1 files changed, 22 insertions, 0 deletions
diff --git a/src/FilterPlugin.py b/src/FilterPlugin.py
new file mode 100644
index 0000000..6524d20
--- /dev/null
+++ b/src/FilterPlugin.py
@@ -0,0 +1,22 @@
+from typing import Any
+from Item import Item
+from PluginInterface import PluginInterface
+from utils import get_param
+
+
+class Plugin(PluginInterface):
+    def __init__(self, id: str, params: dict[str, Any]) -> None:
+        super().__init__(id, params)
+        self.filter_expr: str = get_param("filter_expr", params)
+        print(f"[FilterPlugin#{self.id}] initialized")
+
+    def validate_input_n(self, n: int) -> bool:
+        return n == 1
+
+    def process(self, inputs: list[list[Item]]) -> list[Item]:
+        input_feed: list[Item] = inputs[0]
+        print(f"[FilterPlugin#{self.id}] process called, n={len(input_feed)}")
+        expr = f"filter(lambda item: {self.filter_expr}, input_feed)"
+        ret = list(eval(expr, {"input_feed": input_feed}))
+        print(f"[FilterPlugin#{self.id}] process returning items, n={len(ret)}")
+        return ret