====================================================
pluggy - A minimalist production ready plugin system
====================================================
|pypi| |conda-forge| |versions| |github-actions| |gitter| |black| |codecov|
This is the core framework used by the `pytest`_, `tox`_, and `devpi`_ projects.
Please `read the docs`_ to learn more!
A definitive example
====================
.. code-block:: python
import pluggy
hookspec = pluggy.HookspecMarker("myproject")
hookimpl = pluggy.HookimplMarker("myproject")
class MySpec:
"""A hook specification namespace."""
@hookspec
def myhook(self, arg1, arg2):
"""My special little hook that you can customize."""
class Plugin_1:
"""A hook implementation namespace."""
@hookimpl
def myhook(self, arg1, arg2):
print("inside Plugin_1.myhook()")
return arg1 + arg2
class Plugin_2:
"""A 2nd hook implementation namespace."""
@hookimpl
def myhook(self, arg1, arg2):
print("inside Plugin_2.myhook()")
return arg1 - arg2
# create a manager and add the spec
pm = pluggy.PluginManager("myproject")
pm.add_hookspecs(MySpec)
# register plugins
pm.register(Plugin_1())
pm.register(Plugin_2())
# call our ``myhook`` hook
results = pm.hook.myhook(arg1=1, arg2=2)
print(results)
Running this directly gets us::
$ python docs/examples/toy-example.py
inside Plugin_2.myhook()
inside Plugin_1.myhook()
[-1, 3]
.. badges
.. |pypi| image:: https://img.shields.io/pypi/v/pluggy.svg
:target: https://pypi.org/pypi/pluggy
.. |versions| image:: https://img.shields.io/pypi/pyversions/pluggy.svg
:target: https://pypi.org/pypi/pluggy
.. |github-actions| image:: https://github.com/pytest-dev/pluggy/workflows/main/badge.svg
:target: https://github.com/pytest-dev/pluggy/actions
.. |conda-forge| image:: https://img.shields.io/conda/vn/conda-forge/pluggy.svg
:target: https://anaconda.org/conda-forge/pytest
.. |gitter| image:: https://badges.gitter.im/pytest-dev/pluggy.svg
:alt: Join the chat at https://gitter.im/pytest-dev/pluggy
:target: https://gitter.im/pytest-dev/pluggy?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge
.. |black| image:: https://img.shields.io/badge/code%20style-black-000000.svg
:target: https://github.com/ambv/black
.. |codecov| image:: https://codecov.io/gh/pytest-dev/pluggy/branch/master/graph/badge.svg
:target: https://codecov.io/gh/pytest-dev/pluggy
:alt: Code coverage Status
.. links
.. _pytest:
http://pytest.org
.. _tox:
https://tox.readthedocs.org
.. _devpi:
http://doc.devpi.net
.. _read the docs:
https://pluggy.readthedocs.io/en/latest/
Support pluggy
--------------
`Open Collective`_ is an online funding platform for open and transparent communities.
It provides tools to raise money and share your finances in full transparency.
It is the platform of choice for individuals and companies that want to make one-time or
monthly donations directly to the project.
``pluggy`` is part of the ``pytest-dev`` project, see more details in the `pytest collective`_.
.. _Open Collective: https://opencollective.com
.. _pytest collective: https://opencollective.com/pytest
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"description": "====================================================\npluggy - A minimalist production ready plugin system\n====================================================\n\n|pypi| |conda-forge| |versions| |github-actions| |gitter| |black| |codecov|\n\nThis is the core framework used by the `pytest`_, `tox`_, and `devpi`_ projects.\n\nPlease `read the docs`_ to learn more!\n\nA definitive example\n====================\n.. code-block:: python\n\n import pluggy\n\n hookspec = pluggy.HookspecMarker(\"myproject\")\n hookimpl = pluggy.HookimplMarker(\"myproject\")\n\n\n class MySpec:\n \"\"\"A hook specification namespace.\"\"\"\n\n @hookspec\n def myhook(self, arg1, arg2):\n \"\"\"My special little hook that you can customize.\"\"\"\n\n\n class Plugin_1:\n \"\"\"A hook implementation namespace.\"\"\"\n\n @hookimpl\n def myhook(self, arg1, arg2):\n print(\"inside Plugin_1.myhook()\")\n return arg1 + arg2\n\n\n class Plugin_2:\n \"\"\"A 2nd hook implementation namespace.\"\"\"\n\n @hookimpl\n def myhook(self, arg1, arg2):\n print(\"inside Plugin_2.myhook()\")\n return arg1 - arg2\n\n\n # create a manager and add the spec\n pm = pluggy.PluginManager(\"myproject\")\n pm.add_hookspecs(MySpec)\n\n # register plugins\n pm.register(Plugin_1())\n pm.register(Plugin_2())\n\n # call our ``myhook`` hook\n results = pm.hook.myhook(arg1=1, arg2=2)\n print(results)\n\n\nRunning this directly gets us::\n\n $ python docs/examples/toy-example.py\n inside Plugin_2.myhook()\n inside Plugin_1.myhook()\n [-1, 3]\n\n\n.. badges\n\n.. |pypi| image:: https://img.shields.io/pypi/v/pluggy.svg\n :target: https://pypi.org/pypi/pluggy\n\n.. |versions| image:: https://img.shields.io/pypi/pyversions/pluggy.svg\n :target: https://pypi.org/pypi/pluggy\n\n.. |github-actions| image:: https://github.com/pytest-dev/pluggy/workflows/main/badge.svg\n :target: https://github.com/pytest-dev/pluggy/actions\n\n.. |conda-forge| image:: https://img.shields.io/conda/vn/conda-forge/pluggy.svg\n :target: https://anaconda.org/conda-forge/pytest\n\n.. |gitter| image:: https://badges.gitter.im/pytest-dev/pluggy.svg\n :alt: Join the chat at https://gitter.im/pytest-dev/pluggy\n :target: https://gitter.im/pytest-dev/pluggy?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge\n\n.. |black| image:: https://img.shields.io/badge/code%20style-black-000000.svg\n :target: https://github.com/ambv/black\n\n.. |codecov| image:: https://codecov.io/gh/pytest-dev/pluggy/branch/master/graph/badge.svg\n :target: https://codecov.io/gh/pytest-dev/pluggy\n :alt: Code coverage Status\n\n.. links\n.. _pytest:\n http://pytest.org\n.. _tox:\n https://tox.readthedocs.org\n.. _devpi:\n http://doc.devpi.net\n.. _read the docs:\n https://pluggy.readthedocs.io/en/latest/\n\n\nSupport pluggy\n--------------\n\n`Open Collective`_ is an online funding platform for open and transparent communities.\nIt provides tools to raise money and share your finances in full transparency.\n\nIt is the platform of choice for individuals and companies that want to make one-time or\nmonthly donations directly to the project.\n\n``pluggy`` is part of the ``pytest-dev`` project, see more details in the `pytest collective`_.\n\n.. _Open Collective: https://opencollective.com\n.. _pytest collective: https://opencollective.com/pytest\n",
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