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Tyler Goodlet
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tractor
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=======
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*******
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The Python async-native multi-core system *you always wanted*.
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https://actions-badge.atrox.dev/goodboy/tractor/goto
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https://tractor.readthedocs.io/en/latest/?badge=latest
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|gh_actions|
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|docs|
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``tractor`` is a `structured concurrent
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<https://trio.discourse.group/t/concise-definition-of-structured-concurrency/228>`_
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“`actor model <https://en.wikipedia.org/wiki/Actor_model>`_” built on
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`trio <https://github.com/python-trio/trio>`_ and `multi-processing
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<https://en.wikipedia.org/wiki/Multiprocessing>`_.
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.. _actor model: https://en.wikipedia.org/wiki/Actor_model
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.. _trio: https://github.com/python-trio/trio
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.. _multi-processing: https://en.wikipedia.org/wiki/Multiprocessing
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.. _trionic: https://trio.readthedocs.io/en/latest/design.html#high-level-design-principles
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.. _async sandwich: https://trio.readthedocs.io/en/latest/tutorial.html#async-sandwich
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.. _structured concurrent: https://trio.discourse.group/t/concise-definition-of-structured-concurrency/228
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``tractor`` is a `structured concurrent`_ "`actor model`_" built on trio_ and multi-processing_.
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It is an attempt to pair trionic_ `structured concurrency`_ with
|
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distributed Python. You can think of it as a ``trio``
|
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It is an attempt to pair `trionic
|
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<https://trio.readthedocs.io/en/latest/design.html#high-level-design-principles>`_
|
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`structured concurrency
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<https://vorpus.org/blog/notes-on-structured-concurrency-or-go-statement-considered-harmful/>`_
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with distributed Python. You can think of it as a ``trio``
|
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*-across-processes* or simply as an opinionated replacement for the
|
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stdlib's ``multiprocessing`` but built on async programming primitives
|
||||
stdlib’s ``multiprocessing`` but built on async programming primitives
|
||||
from the ground up.
|
||||
|
||||
Don't be scared off by this description. ``tractor`` **is just ``trio``**
|
||||
but with nurseries for process management and cancel-able IPC.
|
||||
If you understand how to work with ``trio``, ``tractor`` will give you
|
||||
the parallelism you've been missing.
|
||||
Don’t be scared off by this description. ``tractor`` **is just
|
||||
``trio``** but with nurseries for process management and cancel-able
|
||||
IPC. If you understand how to work with ``trio``, ``tractor`` will
|
||||
give you the parallelism you’ve been missing.
|
||||
|
||||
``tractor``'s nurseries let you spawn ``trio`` *"actors"*: new Python
|
||||
``tractor``’s nurseries let you spawn ``trio`` *“actors”*: new Python
|
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processes which each run a ``trio`` scheduled task tree (also known as
|
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an `async sandwich`_ - a call to ``trio.run()``). That is, each
|
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"*Actor*" is a new process plus a ``trio`` runtime.
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an `async sandwich
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<https://trio.readthedocs.io/en/latest/tutorial.html#async-sandwich>`_
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- a call to ``trio.run()``). That is, each “*Actor*” is a new process
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plus a ``trio`` runtime.
|
||||
|
||||
"Actors" communicate by exchanging asynchronous messages_ and avoid
|
||||
sharing state. The intention of this model is to allow for highly
|
||||
distributed software that, through the adherence to *structured
|
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concurrency*, results in systems which fail in predictable and
|
||||
recoverable ways.
|
||||
“Actors” communicate by exchanging asynchronous `messages
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<https://en.wikipedia.org/wiki/Message_passing>`_ and avoid sharing
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state. The intention of this model is to allow for highly distributed
|
||||
software that, through the adherence to *structured concurrency*,
|
||||
results in systems which fail in predictable and recoverable ways.
|
||||
|
||||
The first step to grok ``tractor`` is to get the basics of ``trio`` down.
|
||||
A great place to start is the `trio docs`_ and this `blog post`_.
|
||||
|
||||
.. _messages: https://en.wikipedia.org/wiki/Message_passing
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.. _trio docs: https://trio.readthedocs.io/en/latest/
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.. _blog post: https://vorpus.org/blog/notes-on-structured-concurrency-or-go-statement-considered-harmful/
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.. _structured concurrency: https://vorpus.org/blog/notes-on-structured-concurrency-or-go-statement-considered-harmful/
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.. _3 axioms: https://en.wikipedia.org/wiki/Actor_model#Fundamental_concepts
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.. _unrequirements: https://en.wikipedia.org/wiki/Actor_model#Direct_communication_and_asynchrony
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.. _async generators: https://www.python.org/dev/peps/pep-0525/
|
||||
The first step to grok ``tractor`` is to get the basics of ``trio``
|
||||
down. A great place to start is the `trio docs
|
||||
<https://trio.readthedocs.io/en/latest/>`_ and this `blog post
|
||||
<https://vorpus.org/blog/notes-on-structured-concurrency-or-go-statement-considered-harmful/>`_.
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Install
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-------
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=======
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No PyPi release yet!
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::
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@ -60,44 +57,83 @@ No PyPi release yet!
|
|||
|
||||
|
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Alluring Features
|
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-----------------
|
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- **It's just** ``trio``, but with SC applied to processes (aka "actors")
|
||||
- Infinitely nesteable process trees
|
||||
- Built-in API for inter-process streaming
|
||||
- A (first ever?) "native" multi-core debugger for Python using `pdb++`_
|
||||
- (Soon to land) ``asyncio`` support allowing for "infected" actors where
|
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`trio` drives the `asyncio` scheduler via the astounding "`guest mode`_"
|
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=================
|
||||
|
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* **It’s just** ``trio``, but with SC applied to processes (aka
|
||||
“actors”)
|
||||
|
||||
* Infinitely nesteable process trees
|
||||
|
||||
* Built-in API for inter-process streaming
|
||||
|
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* A (first ever?) “native” multi-core debugger for Python using
|
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`pdb++ <https://github.com/pdbpp/pdbpp>`_
|
||||
|
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* (Soon to land) ``asyncio`` support allowing for “infected” actors
|
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where *trio* drives the *asyncio* scheduler via the astounding
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“`guest mode
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<https://trio.readthedocs.io/en/stable/reference-lowlevel.html?highlight=guest%20mode#using-guest-mode-to-run-trio-on-top-of-other-event-loops>`_”
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The example you're probably after...
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------------------------------------
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It seems the initial query from most new users is "how do I make a worker
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pool thing?".
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The example you’re probably after…
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==================================
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``tractor`` is built to handle any SC process tree you can
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imagine; the "worker pool" pattern is a trivial special case:
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It seems the initial query from most new users is “how do I make a
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worker pool thing?”.
|
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|
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``tractor`` is built to handle any SC process tree you can imagine;
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the “worker pool” pattern is a trivial special case:
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# TODO: workerpool example
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.. code::
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"""
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Run with a process monitor from a terminal using:
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$TERM -e watch -n 0.1 "pstree -a $$" & python examples/parallelism/we_are_processes.py && kill $!
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"""
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from multiprocessing import cpu_count
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import os
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import tractor
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import trio
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async def target():
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print(f"Yo, i'm '{tractor.current_actor().name}' "
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f"running in pid {os.getpid()}")
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await trio.sleep_forever()
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async def main():
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async with tractor.open_nursery() as n:
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for i in range(cpu_count()):
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await n.run_in_actor(target, name=f'worker_{i}')
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print('This process tree will self-destruct in 1 sec...')
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await trio.sleep(1)
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# you could have done this yourself
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raise Exception('Self Destructed')
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if __name__ == '__main__':
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try:
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trio.run(main)
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except Exception:
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print('Zombies Contained')
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Feel like saying hi?
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--------------------
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====================
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|
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This project is very much coupled to the ongoing development of
|
||||
``trio`` (i.e. ``tractor`` gets most of its ideas from that brilliant
|
||||
community). If you want to help, have suggestions or just want to
|
||||
say hi, please feel free to reach us in our `matrix channel`_. If
|
||||
matrix seems too hip, we're also mostly all in the the `trio gitter
|
||||
channel`_!
|
||||
|
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.. _trio gitter channel: https://gitter.im/python-trio/general
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.. _matrix channel: https://matrix.to/#/!tractor:matrix.org
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.. _pdb++: https://github.com/pdbpp/pdbpp
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.. _guest mode: https://trio.readthedocs.io/en/stable/reference-lowlevel.html?highlight=guest%20mode#using-guest-mode-to-run-trio-on-top-of-other-event-loops
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.. |gh_actions| image:: https://img.shields.io/endpoint.svg?url=https%3A%2F%2Factions-badge.atrox.dev%2Fgoodboy%2Ftractor%2Fbadge&style=popout-square
|
||||
:target: https://actions-badge.atrox.dev/goodboy/tractor/goto
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.. |docs| image:: https://readthedocs.org/projects/tractor/badge/?version=latest
|
||||
:target: https://tractor.readthedocs.io/en/latest/?badge=latest
|
||||
:alt: Documentation Status
|
||||
community). If you want to help, have suggestions or just want to say
|
||||
hi, please feel free to reach us in our `matrix channel
|
||||
<https://matrix.to/#/!tractor:matrix.org>`_. If matrix seems too hip,
|
||||
we’re also mostly all in the the `trio gitter channel
|
||||
<https://gitter.im/python-trio/general>`_!
|
||||
|
|
|
|||
|
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@ -0,0 +1,103 @@
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tractor
|
||||
=======
|
||||
The Python async-native multi-core system *you always wanted*.
|
||||
|
||||
|
||||
|gh_actions|
|
||||
|docs|
|
||||
|
||||
.. _actor model: https://en.wikipedia.org/wiki/Actor_model
|
||||
.. _trio: https://github.com/python-trio/trio
|
||||
.. _multi-processing: https://en.wikipedia.org/wiki/Multiprocessing
|
||||
.. _trionic: https://trio.readthedocs.io/en/latest/design.html#high-level-design-principles
|
||||
.. _async sandwich: https://trio.readthedocs.io/en/latest/tutorial.html#async-sandwich
|
||||
.. _structured concurrent: https://trio.discourse.group/t/concise-definition-of-structured-concurrency/228
|
||||
|
||||
|
||||
``tractor`` is a `structured concurrent`_ "`actor model`_" built on trio_ and multi-processing_.
|
||||
|
||||
It is an attempt to pair trionic_ `structured concurrency`_ with
|
||||
distributed Python. You can think of it as a ``trio``
|
||||
*-across-processes* or simply as an opinionated replacement for the
|
||||
stdlib's ``multiprocessing`` but built on async programming primitives
|
||||
from the ground up.
|
||||
|
||||
Don't be scared off by this description. ``tractor`` **is just ``trio``**
|
||||
but with nurseries for process management and cancel-able IPC.
|
||||
If you understand how to work with ``trio``, ``tractor`` will give you
|
||||
the parallelism you've been missing.
|
||||
|
||||
``tractor``'s nurseries let you spawn ``trio`` *"actors"*: new Python
|
||||
processes which each run a ``trio`` scheduled task tree (also known as
|
||||
an `async sandwich`_ - a call to ``trio.run()``). That is, each
|
||||
"*Actor*" is a new process plus a ``trio`` runtime.
|
||||
|
||||
"Actors" communicate by exchanging asynchronous messages_ and avoid
|
||||
sharing state. The intention of this model is to allow for highly
|
||||
distributed software that, through the adherence to *structured
|
||||
concurrency*, results in systems which fail in predictable and
|
||||
recoverable ways.
|
||||
|
||||
The first step to grok ``tractor`` is to get the basics of ``trio`` down.
|
||||
A great place to start is the `trio docs`_ and this `blog post`_.
|
||||
|
||||
.. _messages: https://en.wikipedia.org/wiki/Message_passing
|
||||
.. _trio docs: https://trio.readthedocs.io/en/latest/
|
||||
.. _blog post: https://vorpus.org/blog/notes-on-structured-concurrency-or-go-statement-considered-harmful/
|
||||
.. _structured concurrency: https://vorpus.org/blog/notes-on-structured-concurrency-or-go-statement-considered-harmful/
|
||||
.. _3 axioms: https://en.wikipedia.org/wiki/Actor_model#Fundamental_concepts
|
||||
.. _unrequirements: https://en.wikipedia.org/wiki/Actor_model#Direct_communication_and_asynchrony
|
||||
.. _async generators: https://www.python.org/dev/peps/pep-0525/
|
||||
|
||||
|
||||
Install
|
||||
-------
|
||||
No PyPi release yet!
|
||||
|
||||
::
|
||||
|
||||
pip install git+git://github.com/goodboy/tractor.git
|
||||
|
||||
|
||||
Alluring Features
|
||||
-----------------
|
||||
- **It's just** ``trio``, but with SC applied to processes (aka "actors")
|
||||
- Infinitely nesteable process trees
|
||||
- Built-in API for inter-process streaming
|
||||
- A (first ever?) "native" multi-core debugger for Python using `pdb++`_
|
||||
- (Soon to land) ``asyncio`` support allowing for "infected" actors where
|
||||
`trio` drives the `asyncio` scheduler via the astounding "`guest mode`_"
|
||||
|
||||
|
||||
The example you're probably after...
|
||||
------------------------------------
|
||||
It seems the initial query from most new users is "how do I make a worker
|
||||
pool thing?".
|
||||
|
||||
``tractor`` is built to handle any SC process tree you can
|
||||
imagine; the "worker pool" pattern is a trivial special case:
|
||||
|
||||
|
||||
# TODO: workerpool example
|
||||
|
||||
|
||||
Feel like saying hi?
|
||||
--------------------
|
||||
This project is very much coupled to the ongoing development of
|
||||
``trio`` (i.e. ``tractor`` gets most of its ideas from that brilliant
|
||||
community). If you want to help, have suggestions or just want to
|
||||
say hi, please feel free to reach us in our `matrix channel`_. If
|
||||
matrix seems too hip, we're also mostly all in the the `trio gitter
|
||||
channel`_!
|
||||
|
||||
.. _trio gitter channel: https://gitter.im/python-trio/general
|
||||
.. _matrix channel: https://matrix.to/#/!tractor:matrix.org
|
||||
.. _pdb++: https://github.com/pdbpp/pdbpp
|
||||
.. _guest mode: https://trio.readthedocs.io/en/stable/reference-lowlevel.html?highlight=guest%20mode#using-guest-mode-to-run-trio-on-top-of-other-event-loops
|
||||
|
||||
|
||||
.. |gh_actions| image:: https://img.shields.io/endpoint.svg?url=https%3A%2F%2Factions-badge.atrox.dev%2Fgoodboy%2Ftractor%2Fbadge&style=popout-square
|
||||
:target: https://actions-badge.atrox.dev/goodboy/tractor/goto
|
||||
.. |docs| image:: https://readthedocs.org/projects/tractor/badge/?version=latest
|
||||
:target: https://tractor.readthedocs.io/en/latest/?badge=latest
|
||||
:alt: Documentation Status
|
||||
|
|
@ -0,0 +1,104 @@
|
|||
tractor
|
||||
=======
|
||||
The Python async-native multi-core system *you always wanted*.
|
||||
|
||||
|
||||
|gh_actions|
|
||||
|docs|
|
||||
|
||||
.. _actor model: https://en.wikipedia.org/wiki/Actor_model
|
||||
.. _trio: https://github.com/python-trio/trio
|
||||
.. _multi-processing: https://en.wikipedia.org/wiki/Multiprocessing
|
||||
.. _trionic: https://trio.readthedocs.io/en/latest/design.html#high-level-design-principles
|
||||
.. _async sandwich: https://trio.readthedocs.io/en/latest/tutorial.html#async-sandwich
|
||||
.. _structured concurrent: https://trio.discourse.group/t/concise-definition-of-structured-concurrency/228
|
||||
|
||||
|
||||
``tractor`` is a `structured concurrent`_ "`actor model`_" built on trio_ and multi-processing_.
|
||||
|
||||
It is an attempt to pair trionic_ `structured concurrency`_ with
|
||||
distributed Python. You can think of it as a ``trio``
|
||||
*-across-processes* or simply as an opinionated replacement for the
|
||||
stdlib's ``multiprocessing`` but built on async programming primitives
|
||||
from the ground up.
|
||||
|
||||
Don't be scared off by this description. ``tractor`` **is just ``trio``**
|
||||
but with nurseries for process management and cancel-able IPC.
|
||||
If you understand how to work with ``trio``, ``tractor`` will give you
|
||||
the parallelism you've been missing.
|
||||
|
||||
``tractor``'s nurseries let you spawn ``trio`` *"actors"*: new Python
|
||||
processes which each run a ``trio`` scheduled task tree (also known as
|
||||
an `async sandwich`_ - a call to ``trio.run()``). That is, each
|
||||
"*Actor*" is a new process plus a ``trio`` runtime.
|
||||
|
||||
"Actors" communicate by exchanging asynchronous messages_ and avoid
|
||||
sharing state. The intention of this model is to allow for highly
|
||||
distributed software that, through the adherence to *structured
|
||||
concurrency*, results in systems which fail in predictable and
|
||||
recoverable ways.
|
||||
|
||||
The first step to grok ``tractor`` is to get the basics of ``trio`` down.
|
||||
A great place to start is the `trio docs`_ and this `blog post`_.
|
||||
|
||||
.. _messages: https://en.wikipedia.org/wiki/Message_passing
|
||||
.. _trio docs: https://trio.readthedocs.io/en/latest/
|
||||
.. _blog post: https://vorpus.org/blog/notes-on-structured-concurrency-or-go-statement-considered-harmful/
|
||||
.. _structured concurrency: https://vorpus.org/blog/notes-on-structured-concurrency-or-go-statement-considered-harmful/
|
||||
.. _3 axioms: https://en.wikipedia.org/wiki/Actor_model#Fundamental_concepts
|
||||
.. _unrequirements: https://en.wikipedia.org/wiki/Actor_model#Direct_communication_and_asynchrony
|
||||
.. _async generators: https://www.python.org/dev/peps/pep-0525/
|
||||
|
||||
|
||||
Install
|
||||
-------
|
||||
No PyPi release yet!
|
||||
|
||||
::
|
||||
|
||||
pip install git+git://github.com/goodboy/tractor.git
|
||||
|
||||
|
||||
Alluring Features
|
||||
-----------------
|
||||
- **It's just** ``trio``, but with SC applied to processes (aka "actors")
|
||||
- Infinitely nesteable process trees
|
||||
- Built-in API for inter-process streaming
|
||||
- A (first ever?) "native" multi-core debugger for Python using `pdb++`_
|
||||
- (Soon to land) ``asyncio`` support allowing for "infected" actors where
|
||||
`trio` drives the `asyncio` scheduler via the astounding "`guest mode`_"
|
||||
|
||||
|
||||
The example you're probably after...
|
||||
------------------------------------
|
||||
It seems the initial query from most new users is "how do I make a worker
|
||||
pool thing?".
|
||||
|
||||
``tractor`` is built to handle any SC process tree you can
|
||||
imagine; the "worker pool" pattern is a trivial special case:
|
||||
|
||||
# TODO: workerpool example
|
||||
|
||||
.. literalinclude:: ../../examples/parallelism/we_are_processes.py
|
||||
|
||||
|
||||
Feel like saying hi?
|
||||
--------------------
|
||||
This project is very much coupled to the ongoing development of
|
||||
``trio`` (i.e. ``tractor`` gets most of its ideas from that brilliant
|
||||
community). If you want to help, have suggestions or just want to
|
||||
say hi, please feel free to reach us in our `matrix channel`_. If
|
||||
matrix seems too hip, we're also mostly all in the the `trio gitter
|
||||
channel`_!
|
||||
|
||||
.. _trio gitter channel: https://gitter.im/python-trio/general
|
||||
.. _matrix channel: https://matrix.to/#/!tractor:matrix.org
|
||||
.. _pdb++: https://github.com/pdbpp/pdbpp
|
||||
.. _guest mode: https://trio.readthedocs.io/en/stable/reference-lowlevel.html?highlight=guest%20mode#using-guest-mode-to-run-trio-on-top-of-other-event-loops
|
||||
|
||||
|
||||
.. |gh_actions| image:: https://img.shields.io/endpoint.svg?url=https%3A%2F%2Factions-badge.atrox.dev%2Fgoodboy%2Ftractor%2Fbadge&style=popout-square
|
||||
:target: https://actions-badge.atrox.dev/goodboy/tractor/goto
|
||||
.. |docs| image:: https://readthedocs.org/projects/tractor/badge/?version=latest
|
||||
:target: https://tractor.readthedocs.io/en/latest/?badge=latest
|
||||
:alt: Documentation Status
|
||||
|
|
@ -0,0 +1,51 @@
|
|||
# Configuration file for the Sphinx documentation builder.
|
||||
|
||||
# this config is for the rst generation extension and thus
|
||||
# requires only basic settings:
|
||||
# https://github.com/sphinx-contrib/restbuilder
|
||||
|
||||
# -- Path setup --------------------------------------------------------------
|
||||
|
||||
# If extensions (or modules to document with autodoc) are in another directory,
|
||||
# add these directories to sys.path here. If the directory is relative to the
|
||||
# documentation root, use os.path.abspath to make it absolute, like shown here.
|
||||
#
|
||||
# import os
|
||||
# import sys
|
||||
# sys.path.insert(0, os.path.abspath('.'))
|
||||
|
||||
# Warn about all references to unknown targets
|
||||
nitpicky = True
|
||||
|
||||
# The master toctree document.
|
||||
master_doc = '_sphinx_readme'
|
||||
|
||||
# -- Project information -----------------------------------------------------
|
||||
|
||||
project = 'tractor'
|
||||
copyright = '2018, Tyler Goodlet'
|
||||
author = 'Tyler Goodlet'
|
||||
|
||||
# The full version, including alpha/beta/rc tags
|
||||
release = '0.0.0a0.dev0'
|
||||
|
||||
# -- General configuration ---------------------------------------------------
|
||||
|
||||
# Add any Sphinx extension module names here, as strings. They can be
|
||||
# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
|
||||
# ones.
|
||||
extensions = [
|
||||
# 'sphinx.ext.autodoc',
|
||||
# 'sphinx.ext.intersphinx',
|
||||
# 'sphinx.ext.todo',
|
||||
'sphinxcontrib.restbuilder',
|
||||
|
||||
]
|
||||
|
||||
# Add any paths that contain templates here, relative to this directory.
|
||||
templates_path = ['_templates']
|
||||
|
||||
# List of patterns, relative to source directory, that match files and
|
||||
# directories to ignore when looking for source files.
|
||||
# This pattern also affects html_static_path and html_extra_path.
|
||||
exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']
|
||||
|
|
@ -0,0 +1,4 @@
|
|||
#!/bin/bash
|
||||
sphinx-build -b rst ./github_readme ./
|
||||
|
||||
mv _sphinx_readme.rst README.rst
|
||||
Loading…
Reference in New Issue