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plugin and hook calling mechanisms for python

Project Description

This is the core framework used by the pytest, tox, and devpi projects.

Please read the docs to learn more!

A definitive example

import pluggy

hookspec = pluggy.HookspecMarker("myproject")
hookimpl = pluggy.HookimplMarker("myproject")


class MySpec(object):
    """A hook specification namespace.
    """
    @hookspec
    def myhook(self, arg1, arg2):
        """My special little hook that you can customize.
        """


class Plugin_1(object):
    """A hook implementation namespace.
    """
    @hookimpl
    def myhook(self, arg1, arg2):
        print("inside Plugin_1.myhook()")
        return arg1 + arg2


class Plugin_2(object):
    """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)
Release History

Release History

This version
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0.5.2

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0.5.1

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0.5.0

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0.4.0

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0.3.1

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0.3.0

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
pluggy-0.5.2.tar.gz (18.9 kB) Copy SHA256 Checksum SHA256 Source Sep 6, 2017

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