Remove typing-extensions as a runtime dependency

CHANGELOG.md

@@ -5,10 +5,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## Unreleased
+## [Unreleased]
 
 ### Changed
 
+- Removed `typing_extensions` from runtime dependencies https://github.com/Textualize/rich/pull/3763
 - Live objects (including Progress) may now be nested https://github.com/Textualize/rich/pull/3768
 
 ## [14.0.0] - 2025-03-30

CONTRIBUTORS.md

@@ -67,6 +67,7 @@ The following people have contributed to the development of Rich:
 - [Louis Sautier](https://github.com/sbraz)
 - [Tim Savage](https://github.com/timsavage)
 - [Anthony Shaw](https://github.com/tonybaloney)
+- [Damian Shaw](https://github.com/notatallshaw)
 - [Nicolas Simonds](https://github.com/0xDEC0DE)
 - [Aaron Stephens](https://github.com/aaronst)
 - [Karolina Surma](https://github.com/befeleme)

docs/source/conf.py

@@ -17,14 +17,8 @@
 
 # -- Project information -----------------------------------------------------
 
-import sys
-
 import sphinx_rtd_theme
-
-if sys.version_info >= (3, 8):
-    from importlib.metadata import Distribution
-else:
-    from importlib_metadata import Distribution
+from importlib.metadata import Distribution
 
 html_theme = "sphinx_rtd_theme"
 

examples/top_lite_simulator.py

@@ -1,19 +1,14 @@
 """Lite simulation of the top linux command."""
 import datetime
 import random
-import sys
 import time
 from dataclasses import dataclass
 
 from rich import box
 from rich.console import Console
 from rich.live import Live
 from rich.table import Table
-
-if sys.version_info >= (3, 8):
-    from typing import Literal
-else:
-    from typing_extensions import Literal
+from typing import Literal
 
 
 @dataclass

pyproject.toml

@@ -28,7 +28,6 @@ include = ["rich/py.typed"]
 
 [tool.poetry.dependencies]
 python = ">=3.8.0"
-typing-extensions = { version = ">=4.0.0, <5.0", python = "<3.11" }
 pygments = "^2.13.0"
 ipywidgets = { version = ">=7.5.1,<9", optional = true }
 markdown-it-py = ">=2.2.0"
@@ -44,6 +43,7 @@ pytest-cov = "^3.0.0"
 attrs = "^21.4.0"
 pre-commit = "^2.17.0"
 asv = "^0.5.1"
+typing-extensions = ">=4.0.0, <5.0"
 
 [build-system]
 requires = ["poetry-core>=1.0.0"]

rich/_ratio.py

@@ -1,12 +1,6 @@
-import sys
 from fractions import Fraction
 from math import ceil
-from typing import cast, List, Optional, Sequence
-
-if sys.version_info >= (3, 8):
-    from typing import Protocol
-else:
-    from typing_extensions import Protocol  # pragma: no cover
+from typing import cast, List, Optional, Sequence, Protocol
 
 
 class Edge(Protocol):

rich/align.py

@@ -1,11 +1,5 @@
-import sys
 from itertools import chain
-from typing import TYPE_CHECKING, Iterable, Optional
-
-if sys.version_info >= (3, 8):
-    from typing import Literal
-else:
-    from typing_extensions import Literal  # pragma: no cover
+from typing import TYPE_CHECKING, Iterable, Optional, Literal
 
 from .constrain import Constrain
 from .jupyter import JupyterMixin

rich/box.py

@@ -1,10 +1,4 @@
-import sys
-from typing import TYPE_CHECKING, Iterable, List
-
-if sys.version_info >= (3, 8):
-    from typing import Literal
-else:
-    from typing_extensions import Literal  # pragma: no cover
+from typing import TYPE_CHECKING, Iterable, List, Literal
 
 
 from ._loop import loop_last

rich/console.py

@@ -33,15 +33,7 @@
 )
 
 from rich._null_file import NULL_FILE
-
-if sys.version_info >= (3, 8):
-    from typing import Literal, Protocol, runtime_checkable
-else:
-    from typing_extensions import (
-        Literal,
-        Protocol,
-        runtime_checkable,
-    )  # pragma: no cover
+from typing import Literal, Protocol, runtime_checkable
 
 from . import errors, themes
 from ._emoji_replace import _emoji_replace

rich/control.py

@@ -1,11 +1,5 @@
-import sys
 import time
-from typing import TYPE_CHECKING, Callable, Dict, Iterable, List, Union
-
-if sys.version_info >= (3, 8):
-    from typing import Final
-else:
-    from typing_extensions import Final  # pragma: no cover
+from typing import TYPE_CHECKING, Callable, Dict, Iterable, List, Union, Final
 
 from .segment import ControlCode, ControlType, Segment
 

rich/emoji.py

@@ -1,17 +1,12 @@
 import sys
-from typing import TYPE_CHECKING, Optional, Union
+from typing import TYPE_CHECKING, Optional, Union, Literal
 
 from .jupyter import JupyterMixin
 from .segment import Segment
 from .style import Style
 from ._emoji_codes import EMOJI
 from ._emoji_replace import _emoji_replace
 
-if sys.version_info >= (3, 8):
-    from typing import Literal
-else:
-    from typing_extensions import Literal  # pragma: no cover
-
 
 if TYPE_CHECKING:
     from .console import Console, ConsoleOptions, RenderResult

rich/live_render.py

@@ -1,10 +1,4 @@
-import sys
-from typing import Optional, Tuple
-
-if sys.version_info >= (3, 8):
-    from typing import Literal
-else:
-    from typing_extensions import Literal  # pragma: no cover
+from typing import Optional, Tuple, Literal
 
 
 from ._loop import loop_last

rich/markdown.py

@@ -1,16 +1,11 @@
 from __future__ import annotations
 
 import sys
-from typing import ClassVar, Iterable
+from typing import ClassVar, Iterable, get_args
 
 from markdown_it import MarkdownIt
 from markdown_it.token import Token
 
-if sys.version_info >= (3, 8):
-    from typing import get_args
-else:
-    from typing_extensions import get_args  # pragma: no cover
-
 from rich.table import Table
 
 from . import box

rich/progress.py

@@ -1,5 +1,6 @@
+from __future__ import annotations
+
 import io
-import sys
 import typing
 import warnings
 from abc import ABC, abstractmethod
@@ -14,6 +15,7 @@
 from threading import Event, RLock, Thread
 from types import TracebackType
 from typing import (
+    TYPE_CHECKING,
     Any,
     BinaryIO,
     Callable,
@@ -23,6 +25,7 @@
     Generic,
     Iterable,
     List,
+    Literal,
     NamedTuple,
     NewType,
     Optional,
@@ -34,14 +37,8 @@
     Union,
 )
 
-if sys.version_info >= (3, 8):
-    from typing import Literal
-else:
-    from typing_extensions import Literal  # pragma: no cover
-
-if sys.version_info >= (3, 11):
-    from typing import Self
-else:
+if TYPE_CHECKING:
+    # Can be replaced with `from typing import Self` in Python 3.11+
     from typing_extensions import Self  # pragma: no cover
 
 from . import filesize, get_console

tests/test_syntax.py

@@ -19,11 +19,7 @@
 )
 
 from .render import render
-
-if sys.version_info >= (3, 8):
-    from importlib.metadata import Distribution
-else:
-    from importlib_metadata import Distribution
+from importlib.metadata import Distribution
 
 PYGMENTS_VERSION = Distribution.from_name("pygments").version
 OLD_PYGMENTS = PYGMENTS_VERSION == "2.13.0"