Feature/66 custom encoder (#69)

* fix: add custom encoder to handle datetime serialization

setup.py

@@ -20,7 +20,7 @@
     name="taipy-rest",
     keywords="taipy-rest",
     python_requires=">=3.8",
-    version="1.1.1",
+    version="1.1.2",
     author_email="[email protected]",
     packages=find_namespace_packages(where="src") + find_packages(include=["taipy", "taipy.rest"]),
     package_dir={"": "src"},

src/taipy/rest/app.py

@@ -15,6 +15,7 @@
 
 from . import api
 from .extensions import apispec
+from .commons.encoder import _CustomEncoder
 
 
 def create_app(testing=False, flask_env=None, secret_key=None):
@@ -26,6 +27,8 @@ def create_app(testing=False, flask_env=None, secret_key=None):
         SECRET_KEY=os.getenv("SECRET_KEY", secret_key),
     )
 
+    app.config["RESTFUL_JSON"] = {'cls': _CustomEncoder} 
+
     configure_apispec(app)
     register_blueprints(app)
 

src/taipy/rest/commons/encoder.py

@@ -0,0 +1,18 @@
+import json
+from typing import Any, Union
+from datetime import datetime
+from enum import Enum
+
+
+
+Json = Union[dict, list, str, int, float, bool, None]
+
+class _CustomEncoder(json.JSONEncoder):
+    def default(self, o: Any) -> Json:
+        if isinstance(o, Enum):
+            result = o.value
+        elif isinstance(o, datetime):
+            result = {"__type__": "Datetime", "__value__": o.isoformat()}
+        else:
+            result = json.JSONEncoder.default(self, o)
+        return result