Update Alias api JSON serializer to work with the upcoming official Alias Python API module.

Author: staceyoue

python/tk_framework_alias/client/socketio/proxy_wrapper.py

@@ -609,6 +609,11 @@ def _create_object(self):
         """
 
         class_attrs = self._get_attributes()
+
+        # Remove __slots__ — proxy classes don't need them, and their presence
+        # causes ValueError when a class variable shares a name with a slot.
+        class_attrs.pop("__slots__", None)
+
         return type(self.__class_name, (self.__class__,), class_attrs)
 
 
@@ -773,11 +778,16 @@ def _create_proxy(cls, data):
         proxy_module_name = data["__module_name__"]
         module = AliasClientObjectProxyWrapper.get_module(proxy_module_name)
         if not module:
-            raise Exception("Module not found")
+            return None
         proxy_type_name = data["__class_name__"]
         proxy_type = cls.get_proxy_type(proxy_module_name, proxy_type_name)
         if not proxy_type:
-            lookup_type = getattr(module, proxy_type_name)
+            lookup_type = getattr(module, proxy_type_name, None)
+            if lookup_type is None:
+                # Unknown type (e.g. PyCapsule) — create a bare proxy
+                proxy_type = type(proxy_type_name, (cls,), {})
+                cls.store_type(proxy_module_name, proxy_type_name, proxy_type)
+                return proxy_type(data)
             proxy_attributes = lookup_type.__dict__
 
             # Skip any private members, and modify any attributes that conflict

python/tk_framework_alias/server/socketio/namespaces/events_namespace.py

@@ -109,12 +109,14 @@ def on_connect_error(self, data):
 
         self._log_message(None, f"Client connection failed\n{data}")
 
-    def on_disconnect(self, sid):
+    def on_disconnect(self, sid, reason=None):
         """
         A disconnect error event triggered.
 
         :param sid: The session id of the client that triggered the event.
         :type sid: str
+        :param reason: The reason for the disconnect (provided by newer socketio versions).
+        :type reason: str | None
         """
 
         if self.client_sid is None or sid != self.client_sid:

python/tk_framework_alias/server/socketio/namespaces/server_namespace.py

@@ -140,12 +140,14 @@ def on_connect_error(self, data):
 
         self._log_message(None, f"Client connection failed\n{data}")
 
-    def on_disconnect(self, sid):
+    def on_disconnect(self, sid, reason=None):
         """
         A disconnect error event triggered.
 
         :param sid: The session id of the client that triggered the event.
         :type sid: str
+        :param reason: The reason for the disconnect (provided by newer socketio versions).
+        :type reason: str | None
         """
 
         if self.client_sid is None or sid != self.client_sid:
@@ -308,8 +310,13 @@ def on_load_alias_api(
         # Check if the cache is up-to-date. If not, create a new cache. Creating
         # a new cache is expensive and should only be done if the api or
         # extensions have changed
+        force_rebuild = os.environ.get("TK_ALIAS_REBUILD_API_CACHE", "0") in (
+            "1",
+            "true",
+        )
         if (
-            not os.path.exists(cache_filepath)
+            force_rebuild
+            or not os.path.exists(cache_filepath)
             or not os.path.exists(cache_module_filepath)
             or not filecmp.cmp(api_info["file_path"], cache_module_filepath)
             or extensions_updated