Support py314 (#78)

* Support py314

* ruff

* da fix

Author: almarklein

.github/workflows/ci.yml

@@ -1,10 +1,15 @@
 name: CI
 
 on:
+  workflow_dispatch:
   push:
-    branches: [ main ]
+    branches:
+      - main
+    tags:
+      - "v*.*.*"
   pull_request:
-    branches: [ main ]
+    branches:
+      - main
 
 
 jobs:
@@ -15,15 +20,15 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Set up Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
-        python-version: 3.12
+        python-version: 3.14
     - name: Set up Node
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@v6
       with:
-          node-version: '18'
+          node-version: '24'
     - name: Install dependencies
       run: |
           python -m pip install --upgrade pip
@@ -41,11 +46,11 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Set up Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
-        python-version: 3.13
+        python-version: 3.14
     - name: Install dev dependencies
       run: |
         python -m pip install --upgrade pip
@@ -81,21 +86,24 @@ jobs:
           - name: Linux py 3.13
             os: ubuntu-latest
             pyversion: '3.13'
+          - name: Linux py 3.14
+            os: ubuntu-latest
+            pyversion: '3.14'
           #
           - name: Linux pypy
             os: ubuntu-latest
             pyversion: 'pypy3.9'
           - name: Windows
             os: windows-latest
-            pyversion: '3.13'
+            pyversion: '3.14'
           - name: MacOS
             os: macos-latest
-            pyversion: '3.13'
+            pyversion: '3.14'
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Set up Python ${{ matrix.pyversion }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.pyversion }}
       - name: Install dependencies for unit tests

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2015-2025, Almar Klein
+Copyright (c) 2015-2026, Almar Klein
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without

docs/conf.py

@@ -58,7 +58,7 @@
 
 # General information about the project.
 project = "PScript"
-copyright = "2015-2025, Almar Klein"
+copyright = "2015-2026, Almar Klein"
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.

pscript/commonast.py

@@ -29,6 +29,14 @@
 docheck = "pytest" in sys.modules
 
 
+# For older Pythons. Since some of these classes are deprecated or removed in later Python versions, we play it safe.
+old_index_types = tuple(
+    getattr(ast, x)
+    for x in ("Slice", "Index", "ExtSlice", "Ellipsis")
+    if getattr(ast, x, None) is not None
+)
+
+
 def parse(code, comments=False):
     """Parse Python code to produce a common AST tree.
 
@@ -1032,7 +1040,7 @@ def _convert_Subscript(self, n):
 
     def _convert_index_like(self, n):
         c = self._convert
-        if isinstance(n, (ast.Slice, ast.Index, ast.ExtSlice, ast.Ellipsis)):
+        if isinstance(n, old_index_types):
             return c(n)  # Python < 3.8 (and also 3.8 on Windows?)
         elif isinstance(n, ast.Tuple):
             assert isinstance(n, ast.Tuple)

pscript/parser0.py

@@ -317,7 +317,7 @@ def push_stack(self, type, name):
     def pop_stack(self):
         """Pop the current stack and return the namespace."""
         # Pop
-        nstype, nsname, ns = self._stack.pop(-1)
+        _nstype, _nsname, ns = self._stack.pop(-1)
         self.vars.leak_stack(ns)
         return ns
 
@@ -337,7 +337,7 @@ def get_declarations(self, ns):
 
     def with_prefix(self, name, new=False):
         """Add class prefix to a variable name if necessary."""
-        nstype, nsname, ns = self._stack[-1]
+        nstype, nsname, _ns = self._stack[-1]
         if nstype == "class":
             if name.startswith("__") and not name.endswith("__"):
                 name = "_" + nsname + name  # Double underscore name mangling
@@ -362,7 +362,7 @@ def dummy(self, name=""):
         return name
 
     def _handle_std_deps(self, code):
-        nargs, function_deps, method_deps = stdlib.get_std_info(code)
+        _nargs, function_deps, method_deps = stdlib.get_std_info(code)
         for dep in function_deps:
             self.use_std_function(dep, [])
         for dep in method_deps:

pscript/parser2.py

@@ -1177,7 +1177,7 @@ def function_super(self, node):
 
         # Find the class of this function. Using this._base_class would work
         # in simple situations, but not when there's two levels of super().
-        nstype1, nsname1, _ = self._stack[-1]
+        nstype1, _nsname1, _ = self._stack[-1]
         nstype2, nsname2, _ = self._stack[-2]
         if not (nstype1 == "function" and nstype2 == "class"):
             raise JSError("can only use super() inside a method.")

pyproject.toml

@@ -16,7 +16,7 @@ readme = "README.md"
 license = { file = "LICENSE" }
 authors = [{ name = "Almar Klein" }]
 keywords = ["Python", "JavaScript", "compiler", "transpiler", "parser"]
-requires-python = ">= 3.6"
+requires-python = ">= 3.8"
 dependencies = []
 [project.optional-dependencies]
 lint = ["ruff"]

tests/test_parser0.py

@@ -1,5 +1,3 @@
-# ruff: noqa: F841
-
 from pscript.testing import run_tests_if_main
 
 from pscript.parser0 import unify