fix: remove typing_extensions dependencies

Fix #299

Author: seanwu1105

python/poetry.lock

@@ -10,7 +10,6 @@ pyside6 = "^6.4.2"
 pyqt6 = "^6.4.0"
 pyside2 = { version = "^5.15.2.1", markers = "sys_platform != 'darwin' or platform_machine != 'arm64'" }
 pyqt5 = { version = "^5.15.7", markers = "sys_platform != 'darwin' or platform_machine != 'arm64'" }
-typing-extensions = "^4.5.0"
 
 [tool.poetry.group.dev.dependencies]
 pylint = "^2.14.5"

python/pyproject.toml

@@ -3,13 +3,9 @@
 import sys
 import typing
 
-import typing_extensions  # Remove after dropping Python 3.7
-
 QT_DEPENDENCY_ARG = "vscode_extension_qt_dependency"
 
-SupportedQtDependencies = typing.Optional[
-    typing_extensions.Literal["PySide6", "PySide2", "PyQt6", "PyQt5"]
-]
+SupportedQtDependencies = typing.Optional[str]
 
 
 def is_installed(name: str) -> bool:

python/scripts/utils/__init__.py

@@ -3,8 +3,6 @@
 import subprocess
 import typing
 
-import typing_extensions
-
 from scripts.utils import QT_DEPENDENCY_ARG, SupportedQtDependencies
 
 TESTS_DIR = os.path.dirname(os.path.realpath(__file__))
@@ -13,9 +11,7 @@
 
 ASSETS_DIR = os.path.join(TESTS_DIR, "assets")
 
-SupportedScripts = typing_extensions.Literal[
-    "designer", "qml", "qmlls", "rcc", "uic", "lupdate", "linguist", "lrelease"
-]
+SupportedScripts = typing.Type[str]
 
 
 def filter_available_qt_dependencies(