Drop 3.9 and support 3.14

.github/actions/install-aiida-core/action.yml

@@ -4,7 +4,7 @@ description: Install aiida-core package and its Python dependencies
 inputs:
   python-version:
     description: Python version
-    default: '3.9'              # Lowest supported version
+    default: '3.10'              # Lowest supported version
     required: false
   extras:
     description: list of optional dependencies

.github/workflows/ci-code.yml

@@ -26,7 +26,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.9', '3.13']
+        python-version: ['3.10', '3.14']
         database-backend: [psql]
 
     services:
@@ -72,14 +72,14 @@ jobs:
         AIIDA_TEST_PROFILE: test_aiida
         AIIDA_WARN_v3: 1
       run: |
-        pytest -n auto --db-backend ${{ matrix.database-backend }} -m 'not nightly' tests/ ${{ matrix.python-version == '3.13' && '--cov aiida' || '' }}
+        pytest -n auto --db-backend ${{ matrix.database-backend }} -m 'not nightly' tests/ ${{ matrix.python-version == '3.14' && '--cov aiida' || '' }}
 
     - name: Upload coverage report
-      if: matrix.python-version == 3.13 && github.repository == 'aiidateam/aiida-core'
+      if: matrix.python-version == 3.14 && github.repository == 'aiidateam/aiida-core'
       uses: codecov/codecov-action@v5
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
-        name: aiida-pytests-py3.13
+        name: aiida-pytests-py3.14
         files: ./coverage.xml
         fail_ci_if_error: false  # don't fail job, if coverage upload fails
 
@@ -90,7 +90,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.9']
+        python-version: ['3.10']
         database-backend: [sqlite]
 
     services:
@@ -137,7 +137,7 @@ jobs:
     - name: Install aiida-core
       uses: ./.github/actions/install-aiida-core
       with:
-        python-version: '3.13'
+        python-version: '3.14'
 
     - name: Setup SSH on localhost
       run: .github/workflows/setup_ssh.sh
@@ -159,7 +159,7 @@ jobs:
     - name: Install aiida-core
       uses: ./.github/actions/install-aiida-core
       with:
-        python-version: '3.13'
+        python-version: '3.14'
         from-lock: 'true'
         extras: ''
 
@@ -202,7 +202,7 @@ jobs:
     - name: Install aiida-core
       uses: ./.github/actions/install-aiida-core
       with:
-        python-version: '3.9'
+        python-version: '3.10'
         from-lock: 'true'
         extras: tests
 

.github/workflows/docs-build.yml

@@ -23,7 +23,7 @@ jobs:
     - name: Install aiida-core and docs deps
       uses: ./.github/actions/install-aiida-core
       with:
-        python-version: '3.9'
+        python-version: '3.10'
         extras: docs,tests,rest,atomic_tools
         from-lock: 'false'
 

.github/workflows/release.yml

@@ -30,10 +30,10 @@ jobs:
     - name: Checkout repo
       uses: actions/checkout@v6
 
-    - name: Set up Python 3.9
+    - name: Set up Python 3.10
       uses: actions/setup-python@v6
       with:
-        python-version: '3.9'
+        python-version: '3.10'
 
     - name: Check tag
       run: python .github/workflows/check_release_tag.py $GITHUB_REF
@@ -95,10 +95,10 @@ jobs:
     steps:
     - name: Checkout source
       uses: actions/checkout@v6
-    - name: Set up Python 3.9
+    - name: Set up Python 3.10
       uses: actions/setup-python@v6
       with:
-        python-version: '3.9'
+        python-version: '3.10'
     - name: Install flit
       run: pip install flit~=3.4
     - name: Build
@@ -123,10 +123,10 @@ jobs:
     steps:
     - name: Checkout source
       uses: actions/checkout@v6
-    - name: Set up Python 3.9
+    - name: Set up Python 3.10
       uses: actions/setup-python@v6
       with:
-        python-version: '3.9'
+        python-version: '3.10'
     - name: Install flit
       run: pip install flit~=3.4
     - name: Build

.github/workflows/test-install.yml

@@ -84,10 +84,10 @@ jobs:
     steps:
     - uses: actions/checkout@v6
 
-    - name: Set up Python 3.9
+    - name: Set up Python 3.10
       uses: actions/setup-python@v6
       with:
-        python-version: '3.9'
+        python-version: '3.10'
 
     - name: Pip install
       id: pip_install
@@ -111,7 +111,7 @@ jobs:
       fail-fast: false
       matrix:
 
-        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
+        python-version: ['3.10', '3.11', '3.12', '3.13', '3.14']
 
         # Not being able to install with conda on a specific Python version is
         # not sufficient to fail the run, but something we want to be aware of.
@@ -165,7 +165,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
+        python-version: ['3.10', '3.11', '3.12', '3.13', '3.14']
 
     services:
       postgres:

.molecule/default/setup_python.yml

@@ -13,7 +13,7 @@
     pip:
       chdir: '{{ aiida_core_dir }}'
       # TODO dynamically change for python version
-      requirements: requirements/requirements-py-3.9.txt
+      requirements: requirements/requirements-py-3.10.txt
       executable: '{{ venv_bin }}/pip'
       extra_args: --cache-dir {{ aiida_pip_cache }}
     register: pip_install_deps

environment.yml

@@ -5,16 +5,15 @@ channels:
 - conda-forge
 - defaults
 dependencies:
-- python~=3.9
+- python~=3.10
 - alembic~=1.8
 - archive-path~=0.4.2
-- asyncssh~=2.19.0
+- asyncssh~=2.22.0
 - circus~=0.19.0
 - click-spinner~=0.1.8
 - click<8.3,>=8.1.0
 - disk-objectstore~=1.4.0
 - docstring_parser
-- get-annotations~=0.1
 - python-graphviz~=0.19
 - plumpy~=0.25.0
 - ipython>=7.6

pyproject.toml

@@ -18,11 +18,11 @@ classifiers = [
   'Operating System :: POSIX :: Linux',
   'Operating System :: MacOS :: MacOS X',
   'Programming Language :: Python',
-  'Programming Language :: Python :: 3.9',
   'Programming Language :: Python :: 3.10',
   'Programming Language :: Python :: 3.11',
   'Programming Language :: Python :: 3.12',
   'Programming Language :: Python :: 3.13',
+  'Programming Language :: Python :: 3.14',
   'Topic :: Scientific/Engineering'
 ]
 # NOTE: When updating versions of some packages, such as requests or paramiko,
@@ -31,13 +31,12 @@ classifiers = [
 dependencies = [
   'alembic~=1.8',
   'archive-path~=0.4.2',
-  "asyncssh~=2.19.0",
+  "asyncssh~=2.22.0",
   'circus~=0.19.0',
   'click-spinner~=0.1.8',
   'click>=8.1.0,<8.3',
   'disk-objectstore~=1.4.0',
   'docstring-parser',
-  'get-annotations~=0.1;python_version<"3.10"',
   'graphviz~=0.19',
   'plumpy~=0.25.0',
   'ipython>=7.6',
@@ -68,7 +67,7 @@ keywords = ['aiida', 'workflows']
 license = {file = 'LICENSE.txt'}
 name = 'aiida-core'
 readme = 'README.md'
-requires-python = '>=3.9'
+requires-python = '>=3.10'
 
 [project.entry-points.'aiida.brokers']
 'core.rabbitmq' = 'aiida.brokers.rabbitmq.broker:RabbitmqBroker'
@@ -260,7 +259,7 @@ pre-commit = [
   'types-requests~=2.0'
 ]
 rest = [
-  'flask-cors~=3.0',
+  'flask-cors~=3.0,>=3.0.8',
   'flask-restful~=0.3.10',
   'flask~=2.3.3',
   'pyparsing~=3.1',
@@ -378,7 +377,6 @@ module = [
   'bs4.*',
   'circus.*',
   'flask_restful.*',
-  'get_annotations.*',
   'graphviz.*',
   'kiwipy.*',
   'mayavi.*',
@@ -487,38 +485,39 @@ extend-generics = ["aiida.orm.entities.Entity", "aiida.orm.entities.Collection"]
 legacy_tox_ini = """
 [tox]
 minversion = 3.18.0
-envlist = py39
+envlist = py310
 
 [testenv]
 usedevelop=True
 deps =
-    py39: -rrequirements/requirements-py-3.9.txt
     py310: -rrequirements/requirements-py-3.10.txt
     py311: -rrequirements/requirements-py-3.11.txt
     py312: -rrequirements/requirements-py-3.12.txt
+    py313: -rrequirements/requirements-py-3.13.txt
+    py314: -rrequirements/requirements-py-3.14.txt
 
-[testenv:py{39,310,311,312}-presto]
+[testenv:py{310,311,312,313,314}-presto]
 passenv =
     PYTHONASYNCIODEBUG
 setenv =
     AIIDA_WARN_v3 =
 commands = pytest -m 'presto' {posargs}
 
-[testenv:py{39,310,311,312}]
+[testenv:py{310,311,312,313,314}]
 passenv =
     PYTHONASYNCIODEBUG
 setenv =
     AIIDA_WARN_v3 =
 commands = pytest {posargs}
 
-[testenv:py{39,310,311,312}-verdi]
+[testenv:py{310,311,312,313,314}-verdi]
 passenv =
     AIIDA_TEST_BACKEND
 setenv =
     AIIDA_PATH = {toxinidir}/.tox/.aiida
 commands = verdi {posargs}
 
-[testenv:py{39,310,311,312}-docs-{clean,update}]
+[testenv:py{310,311,312,313,314}-docs-{clean,update}]
 description =
     clean: Build the documentation (remove any existing build)
     update: Build the documentation (modify any existing build)
@@ -531,14 +530,15 @@ commands =
     clean: make clean
     make debug
 
-[testenv:py{39,310,311,312}-docs-live]
+[testenv:py{310,311,312,313,314}-docs-live]
 # tip: remove apidocs before using this feature (`cd docs; make clean`)
 description = Build the documentation and launch browser (with live updates)
 deps =
-    py39: -rrequirements/requirements-py-3.9.txt
     py310: -rrequirements/requirements-py-3.10.txt
     py311: -rrequirements/requirements-py-3.11.txt
     py312: -rrequirements/requirements-py-3.12.txt
+    py313: -rrequirements/requirements-py-3.13.txt
+    py314: -rrequirements/requirements-py-3.14.txt
     sphinx-autobuild
 setenv =
     RUN_APIDOC = False
@@ -548,7 +548,7 @@ commands =
         --port 0 --open-browser \
         -n -b {posargs:html} docs/source/ docs/build/{posargs:html}
 
-[testenv:py{39,310,311,312}-pre-commit]
+[testenv:py{310,311,312,313,314}-pre-commit]
 description = Run the pre-commit checks
 extras = pre-commit
 commands = pre-commit run {posargs}

src/aiida/calculations/importers/arithmetic/add.py

@@ -3,7 +3,7 @@
 from pathlib import Path
 from re import match
 from tempfile import NamedTemporaryFile
-from typing import Dict, Union
+from typing import Dict
 
 from aiida.engine import CalcJobImporter
 from aiida.orm import Int, Node, RemoteData
@@ -13,7 +13,7 @@ class ArithmeticAddCalculationImporter(CalcJobImporter):
     """Importer for the :class:`aiida.calculations.arithmetic.add.ArithmeticAddCalculation` plugin."""
 
     @staticmethod
-    def parse_remote_data(remote_data: RemoteData, **kwargs) -> Dict[str, Union[Node, Dict]]:
+    def parse_remote_data(remote_data: RemoteData, **kwargs) -> Dict[str, Node | Dict]:
         """Parse the input nodes from the files in the provided ``RemoteData``.
 
         :param remote_data: the remote data node containing the raw input files.

src/aiida/calculations/stash.py

@@ -11,7 +11,7 @@
 from __future__ import annotations
 
 import json
-from typing import Any, Optional
+from typing import Any
 
 from aiida import orm
 from aiida.common import AIIDA_LOGGER
@@ -21,7 +21,7 @@
 EXEC_LOGGER = AIIDA_LOGGER.getChild('StashCalculation')
 
 
-def validate_source_node(source_node: Any, _: Any) -> Optional[str]:
+def validate_source_node(source_node: Any, _: Any) -> str | None:
     """Validate the ``source_node`` input.
 
     Checks that the creator of the source_node (i.e., the CalcJob that produced this RemoteData)

src/aiida/cmdline/params/options/callable.py

@@ -22,7 +22,7 @@ class CallableDefaultOption(click.Option):
     https://github.com/pallets/click/issues/2614
     """
 
-    def get_default(self, ctx: click.Context, call: bool = True) -> t.Optional[t.Union[t.Any, t.Callable[[], t.Any]]]:
+    def get_default(self, ctx: click.Context, call: bool = True) -> t.Any | t.Callable[[], t.Any] | None:
         """Return default unless in tab-completion context."""
         if ctx.resilient_parsing:
             return None

src/aiida/cmdline/params/types/path.py

@@ -20,7 +20,7 @@
 
 URL_TIMEOUT_SECONDS = 10
 
-PathType = t.Union[str, bytes, os.PathLike[str]]
+PathType = str | bytes | os.PathLike[str]
 
 
 def check_timeout_seconds(timeout_seconds: float) -> int:

src/aiida/cmdline/params/types/plugin.py

@@ -180,7 +180,7 @@ def shell_complete(
         return results
 
     @shim_add_ctx
-    def get_missing_message(self, param: click.Parameter, ctx: click.Context | None) -> str:
+    def get_missing_message(self, param: click.Parameter, ctx: click.Context | None) -> str:  # type: ignore[override]
         return 'Possible arguments are:\n\n' + '\n'.join(self.get_valid_arguments())
 
     def get_entry_point_from_string(self, entry_point_string: str) -> EntryPoint:
@@ -235,7 +235,7 @@ def validate_entry_point_group(self, group: str) -> None:
 
     def convert(  # type: ignore[override]
         self, value: t.Any, param: click.Parameter | None, ctx: click.Context | None
-    ) -> t.Union[EntryPoint, t.Any]:
+    ) -> EntryPoint | t.Any:
         """Convert the string value to an entry point instance, if the value can be successfully parsed
         into an actual entry point. Will raise click.BadParameter if validation fails.
         """

src/aiida/cmdline/utils/echo.py

@@ -16,7 +16,7 @@
 import logging
 import sys
 from collections.abc import Sequence
-from typing import Any, Callable, NoReturn, Optional
+from typing import Any, Callable, NoReturn
 
 import click
 
@@ -71,7 +71,7 @@ def highlight_string(string: str, color: str = 'highlight') -> str:
     return click.style(string, fg=COLORS[color])
 
 
-def echo(message: Any, fg: Optional[str] = None, bold: bool = False, nl: bool = True, err: bool = False) -> None:
+def echo(message: Any, fg: str | None = None, bold: bool = False, nl: bool = True, err: bool = False) -> None:
     """Log a message to the cmdline logger.
 
     .. note:: The message will be logged at the ``REPORT`` level but always without the log level prefix.