refactor(typing): Use typing.Literal from python 3.8

Author: tony

src/tmuxp/cli/__init__.py

@@ -35,13 +35,13 @@
 logger = logging.getLogger(__name__)
 
 if t.TYPE_CHECKING:
-    from typing_extensions import Literal, TypeAlias
+    from typing_extensions import TypeAlias
 
-    CLIVerbosity: TypeAlias = Literal["DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"]
-    CLISubparserName: TypeAlias = Literal[
+    CLIVerbosity: TypeAlias = t.Literal["DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"]
+    CLISubparserName: TypeAlias = t.Literal[
         "ls", "load", "convert", "edit", "import", "shell", "debug-info"
     ]
-    CLIImportSubparserName: TypeAlias = Literal["teamocil", "tmuxinator"]
+    CLIImportSubparserName: TypeAlias = t.Literal["teamocil", "tmuxinator"]
 
 
 def create_parser() -> argparse.ArgumentParser:

src/tmuxp/cli/convert.py

@@ -10,9 +10,7 @@
 from .utils import prompt_yes_no
 
 if t.TYPE_CHECKING:
-    from typing_extensions import Literal
-
-    AllowedFileTypes = Literal["json", "yaml"]
+    AllowedFileTypes = t.Literal["json", "yaml"]
 
 
 def create_convert_subparser(

src/tmuxp/cli/freeze.py

@@ -15,9 +15,9 @@
 from .utils import prompt, prompt_choices, prompt_yes_no
 
 if t.TYPE_CHECKING:
-    from typing_extensions import Literal, TypeAlias, TypeGuard
+    from typing_extensions import TypeAlias, TypeGuard
 
-    CLIOutputFormatLiteral: TypeAlias = Literal["yaml", "json"]
+    CLIOutputFormatLiteral: TypeAlias = t.Literal["yaml", "json"]
 
 
 class CLIFreezeNamespace(argparse.Namespace):

src/tmuxp/cli/load.py

@@ -26,9 +26,9 @@
 from .utils import prompt_choices, prompt_yes_no, style, tmuxp_echo
 
 if t.TYPE_CHECKING:
-    from typing_extensions import Literal, NotRequired, TypeAlias, TypedDict
+    from typing_extensions import NotRequired, TypeAlias, TypedDict
 
-    CLIColorsLiteral: TypeAlias = Literal[56, 88]
+    CLIColorsLiteral: TypeAlias = t.Literal[56, 88]
 
     class OptionOverrides(TypedDict):
         detached: NotRequired[bool]

src/tmuxp/cli/shell.py

@@ -9,10 +9,10 @@
 from .._compat import PY3, PYMINOR
 
 if t.TYPE_CHECKING:
-    from typing_extensions import Literal, TypeAlias
+    from typing_extensions import TypeAlias
 
-    CLIColorsLiteral: TypeAlias = Literal[56, 88]
-    CLIShellLiteral: TypeAlias = Literal[
+    CLIColorsLiteral: TypeAlias = t.Literal[56, 88]
+    CLIShellLiteral: TypeAlias = t.Literal[
         "best", "pdb", "code", "ptipython", "ptpython", "ipython", "bpython"
     ]
 

src/tmuxp/config_reader.py

@@ -5,9 +5,9 @@
 import yaml
 
 if t.TYPE_CHECKING:
-    from typing_extensions import Literal, TypeAlias
+    from typing_extensions import TypeAlias
 
-    FormatLiteral = Literal["json", "yaml"]
+    FormatLiteral = t.Literal["json", "yaml"]
 
     RawConfigData: TypeAlias = t.Dict[t.Any, t.Any]
 

src/tmuxp/shell.py

@@ -12,9 +12,9 @@
 logger = logging.getLogger(__name__)
 
 if t.TYPE_CHECKING:
-    from typing_extensions import Literal, TypeAlias
+    from typing_extensions import TypeAlias
 
-    CLIShellLiteral: TypeAlias = Literal[
+    CLIShellLiteral: TypeAlias = t.Literal[
         "best", "pdb", "code", "ptipython", "ptpython", "ipython", "bpython"
     ]
 

src/tmuxp/workspace/finders.py

@@ -12,9 +12,9 @@
 logger = logging.getLogger(__name__)
 
 if t.TYPE_CHECKING:
-    from typing_extensions import Literal, TypeAlias
+    from typing_extensions import TypeAlias
 
-    ValidExtensions: TypeAlias = Literal[".yml", ".yaml", ".json"]
+    ValidExtensions: TypeAlias = t.Literal[".yml", ".yaml", ".json"]
 
 
 def is_workspace_file(