console options optimization

src/textual/app.py

@@ -53,7 +53,7 @@
 import rich
 import rich.repr
 from platformdirs import user_downloads_path
-from rich.console import Console, RenderableType
+from rich.console import Console, ConsoleDimensions, ConsoleOptions, RenderableType
 from rich.control import Control
 from rich.protocol import is_renderable
 from rich.segment import Segment, Segments
@@ -1129,6 +1129,25 @@ def current_mode(self) -> str:
         """The name of the currently active mode."""
         return self._current_mode
 
+    @property
+    def console_options(self) -> ConsoleOptions:
+        """Get options for the Rich console.
+
+        Returns:
+            Console options (same object returned from `console.options`).
+        """
+        size = ConsoleDimensions(*self.size)
+        console = self.console
+        return ConsoleOptions(
+            max_height=size.height,
+            size=size,
+            legacy_windows=console.legacy_windows,
+            min_width=1,
+            max_width=size.width,
+            encoding=console.encoding,
+            is_terminal=console.is_terminal,
+        )
+
     def exit(
         self,
         result: ReturnType | None = None,

src/textual/visual.py

@@ -293,7 +293,8 @@ def get_optimal_width(self, rules: RulesMap, container_width: int) -> int:
         return width
 
     def get_height(self, rules: RulesMap, width: int) -> int:
-        console = active_app.get().console
+        app = active_app.get()
+        console = app.console
         renderable = self._renderable
         if isinstance(renderable, Text):
             height = len(
@@ -305,7 +306,8 @@ def get_height(self, rules: RulesMap, width: int) -> int:
                 )
             )
         else:
-            options = console.options.update_width(width).update(highlight=False)
+            console_options = app.console_options
+            options = console_options.update_width(width).update(highlight=False)
             segments = console.render(renderable, options)
             # Cheaper than counting the lines returned from render_lines!
             height = sum([text.count("\n") for text, _, _ in segments])
@@ -326,8 +328,9 @@ def render_strips(
         Returns:
             An list of Strips.
         """
-        console = active_app.get().console
-        console_options = console.options.update(
+        app = active_app.get()
+        console = app.console
+        console_options = app.console_options.update(
             highlight=False,
             width=width,
             height=height,

src/textual/widgets/_data_table.py

@@ -2121,17 +2121,17 @@ def _render_cell(
 
             if is_header_cell:
                 row_height = self.header_height
-                options = self.app.console.options.update_dimensions(width, row_height)
+                options = self.app.console_options.update_dimensions(width, row_height)
             else:
                 # If an auto-height row hasn't had its height calculated, we don't fix
                 # the value for `height` so that we can measure the height of the cell.
                 row = self.rows[row_key]
                 if row.auto_height and row.height == 0:
                     row_height = 0
-                    options = self.app.console.options.update_width(width)
+                    options = self.app.console_options.update_width(width)
                 else:
                     row_height = row.height
-                    options = self.app.console.options.update_dimensions(
+                    options = self.app.console_options.update_dimensions(
                         width, row_height
                     )
 

src/textual/widgets/_input.py

@@ -601,6 +601,7 @@ def render_line(self, y: int) -> Strip:
             return Strip.blank(self.size.width)
 
         console = self.app.console
+        console_options = self.app.console_options
         max_content_width = self.scrollable_content_region.width
 
         if not self.value:
@@ -617,7 +618,7 @@ def render_line(self, y: int) -> Strip:
 
             strip = Strip(
                 console.render(
-                    placeholder, console.options.update_width(max_content_width + 1)
+                    placeholder, console_options.update_width(max_content_width + 1)
                 )
             )
         else:
@@ -650,7 +651,7 @@ def render_line(self, y: int) -> Strip:
                     result.stylize(cursor_style, cursor, cursor + 1)
 
             segments = list(
-                console.render(result, console.options.update_width(self.content_width))
+                console.render(result, console_options.update_width(self.content_width))
             )
 
             strip = Strip(segments)