mobuchowski commented on PR #38155:
URL: https://github.com/apache/airflow/pull/38155#issuecomment-2044703627
@potiuk to make sure we fully understand: it means that when the plugin hook
gets called and your listener do not implement the argument, it does get
called, but just does not receive the particular argument
```python
import sys
from pluggy import PluginManager, HookspecMarker, HookimplMarker
hookspec = HookspecMarker("myproject")
hookimpl = HookimplMarker("myproject")
@hookspec
def myhook(config, arg):
pass
class Plugin1:
@hookimpl
def myhook(self, arg):
print("hook without config")
class Plugin2:
@hookimpl
def myhook(self, config, arg):
print("hook with config")
pm = PluginManager("myproject")
# load from the local module's namespace
pm.add_hookspecs(sys.modules[__name__])
pm.register(Plugin1())
pm.register(Plugin2())
pm.hook.myhook(config="config", arg="arg")
```
prints both
```
hook with config
hook without config
```
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