remove _typing.py

examples/five_by_five.py

@@ -1,7 +1,7 @@
 """Simple version of 5x5, developed for/with Textual."""
 
 from pathlib import Path
-from typing import TYPE_CHECKING, cast
+from typing_extensions import TYPE_CHECKING, cast
 
 from rich.markdown import Markdown
 
@@ -15,7 +15,7 @@ from textual.widget import Widget
 from textual.widgets import Button, Footer, Label
 
 if TYPE_CHECKING:
-    from typing import Final
+    from typing_extensions import Final
 
 
 class Help(Screen):

src/textual/__init__.py

@@ -4,14 +4,14 @@ import inspect
 
 import rich.repr
 from rich.console import RenderableType
-from typing import TYPE_CHECKING
+from typing import Callable, TYPE_CHECKING
 
 from ._context import active_app
 from ._log import LogGroup, LogVerbosity
 
 
 if TYPE_CHECKING:
-    from typing import Callable, TypeAlias
+    from typing_extensions import TypeAlias
 
 __all__ = ["log", "panic", "__version__"]  # type: ignore
 

src/textual/_animator.py

@@ -5,13 +5,20 @@ import sys
 from abc import ABC, abstractmethod
 from dataclasses import dataclass
 from functools import partial
-from typing import TYPE_CHECKING, Any, Callable, TypeVar
+
+from typing import Callable
+from typing_extensions import (
+    TYPE_CHECKING,
+    Any,
+    Protocol,
+    TypeVar,
+    runtime_checkable,
+)
 
 from . import _clock
 from ._callback import invoke
 from ._easing import DEFAULT_EASING, EASING
 from ._types import CallbackType
-from ._typing import Protocol, runtime_checkable
 from .timer import Timer
 
 if TYPE_CHECKING:

src/textual/_asyncio.py

@@ -16,7 +16,7 @@ if sys.version_info >= (3, 8):
 else:
     import asyncio
     from asyncio import create_task as _create_task
-    from typing import Awaitable
+    from typing_extensions import Awaitable
 
     def create_task(coroutine: Awaitable, *, name: str | None = None) -> asyncio.Task:
         """Schedule the execution of a coroutine object in a spawn task."""

src/textual/_border.py

@@ -1,7 +1,8 @@
 from __future__ import annotations
 
 from functools import lru_cache
-from typing import cast, Tuple, TYPE_CHECKING, Union
+from typing import cast, Tuple, Union
+from typing import TYPE_CHECKING
 
 from rich.segment import Segment
 from rich.style import Style
@@ -10,7 +11,7 @@ from .color import Color
 from .css.types import EdgeStyle, EdgeType
 
 if TYPE_CHECKING:
-    from typing import TypeAlias
+    from typing_extensions import TypeAlias
 
 INNER = 1
 OUTER = 2

src/textual/_compositor.py

@@ -31,7 +31,7 @@ from .geometry import NULL_OFFSET, Offset, Region, Size
 
 if TYPE_CHECKING:
     from .widget import Widget
-    from typing import TypeAlias
+    from typing_extensions import TypeAlias
 
 
 class ReflowResult(NamedTuple):

src/textual/_layout.py

@@ -6,7 +6,7 @@ from typing import ClassVar, NamedTuple, TYPE_CHECKING
 from .geometry import Region, Size, Spacing
 
 if TYPE_CHECKING:
-    from typing import TypeAlias
+    from typing_extensions import TypeAlias
     from .widget import Widget
 
 ArrangeResult: TypeAlias = "tuple[list[WidgetPlacement], set[Widget]]"

src/textual/_layout_resolve.py

@@ -4,7 +4,7 @@ from dataclasses import dataclass
 from fractions import Fraction
 from typing import Sequence, cast
 
-from ._typing import Protocol
+from typing_extensions import Protocol
 
 
 class EdgeProtocol(Protocol):

src/textual/_resolve.py

@@ -2,9 +2,10 @@ from __future__ import annotations
 
 from fractions import Fraction
 from itertools import accumulate
-from typing import TYPE_CHECKING, Sequence, cast
+from typing import Sequence, cast, TYPE_CHECKING
+
+from typing_extensions import Literal
 
-from ._typing import Literal
 from .box_model import BoxModel
 from .css.scalar import Scalar
 from .geometry import Size

src/textual/_types.py

@@ -1,8 +1,8 @@
-from typing import Awaitable, Callable, List, TYPE_CHECKING, Union
+from typing import Callable, List, Union
+from typing import Awaitable, TYPE_CHECKING
 
-from rich.segment import Segment
 
-from ._typing import Protocol
+from typing_extensions import Protocol
 
 
 if TYPE_CHECKING:

src/textual/_typing.py

@@ -1,23 +0,0 @@
-import sys
-
-from typing import TYPE_CHECKING
-
-if TYPE_CHECKING:
-    from typing import Literal, Protocol, TypedDict, runtime_checkable
-else:
-    if sys.version_info >= (3, 8):
-        from typing import Literal, Protocol, TypedDict, runtime_checkable
-    else:
-        from typing_extensions import (
-            Literal,
-            Protocol,
-            TypedDict,
-            runtime_checkable,
-        )
-
-__all__ = [
-    "Literal",
-    "Protocol",
-    "runtime_checkable",
-    "TypedDict",
-]

src/textual/app.py

@@ -46,11 +46,11 @@ from ._animator import DEFAULT_EASING, Animatable, Animator, EasingFunction
 from ._ansi_sequences import SYNC_END, SYNC_START
 from ._asyncio import create_task
 from ._callback import invoke
-from ._context import active_app, active_message_pump
+from ._context import active_app
 from ._event_broker import NoHandler, extract_handler_actions
 from ._filter import LineFilter, Monochrome
 from ._path import _make_path_object_relative
-from ._typing import Final
+
 from ._wait import wait_for_idle
 from .actions import SkipAction
 from .await_remove import AwaitRemove
@@ -72,7 +72,7 @@ from .screen import Screen
 from .widget import AwaitMount, Widget
 
 if TYPE_CHECKING:
-    from typing import Coroutine, TypeAlias
+    from typing_extensions import Coroutine, Final, TypeAlias
 
     from .devtools.client import DevtoolsClient
     from .pilot import Pilot

src/textual/binding.py

@@ -8,7 +8,7 @@ import rich.repr
 from .keys import _character_to_key
 
 if TYPE_CHECKING:
-    from typing import TypeAlias
+    from typing_extensions import TypeAlias
 
 BindingType: TypeAlias = "Binding | tuple[str, str, str]"
 

src/textual/css/_help_text.py

@@ -3,10 +3,11 @@ from __future__ import annotations
 from dataclasses import dataclass
 from typing import Iterable, Sequence
 
-from textual._typing import Literal
-from textual.color import ColorParseError
-from textual.css._help_renderables import Example, Bullet, HelpText
-from textual.css.constants import (
+from typing import Literal
+
+from ..color import ColorParseError
+from ._help_renderables import Example, Bullet, HelpText
+from .constants import (
     VALID_BORDER,
     VALID_LAYOUT,
     VALID_ALIGN_HORIZONTAL,

src/textual/css/_style_properties.py

@@ -10,7 +10,14 @@ when setting and getting.
 from __future__ import annotations
 
 from operator import attrgetter
-from typing import TYPE_CHECKING, Generic, Iterable, NamedTuple, TypeVar, cast
+from typing import (
+    TYPE_CHECKING,
+    Generic,
+    Iterable,
+    NamedTuple,
+    TypeVar,
+    cast,
+)
 
 import rich.errors
 import rich.repr

src/textual/css/constants.py

@@ -4,7 +4,7 @@ import typing
 from ..geometry import Spacing
 
 if typing.TYPE_CHECKING:
-    from typing import Final
+    from typing_extensions import Final
     from .types import EdgeType
 
 VALID_VISIBILITY: Final = {"visible", "hidden"}

src/textual/css/styles.py

@@ -4,7 +4,8 @@ from abc import ABC, abstractmethod
 from dataclasses import dataclass, field
 from functools import lru_cache
 from operator import attrgetter
-from typing import TYPE_CHECKING, Any, Iterable, NamedTuple, cast
+from typing import Iterable, cast
+from typing import TYPE_CHECKING, Any, NamedTuple, TypedDict
 
 import rich.repr
 from rich.style import Style
@@ -62,8 +63,6 @@ from .types import (
 )
 
 if TYPE_CHECKING:
-    from typing import TypedDict
-
     from .._layout import Layout
     from ..dom import DOMNode
 

src/textual/css/types.py

@@ -1,9 +1,9 @@
 from __future__ import annotations
 
 from typing import Tuple
+from typing_extensions import Literal
 
 from ..color import Color
-from .._typing import Literal
 
 Edge = Literal["top", "right", "bottom", "left"]
 DockEdge = Literal["top", "right", "bottom", "left", ""]

src/textual/devtools/renderables.py

@@ -5,7 +5,6 @@ from pathlib import Path
 from typing import Iterable
 
 from importlib_metadata import version
-
 from rich.align import Align
 from rich.console import Console, ConsoleOptions, RenderResult
 from rich.markup import escape
@@ -15,8 +14,9 @@ from rich.style import Style
 from rich.styled import Styled
 from rich.table import Table
 from rich.text import Text
+from typing_extensions import Literal
+
 from textual._log import LogGroup
-from textual._typing import Literal
 
 DevConsoleMessageLevel = Literal["info", "warning", "error"]
 

src/textual/dom.py

@@ -40,9 +40,9 @@ if TYPE_CHECKING:
     from .css.query import DOMQuery
     from .screen import Screen
     from .widget import Widget
-    from typing import TypeAlias
+    from typing_extensions import TypeAlias
 
-from ._typing import Literal
+from typing_extensions import Literal
 
 _re_identifier = re.compile(IDENTIFIER)
 

src/textual/features.py

@@ -1,9 +1,9 @@
 from __future__ import annotations
 
-from typing import TYPE_CHECKING, cast
+from typing import TYPE_CHECKING, Literal, cast
 
 if TYPE_CHECKING:
-    from typing import Final, Literal
+    from typing_extensions import Final
 
 FEATURES: Final = {"devtools", "debug", "headless"}
 

src/textual/geometry.py

@@ -20,7 +20,7 @@ from typing import (
 )
 
 if TYPE_CHECKING:
-    from typing import TypeAlias
+    from typing_extensions import TypeAlias
 
 
 SpacingDimensions: TypeAlias = Union[

src/textual/screen.py

@@ -20,7 +20,7 @@ from .renderables.blank import Blank
 from .widget import Widget
 
 if TYPE_CHECKING:
-    from typing import Final
+    from typing_extensions import Final
 
 # Screen updates will be batched so that they don't happen more often than 120 times per second:
 UPDATE_PERIOD: Final[float] = 1 / 120

src/textual/widgets/_button.py

@@ -2,6 +2,7 @@ from __future__ import annotations
 
 from functools import partial
 from typing import cast
+from typing_extensions import Literal
 
 import rich.repr
 from rich.console import RenderableType
@@ -12,7 +13,7 @@ from ..css._error_tools import friendly_list
 from ..message import Message
 from ..reactive import Reactive
 from ..widgets import Static
-from .._typing import Literal
+
 
 ButtonVariant = Literal["default", "primary", "success", "warning", "error"]
 _VALID_BUTTON_VARIANTS = {"default", "primary", "success", "warning", "error"}

src/textual/widgets/_data_table.py

@@ -2,7 +2,8 @@ from __future__ import annotations
 
 from dataclasses import dataclass, field
 from itertools import chain, zip_longest
-from typing import ClassVar, Generic, Iterable, TypeVar, cast
+from typing import Generic, Iterable, cast
+from typing_extensions import ClassVar, TypeVar, Literal
 
 import rich.repr
 from rich.console import RenderableType
@@ -16,7 +17,6 @@ from .. import events, messages
 from .._cache import LRUCache
 from .._segment_tools import line_crop
 from .._types import SegmentLines
-from .._typing import Literal
 from ..binding import Binding, BindingType
 from ..coordinate import Coordinate
 from ..geometry import Region, Size, Spacing, clamp

src/textual/widgets/_list_view.py

@@ -1,7 +1,6 @@
 from __future__ import annotations
 from typing import ClassVar
 
-from textual import events
 from textual.await_remove import AwaitRemove
 from textual.binding import Binding, BindingType
 from textual.containers import Vertical

src/textual/widgets/_placeholder.py

@@ -2,11 +2,13 @@ from __future__ import annotations
 
 from itertools import cycle
 
+from typing_extensions import Literal
+
 from .. import events
 from ..css._error_tools import friendly_list
 from ..reactive import Reactive, reactive
 from ..widget import Widget, RenderResult
-from .._typing import Literal
+
 
 PlaceholderVariant = Literal["default", "size", "text"]
 _VALID_PLACEHOLDER_VARIANTS_ORDERED: list[PlaceholderVariant] = [

src/textual/widgets/_text_log.py

@@ -10,10 +10,10 @@ from rich.protocol import is_renderable
 from rich.segment import Segment
 from rich.text import Text
 
-from ..reactive import var
-from ..geometry import Size, Region
-from ..scroll_view import ScrollView
 from .._cache import LRUCache
+from ..geometry import Region, Size
+from ..reactive import var
+from ..scroll_view import ScrollView
 from ..strip import Strip
 
 

src/textual/widgets/_tree.py

@@ -21,7 +21,7 @@ from ..scroll_view import ScrollView
 from ..strip import Strip
 
 if TYPE_CHECKING:
-    from typing import TypeAlias
+    from typing_extensions import TypeAlias
 
 NodeID = NewType("NodeID", int)
 TreeDataType = TypeVar("TreeDataType")

tests/css/test_stylesheet.py

@@ -1,5 +1,5 @@
 from contextlib import nullcontext as does_not_raise
-from typing import Any
+from typing_extensions import Any
 
 import pytest
 

tests/snapshot_tests/conftest.py

@@ -118,7 +118,6 @@ def pytest_sessionfinish(
     diffs: List[SvgSnapshotDiff] = []
     num_snapshots_passing = 0
     for item in session.items:
-
         # Grab the data our fixture attached to the pytest node
         num_snapshots_passing += int(item.stash.get(TEXTUAL_SNAPSHOT_PASS, False))
         snapshot_svg = item.stash.get(TEXTUAL_SNAPSHOT_SVG_KEY, None)

tests/test_immutable_sequence_view.py

@@ -3,6 +3,7 @@ import pytest
 from typing import Sequence
 from textual._immutable_sequence_view import ImmutableSequenceView
 
+
 def wrap(source: Sequence[int]) -> ImmutableSequenceView[int]:
     """Wrap a sequence of integers inside an immutable sequence view."""
     return ImmutableSequenceView[int](source)