Drop support for python 3.8, declare support for 3.13 (#301)

* Drop support for python 3.8, declare support for 3.13

* run `pyupgrade --py39-plus` on the codebase

* Remove unused import

Author: youtux

.github/workflows/test-python.yml

@@ -32,12 +32,12 @@ jobs:
           # - windows-latest
           - macos-13
         python-version:
+          - '3.13'
           - '3.12'
           - '3.11'
           - '3.10'
           - '3.9'
-          - '3.8'
-          - 'pypy-3.8'
+          - 'pypy-3.9'
 
     steps:
       - uses: actions/checkout@v4

CHANGELOG.md

@@ -23,7 +23,7 @@ This document is formatted according to the principles of [Keep A CHANGELOG](htt
 - [.NET] Update System.Text.Json to 6.0.10
 
 ### Removed
-- [Python] Drop compatibility for python 2. Supported python versions are 3.8, 3.9, 3.10, 3.12
+- [Python] Drop compatibility for python 2 and python 3.8. Supported python versions: 3.9, 3.10, 3.11, 3.12, 3.13
 - [Python] Removed installation of `gherkin` script. It was used for internal acceptance tests only.
 
 

python/gherkin/ast_builder.py

@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from typing import TypedDict, cast, TypeVar, Union, List
+from typing import TypedDict, cast, TypeVar, Union
 
 from .ast_node import AstNode
 from .errors import AstBuilderException
@@ -140,7 +140,7 @@ def get_description(node: AstNode) -> str:
 
     @staticmethod
     def get_steps(node: AstNode) -> list[Step]:
-        return cast(List[Step], node.get_items("Step"))
+        return cast(list[Step], node.get_items("Step"))
 
     def transform_node(
         self, node: AstNode
@@ -247,7 +247,7 @@ def transform_node(
             examples_line = examples_node.get_token("ExamplesLine")
             description = self.get_description(examples_node)
             examples_table_rows = cast(
-                List[TableRow], examples_node.get_single("ExamplesTable")
+                list[TableRow], examples_node.get_single("ExamplesTable")
             )
             table_header = examples_table_rows[0] if examples_table_rows else None
             table_body = examples_table_rows[1:] if examples_table_rows else []

python/gherkin/dialect.py

@@ -2,7 +2,7 @@
 
 import os
 import json
-from typing import TypedDict, List
+from typing import TypedDict
 
 from typing_extensions import Self
 
@@ -14,17 +14,17 @@
 DialectSpec = TypedDict(
     "DialectSpec",
     {
-        "and": List[str],
-        "background": List[str],
-        "but": List[str],
-        "examples": List[str],
-        "feature": List[str],
-        "given": List[str],
-        "rule": List[str],
-        "scenario": List[str],
-        "scenarioOutline": List[str],
-        "then": List[str],
-        "when": List[str],
+        "and": list[str],
+        "background": list[str],
+        "but": list[str],
+        "examples": list[str],
+        "feature": list[str],
+        "given": list[str],
+        "rule": list[str],
+        "scenario": list[str],
+        "scenarioOutline": list[str],
+        "then": list[str],
+        "when": list[str],
     },
 )
 

python/pyproject.toml

@@ -48,4 +48,4 @@ packages = ["gherkin"]
 force-exclude = """(
     (python/)?gherkin/parser.py
 )"""
-target-version = ["py38", "py39", "py310", "py311", "py312", "py313"]
+target-version = ["py39", "py310", "py311", "py312", "py313"]

python/test/count_symbols_test.py

@@ -1,6 +1,3 @@
-# coding=utf-8
-
-
 def test_count_length_of_astral_point_symbols_correctly():
     string = "\U0001f63b"
     assert 1 == len(string)

python/test/gherkin_test.py

@@ -1,4 +1,3 @@
-# coding=utf-8
 from gherkin.token_scanner import TokenScanner
 from gherkin.token_matcher import TokenMatcher
 from gherkin.parser import Parser

python/test/pickles_test/compiler_test.py

@@ -1,4 +1,3 @@
-# coding=utf-8
 import json
 import textwrap
 

python/tox.ini

@@ -13,7 +13,7 @@
 # ============================================================================
 
 [tox]
-envlist = py312, py311, py310, py39, py38
+envlist = py313, py312, py311, py310, py39
 
 # -----------------------------------------------------------------------------
 # TEST ENVIRONMENTS: