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bare-kit-python

Python bindings for Bare Kit, which runs Bare in a thread of its own within the application, known as a worklet, with an IPC to it exposed as Bare.IPC inside the worklet.

pip install bare-kit

Usage

import asyncio
from pathlib import Path

from bare_kit import start


async def main():
    async with await start(Path(__file__).parent / "app.bundle") as worklet:
        await worklet.write(b"Hello world")

        async for data in worklet:
            print(data.decode())


asyncio.run(main())

Where app.bundle is a Bare bundle using Bare.IPC:

Bare.IPC.on('data', (data) => Bare.IPC.end(data))

Iterating a worklet yields the data that it writes to Bare.IPC until it ends its side. As Bare.IPC keeps the worklet alive, end() ends the data sent to it so that it may exit on its own, and wait() returns its exit code. Reading to the end closes the connection, so that the worklet may exit. Writes raise BrokenPipeError once the data sent has ended, the connection has closed, or the worklet has closed its side. Closing a worklet terminates it and waits for it to exit, so keep it open for as long as it should run. Once closed, terminate() does nothing and suspend(), resume() and wakeup() raise ValueError.

These bindings are a thin layer over Bare Kit, whose README covers the lifecycle, IPC, suspension, addons, and error handling of a worklet. In Python terms:

  • If source is None, start() reads filename at runtime, so the worklet may be a module next to its node_modules rather than a bundle.
  • Python loads Bare Kit as a shared library, so native addons resolve the symbols of Bare from it as is.
  • Bare Kit calls back on threads of its own, which the bindings hand to the event loop that called start(), so use the worklet from that loop.
  • An uncaught error in the worklet aborts the process, Python included, so report errors over Bare.IPC as described in error handling.

Platforms

The package supports Linux, macOS, and Windows on arm64 and x64, and its wheels include Bare Kit for the platform they are for.

License

Apache-2.0

Metadata

Release files for bare-kit 0.2.0

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bare_kit-0.2.0-py3-none-win_arm64.whl Python 3 none Windows ARM64 Details for bare_kit-0.2.0-py3-none-win_arm64.whl
bare_kit-0.2.0-py3-none-win_amd64.whl Python 3 none Windows x86-64 Details for bare_kit-0.2.0-py3-none-win_amd64.whl
bare_kit-0.2.0-py3-none-manylinux_2_34_x86_64.whl Python 3 none Linux glibc 2.34+ x86-64 Details for bare_kit-0.2.0-py3-none-manylinux_2_34_x86_64.whl
bare_kit-0.2.0-py3-none-manylinux_2_34_aarch64.whl Python 3 none Linux glibc 2.34+ ARM64 Details for bare_kit-0.2.0-py3-none-manylinux_2_34_aarch64.whl
bare_kit-0.2.0-py3-none-macosx_13_0_x86_64.whl Python 3 none macOS 13.0+ x86-64 Details for bare_kit-0.2.0-py3-none-macosx_13_0_x86_64.whl
bare_kit-0.2.0-py3-none-macosx_13_0_arm64.whl Python 3 none macOS 13.0+ ARM64 Details for bare_kit-0.2.0-py3-none-macosx_13_0_arm64.whl

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