Export Python filter function type aliases from package root

sdks/python/pmxt/__init__.py

@@ -61,7 +61,9 @@
     Position,
     Balance,
     MarketFilterCriteria,
+    MarketFilterFunction,
     EventFilterCriteria,
+    EventFilterFunction,
     MarketFetchParams,
     EventFetchParams,
     SeriesFetchParams,
@@ -255,7 +257,9 @@ def restart_server() -> None:
     "FetchMatchedMarketClustersParams",
     "FetchMatchedEventClustersParams",
     "MarketFilterCriteria",
+    "MarketFilterFunction",
     "EventFilterCriteria",
+    "EventFilterFunction",
     "MarketFetchParams",
     "EventFetchParams",
     "SeriesFetchParams",

sdks/python/tests/test_public_exports.py

@@ -30,6 +30,34 @@ def test_websocket_return_types_are_public_exports():
     assert expected <= public_exports
 
 
+def test_filter_function_types_are_public_exports():
+    init_path = Path(__file__).resolve().parents[1] / "pmxt" / "__init__.py"
+    tree = ast.parse(init_path.read_text(encoding="utf-8"))
+
+    imported_models = set()
+    public_exports = set()
+
+    for node in tree.body:
+        if isinstance(node, ast.ImportFrom) and node.module == "models":
+            imported_models.update(alias.name for alias in node.names)
+        elif (
+            isinstance(node, ast.Assign)
+            and len(node.targets) == 1
+            and isinstance(node.targets[0], ast.Name)
+            and node.targets[0].id == "__all__"
+            and isinstance(node.value, ast.List)
+        ):
+            public_exports.update(
+                item.value
+                for item in node.value.elts
+                if isinstance(item, ast.Constant) and isinstance(item.value, str)
+            )
+
+    expected = {"MarketFilterFunction", "EventFilterFunction"}
+    assert expected <= imported_models
+    assert expected <= public_exports
+
+
 def test_fetch_order_book_params_shape_matches_typescript_sdk():
     models_path = Path(__file__).resolve().parents[1] / "pmxt" / "models.py"
     tree = ast.parse(models_path.read_text(encoding="utf-8"))