Support date instance for temporal oprators

Author: ka7eh

pygeofilter/parsers/cql2_json/parser.py

@@ -48,6 +48,7 @@ def walk_cql_json(node: JsonType):  # noqa: C901
             float,
             int,
             bool,
+            date,
             datetime,
             values.Geometry,
             values.Interval,

tests/parsers/cql2_json/test_parser.py

@@ -26,7 +26,7 @@
 # ------------------------------------------------------------------------------
 
 import json
-from datetime import datetime, timedelta
+from datetime import date, datetime, timedelta
 
 from dateparser.timezone_parser import StaticTzInfo
 from pygeoif import geometry
@@ -164,6 +164,20 @@ def test_attribute_before():
         datetime(2000, 1, 1, 0, 0, 1, tzinfo=StaticTzInfo("Z", timedelta(0))),
     )
 
+    result = parse(
+        {
+            "op": "t_before",
+            "args": [
+                {"property": "attr"},
+                {"date": "2000-01-01"},
+            ],
+        }
+    )
+    assert result == ast.TimeBefore(
+        ast.Attribute("attr"),
+        date(2000, 1, 1),
+    )
+
 
 def test_attribute_after_dt_dt():
     result = parse(