Added a default (de)serializer for date objects.

Author: drorvinkler

CHANGELOG.rst

@@ -1,5 +1,9 @@
 Changelog
 =========
+0.12.6 (2022-10-22)
+___________________
+- Added a default (de)serializer for ``date`` objects.
+
 0.12.5 (2022-03-23)
 ___________________
 - Added a default (de)serializer for ``time`` objects.

setup.py

@@ -6,7 +6,7 @@
 
 setuptools.setup(
     name="yasoo",
-    version="0.12.5",
+    version="0.12.6",
     author="Dror A. Vinkler",
     description="Yet another serializer of objects",
     long_description=long_description,

src/yasoo/default_customs.py

@@ -1,8 +1,16 @@
-from datetime import datetime, time
+from datetime import date, time, datetime
 
 from .utils import type_to_string, fully_qualified_string_to_type
 
 
+def serialize_date(d: date) -> dict:
+    return {"date": d.toordinal()}
+
+
+def deserialize_date(d: dict) -> date:
+    return date.fromordinal(d["date"])
+
+
 def serialize_time(t: time) -> dict:
     return {"time": t.isoformat()}
 

src/yasoo/deserialization.py

@@ -20,7 +20,12 @@
 )
 
 from .constants import ENUM_VALUE_KEY, ITERABLE_VALUE_KEY
-from .default_customs import deserialize_type, deserialize_time, deserialize_datetime
+from .default_customs import (
+    deserialize_type,
+    deserialize_time,
+    deserialize_datetime,
+    deserialize_date,
+)
 from .objects import DictWithSerializedKeys
 from .utils import (
     resolve_types,
@@ -41,6 +46,7 @@ def __init__(self) -> None:
         super().__init__()
         t = Dict[type, Callable[[Dict[str, Any], Type[T]], T]]
         self._custom_deserializers: Dict[Type[T], Callable[[Dict[str, Any]], T]] = {
+            datetime.date: deserialize_date,
             datetime.time: deserialize_time,
             datetime.datetime: deserialize_datetime,
         }

src/yasoo/serialization.py

@@ -7,7 +7,12 @@
 from typing import Dict, Any, Union, Mapping, Iterable, Callable, Optional
 
 from .constants import ENUM_VALUE_KEY, ITERABLE_VALUE_KEY
-from .default_customs import serialize_type, serialize_time, serialize_datetime
+from .default_customs import (
+    serialize_type,
+    serialize_time,
+    serialize_datetime,
+    serialize_date,
+)
 from .objects import DictWithSerializedKeys
 from .utils import (
     normalize_type,
@@ -24,6 +29,7 @@ class Serializer:
     def __init__(self) -> None:
         super().__init__()
         self._custom_serializers: Dict[type, Callable[[Any], Dict[str, Any]]] = {
+            datetime.date: serialize_date,
             datetime.time: serialize_time,
             datetime.datetime: serialize_datetime,
         }

tests/integration_tests/test_common.py

@@ -31,6 +31,10 @@ def test_stringified_dict_key_types(self):
         restored = deserialize(serialized)
         self.assertEqual(original, restored)
 
+    def test_date(self):
+        d = datetime.now().date()
+        self.assertEqual(d, deserialize(serialize(d)))
+
     def test_time(self):
         t = datetime.now().time()
         self.assertEqual(t, deserialize(serialize(t)))