth. Integrates with Bitbucket and Gitlab. (free for Open Source Projects)

2

Kiuwan

  • Type: service

Identify and remediate cyber threats in a blazingly fast, collaborative environment, with seamless integration in your SDLC. Python, C\C++, Java, C#, PHP and more.

2

pyre-check

  • Type: cli
5363

A fast, scalable type checker for large Python codebases.

2

pytype

  • Type: cli
3266

A static type analyzer for Python code.

1

Dlint

  • Type: cli
65

A tool for ensuring Python code is secure.

1

graudit

  • Type: cli
788

Grep rough audit - source code auditing tool.

1

InspectorTiger

  • Type: cli
76

IT, Inspector Tiger, is a modern python code review tool / framework. It comes with bunch of pre-defined handlers which warns you about improvements and possible bugs. Beside these handlers, you can write your own or use community ones.

1

mccabe

  • Type: cli
398

Check McCabe complexity.

1

prospector

  • Type: cli
1422

A wrapper around `pylint`, `pep8`, `mccabe` and others.

1

pyroma

  • Type: cli
108

Rate how well a Python project complies with the best practices of the Python packaging ecosystem, and list issues that could be improved.

1

Snyk

  • Type: service

Vulnerability scanner for dependencies of node.js apps (free for Open Source Projects).

1

SmartDec Scanner

  • Type: cli

SAST tool which is capable of identifying vulnerabilities and undocumented features. The analyzer scans the source code and executables without debug info (i.e. binaries). Supports: Java/Scala/Kotlin, PHP, C#, JavaScript, TypeScript, VBScript, HTML5, Python, Perl, C/C++, Objective-C/Swift, PL/SQL, T-SQL, ABAP, 1C, Apex, Go, Ruby, Groovy, Delphi, VBA, Visual Basic 6, Solidity, Vyper, COBOL.

1

Sonatype

  • Type: service

Reports known vulnerabilities in common dependencies and recommends updated packages to minimize breaking changes

1

todocheck

  • Type: cli
329

Linter for integrating annotated TODOs with your issue trackers

1

xenon

  • Type: cli
186

Monitor code complexity using [`radon`](https://github.com/rubik/radon).

0

ale

  • Type: ide-plugin
10818

Asynchronous Lint Engine for Vim and NeoVim with support for many languages.

0

ApplicationInspector

  • Type: cli
3788

Creates reports of over 400 rule patterns for feature detection (e.g. the use of cryptography or version control in apps).

0

APPscreener

  • Type: cli

Static code analysis for binary and source code - Java/Scala, PHP, Javascript, C#, PL/SQL, Python, T-SQL, C/C++, ObjectiveC/Swift, Visual Basic 6.0, Ruby, Delphi, ABAP, HTML5 and Solidity.

0

bellybutton

  • Type: cli
210

A linting engine supporting custom project-specific rules.

0

Bowler

  • Type: cli
1287

Safe code refactoring for modern Python. Bowler is a refactoring tool for manipulating Python at the syntax tree level. It enables safe, large scale code modifications while guaranteeing that the resulting code compiles and runs. It provides both a simple command line interface and a fluent API in Python for generating complex code modifications in code.

0

Cobra

  • Type: cli

Structural source code analyzer by NASA's Jet Propulsion Laboratory.

0

Code Inspector

  • Type: service

Code quality and technical debt management platform that supports 10+ languages.

0

codeql

  • Type: service
  • Type: ide-plugin

Deep code analysis - semantic queries and dataflow for several languages with VSCode plugin support.

0

cohesion

  • Type: cli
133

A tool for measuring Python class cohesion.

0

DevSkim

  • Type: ide-plugin
585

Regex-based static analysis tool for Visual Studio, VS Code, and Sublime Text - C/C++, C#, PHP, ASP, Python, Ruby, Java, and others.

0

Fortify

  • Type: ide-plugin

A commercial static analysis platform that supports the scanning of C/C++, C#, VB.NET, VB6, ABAP/BSP, ActionScript, Apex, ASP.NET, Classic ASP, VB Script, Cobol, ColdFusion, HTML, Java, JS, JSP, MXML/Flex, Objective-C, PHP, PL/SQL, T-SQL, Python (2.6, 2.7), Ruby (1.9.3), Swift, Scala, VB, and XML.

0

imhotep

  • Type: cli
214

Comment on commits coming into your repository and check for syntactic errors and general lint warnings.

0

include-gardener

  • Type: cli
52

A multi-language static analyzer for C/C++/Obj-C/Python/Ruby to create a graph (in dot or graphml format) which shows all `#include` relations of a given set of files.

0

LGTM.com

  • Type: service

Deep code analysis for GitHub and Bitbucket to find security vulnerabilities and critical code quality issues (using Semmle QL). Automatic code review for pull requests; free for public repositories.

0

linty fresh

  • Type: cli
183

Parse lint errors and report them to Github as comments on a pull request.

0

multilint

  • Type: cli
28

A wrapper around `flake8`, `isort` and `modernize`.

0

ocular

  • Type: service

Enables code auditors and security teams to interactively investigate their unique code bases to find business logic flaws and technical vulnerabilities that traditional SASTs cannot. This is done by enabling the analyst to write their own custom queries. Can find hard-coded secrets, authentication issues, and malicious code like rootkits and backdoors.

0

PyCodeQual

  • Type: service

PyCodeQual gives you insights into complexity and bug risks. It adds automatic reviews to your pull requests.

0

pylama

  • Type: cli
774

Code audit tool for Python and JavaScript. Wraps pycodestyle, pydocstyle, PyFlakes, Mccabe, Pylint, and more

0

radon

  • Type: cli
1213

A Python tool that computes various metrics from the source code.

0

relint

  • Type: cli
26

A static file linter that allows you to write custom rules using regular expressions (RegEx).

0

Scrutinizer

  • Type: service

A proprietary code quality checker that can be integrated with GitHub.

0

ShiftLeft Scan

  • Type: cli
  • Type: service
264

Scan is a free open-source DevSecOps platform for detecting security issues in source code and dependencies. It supports a broad range of languages and CI/CD pipelines.

0

ShiftLeft

  • Type: service

Identify vulnerabilities that are unique to your code base before they reach production. Leverages the Code Property Graph (CPG) to run its analyses concurrently in a single graph of graphs. Automatically finds business logic flaws in dev like hardcoded secrets and logic bombs

0

SonarCloud

  • Type: service

Multi-language cloud-based static code analysis. History, trends, security hot-spots, pull request analysis and more. Free for open source.

0

SourceMeter

  • Type: cli

Static Code Analysis for C/C++, Java, C#, Python, and RPG III and RPG IV versions (including free-form).

0

Understand

  • Type: cli

Code visualization tool that provides code analysis, standards testing, metrics, graphing, dependency analysis and more for Ada, VHDL, and others.

0

wily

  • Type: cli
729

A command-line tool for archiving, exploring and graphing the complexity of Python source code.

-1

CAST Highlight

  • Type: cli

Commercial Static Code Analysis which runs locally, but uploads the results to its cloud for presentation.

-1

ciocheck

  • Type: cli
21

Linter, formatter and test suite helper. As a linter, it is a wrapper around `pep8`, `pydocstyle`, `flake8`, and `pylint`.

-1

fixit

  • Type: cli
239

A framework for creating lint rules and corresponding auto-fixes for source code.

-1

Synopsys

  • Type: cli

A commercial static analysis platform that allows for scanning of multiple languages (C/C++, Android, C#, Java, JS, PHP, Python, Node.JS, Ruby, Fortran, and Swift).

-2

Embold

  • Type: service

Intelligent software analytics platform that identifies design issues, code issues, duplication and metrics. Supports Java, C, C++, C#, JavaScript, TypeScript, Python, Go, Kotlin and more.

Deprecated/unmaintained tools

1

PyT - Python Taint

  • Type: cli
2043

A static analysis tool for detecting security vulnerabilities in Python web applications.

0

pfff

  • Type: cli
105

Facebook's tools for code analysis, visualizations, or style-preserving source transformation for many languages.

0

py-find-injection

  • Type: cli
110

Find SQL injection vulnerabilities in Python code.

0

QuantifiedCode

  • Type: service
105

Automated code review & repair. It helps you to keep track of issues and metrics in your software projects, and can be easily extended to support new types of analyses.

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