wip: start of exporting app as dict/json.

examples/farmyard/main.py

@@ -171,31 +171,87 @@ def make_pigs(number_of_oinks):
 # Add a page that shows the code! ######################################################
 
 
-app.content.append(
-    Page(
-        name="Code",
-        content=[
-            Row(
-                content=[
-                    Button(
-                        name="to_lucy",
-                        label="Visit Lucy",
-                        channel="navigate",
-                        position="FILL",
-                    ),
-                    Button(
-                        name="to_percy",
-                        label="Visit Percy",
-                        channel="navigate",
-                        position="FILL",
-                    ),
-                ]
-            ),
-            Code(code=export.as_pyscript_app(app)[0]),
-        ],
-    )
-)
-
+# app.content.append(
+#     Page(
+#         name="Code",
+#         content=[
+#             Row(
+#                 content=[
+#                     Button(
+#                         name="to_lucy",
+#                         label="Visit Lucy",
+#                         channel="navigate",
+#                         position="FILL",
+#                     ),
+#                     Button(
+#                         name="to_percy",
+#                         label="Visit Percy",
+#                         channel="navigate",
+#                         position="FILL",
+#                     ),
+#                 ]
+#             ),
+#             #Code(code=export.as_pyscript_app(app)[0]),
+#             Code(code=export.as_dict(app)),
+#         ],
+#     )
+# )
+
+
+def to_minified_json(obj):
+    import zlib
+    import base64
+    import json
+
+    # Serialized JSON string
+    serialized_json = json.dumps(obj)
+    print("JSON length:", len(serialized_json))
+
+    # Convert the serialized JSON string to bytes
+    json_bytes = serialized_json.encode('utf-8')
+
+    # Compress the bytes using gzip
+    compressed_data = zlib.compress(json_bytes)#, level=zlib.Z_BEST_COMPRESSION)
+
+    # Encode the compressed data using Base64
+    encoded_data = base64.b64encode(compressed_data)
+
+    result = encoded_data.decode('utf-8')
+    print("MINIFIED length:", len(result))
+    return result
+
+def from_minified_json(minified_json):
+    import zlib
+    import base64
+
+    encoded_data = minified_json#.decode('utf-8')
+    # Base64-encoded string
+    #encoded_data = "eJwzTcc0tTK3dPFSyC9LKE7MzlVLzs8FAA+A1YU="
+
+    # Decode the Base64-encoded data
+    decoded_data = base64.b64decode(encoded_data)
+
+    # Decompress the data using zlib
+    decompressed_data = zlib.decompress(decoded_data)
+
+    # Print the decompressed data
+    import json
+    return json.loads(decompressed_data.decode('utf-8'))
+
+
+from pprint import pprint
+app_as_dict = export.as_dict(app)
+pprint(app_as_dict)
+
+print("*"*40)
+minified_json = to_minified_json(app_as_dict)
+print(minified_json, len(minified_json), type(minified_json))
+
+print("-"*40)
+app_dict = from_minified_json(minified_json)
+print(app_dict, type(app_dict))
+
+print(app_dict == app_as_dict)
 
 # GO! ##################################################################################
 

src/invent/ui/core.py

@@ -710,6 +710,7 @@ def as_dict(self):
         properties = {
             key: getattr(self, key) for key in type(self).properties()
         }
+
         return {
             "type": type(self).__name__,
             "properties": properties,
@@ -1067,7 +1068,8 @@ def as_dict(self):
         content of children.
         """
         result = super().as_dict()
-        result["content"] = [child.as_dict for child in self.content]
+        result["properties"]["content"] = [child.as_dict() for child in self.content]
+        return result
 
 
 class Column(Container):

src/invent/ui/export.py

@@ -135,6 +135,18 @@ def as_pyscript_app(app, imports=IMPORTS, datastore="", code="", to_psdc=True):
     return index_html, main_py, pyscript_toml
 
 
+def as_dict(app, imports=IMPORTS, datastore="", code="", to_psdc=True):
+    """Export an app as a dictionary."""
+
+    return dict(
+        imports={},
+        datastore={},
+        blocks={},
+        app=app.as_dict()
+
+    )
+
+
 # Internal ###################################################################
 
 

src/invent/ui/page.py

@@ -29,16 +29,6 @@ class Page(Column):
     widgets to achieve some aim.
     """
 
-    def as_dict(self):
-        """
-        Return a dictionary representation of the object.
-        """
-        return dict(
-            name=self.name,
-            id=self.id,
-            content=[item.as_dict() for item in self.content],
-        )
-
     def render(self):
         """
         Returns an HTML element to insert into the DOM.