Add support for Python 3.14, fix ast.Str error (#242)

* Add Python 3.14 to build

* Replace usage of ast.Str with ast.Constant

* Update CHANGELOG

Author: jamescooke

.github/workflows/build.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
 
     steps:
 

CHANGELOG.rst

@@ -25,6 +25,19 @@ Unreleased_
 See also `latest documentation
 <https://flake8-aaa.readthedocs.io/en/latest/#__unreleased_marker__>`_.
 
+Added
+.....
+
+* 🎈 Explicit support added for Python 3.14. `PR 242
+  <https://github.com/jamescooke/flake8-aaa/pull/242>`_.
+
+Changed
+.......
+
+* ⛏️ Fixes usage of ``ast.Str``, replaced with ``ast.Constant``. This was
+  deprecated in Python 3.8. `Issue 239
+  <https://github.com/jamescooke/flake8-aaa/issues/239>`_.
+
 0.17.1_ - 2025/10/24
 --------------------
 

setup.py

@@ -51,6 +51,7 @@ def readme():
         'Programming Language :: Python :: 3.11',
         'Programming Language :: Python :: 3.12',
         'Programming Language :: Python :: 3.13',
+        'Programming Language :: Python :: 3.14',
         'Programming Language :: Python',
     ],
     zip_safe=False,

src/flake8_aaa/helpers.py

@@ -115,7 +115,7 @@ def node_is_noop(node: ast.AST) -> bool:
     """
     Node does nothing.
     """
-    return isinstance(node.value, ast.Str) if isinstance(node, ast.Expr) else isinstance(node, ast.Pass)
+    return isinstance(node.value, ast.Constant) if isinstance(node, ast.Expr) else isinstance(node, ast.Pass)
 
 
 def function_is_noop(function_node: ast.FunctionDef) -> bool:
@@ -155,7 +155,7 @@ def filter_arrange_nodes(nodes: List[ast.stmt], act_block_first_line_number: int
     """
     return [
         node for node in nodes if node.lineno < act_block_first_line_number and not isinstance(node, ast.Pass)
-        and not (isinstance(node, ast.Expr) and isinstance(node.value, ast.Str))
+        and not (isinstance(node, ast.Expr) and isinstance(node.value, ast.Constant))
     ]
 
 

tox.ini

@@ -29,9 +29,9 @@
 
 [tox]
 envlist =
-    py3{8,9,10,11,12,13}-lint_{code,examples}
-    py3{8,9,10,11,12,13}-test_{code,examples}
-    py3{8,9,10,11,12,13}-meta_plugin_{dogfood,default,option,config,black}
+    py3{8,9,10,11,12,13,14}-lint_{code,examples}
+    py3{8,9,10,11,12,13,14}-test_{code,examples}
+    py3{8,9,10,11,12,13,14}-meta_plugin_{dogfood,default,option,config,black}
     py310-docs
 
 [testenv]
@@ -44,7 +44,7 @@ wheel_build_env = .pkg
 
 # --- LINT: code ---
 # Regular linting of code: flake8, yapf, mypy, etc.
-[testenv:py3{8,9,10,11,12,13}-lint_code]
+[testenv:py3{8,9,10,11,12,13,14}-lint_code]
 description = ⛏️ Regular linting of code: Flake8, yapf, mypy, etc.
 labels =
     lint
@@ -59,7 +59,7 @@ allowlist_externals =
 # --- LINT: examples ---
 # Lint all good and bad examples. Includes linting with vanilla Flake8 and
 # assert tests formatted with Black pass.
-[testenv:py3{8,9,10,11,12,13}-lint_examples]
+[testenv:py3{8,9,10,11,12,13,14}-lint_examples]
 description = ⛏️ Lint examples, run stdlib examples on Pytest
 labels =
     lint
@@ -74,7 +74,7 @@ allowlist_externals =
 
 # --- TEST: code ---
 # Run Pytest on all code
-[testenv:py3{8,9,10,11,12,13}-test_code]
+[testenv:py3{8,9,10,11,12,13,14}-test_code]
 description = 🧰 Test all code
 labels =
     test
@@ -86,7 +86,7 @@ commands =
 
 # --- TEST: Examples ---
 # All stdlib examples executed with vanilla Pytest.
-[testenv:py3{8,9,10,11,12,13}-test_examples]
+[testenv:py3{8,9,10,11,12,13,14}-test_examples]
 description = 🧰 Test stdlib examples
 labels =
     test
@@ -130,7 +130,7 @@ allowlist_externals =
     bash
     diff
 
-[testenv:py3{8,9,10,11,12,13}-meta_plugin_dogfood]
+[testenv:py3{8,9,10,11,12,13,14}-meta_plugin_dogfood]
 # No FLAKE8FLAGS set, so default behaviour
 description = 🐕 Run -m flake_aaa against its own tests
 labels =
@@ -140,7 +140,7 @@ deps = {[base_meta_plugin]deps}
 commands =
     flake8 tests
 
-[testenv:py3{8,9,10,11,12,13}-meta_plugin_default]
+[testenv:py3{8,9,10,11,12,13,14}-meta_plugin_default]
 # No FLAKE8FLAGS set, so default behaviour
 description = 🎈 Run -m flake_aaa against examples and tests
 labels =
@@ -150,7 +150,7 @@ deps = {[base_meta_plugin]deps}
 commands = {[base_meta_plugin]commands}
 allowlist_externals = {[base_meta_plugin]allowlist_externals}
 
-[testenv:py3{8,9,10,11,12,13}-meta_plugin_option]
+[testenv:py3{8,9,10,11,12,13,14}-meta_plugin_option]
 # FLAKE8FLAGS set to command line options --aaa-* to their default values,
 # ensure that defaults can be specified explicitly
 description = 🎈 Run -m flake_aaa against examples and tests (pass default options)
@@ -163,7 +163,7 @@ deps = {[base_meta_plugin]deps}
 commands = {[base_meta_plugin]commands}
 allowlist_externals = {[base_meta_plugin]allowlist_externals}
 
-[testenv:py3{8,9,10,11,12,13}-meta_plugin_config]
+[testenv:py3{8,9,10,11,12,13,14}-meta_plugin_config]
 # FLAKE8FLAGS pass command line --config reference to config file with explicit
 # defaults set to ensure defaults can be passed through explicitly
 description = 🎈 Run -m flake_aaa against examples and tests (pass default config)
@@ -176,7 +176,7 @@ deps = {[base_meta_plugin]deps}
 commands = {[base_meta_plugin]commands}
 allowlist_externals = {[base_meta_plugin]allowlist_externals}
 
-[testenv:py3{8,9,10,11,12,13}-meta_plugin_black]
+[testenv:py3{8,9,10,11,12,13,14}-meta_plugin_black]
 # Run Black examples passing Act block style 'large' as command line option and
 # passing as config.
 description = 🎈 Run -m flake_aaa against Black formatted examples
@@ -234,3 +234,4 @@ python =
     3.11: py311
     3.12: py312
     3.13: py313
+    3.14: py314