Textualize/textual v0.41.0

The scarily good release

on GitHub

Just in time for Halloween, we have a new release. There are a lot of fixes, and improvement to startup time. A few breaking changes that are unlikely to impact many people.

We also reached the scary milestone of 666 forks!

[0.41.0] - 2023-10-31

Fixed

• Fixed Input.cursor_blink reactive not changing blink state after Input was mounted #3498
• Fixed Tabs.active attribute value not being re-assigned after removing a tab or clearing #3498
• Fixed DirectoryTree race-condition crash when changing path #3498
• Fixed issue with LRUCache.discard #3537
• Fixed DataTable not scrolling to rows that were just added #3552
• Fixed cache bug with DataTable.update_cell #3551
• Fixed CSS errors being repeated #3566
• Fix issue with chunky highlights on buttons #3571
• Fixed OptionList event leakage from CommandPalette to App.
• Fixed crash in LoadingIndicator #3498
• Fixed crash when Tabs appeared as a descendant of TabbedContent in the DOM #3602
• Fixed the command palette cancelling other workers #3615

Added

• Add Document get_index_from_location / get_location_from_index #3410
• Add setter for TextArea.text #3525
• Added key argument to the DataTable.sort() method, allowing the table to be sorted using a custom function (or other callable) #3090
• Added initial to all css rules, which restores default (i.e. value from DEFAULT_CSS) #3566
• Added HorizontalPad to pad.py #3571
• Added AwaitComplete class, to be used for optionally awaitable return values #3498

Changed

• Breaking change: Button.ACTIVE_EFFECT_DURATION classvar converted to Button.active_effect_duration attribute #3498
• Breaking change: Input.blink_timer made private (renamed to Input._blink_timer) #3498
• Breaking change: Input.cursor_blink reactive updated to not run on mount (now init=False) #3498
• Breaking change: AwaitTabbedContent class removed #3498
• Breaking change: Tabs.remove_tab now returns an AwaitComplete instead of an AwaitRemove #3498
• Breaking change: Tabs.clear now returns an AwaitComplete instead of an AwaitRemove #3498
• TabbedContent.add_pane now returns an AwaitComplete instead of an AwaitTabbedContent #3498
• TabbedContent.remove_pane now returns an AwaitComplete instead of an AwaitTabbedContent #3498
• TabbedContent.clear_pane now returns an AwaitComplete instead of an AwaitTabbedContent #3498
• Tabs.add_tab now returns an AwaitComplete instead of an AwaitMount #3498
• DirectoryTree.reload now returns an AwaitComplete, which may be awaited to ensure the node has finished being processed by the internal queue #3498
• Tabs.remove_tab now returns an AwaitComplete, which may be awaited to ensure the tab is unmounted and internal state is updated #3498
• App.switch_mode now returns an AwaitMount, which may be awaited to ensure the screen is mounted #3498
• Buttons will now display multiple lines, and have auto height #3539
• DataTable now has a max-height of 100vh rather than 100%, which doesn't work with auto
• Breaking change: empty rules now result in an error #3566
• Improved startup time by caching CSS parsing #3575
• Workers are now created/run in a thread-safe way #3586