1 files changed, 19 insertions, 0 deletions

diff --git a/data/csv.py b/data/csv.py
index 2a8115b..2b1e202 100644
--- a/data/csv.py
+++ b/data/csv.py
@@ -130,6 +130,25 @@ class VlpnDataItem(NamedTuple):
     collection: list[str]
 
 
+def keyword_filter(
+    placeholder_tokens: Optional[list[str]],
+    collection: Optional[list[str]],
+    exclude_collections: Optional[list[str]],
+    item: VlpnDataItem
+):
+    cond1 = placeholder_tokens is None or any(
+        keyword in part
+        for keyword in placeholder_tokens
+        for part in item.prompt
+    )
+    cond2 = collection is None or collection in item.collection
+    cond3 = exclude_collections is None or not any(
+        collection in item.collection
+        for collection in exclude_collections
+    )
+    return cond1 and cond2 and cond3
+
+
 class VlpnDataModule():
     def __init__(
         self,