ppc64le/linux-1.0.0/: greenlet-3.1.1 metadata and description

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Lightweight in-process concurrent programming

author Alexey Borzenkov
author_email [email protected]
classifiers
  • Development Status :: 5 - Production/Stable
  • Intended Audience :: Developers
  • License :: OSI Approved :: MIT License
  • Natural Language :: English
  • Programming Language :: C
  • Programming Language :: Python
  • Programming Language :: Python :: 3
  • Programming Language :: Python :: 3 :: Only
  • Programming Language :: Python :: 3.7
  • Programming Language :: Python :: 3.8
  • Programming Language :: Python :: 3.9
  • Programming Language :: Python :: 3.10
  • Programming Language :: Python :: 3.11
  • Programming Language :: Python :: 3.12
  • Programming Language :: Python :: 3.13
  • Operating System :: OS Independent
  • Topic :: Software Development :: Libraries :: Python Modules
  • Environment :: MetaData :: IBM Python Ecosystem
description_content_type text/x-rst
dynamic
  • author
  • author-email
  • classifier
  • description
  • description-content-type
  • home-page
  • keywords
  • license
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  • maintainer
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keywords greenlet coroutine concurrency threads cooperative
license MIT License
license_file
  • LICENSE
  • LICENSE.PSF
  • AUTHORS
maintainer Jason Madden
maintainer_email [email protected]
metadata_version 2.4
project_urls
  • Bug Tracker, https://github.com/python-greenlet/greenlet/issues
  • Source Code, https://github.com/python-greenlet/greenlet/
  • Documentation, https://greenlet.readthedocs.io/
provides_extras
  • docs
  • test
requires_dist
  • Sphinx; extra == "docs"
  • furo; extra == "docs"
  • objgraph; extra == "test"
  • psutil; extra == "test"
requires_python >=3.7
File Tox results History
greenlet-3.1.1-cp310-cp310-linux_ppc64le.whl
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greenlet-3.1.1-cp311-cp311-linux_ppc64le.whl
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greenlet-3.1.1-cp312-cp312-linux_ppc64le.whl
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greenlet-3.1.1-cp313-cp313-linux_ppc64le.whl
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greenlet-3.1.1-cp39-cp39-linux_ppc64le.whl
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Greenlets are lightweight coroutines for in-process concurrent programming.

The “greenlet” package is a spin-off of Stackless, a version of CPython that supports micro-threads called “tasklets”. Tasklets run pseudo-concurrently (typically in a single or a few OS-level threads) and are synchronized with data exchanges on “channels”.

A “greenlet”, on the other hand, is a still more primitive notion of micro-thread with no implicit scheduling; coroutines, in other words. This is useful when you want to control exactly when your code runs. You can build custom scheduled micro-threads on top of greenlet; however, it seems that greenlets are useful on their own as a way to make advanced control flow structures. For example, we can recreate generators; the difference with Python’s own generators is that our generators can call nested functions and the nested functions can yield values too. (Additionally, you don’t need a “yield” keyword. See the example in test_generator.py).

Greenlets are provided as a C extension module for the regular unmodified interpreter.

Who is using Greenlet?

There are several libraries that use Greenlet as a more flexible alternative to Python’s built in coroutine support:

Getting Greenlet

The easiest way to get Greenlet is to install it with pip:

pip install greenlet

Source code archives and binary distributions are available on the python package index at https://pypi.org/project/greenlet

The source code repository is hosted on github: https://github.com/python-greenlet/greenlet

Documentation is available on readthedocs.org: https://greenlet.readthedocs.io