I can persist tabmanager state

src/myfasthtml/core/instances.py

@@ -17,9 +17,10 @@ class BaseInstance:
   Base class for all instances (manageable by InstancesManager)
   """
   
-  def __init__(self, session: dict, _id: str, auto_register: bool = True):
+  def __init__(self, session: dict, prefix: str, _id: str, auto_register: bool = True):
     self._session = session
     self._id = _id
+    self._prefix = prefix
     if auto_register:
       InstancesManager.register(session, self)
   
@@ -28,6 +29,9 @@ class BaseInstance:
   
   def get_session(self):
     return self._session
+  
+  def get_prefix(self):
+    return self._prefix
 
 
 class SingleInstance(BaseInstance):
@@ -36,8 +40,7 @@ class SingleInstance(BaseInstance):
   """
   
   def __init__(self, session: dict, prefix: str, auto_register: bool = True):
-    super().__init__(session, prefix, auto_register)
-    self._instance = None
+    super().__init__(session, prefix, prefix, auto_register)
 
 
 class UniqueInstance(BaseInstance):
@@ -47,8 +50,8 @@ class UniqueInstance(BaseInstance):
   """
   
   def __init__(self, session: dict, prefix: str, auto_register: bool = True):
-    super().__init__(session, prefix, auto_register)
-    self._instance = None
+    super().__init__(session, prefix, prefix, auto_register)
+    self._prefix = prefix
 
 
 class MultipleInstance(BaseInstance):
@@ -56,9 +59,9 @@ class MultipleInstance(BaseInstance):
   Base class for instances that can have multiple instances at a time.
   """
   
-  def __init__(self, session: dict, prefix: str, auto_register: bool = True):
-    super().__init__(session, f"{prefix}-{str(uuid.uuid4())}", auto_register)
-    self._instance = None
+  def __init__(self, session: dict, prefix: str, auto_register: bool = True, _id=None):
+    super().__init__(session, prefix, f"{prefix}-{_id or str(uuid.uuid4())}", auto_register)
+    self._prefix = prefix
 
 
 class InstancesManager: