Skip to main content
https://raw.github.com/klen/muffin/develop/docs/static/logo-h200.png

Muffin – fast, lightweight, and asynchronous ASGI web framework for Python 3.11+.

Tests Status Documentation Status PYPI Version Python Versions

Why Muffin?

Muffin combines the simplicity of microframeworks with native ASGI performance, supporting multiple async libraries (Asyncio, Trio, Curio) out of the box. Its rich plugin ecosystem makes building modern web applications pleasant and efficient.

Key Features

Installation

Muffin requires Python 3.11 or newer. We recommend using the latest stable Python.

Install via pip:

$ pip install muffin

For the standard installation with gunicorn, uvicorn, uvloop, httptools:

$ pip install muffin[standard]

Dependencies

These packages will be installed automatically:

Quickstart

Create a simple “Hello User” app:

import muffin

app = muffin.Application()

@app.route('/', '/hello/{name}')
async def hello(request):
    name = request.path_params.get('name', 'world')
    return f'Hello, {name.title()}!'

Save this as example.py and run:

$ uvicorn example:app

Visit http://localhost:8000 or http://localhost:8000/hello/username in your browser.

Plugins

Muffin has a rich ecosystem of plugins:

See each repo for usage and installation instructions.

Benchmarks

Performance comparisons are available at: http://klen.github.io/py-frameworks-bench/

Bug tracker

Found a bug or have a feature request? Please open an issue at: https://github.com/klen/muffin/issues

Contributing

Contributions are welcome! Please see [CONTRIBUTING.md](https://github.com/klen/muffin/blob/develop/CONTRIBUTING.md) for guidelines.

License

Muffin is licensed under the MIT license.


Credits

Muffin > 0.40 (completely rewritten on ASGI)

Muffin < 0.40 (based on AIOHTTP_)

Release files for muffin 2.0.2

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for muffin 2.0.2
File Size Uploaded
muffin-2.0.2.tar.gz 12.6 kB Details

Built distribution (wheel)

Table of built distributions (wheels) for muffin 2.0.2
File Interpreter ABI Platform
muffin-2.0.2-py3-none-any.whl Python 3 none any Details

Total release size: 28.1 kB

Release files / muffin-2.0.2.tar.gz

Download URL muffin-2.0.2.tar.gz
Size 12.6 kB
Tags Source
SHA-256 checksum
How to use checksums
1fe07e6fa4827b2c069fa633dc3943dc417e187cb9d90cf096ad8a6fe3995872
BLAKE2b-256 checksum
How to use checksums
7bf0c4349e5761c5a178ab360801660ba75c8072b19b99d6fc918957cdcb4cdb
Upload date
Uploaded using Trusted Publishing?
What is trusted publishing?
No
Uploaded via uv/0.12.3 {"installer":{"name":"uv","version":"0.12.3","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}

Release files / muffin-2.0.2-py3-none-any.whl

Download URL muffin-2.0.2-py3-none-any.whl
Size 15.5 kB
Tags Python 3
SHA-256 checksum
How to use checksums
e8b1665f116f9a393a7251589d0c9cbc0f22b2b7ad249c14bcbc9a37defd5c91
BLAKE2b-256 checksum
How to use checksums
96f6c473988e1054b1ac58449c47b0dd943dd764684c4a76f9f4ce241a8e149a
Upload date
Uploaded using Trusted Publishing?
What is trusted publishing?
No
Uploaded via uv/0.12.3 {"installer":{"name":"uv","version":"0.12.3","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}

Release history Release notifications | RSS feed

This release

2.0.2 This release

2 release files

2.0.1

2 release files

2.0.0

2 release files

1.11.0

2 release files

1.10.0

2 release files

1.9.0

2 release files

1.8.2

2 release files

1.8.1

2 release files

1.8.0

2 release files

1.7.0

2 release files

1.6.1

2 release files

1.6.0

2 release files

1.5.1

2 release files

1.4.4

2 release files

1.4.3

2 release files

1.4.2

2 release files

1.4.1

2 release files

1.4.0

2 release files

1.3.1

2 release files

1.3.0

2 release files

1.2.0

2 release files

1.1.4

2 release files

1.1.3

2 release files

1.1.2

2 release files

1.1.1

2 release files

1.1.0

2 release files

1.0.2

2 release files

1.0.1

2 release files

1.0.0

2 release files

0.99.3

2 release files

0.98.8

2 release files

0.98.7

2 release files

0.98.2

2 release files

0.98.1

2 release files

0.98.0

2 release files

0.97.2

2 release files

0.97.1

2 release files

0.97.0

2 release files

0.96.2

2 release files

0.96.1

2 release files

0.95.5

2 release files

0.95.4

2 release files

0.95.3

2 release files

0.95.2

2 release files

0.95.1

2 release files

0.95.0

2 release files

0.91.2

2 release files

0.90.1

2 release files

0.90.0

2 release files

0.89.5

2 release files

0.89.4

2 release files

0.89.3

2 release files

0.89.2

2 release files

0.89.1

2 release files

0.88.1

2 release files

0.88.0

2 release files

0.87.3

2 release files

0.87.0

2 release files

0.86.3

2 release files

0.86.2

2 release files

0.86.1

2 release files

0.86.0

2 release files

0.85.0

2 release files

0.84.5

2 release files

0.83.0

2 release files

0.82.0

2 release files

0.81.0

2 release files

0.80.0

2 release files

0.78.0

2 release files

0.77.5

2 release files

0.77.4

2 release files

0.77.3

2 release files

0.77.2

2 release files

0.77.1

2 release files

0.76.0

2 release files

0.75.0

2 release files

0.74.1

2 release files

0.73.2

2 release files

0.72.1

2 release files

0.71.2

2 release files

0.71.1

2 release files

0.71.0

2 release files

0.70.0

2 release files

0.69.6

2 release files

0.69.5

2 release files

0.69.4

2 release files

0.69.3

2 release files

0.69.2

2 release files

0.68.2

2 release files

0.68.1

2 release files

0.67.1

2 release files

0.67.0

1 release file

0.66.2

1 release file

0.66.1

1 release file

0.66.0

1 release file

0.65.5

1 release file

0.65.3

1 release file

0.65.2

1 release file

0.65.1

1 release file

0.65.0

1 release file

0.64.9

1 release file

0.64.8

1 release file

0.64.7

1 release file

0.64.6

1 release file

0.64.5

1 release file

0.64.4

1 release file

0.64.3

1 release file

0.64.2

1 release file

0.63.2

1 release file

0.63.1

1 release file

0.63.0

1 release file

0.62.1

1 release file

0.62.0

1 release file

0.61.7

1 release file

0.61.6

1 release file

0.61.5

1 release file

0.61.4

1 release file

0.61.3

1 release file

0.61.2

1 release file

0.61.1

1 release file

0.61.0

1 release file

0.60.1

1 release file

0.60.0

1 release file

0.59.3

1 release file

0.59.2

1 release file

0.59.1

1 release file

0.59.0

1 release file

0.58.2

1 release file

0.58.1

1 release file

0.58.0

1 release file

0.57.2

1 release file

0.57.1

1 release file

0.57.0

1 release file

0.56.0

1 release file

0.55.1

1 release file

0.55.0

1 release file

0.54.1

1 release file

0.54.0

1 release file

0.53.0

1 release file

0.52.0

1 release file

0.51.3

1 release file

0.51.2

1 release file

0.51.1

1 release file

0.51.0

1 release file

0.50.6

1 release file

0.50.5

1 release file

0.50.4

1 release file

0.50.3

1 release file

0.50.2

1 release file

0.50.0

1 release file

0.49.0

1 release file

0.48.2

1 release file

0.48.1

1 release file

0.47.2

1 release file

0.47.1

1 release file

0.47.0

1 release file

0.46.8

1 release file

0.46.7

1 release file

0.46.6

1 release file

0.46.5

1 release file

0.46.4

1 release file

0.46.3

1 release file

0.46.2

1 release file

0.46.1

1 release file

0.46.0

1 release file

0.45.4

1 release file

0.45.3

1 release file

0.45.2

1 release file

0.45.1

1 release file

0.45.0

1 release file

0.44.0

1 release file

0.43.1

1 release file

0.43.0

1 release file

0.42.0

1 release file

0.41.13

1 release file

0.41.12

1 release file

0.41.11

1 release file

0.41.10

1 release file

0.41.9

1 release file

0.41.8

1 release file

0.41.7

1 release file

0.41.6

1 release file

0.41.5

1 release file

0.41.4

1 release file

0.41.3

1 release file

0.41.2

1 release file

0.41.1

1 release file

0.41.0

1 release file

0.33.3

2 release files

0.33.2

2 release files

0.33.1

2 release files

0.33.0

2 release files

0.32.8

2 release files

0.32.7

2 release files

0.32.6

2 release files

0.32.5

2 release files

0.32.4

2 release files

0.32.3

2 release files

0.32.2

2 release files

0.32.1

2 release files

0.32.0

2 release files

0.31.0

2 release files

0.30.5

2 release files

0.30.4

2 release files

0.30.3

2 release files

0.30.2

2 release files

0.30.1

2 release files

0.30.0

2 release files

0.10.7

2 release files

0.10.3

2 release files

0.10.2

2 release files

0.10.1

2 release files

0.10.0

2 release files

0.9.0

2 release files

0.8.6

2 release files

0.8.5

2 release files

0.8.4

2 release files

0.8.3

2 release files

0.8.2

2 release files

0.8.1

2 release files

0.8.0

2 release files

0.7.3

2 release files

0.7.2

2 release files

0.7.1

2 release files

0.7.0

2 release files

0.6.1

2 release files

0.6.0

2 release files

0.5.9

2 release files

0.5.8

2 release files

0.5.7

2 release files

0.5.6

2 release files

0.5.5

2 release files

0.5.4

2 release files

0.5.3

2 release files

0.5.2

2 release files

0.5.1

2 release files

0.5.0

2 release files

0.4.2

2 release files

0.4.1

2 release files

0.4.0

2 release files

0.3.7

2 release files

0.3.6

2 release files

0.3.4

2 release files

0.3.3

2 release files

0.3.2

2 release files

0.3.1

2 release files

0.3.0

2 release files

0.2.1

2 release files

0.2.0

2 release files

0.1.6

2 release files

0.1.5

2 release files

0.1.4

2 release files

0.1.3

2 release files

0.1.2

2 release files

0.1.1

2 release files

0.1.0

2 release files

0.0.99

2 release files

0.0.98

2 release files

0.0.97

2 release files

0.0.96

2 release files

0.0.95

2 release files

0.0.94

2 release files

0.0.93

2 release files

0.0.92

2 release files

0.0.80

2 release files

0.0.79

2 release files

0.0.75

2 release files

0.0.74

2 release files

0.0.73

2 release files

0.0.72

2 release files

0.0.71

2 release files

0.0.70

2 release files

0.0.69

2 release files

0.0.68

2 release files

0.0.67

2 release files

0.0.66

2 release files

0.0.65

2 release files

0.0.63

2 release files

0.0.62

2 release files

0.0.61

2 release files

0.0.60

2 release files

0.0.59

2 release files

0.0.57

2 release files

0.0.56

2 release files

0.0.49

2 release files

0.0.48

2 release files

0.0.47

2 release files

0.0.46

2 release files

0.0.45

2 release files

0.0.44

2 release files

0.0.43

2 release files

0.0.42

2 release files

0.0.41

2 release files

0.0.40

2 release files

0.0.39

2 release files

0.0.38

2 release files

0.0.37

2 release files

0.0.36

2 release files

0.0.34

2 release files

0.0.33

2 release files

0.0.32

2 release files

0.0.31

2 release files

0.0.30

2 release files

0.0.29

2 release files

0.0.28

2 release files

0.0.27

2 release files

0.0.26

2 release files

0.0.25

2 release files

0.0.24

2 release files

0.0.23

2 release files

0.0.22

2 release files

0.0.21

2 release files

0.0.20

2 release files

0.0.19

2 release files

0.0.18

2 release files

0.0.17

2 release files

0.0.9

2 release files

0.0.8

2 release files

0.0.7

2 release files

0.0.6

2 release files

0.0.5

2 release files

0.0.4

2 release files

0.0.3

2 release files

0.0.2

2 release files

0.0.1

2 release files

0.0.0

2 release files

Anthropic, PBC Visionary sponsor Bloomberg Visionary sponsor Hudson River Trading Visionary sponsor Meta Visionary sponsor NVIDIA Visionary sponsor Microsoft Sustainability sponsor Depot Continuous Integration AWS Cloud computing and Security Sponsor Datadog Monitoring Fastly CDN Google Download Analytics Sentry Error logging StatusPage Status page