Python的插件和钩子调用机制
项目描述
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一个明确的例子
import aiopluggy, asyncio
hookspec = aiopluggy.HookspecMarker("myproject")
hookimpl = aiopluggy.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.asyncio
async 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
async def main():
# create a manager and add the spec
pm = aiopluggy.PluginManager("myproject")
pm.register_specs(MySpec)
# register plugins
await pm.register(Plugin_1())
await pm.register(Plugin_2())
# call our `myhook` hook
results = await pm.hook.myhook(arg1=1, arg2=2)
print(results)
asyncio.get_event_loop.run_until_complete(main())
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aiopluggy-0.1.5rc3.tar.gz的哈希值
算法 | 哈希摘要 | |
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SHA256 | b35386853c0ad32004aff7015d219d9c3d92f9a77e96aafaca8afec87e0ab141 |
|
MD5 | 89c72925006c3efdc400b9871c751b6b |
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BLAKE2b-256 | e1bf82d53651603f773043919d70c598db06a22b0e2d485cf43a3ec652868781 |