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from app.Item import Item
from app.PluginInterface import Params, PluginInterface
from app.utils import get_param
class Plugin(PluginInterface):
def __init__(self, id: str, params: Params) -> None:
super().__init__(id, params)
self.filter_expr: str = get_param("filter_expr", params)
print(f"[FilterPlugin#{self.id}] initialized")
def process(self, source_id: str | None, items: list[Item]) -> list[Item]:
print(f"[FilterPlugin#{self.id}] process called, n={len(items)}")
if source_id is None:
raise Exception(f"[FilterPlugin#{self.id}] can not be scheduled")
expr = f"filter(lambda item: {self.filter_expr}, input_feed)"
ret = list(eval(expr, {"input_feed": items}))
print(f"[FilterPlugin#{self.id}] process returning items, n={len(ret)}")
return ret
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