nonebot2/nonebot/plugin/export.py
2022-01-12 18:53:30 +08:00

52 lines
1.2 KiB
Python

from . import _current_plugin
class Export(dict):
"""
插件导出内容以使得其他插件可以获得。
用法:
```python
nonebot.export().default = "bar"
@nonebot.export()
def some_function():
pass
# this doesn't work before python 3.9
# use
# export = nonebot.export(); @export.sub
# instead
# See also PEP-614: https://www.python.org/dev/peps/pep-0614/
@nonebot.export().sub
def something_else():
pass
```
"""
def __call__(self, func, **kwargs):
self[func.__name__] = func
self.update(kwargs)
return func
def __setitem__(self, key, value):
super().__setitem__(key, Export(value) if isinstance(value, dict) else value)
def __setattr__(self, name, value):
self[name] = Export(value) if isinstance(value, dict) else value
def __getattr__(self, name):
if name not in self:
self[name] = Export()
return self[name]
def export() -> Export:
"""
获取插件的导出内容对象
"""
plugin = _current_plugin.get()
if not plugin:
raise RuntimeError("Export outside of the plugin!")
return plugin.export