css fixes

examples/basic.py

@@ -18,5 +18,7 @@ class BasicApp(App):
             sidebar=Widget(),
         )
 
+        self.app.panic(repr(self.view.styles))
+
 
 BasicApp.run(css_file="basic.css", watch_css=True, log="textual.log")

src/textual/_border.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 from rich.console import Console, ConsoleOptions, RenderResult, RenderableType
+import rich.repr
 from rich.segment import Segment, SegmentLines
 from rich.style import Style, StyleType
 
@@ -22,6 +23,7 @@ BORDER_STYLES: dict[str, tuple[str, str, str]] = {
 }
 
 
+@rich.repr.auto
 class Border:
     def __init__(
         self,

src/textual/app.py

@@ -7,6 +7,7 @@ import warnings
 from asyncio import AbstractEventLoop
 from typing import Any, Callable, Iterable, Type, TypeVar, TYPE_CHECKING
 
+import rich
 import rich.repr
 from rich.console import Console, RenderableType
 from rich.control import Control
@@ -367,8 +368,14 @@ class App(DOMNode):
         """
 
         if not renderables:
+
             renderables = (
-                Traceback(show_locals=True, width=None, locals_max_length=5),
+                Traceback(
+                    show_locals=True,
+                    width=None,
+                    locals_max_length=5,
+                    suppress=[rich],
+                ),
             )
         self._exit_renderables.extend(renderables)
         self.close_messages_no_wait()

src/textual/css/_style_properties.py

@@ -170,7 +170,6 @@ class BoxProperty:
 class Edges(NamedTuple):
     """Stores edges for border / outline."""
 
-    css_name: str
     top: tuple[BoxType, Style]
     right: tuple[BoxType, Style]
     bottom: tuple[BoxType, Style]
@@ -227,7 +226,6 @@ class BorderProperty:
         top, right, bottom, left = self._properties
 
         border = Edges(
-            self.name,
             getattr(obj, top),
             getattr(obj, right),
             getattr(obj, bottom),

src/textual/view.py

@@ -49,7 +49,6 @@ class View(Widget):
         Returns: The Layout associated with this view
         """
 
-        assert self.styles.layout
         return self.styles.layout
 
     # @layout.setter
@@ -180,6 +179,8 @@ class View(Widget):
         watch(self.app, "background", watch_background)
 
     async def on_idle(self, event: events.Idle) -> None:
+        if self.layout is None:
+            return
         if self.layout.check_update():
             self.layout.reset_update()
             await self.refresh_layout()