A Simple Plugin System for Python
Project description
Summary
Annex provides assistance with developing plugin-based tools.
With Annex you can load and reload plugins from various python modules without the requirement that they exist on the PYTHONPATH.
Example Usage
In your project you would define a base class from which all plugins for project would subclass.
base_plugin.py
class BaseTestPlugin(object):
def run(self, *args, **kwargs):
raise NotImplementedError()
example_plugin.py
from base_plugin import BaseTestPlugin
class PrinterPlugin(BaseTestPlugin):
def run(self, *args, **kwargs):
print args, kwargs
foo.py
from base_plugin import BaseTestPlugin
from annex import Annex
plugins = Annex(BaseTestPlugin, "/path/to/plugins")
for plugin in plugins:
plugin.run("foo", bar="baz")
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