Textualize · graingert · Apr 7, 2025 · Apr 7, 2025 · Apr 7, 2025 · Apr 7, 2025
diff --git a/.github/ISSUE_TEMPLATE/task.md b/.github/ISSUE_TEMPLATE/task.md
@@ -6,5 +6,3 @@ labels: ''
 assignees: ''
 
 ---
-
-
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
@@ -2,7 +2,7 @@
 # See https://pre-commit.com/hooks.html for more hooks
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.3.0
+    rev: v5.0.0
     hooks:
       - id: check-ast  # simply checks whether the files parse as valid python
       - id: check-builtin-literals  # requires literal syntax when initializing empty or zero python builtin types
@@ -15,20 +15,21 @@ repos:
       - id: check-shebang-scripts-are-executable  # ensures that (non-binary) files with a shebang are executable
       - id: check-vcs-permalinks  # ensures that links to vcs websites are permalinks
       - id: end-of-file-fixer  # ensures that a file is either empty, or ends with one newline
+        exclude: '^.*\.svg$'
       - id: mixed-line-ending  # replaces or checks mixed line ending
   - repo: https://github.com/pycqa/isort
-    rev: '5.13.2'
+    rev: '6.0.1'
     hooks:
       - id: isort
         name: isort (python)
         language_version: '3.11'
         args: ['--profile', 'black', '--filter-files']
   - repo: https://github.com/psf/black
-    rev: '24.1.1'
+    rev: '25.1.0'
     hooks:
       - id: black
   - repo: https://github.com/hadialqattan/pycln  # removes unused imports
-    rev: v2.3.0
+    rev: v2.5.0
     hooks:
       - id: pycln
         language_version: '3.11'

diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md
@@ -125,4 +125,4 @@ enforcement ladder](https://github.com/mozilla/diversity).
 
 For answers to common questions about this code of conduct, see the FAQ at
 https://www.contributor-covenant.org/faq. Translations are available at
-https://www.contributor-covenant.org/translations.
+https://www.contributor-covenant.org/translations.
diff --git a/docs/blog/index.md b/docs/blog/index.md
@@ -1,2 +1 @@
 # Textual Blog
-
diff --git a/docs/blog/posts/helo-world.md b/docs/blog/posts/helo-world.md
@@ -16,4 +16,3 @@ Welcome to the first post on the Textual blog.
 I plan on using this as a place to make announcements regarding new releases of Textual, and any other relevant news.
 
 The first piece of news is that we've reorganized this site a little. The Events, Styles, and Widgets references are now under "Reference", and what used to be under "Reference" is now "API" which contains API-level documentation. I hope that's a little clearer than it used to be!
-
diff --git a/docs/blog/posts/release0-24-0.md b/docs/blog/posts/release0-24-0.md
@@ -50,7 +50,7 @@ This was also solved with a new rule called "constrain".
 Applying `constrain` to a widget will keep the widget within the bounds of the screen.
 In the case of `Select`, if you expand the options while at the bottom of the screen, then the overlay will be moved up so that you can see all the options.
 
-These new rules are currently undocumented as they are still subject to change, but you can see them in the [Select](https://github.com/Textualize/textual/blob/main/src/textual/widgets/_select.py#L179) source if you are interested.
+These new rules are currently undocumented as they are still subject to change, but you can see them in the [Select](https://github.com/Textualize/textual/blob/v0.24.0/src/textual/widgets/_select.py#L179-L220) source if you are interested.
 
 In a future release these will be finalized and you can confidently use them in your own projects.
 

diff --git a/docs/blog/posts/release0-6-0.md b/docs/blog/posts/release0-6-0.md
@@ -103,4 +103,3 @@ As always, there are a number of fixes in this release. Mostly related to layout
 ## What's next?
 
 The next release will focus on *pain points* we discovered while in a dog-fooding phase (see the [DevLog](https://textual.textualize.io/blog/category/devlog/) for details on what Textual devs have been building).
-
diff --git a/docs/examples/app/event01.py b/docs/examples/app/event01.py
@@ -1,5 +1,5 @@
-from textual.app import App
 from textual import events
+from textual.app import App
 
 
 class EventApp(App):

diff --git a/docs/examples/app/question01.py b/docs/examples/app/question01.py
@@ -1,5 +1,5 @@
 from textual.app import App, ComposeResult
-from textual.widgets import Label, Button
+from textual.widgets import Button, Label
 
 
 class QuestionApp(App[str]):

diff --git a/docs/examples/app/question03.py b/docs/examples/app/question03.py
@@ -1,5 +1,5 @@
 from textual.app import App, ComposeResult
-from textual.widgets import Label, Button
+from textual.widgets import Button, Label
 
 
 class QuestionApp(App[str]):

diff --git a/docs/examples/guide/actions/actions01.py b/docs/examples/guide/actions/actions01.py
@@ -1,5 +1,5 @@
-from textual.app import App
 from textual import events
+from textual.app import App
 
 
 class ActionsApp(App):

diff --git a/docs/examples/guide/dom2.py b/docs/examples/guide/dom2.py
@@ -1,5 +1,5 @@
 from textual.app import App, ComposeResult
-from textual.widgets import Header, Footer
+from textual.widgets import Footer, Header
 
 
 class ExampleApp(App):

diff --git a/docs/examples/guide/styles/box_sizing01.py b/docs/examples/guide/styles/box_sizing01.py
@@ -1,7 +1,6 @@
 from textual.app import App, ComposeResult
 from textual.widgets import Static
 
-
 TEXT = """I must not fear.
 Fear is the mind-killer.
 Fear is the little-death that brings total obliteration.

diff --git a/docs/examples/guide/styles/dimensions01.py b/docs/examples/guide/styles/dimensions01.py
@@ -1,7 +1,6 @@
 from textual.app import App, ComposeResult
 from textual.widgets import Static
 
-
 TEXT = """I must not fear.
 Fear is the mind-killer.
 Fear is the little-death that brings total obliteration.

diff --git a/docs/examples/guide/styles/dimensions02.py b/docs/examples/guide/styles/dimensions02.py
@@ -1,7 +1,6 @@
 from textual.app import App, ComposeResult
 from textual.widgets import Static
 
-
 TEXT = """I must not fear.
 Fear is the mind-killer.
 Fear is the little-death that brings total obliteration.

diff --git a/docs/examples/guide/styles/dimensions03.py b/docs/examples/guide/styles/dimensions03.py
@@ -1,7 +1,6 @@
 from textual.app import App, ComposeResult
 from textual.widgets import Static
 
-
 TEXT = """I must not fear.
 Fear is the mind-killer.
 Fear is the little-death that brings total obliteration.

diff --git a/docs/examples/guide/styles/dimensions04.py b/docs/examples/guide/styles/dimensions04.py
@@ -1,7 +1,6 @@
 from textual.app import App, ComposeResult
 from textual.widgets import Static
 
-
 TEXT = """I must not fear.
 Fear is the mind-killer.
 Fear is the little-death that brings total obliteration.

diff --git a/docs/examples/guide/styles/margin01.py b/docs/examples/guide/styles/margin01.py
@@ -1,7 +1,6 @@
 from textual.app import App, ComposeResult
 from textual.widgets import Static
 
-
 TEXT = """I must not fear.
 Fear is the mind-killer.
 Fear is the little-death that brings total obliteration.

diff --git a/docs/examples/guide/styles/outline01.py b/docs/examples/guide/styles/outline01.py
@@ -1,7 +1,6 @@
 from textual.app import App, ComposeResult
 from textual.widgets import Static
 
-
 TEXT = """I must not fear.
 Fear is the mind-killer.
 Fear is the little-death that brings total obliteration.

diff --git a/docs/examples/guide/styles/padding01.py b/docs/examples/guide/styles/padding01.py
@@ -1,7 +1,6 @@
 from textual.app import App, ComposeResult
 from textual.widgets import Static
 
-
 TEXT = """I must not fear.
 Fear is the mind-killer.
 Fear is the little-death that brings total obliteration.

diff --git a/docs/examples/guide/styles/padding02.py b/docs/examples/guide/styles/padding02.py
@@ -1,7 +1,6 @@
 from textual.app import App, ComposeResult
 from textual.widgets import Static
 
-
 TEXT = """I must not fear.
 Fear is the mind-killer.
 Fear is the little-death that brings total obliteration.

diff --git a/docs/examples/guide/widgets/checker03.py b/docs/examples/guide/widgets/checker03.py
@@ -1,11 +1,11 @@
 from __future__ import annotations
 
+from rich.segment import Segment
+
 from textual.app import App, ComposeResult
 from textual.geometry import Size
-from textual.strip import Strip
 from textual.scroll_view import ScrollView
-
-from rich.segment import Segment
+from textual.strip import Strip
 
 
 class CheckerBoard(ScrollView):

diff --git a/docs/examples/guide/widgets/checker04.py b/docs/examples/guide/widgets/checker04.py
@@ -1,14 +1,14 @@
 from __future__ import annotations
 
+from rich.segment import Segment
+from rich.style import Style
+
 from textual import events
 from textual.app import App, ComposeResult
 from textual.geometry import Offset, Region, Size
 from textual.reactive import var
-from textual.strip import Strip
 from textual.scroll_view import ScrollView
-
-from rich.segment import Segment
-from rich.style import Style
+from textual.strip import Strip
 
 
 class CheckerBoard(ScrollView):

diff --git a/docs/guide/styles.md b/docs/guide/styles.md
@@ -125,7 +125,7 @@ Together these styles compose the widget's *box model*. The following diagram sh
 
 Setting the width restricts the number of columns used by a widget, and setting the height restricts the number of rows. Let's look at an example which sets both dimensions.
 
-```python title="dimensions01.py" hl_lines="21-22"
+```python title="dimensions01.py" hl_lines="20-21"
 --8<-- "docs/examples/guide/styles/dimensions01.py"
 ```
 
@@ -142,7 +142,7 @@ In practice, we generally want the size of a widget to adapt to its content, whi
 
 Let's set the height to auto and see what happens.
 
-```python title="dimensions02.py" hl_lines="22"
+```python title="dimensions02.py" hl_lines="21"
 --8<-- "docs/examples/guide/styles/dimensions02.py"
 ```
 
@@ -163,7 +163,7 @@ Textual offers a few different *units* which allow you to specify dimensions rel
 
 The following example demonstrates applying percentage units:
 
-```python title="dimensions03.py" hl_lines="21-22"
+```python title="dimensions03.py" hl_lines="20-21"
 --8<-- "docs/examples/guide/styles/dimensions03.py"
 ```
 
@@ -193,7 +193,7 @@ When specifying `fr` units for a given dimension, Textual will divide the availa
 
 Let's look at an example. We will create two widgets, one with a height of `"2fr"` and one with a height of `"1fr"`.
 
-```python title="dimensions04.py" hl_lines="24-25"
+```python title="dimensions04.py" hl_lines="23-24"
 --8<-- "docs/examples/guide/styles/dimensions04.py"
 ```
 
@@ -219,7 +219,7 @@ The following styles set minimum and maximum sizes and can accept any of the val
 
 Padding adds space around your content which can aid readability. Setting [padding](../styles/padding.md) to an integer will add that number additional rows and columns around the content area. The following example sets padding to 2:
 
-```python title="padding01.py" hl_lines="22"
+```python title="padding01.py" hl_lines="21"
 --8<-- "docs/examples/guide/styles/padding01.py"
 ```
 
@@ -230,7 +230,7 @@ Notice the additional space around the text:
 
 You can also set padding to a tuple of *two* integers which will apply padding to the top/bottom and left/right edges. The following example sets padding to `(2, 4)` which adds two rows to the top and bottom of the widget, and 4 columns to the left and right of the widget.
 
-```python title="padding02.py" hl_lines="22"
+```python title="padding02.py" hl_lines="21"
 --8<-- "docs/examples/guide/styles/padding02.py"
 ```
 
@@ -289,7 +289,7 @@ Note the addition of the titles and their alignments:
 
 [Outline](../styles/outline.md) is similar to border and is set in the same way. The difference is that outline will not change the size of the widget, and may overlap the content area. The following example sets an outline on a widget:
 
-```python title="outline01.py" hl_lines="22"
+```python title="outline01.py" hl_lines="21"
 --8<-- "docs/examples/guide/styles/outline01.py"
 ```
 
@@ -325,7 +325,7 @@ The following example creates two widgets with a width of 30, a height of 6, and
 The first widget has the default `box_sizing` (`"border-box"`).
 The second widget sets `box_sizing` to `"content-box"`.
 
-```python title="box_sizing01.py" hl_lines="32"
+```python title="box_sizing01.py" hl_lines="31"
 --8<-- "docs/examples/guide/styles/box_sizing01.py"
 ```
 
@@ -340,7 +340,7 @@ Margin is similar to padding in that it adds space, but unlike padding, [margin]
 
 The following example creates two widgets, each with a margin of 2.
 
-```python title="margin01.py" hl_lines="26-27"
+```python title="margin01.py" hl_lines="25-26"
 --8<-- "docs/examples/guide/styles/margin01.py"
 ```
 

diff --git a/docs/guide/widgets.md b/docs/guide/widgets.md
@@ -511,7 +511,7 @@ Let's add scrolling to our checkerboard example. A standard 8 x 8 board isn't su
 
 === "checker03.py"
 
-    ```python title="checker03.py" hl_lines="4 26-30 35-36 52-53"
+    ```python title="checker03.py" hl_lines="6 26-30 35-36 52-53"
     --8<-- "docs/examples/guide/widgets/checker03.py"
     ```
 

diff --git a/examples/json_tree.py b/examples/json_tree.py
@@ -4,7 +4,7 @@
 from rich.text import Text
 
 from textual.app import App, ComposeResult
-from textual.widgets import Header, Footer, Tree
+from textual.widgets import Footer, Header, Tree
 from textual.widgets.tree import TreeNode
 
 

diff --git a/poetry.lock b/poetry.lock
diff --git a/pyproject.toml b/pyproject.toml
@@ -48,7 +48,7 @@ python = "^3.8.1"
 markdown-it-py = { extras = ["plugins", "linkify"], version = ">=2.1.0" }
 rich = ">=13.3.3"
 #rich = {path="../rich", develop=true}
-typing-extensions = "^4.4.0"
+typing-extensions = "^4.12.0"
 platformdirs = ">=3.6.0,<5"
 
 # start of [syntax] extras
@@ -113,6 +113,7 @@ textual-dev = "^1.7.0"
 types-setuptools = "^67.2.0.1"
 isort = "^5.13.2"
 pytest-textual-snapshot = "^1.0.0"
+tree-sitter = { version = ">=0.23.0", python = ">=3.9" }
 
 [tool.pytest.ini_options]
 asyncio_mode = "auto"

diff --git a/src/textual/_debug.py b/src/textual/_debug.py
@@ -20,7 +20,7 @@ def get_caller_file_and_line() -> str | None:
 
     try:
         current_frame = inspect.currentframe()
-        caller_frame = inspect.getframeinfo(current_frame.f_back.f_back)
+        caller_frame = inspect.getframeinfo(current_frame.f_back.f_back)  # type: ignore[union-attr,arg-type]
         return f"{caller_frame.filename}:{caller_frame.lineno}"
     except Exception:
         return None
diff --git a/src/textual/_tree_sitter.py b/src/textual/_tree_sitter.py
@@ -1,9 +1,9 @@
 from __future__ import annotations
+
 from importlib import import_module
 
 from textual import log
 
-
 try:
     from tree_sitter import Language
Original file line number	Diff line number	Diff line change
Expand Up		@@ -16,4 +16,3 @@ Welcome to the first post on the Textual blog.
		I plan on using this as a place to make announcements regarding new releases of Textual, and any other relevant news.

		The first piece of news is that we've reorganized this site a little. The Events, Styles, and Widgets references are now under "Reference", and what used to be under "Reference" is now "API" which contains API-level documentation. I hope that's a little clearer than it used to be!
Original file line number	Diff line number	Diff line change
Expand Up		@@ -103,4 +103,3 @@ As always, there are a number of fixes in this release. Mostly related to layout
		## What's next?

		The next release will focus on pain points we discovered while in a dog-fooding phase (see the [DevLog](https://textual.textualize.io/blog/category/devlog/) for details on what Textual devs have been building).