Drop support for python 3.10. Reasons:

* typings in py3.11 are way simpler (no List, Dict, etc)
* when this get to 1.0, python 3.12 will be probably released

.github/workflows/python-package.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.10", "3.11"]
+        python-version: ["3.11"]
 
     steps:
     - uses: actions/checkout@v3

py2mojo/converters/assignment.py

@@ -1,13 +1,13 @@
 import ast
 from functools import partial
-from typing import Iterable, List
+from typing import Iterable
 
 from tokenize_rt import Token
 
 from ..helpers import ast_to_offset, get_annotation_type, find_token, find_token_by_name, get_mojo_type
 
 
-def _replace_assignment(tokens: List[Token], i: int, level: int, new_type: str) -> None:
+def _replace_assignment(tokens: list[Token], i: int, level: int, new_type: str) -> None:
     tokens.insert(i, Token(name='NAME', src='var '))
     ann_idx = find_token(tokens, i, ':')
     type_idx = find_token_by_name(tokens, ann_idx, name='NAME')

py2mojo/converters/functiondef.py

@@ -1,6 +1,6 @@
 import ast
 from functools import partial
-from typing import Iterable, Optional
+from typing import Iterable
 
 from tokenize_rt import Token
 
@@ -15,7 +15,7 @@
 
 
 def _replace_annotation(
-    tokens: list, i: int, level: int, end_offset: int, new_type: str, ann_offset: Optional[int] = None
+    tokens: list, i: int, level: int, end_offset: int, new_type: str, ann_offset: int | None = None
 ) -> None:
     if ann_offset:
         ann_idx = find_token_after_offset(tokens, i, ann_offset)

py2mojo/helpers.py

@@ -1,15 +1,14 @@
 import ast
 import re
-from typing import List, Union
 
 from tokenize_rt import UNIMPORTANT_WS, Offset, Token
 
 
-def ast_to_offset(node: Union[ast.expr, ast.stmt]) -> Offset:
+def ast_to_offset(node: ast.expr | ast.stmt) -> Offset:
     return Offset(node.lineno, node.col_offset)
 
 
-def find_token(tokens: List[Token], i: int, src: str) -> int:
+def find_token(tokens: list[Token], i: int, src: str) -> int:
     """Find the index of the token with the given src."""
     try:
         while tokens[i].src != src:
@@ -19,7 +18,7 @@ def find_token(tokens: List[Token], i: int, src: str) -> int:
     return i
 
 
-def find_token_by_name(tokens: List[Token], i: int, name: str) -> int:
+def find_token_by_name(tokens: list[Token], i: int, name: str) -> int:
     """Find the index of the token with the given name."""
     try:
         while tokens[i].name != name:
@@ -29,7 +28,7 @@ def find_token_by_name(tokens: List[Token], i: int, name: str) -> int:
     return i
 
 
-def find_token_after_offset(tokens: List[Token], i: int, offset: int) -> int:
+def find_token_after_offset(tokens: list[Token], i: int, offset: int) -> int:
     """Find the index of the token after the given offset."""
     try:
         while tokens[i].utf8_byte_offset < offset:
@@ -39,7 +38,7 @@ def find_token_after_offset(tokens: List[Token], i: int, offset: int) -> int:
     return i
 
 
-def fixup_dedent_tokens(tokens: List[Token]) -> None:
+def fixup_dedent_tokens(tokens: list[Token]) -> None:
     # copied from pyupgrade
     """For whatever reason the DEDENT / UNIMPORTANT_WS tokens are misordered
     | if True:

py2mojo/main.py

@@ -6,15 +6,15 @@
 import sys
 import tokenize
 from collections import defaultdict
-from typing import Callable, List, Sequence
+from typing import Callable, Sequence
 
 from tokenize_rt import Token, reversed_enumerate, src_to_tokens, tokens_to_src
 
 from .converters import convert_assignment, convert_functiondef, convert_classdef
 from .helpers import fixup_dedent_tokens
 
 
-TokenFunc = Callable[[List[Token], int], None]
+TokenFunc = Callable[[list[Token], int], None]
 
 
 def get_converters(klass: type) -> list[TokenFunc]:

pyproject.toml

@@ -24,7 +24,6 @@ classifiers = [
   "License :: OSI Approved :: MIT License",
 
   "Programming Language :: Python :: 3",
-  "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3 :: Only",
 ]