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A screamingly fast, ultra-lightweight WSGI server for CPython 2 and CPython 3, written in C using Marc Lehmann’s high performance libev event loop and Ryan Dahl’s http-parser.

Why It’s Cool

bjoern is the fastest, smallest and most lightweight WSGI server out there, featuring

  • ~ 1000 lines of C code

  • Memory footprint ~ 600KB

  • Python 2 and Python 3 support (thanks @yanghao!)

  • Single-threaded and without coroutines or other crap

  • Can bind to TCP host:port addresses and Unix sockets (thanks @k3d3!)

  • Full persistent connection (”keep-alive”) support in both HTTP/1.0 and 1.1, including support for HTTP/1.1 chunked responses

Installation

pip install bjoern. See wiki for details.

Usage

Flask example

from flask import Flask

app = Flask(__name__)

@app.route("/")
def hello_world():
    return "Hello, World!"

if __name__ == "__main__":
    import bjoern

    bjoern.run(app, "127.0.0.1", 8000)

Advanced usage

# Bind to TCP host/port pair:
bjoern.run(wsgi_application, host, port)

# TCP host/port pair, enabling SO_REUSEPORT if available.
bjoern.run(wsgi_application, host, port, reuse_port=True)

# Bind to Unix socket:
bjoern.run(wsgi_application, 'unix:/path/to/socket')

# Bind to abstract Unix socket: (Linux only)
bjoern.run(wsgi_application, 'unix:@socket_name')

# Enable statsd metrics. See instrumentation.md for details.
bjoern.run(wsgi_application, host, port, statsd=...)

Alternatively, the mainloop can be run separately:

bjoern.listen(wsgi_application, host, port)
bjoern.run()

# With metrics. See instrumentation.md for details.
bjoern.listen(wsgi_application, host, port)
bjoern.run(statsd=...)

You can also simply pass a Python socket(-like) object. Note that you are responsible for initializing and cleaning up the socket in that case.

bjoern.server_run(socket_object, wsgi_application)
bjoern.server_run(filedescriptor_as_integer, wsgi_application)

# This needs manual compilation with `WANT_STATSD=yes`
bjoern.server_run(socket_object, wsgi_application, enable_statsd=True)

Metadata

Release files for bjoern-binary 3.2.2

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

Source distribution (sdist)

Source distribution for bjoern-binary 3.2.2
File Size Uploaded Provenance Actions
bjoern_binary-3.2.2.tar.gz 37.2 kB With provenance Details for bjoern_binary-3.2.2.tar.gz

Built distributions (wheels)

Table of built distributions (wheels) for bjoern-binary 3.2.2
File Actions
bjoern_binary-3.2.2-cp314-cp314-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl CPython 3.14 CPython 3.14 Linux glibc 2.28+ x86-64, Linux glibc 2.17+ x86-64 Details for bjoern_binary-3.2.2-cp314-cp314-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl
bjoern_binary-3.2.2-cp314-cp314-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl CPython 3.14 CPython 3.14 Linux glibc 2.17+ ARM64, Linux glibc 2.28+ ARM64 Details for bjoern_binary-3.2.2-cp314-cp314-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl
bjoern_binary-3.2.2-cp314-cp314-macosx_11_0_x86_64.whl CPython 3.14 CPython 3.14 macOS 11.0+ x86-64 Details for bjoern_binary-3.2.2-cp314-cp314-macosx_11_0_x86_64.whl
bjoern_binary-3.2.2-cp314-cp314-macosx_11_0_arm64.whl CPython 3.14 CPython 3.14 macOS 11.0+ ARM64 Details for bjoern_binary-3.2.2-cp314-cp314-macosx_11_0_arm64.whl
bjoern_binary-3.2.2-cp313-cp313-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl CPython 3.13 CPython 3.13 Linux glibc 2.17+ x86-64, Linux glibc 2.28+ x86-64 Details for bjoern_binary-3.2.2-cp313-cp313-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl
bjoern_binary-3.2.2-cp313-cp313-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl CPython 3.13 CPython 3.13 Linux glibc 2.28+ ARM64, Linux glibc 2.17+ ARM64 Details for bjoern_binary-3.2.2-cp313-cp313-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl
bjoern_binary-3.2.2-cp313-cp313-macosx_11_0_x86_64.whl CPython 3.13 CPython 3.13 macOS 11.0+ x86-64 Details for bjoern_binary-3.2.2-cp313-cp313-macosx_11_0_x86_64.whl
bjoern_binary-3.2.2-cp313-cp313-macosx_11_0_arm64.whl CPython 3.13 CPython 3.13 macOS 11.0+ ARM64 Details for bjoern_binary-3.2.2-cp313-cp313-macosx_11_0_arm64.whl
bjoern_binary-3.2.2-cp312-cp312-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl CPython 3.12 CPython 3.12 Linux glibc 2.28+ x86-64, Linux glibc 2.17+ x86-64 Details for bjoern_binary-3.2.2-cp312-cp312-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl
bjoern_binary-3.2.2-cp312-cp312-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl CPython 3.12 CPython 3.12 Linux glibc 2.17+ ARM64, Linux glibc 2.28+ ARM64 Details for bjoern_binary-3.2.2-cp312-cp312-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl
bjoern_binary-3.2.2-cp312-cp312-macosx_11_0_x86_64.whl CPython 3.12 CPython 3.12 macOS 11.0+ x86-64 Details for bjoern_binary-3.2.2-cp312-cp312-macosx_11_0_x86_64.whl
bjoern_binary-3.2.2-cp312-cp312-macosx_11_0_arm64.whl CPython 3.12 CPython 3.12 macOS 11.0+ ARM64 Details for bjoern_binary-3.2.2-cp312-cp312-macosx_11_0_arm64.whl
bjoern_binary-3.2.2-cp311-cp311-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl CPython 3.11 CPython 3.11 Linux glibc 2.17+ x86-64, Linux glibc 2.28+ x86-64 Details for bjoern_binary-3.2.2-cp311-cp311-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl
bjoern_binary-3.2.2-cp311-cp311-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl CPython 3.11 CPython 3.11 Linux glibc 2.28+ ARM64, Linux glibc 2.17+ ARM64 Details for bjoern_binary-3.2.2-cp311-cp311-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl
bjoern_binary-3.2.2-cp311-cp311-macosx_11_0_x86_64.whl CPython 3.11 CPython 3.11 macOS 11.0+ x86-64 Details for bjoern_binary-3.2.2-cp311-cp311-macosx_11_0_x86_64.whl
bjoern_binary-3.2.2-cp311-cp311-macosx_11_0_arm64.whl CPython 3.11 CPython 3.11 macOS 11.0+ ARM64 Details for bjoern_binary-3.2.2-cp311-cp311-macosx_11_0_arm64.whl
bjoern_binary-3.2.2-cp310-cp310-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl CPython 3.10 CPython 3.10 Linux glibc 2.17+ x86-64, Linux glibc 2.28+ x86-64 Details for bjoern_binary-3.2.2-cp310-cp310-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl
bjoern_binary-3.2.2-cp310-cp310-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl CPython 3.10 CPython 3.10 Linux glibc 2.28+ ARM64, Linux glibc 2.17+ ARM64 Details for bjoern_binary-3.2.2-cp310-cp310-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl
bjoern_binary-3.2.2-cp310-cp310-macosx_11_0_x86_64.whl CPython 3.10 CPython 3.10 macOS 11.0+ x86-64 Details for bjoern_binary-3.2.2-cp310-cp310-macosx_11_0_x86_64.whl
bjoern_binary-3.2.2-cp310-cp310-macosx_11_0_arm64.whl CPython 3.10 CPython 3.10 macOS 11.0+ ARM64 Details for bjoern_binary-3.2.2-cp310-cp310-macosx_11_0_arm64.whl
bjoern_binary-3.2.2-cp39-cp39-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl CPython 3.9 CPython 3.9 Linux glibc 2.28+ x86-64, Linux glibc 2.17+ x86-64 Details for bjoern_binary-3.2.2-cp39-cp39-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl
bjoern_binary-3.2.2-cp39-cp39-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl CPython 3.9 CPython 3.9 Linux glibc 2.17+ ARM64, Linux glibc 2.28+ ARM64 Details for bjoern_binary-3.2.2-cp39-cp39-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl
bjoern_binary-3.2.2-cp39-cp39-macosx_11_0_x86_64.whl CPython 3.9 CPython 3.9 macOS 11.0+ x86-64 Details for bjoern_binary-3.2.2-cp39-cp39-macosx_11_0_x86_64.whl
bjoern_binary-3.2.2-cp39-cp39-macosx_11_0_arm64.whl CPython 3.9 CPython 3.9 macOS 11.0+ ARM64 Details for bjoern_binary-3.2.2-cp39-cp39-macosx_11_0_arm64.whl

Total release size: 2.1 MB

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