Merge branch 'main' into pre-commit-ci-update-config

examples/apps/django/requirements.txt

@@ -2,4 +2,4 @@ django==4.2.17
 channels==2.2.0
 panel==0.9.3
 bokeh==2.0.2
-jinja2==3.1.4
+jinja2==3.1.5

panel/chat/interface.py

@@ -362,11 +362,11 @@ def _init_widgets(self):
         self._input_layout = input_layout
 
     def _wrap_callbacks(
-            self,
-            callback: Callable | None = None,
-            post_callback: Callable | None = None,
-            name: str = ""
-        ):
+        self,
+        callback: Callable | None = None,
+        post_callback: Callable | None = None,
+        name: str = ""
+    ):
         """
         Wrap the callback and post callback around the default callback.
         """
@@ -654,7 +654,6 @@ async def _cleanup_response(self):
         await super()._cleanup_response()
         await self._update_input_disabled()
 
-
     def send(
         self,
         value: ChatMessage | dict | Any,

panel/command/convert.py

@@ -114,7 +114,7 @@ def invoke(self, args: argparse.Namespace) -> None:
         for f in args.files:
             p = pathlib.Path(f).absolute()
             if not p.is_file():
-                raise ValueError('File {f!r} not found.')
+                raise FileNotFoundError(f'File {f!r} not found.')
             elif p not in excluded:
                 included.append(p)
 

panel/dist/css/chat_feed.css

@@ -1,3 +1,11 @@
 .chat-feed-header {
   margin-left: 15px;
 }
+
+::-webkit-scrollbar {
+  width: 8px;
+}
+
+::-webkit-scrollbar-thumb {
+  background-color: var(--panel-secondary-color, #f1f1f1);
+}

panel/dist/css/listpanel.css

@@ -61,3 +61,7 @@
   margin-top: 10px;
   filter: invert();
 }
+
+.card-button > svg {
+  stroke: var(--background-text-color);
+}

panel/io/callbacks.py

@@ -169,20 +169,16 @@ def start(self):
             finally:
                 self._updating = False
         self._start_time = time.time()
-        if state._is_pyodide:
-            self._cb = asyncio.create_task(
-                self._async_repeat(self._periodic_callback)
-            )
-        elif state.curdoc and state.curdoc.session_context:
+        if state.curdoc and state.curdoc.session_context and not state._is_pyodide:
             self._doc = state.curdoc
             if state._unblocked(state.curdoc):
                 self._cb = self._doc.add_periodic_callback(self._periodic_callback, self.period)
             else:
                 self._doc.add_next_tick_callback(self.start)
         else:
-            from tornado.ioloop import PeriodicCallback
-            self._cb = PeriodicCallback(lambda: asyncio.create_task(self._periodic_callback()), self.period)
-            self._cb.start()
+            self._cb = asyncio.create_task(
+                self._async_repeat(self._periodic_callback)
+            )
 
     def stop(self):
         """
@@ -197,15 +193,13 @@ def stop(self):
         with param.discard_events(self):
             self.counter = 0
         self._timeout = None
-        if state._is_pyodide and self._cb:
-            self._cb.cancel()
-        elif self._doc and self._cb:
+        if self._doc and self._cb and not state._is_pyodide:
             if self._doc._session_context:
                 self._doc.callbacks.remove_session_callback(self._cb)
             elif self._cb in self._doc.callbacks.session_callbacks:
                 self._doc.callbacks._session_callbacks.remove(self._cb)
         elif self._cb:
-            self._cb.stop()
+            self._cb.cancel()
         self._cb = None
         doc = self._doc or curdoc_locked()
         if doc:

panel/io/server.py

@@ -12,6 +12,7 @@
 import pathlib
 import signal
 import sys
+import threading
 import uuid
 
 from collections.abc import Callable, Mapping
@@ -111,19 +112,37 @@ def _server_url(url: str, port: int) -> str:
     else:
         return f"http://{url.split(':')[0]}:{port}/"
 
+_tasks = set()
+
 def async_execute(func: Callable[..., None]) -> None:
     """
     Wrap async event loop scheduling to ensure that with_lock flag
     is propagated from function to partial wrapping it.
     """
     if not state.curdoc or not state.curdoc.session_context:
-        ioloop = IOLoop.current()
-        event_loop = ioloop.asyncio_loop # type: ignore
+        try:
+            loop = asyncio.get_running_loop()
+        except RuntimeError:
+            loop = asyncio.new_event_loop()
+            asyncio.set_event_loop(loop)
+        # Avoid creating IOLoop if one is not already associated
+        # with the asyncio loop or we're on a child thread
+        if hasattr(IOLoop, '_ioloop_for_asyncio') and loop in IOLoop._ioloop_for_asyncio:
+            ioloop = IOLoop._ioloop_for_asyncio[loop]
+        elif threading.current_thread() is not threading.main_thread():
+            ioloop = IOLoop.current()
+        else:
+            ioloop = None
         wrapper = state._handle_exception_wrapper(func)
-        if event_loop.is_running():
-            ioloop.add_callback(wrapper)
+        if loop.is_running():
+            if ioloop is None:
+                task = asyncio.ensure_future(wrapper())
+                _tasks.add(task)
+                task.add_done_callback(_tasks.discard)
+            else:
+                ioloop.add_callback(wrapper)
         else:
-            event_loop.run_until_complete(wrapper())
+            loop.run_until_complete(wrapper())
         return
 
     if isinstance(func, partial) and hasattr(func.func, 'lock'):

panel/layout/accordion.py

@@ -36,7 +36,7 @@ class Accordion(NamedListPanel):
     >>> pn.Accordion(some_pane_with_a_name, ("Plot", some_plot))
     """
 
-    active_header_background = param.String(default='#ddd', doc="""
+    active_header_background = param.String(default=None, doc="""
         Color for currently active headers.""")
 
     active = param.List(default=[], doc="""

panel/layout/card.py

@@ -29,7 +29,7 @@ class Card(Column):
     ... )
     """
 
-    active_header_background = param.String(doc="""
+    active_header_background = param.String(default=None, doc="""
         A valid CSS color for the header background when not collapsed.""")
 
     button_css_classes = param.List(default=['card-button'], doc="""

panel/param.py

@@ -174,7 +174,7 @@ class Param(Pane):
         usually to update the default Parameter values of the
         underlying parameterized object.""")
 
-    name = param.String(default='', doc="""
+    name = param.String(default='', constant=False, doc="""
         Title of the pane.""")
 
     object = param.Parameter(default=None, allow_refs=False, doc="""

panel/styles/models/filedropper.less

@@ -1,4 +1,9 @@
 .bk-input.filepond--root {
-  background-color: unset;
+  background-color: var(--panel-surface-color, #f1f1f1);
   border: unset;
 }
+
+.bk-input.filepond--root .filepond--drop-label {
+  color: var(--panel-on-surface-color, #000);
+  background-color: var(--panel-surface-color, #f1f1f1);
+}