Add support for Python 3.14

.changes/next-release/1822269289894500-feature-Python-88643.json

@@ -0,0 +1,5 @@
+{
+  "type": "feature",
+  "category": "Python",
+  "description": "Add support for Python 3.14 ([#2163](https://github.com/aws/chalice/pull/2163))"
+}

.changes/next-release/1822363688067875-enhancement-pip-542.json

@@ -0,0 +1,5 @@
+{
+  "type": "enhancement",
+  "category": "Pip",
+  "description": "Update pip to the latest version (<26.2) ([#2163](https://github.com/aws/chalice/pull/2163))"
+}

.github/workflows/run-tests.yml

@@ -17,10 +17,10 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
-        python-version: ['3.10', 3.11, 3.12, 3.13]
+        python-version: ['3.10', 3.11, 3.12, 3.13, 3.14]
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v6
         name: Set up Python ${{ matrix.python-version }}
         with:
           python-version: ${{ matrix.python-version }}
@@ -33,13 +33,13 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.10', 3.11, 3.12, 3.13]
+        python-version: ['3.10', 3.11, 3.12, 3.13, 3.14]
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v6
         with:
           node-version: '24'
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v6
         name: Set up Python ${{ matrix.python-version }}
         with:
           python-version: ${{ matrix.python-version }}
@@ -66,7 +66,7 @@ jobs:
 #        python-version: [3.6, 3.7, 3.8, 3.9]
 #    steps:
 #      - uses: actions/checkout@v2
-#      - uses: actions/setup-python@v2
+#      - uses: actions/setup-python@v6
 #        name: Set up Python ${{ matrix.python-version }}
 #        with:
 #          python-version: ${{ matrix.python-version }}

CONTRIBUTING.rst

@@ -67,7 +67,7 @@ First, create a virtual environment for chalice::
     $ source venv/bin/activate
 
 Keep in mind that chalice is designed to work with AWS Lambda.
-Make sure to create your virtual environment using Python 3.10 to 3.13,
+Make sure to create your virtual environment using Python 3.10 to 3.14,
 as these are versions currently supported by both AWS Lambda and chalice.
 
 Next, you'll need to install chalice.  The easiest way to configure this

README.rst

@@ -111,7 +111,7 @@ Quickstart
 In this tutorial, you'll use the ``chalice`` command line utility
 to create and deploy a basic REST API.  This quickstart uses Python 3.10,
 but AWS Chalice supports all versions of python supported by AWS Lambda,
-which includes Python 3.10 through python 3.13.
+which includes Python 3.10 through python 3.14.
 
 To install Chalice, we'll first create and activate a virtual environment
 in python3.10::

chalice/analyzer.py

@@ -193,6 +193,13 @@ def __init__(self, value):
         self.value = value
 
 
+def get_string_literal_value(node):
+    # type: (ast.AST) -> Optional[str]
+    if isinstance(node, ast.Constant) and isinstance(node.value, str):
+        return node.value
+    return None
+
+
 class ParsedCode(object):
     def __init__(self, parsed_ast, symbol_table):
         # type: (ast.AST, ChainedSymbolTable) -> None
@@ -411,8 +418,9 @@ def visit_Assign(self, node):
         rhs_inferred_type = self._get_inferred_type_for_node(node.value)
         if rhs_inferred_type is None:
             # Special casing assignment to a string literal.
-            if isinstance(node.value, ast.Str):
-                rhs_inferred_type = StringLiteral(node.value.s)
+            string_value = get_string_literal_value(node.value)
+            if string_value is not None:
+                rhs_inferred_type = StringLiteral(string_value)
                 self._set_inferred_type_for_node(node.value, rhs_inferred_type)
         for t in node.targets:
             if isinstance(t, ast.Name):
@@ -451,9 +459,10 @@ def visit_Call(self, node):
             # e_0(e_1) : B3CT[e_1]
             if len(node.args) >= 1:
                 service_arg = node.args[0]
-                if isinstance(service_arg, ast.Str):
+                service_name = get_string_literal_value(service_arg)
+                if service_name is not None:
                     self._set_inferred_type_for_node(
-                        node, Boto3ClientType(service_arg.s))
+                        node, Boto3ClientType(service_name))
                 elif isinstance(self._get_inferred_type_for_node(service_arg),
                                 StringLiteral):
                     sub_type = self._get_inferred_type_for_node(service_arg)

chalice/config.py

@@ -150,11 +150,11 @@ def lambda_python_version(self) -> str:
         major, minor = sys.version_info[0], sys.version_info[1]
         if (major, minor) < (3, 10):
             return 'python3.10'
-        elif (major, minor) <= (3, 12):
+        elif (major, minor) <= (3, 13):
             # Otherwise we use your current version of python if Lambda
             # supports it.
             return f'python{major}.{minor}'
-        return 'python3.13'
+        return 'python3.14'
 
     @property
     def log_retention_in_days(self) -> int:

chalice/deploy/packager.py

@@ -80,6 +80,7 @@ class BaseLambdaDeploymentPackager(object):
         'python3.11': 'cp311',
         'python3.12': 'cp312',
         'python3.13': 'cp313',
+        'python3.14': 'cp314',
     }
 
     def __init__(
@@ -499,6 +500,7 @@ class DependencyBuilder(object):
         'cp311': (2, 26),
         'cp312': (2, 34),
         'cp313': (2, 34),
+        'cp314': (2, 34),
     }
     # Fallback version if we're on an unknown python version
     # not in _RUNTIME_GLIBC.
@@ -635,9 +637,27 @@ def _download_binary_wheels(
         # Try to get binary wheels for each package that isn't compatible.
         logger.debug("Downloading manylinux wheels: %s", packages)
         self._pip.download_manylinux_wheels(
-            abi, [pkg.identifier for pkg in packages], directory
+            abi,
+            [pkg.identifier for pkg in packages],
+            directory,
+            self._get_pip_platforms(abi),
         )
 
+    def _get_pip_platforms(self, abi: str) -> List[str]:
+        # Pip treats --platform as a literal tag and does not auto-include
+        # lower manylinux_X_Y versions, so we enumerate every glibc minor up
+        # to the runtime's. The trailing manylinux2014_x86_64 alias engages
+        # pip's legacy compatibility hierarchy (manylinux1, manylinux2010).
+        runtime_major, runtime_minor = self._RUNTIME_GLIBC.get(
+            abi, self._DEFAULT_GLIBC
+        )
+        platforms = [
+            'manylinux_%s_%s_x86_64' % (runtime_major, minor)
+            for minor in range(17, runtime_minor + 1)
+        ]
+        platforms.append('manylinux2014_x86_64')
+        return platforms
+
     def _download_sdists(self, packages: Set[Package], directory: str) -> None:
         logger.debug("Downloading missing sdists: %s", packages)
         self._pip.download_sdists(
@@ -1161,31 +1181,33 @@ def download_all_dependencies(
             self.build_wheel(wheel_package_path, directory)
 
     def download_manylinux_wheels(
-        self, abi: str, packages: List[str], directory: str
+        self,
+        abi: str,
+        packages: List[str],
+        directory: str,
+        platforms: Optional[List[str]] = None,
     ) -> None:
         """Download wheel files for manylinux for all the given packages."""
         # If any one of these dependencies fails pip will bail out. Since we
         # are only interested in all the ones we can download, we need to feed
         # each package to pip individually. The return code of pip doesn't
         # matter here since we will inspect the working directory to see which
         # wheels were downloaded. We are only interested in wheel files
-        # compatible with lambda, which means manylinux1_x86_64 platform and
+        # compatible with lambda, which means a manylinux x86_64 platform and
         # cpython implementation. The compatible abi depends on the python
         # version and is checked later.
+        if platforms is None:
+            platforms = ['manylinux2014_x86_64']
         for package in packages:
-            arguments = [
-                '--only-binary=:all:',
-                '--no-deps',
-                '--platform',
-                'manylinux2014_x86_64',
-                '--implementation',
-                'cp',
-                '--abi',
-                abi,
-                '--dest',
-                directory,
+            arguments = ['--only-binary=:all:', '--no-deps']
+            for platform in platforms:
+                arguments.extend(['--platform', platform])
+            arguments.extend([
+                '--implementation', 'cp',
+                '--abi', abi,
+                '--dest', directory,
                 package,
-            ]
+            ])
             self._execute('download', arguments)
 
     def download_sdists(self, packages: List[str], directory: str) -> None:

chalice/pipeline.py

@@ -132,7 +132,9 @@ class CreatePipelineTemplateV2(BasePipelineTemplate):
                 "Description": "Enter the name of your application"
             },
             "CodeBuildImage": {
-                "Default": "aws/codebuild/amazonlinux2-x86_64-standard:3.0",
+                "Default": (
+                    "aws/codebuild/amazonlinux2023-x86_64-standard:5.0"
+                ),
                 "Type": "String",
                 "Description": "Name of codebuild image to use."
             }

docs/source/topics/cd.rst

@@ -42,7 +42,7 @@ version, ``v2``, is recommended.  The version can be specified using the
 * The ``v2`` buildspec uses `runtime-versions <https://docs.aws.amazon.com/codebuild/latest/userguide/build-spec-ref.html#build-spec.phases.install.runtime-versions>`__
   to configure which version of Python to use instead of a Python
   version specific CodeBuild image.  For ``v2`` templates the
-  ``aws/codebuild/amazonlinux2-x86_64-standard`` image.
+  ``aws/codebuild/amazonlinux2023-x86_64-standard`` image.
 
 **The v2 pipeline template requires Python 3.10 or higher.** If you're using
 Python versions less than 3.10 you must use the ``v1`` pipeline template.

docs/source/topics/pyversion.rst

@@ -1,7 +1,7 @@
 Python Version Support
 ======================
 
-Chalice supports Python 3.10 through Python 3.13.  You can see the list of
+Chalice supports Python 3.10 through Python 3.14.  You can see the list of
 supported python versions for Lambda in their
 `docs <https://docs.aws.amazon.com/lambda/latest/dg/lambda-python.html>`__.
 
@@ -35,8 +35,8 @@ explicitly configure which version of python you want to use. For example::
 
 
 In the example above, we're using python 3.10.20 so chalice automatically
-selects the ``python3.10`` runtime for lambda.  If we were using python 3.13,
-chalice would automatically select ``python3.13`` as the runtime.
+selects the ``python3.10`` runtime for lambda.  If we were using python 3.14,
+chalice would automatically select ``python3.14`` as the runtime.
 
 Chalice will emit a warning if the minor version does not match a python
 version supported by Lambda.  Chalice will select the closest Lambda version
@@ -61,7 +61,7 @@ Python 3.10 ::
     ...
     https://endpoint/api
 
-To upgrade the application to use Python 3.13, create a python3 virtual
+To upgrade the application to use Python 3.14, create a python3 virtual
 environment and redeploy.
 
 ::
@@ -70,6 +70,6 @@ environment and redeploy.
     $ python3 -m venv /tmp/venv3
     $ source /tmp/venv3/bin/activate
     $ python --version
-    Python 3.13.3
+    Python 3.14.4
     $ chalice deploy
     ...

setup.py

@@ -23,7 +23,7 @@ def recursive_include(relative_dir):
     'click>=7,<9.0',
     'botocore>=1.14.0,<2.0.0',
     'six>=1.10.0,<2.0.0',
-    'pip>=9,<25.1',
+    'pip>=9,<26.2',
     'jmespath>=0.9.3,<2.0.0',
     'pyyaml>=5.3.1,<7.0.0',
     'inquirer>=3.0.0,<4.0.0',
@@ -73,5 +73,6 @@ def recursive_include(relative_dir):
         'Programming Language :: Python :: 3.11',
         'Programming Language :: Python :: 3.12',
         'Programming Language :: Python :: 3.13',
+        'Programming Language :: Python :: 3.14',
     ],
 )

tests/functional/cli/test_cli.py

@@ -410,8 +410,8 @@ def test_error_when_no_deployed_record(runner, mock_cli_factory):
 
 
 @pytest.mark.skipif(
-    (3, 10) <= sys.version_info[:2] <= (3, 13),
-    reason=("Cannot generate pipeline for python3.10 - python3.13"),
+    (3, 10) <= sys.version_info[:2] <= (3, 14),
+    reason=("Cannot generate pipeline for python3.10 - python3.14"),
 )
 def test_can_generate_pipeline_for_all(runner):
     with runner.isolated_filesystem():

tests/functional/test_package.py

@@ -271,6 +271,7 @@ def test_can_get_sdist_if_missing_initially(self, tmpdir, pip_runner):
         pip.packages_to_download(
             expected_args=[
                 '--only-binary=:all:', '--no-deps', '--platform',
+                'manylinux_2_17_x86_64', '--platform',
                 'manylinux2014_x86_64', '--implementation', 'cp',
                 '--abi', 'cp36m', '--dest', mock.ANY,
                 'foo==1.2'
@@ -743,6 +744,7 @@ def test_can_replace_incompat_whl(self, tmpdir, osutils, pip_runner):
         pip.packages_to_download(
             expected_args=[
                 '--only-binary=:all:', '--no-deps', '--platform',
+                'manylinux_2_17_x86_64', '--platform',
                 'manylinux2014_x86_64', '--implementation', 'cp',
                 '--abi', 'cp36m', '--dest', mock.ANY,
                 'bar==1.2'
@@ -785,6 +787,7 @@ def test_whitelist_sqlalchemy(self, tmpdir, osutils, pip_runner,
         pip.packages_to_download(
             expected_args=[
                 '--only-binary=:all:', '--no-deps', '--platform',
+                'manylinux_2_17_x86_64', '--platform',
                 'manylinux2014_x86_64', '--implementation', 'cp',
                 '--abi', abi, '--dest', mock.ANY,
                 '%s==1.1.18' % package
@@ -942,6 +945,7 @@ def test_build_into_existing_dir_with_preinstalled_packages(
         pip.packages_to_download(
             expected_args=[
                 '--only-binary=:all:', '--no-deps', '--platform',
+                'manylinux_2_17_x86_64', '--platform',
                 'manylinux2014_x86_64', '--implementation', 'cp',
                 '--abi', abi, '--dest', mock.ANY,
                 'foo==1.2'