Source: https://seerepo.com/r/python/cpython/built
Markdown source: https://seerepo.com/r/python/cpython/built.md
Description: cpython is a C repo. It is tested with Hypothesis. It has 2,285,105 written lines, with 1,420 test files.

# What is cpython built with?

cpython is a C repo. It is tested with Hypothesis. It has 2,285,105 written lines, with 1,420 test files.

Read on November 5, 2026, at commit aaaf61c.

Repository: https://github.com/python/cpython

## Frontend

### Interface

- **constraintlayout**
- **[Google](https://seerepo.com/uses/google)**
- **androidx.appcompat:appcompat**: 1 file

## Support

### Testing

- **Hypothesis**: 1 file

### Tools

- **mypy**
- **types-psutil**
- **Sphinx**: 14 files
- **pygments**: 2 files

## Other repos with a similar stack

- [modelscope/FunASR](https://seerepo.com/r/modelscope/FunASR/built): constraintlayout, Google, androidx.appcompat:appcompat · [Compare](https://seerepo.com/compare/modelscope/FunASR/vs/python/cpython)
- [flutter/flutter](https://seerepo.com/r/flutter/flutter/built): Google, androidx.appcompat:appcompat
- [tauri-apps/tauri](https://seerepo.com/r/tauri-apps/tauri/built): Google, androidx.appcompat:appcompat
- [termux/termux-app](https://seerepo.com/r/termux/termux-app/built): Google, androidx.appcompat:appcompat
- [bannedbook/fanqiang](https://seerepo.com/r/bannedbook/fanqiang/built): constraintlayout, androidx.appcompat:appcompat
- [dotnet/maui](https://seerepo.com/r/dotnet/maui/built): Google, androidx.appcompat:appcompat

## Frequently asked questions

### What language is cpython written in?

cpython is written in C, with 2,285,105 written lines.

### Does cpython have tests?

Yes. cpython has 1,420 test files and is tested with Hypothesis.

### Which repos have a stack like cpython's?

The ones that share most of its stack: modelscope/FunASR, flutter/flutter, and tauri-apps/tauri.

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.