Dependencies: drop support for Python 3.7

.github/workflows/ci-code.yml

@@ -49,7 +49,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.7', '3.10']
+        python-version: ['3.8', '3.10']
         backend: ['django', 'sqlalchemy']
 
     services:
@@ -129,10 +129,10 @@ jobs:
         .github/workflows/tests.sh
 
     - name: Upload coverage report
-      if: matrix.python-version == 3.7 && github.repository == 'aiidateam/aiida-core'
+      if: matrix.python-version == 3.8 && github.repository == 'aiidateam/aiida-core'
       uses: codecov/codecov-action@v1
       with:
-        name: aiida-pytests-py3.7-${{ matrix.backend }}
+        name: aiida-pytests-py3.8-${{ matrix.backend }}
         flags: ${{ matrix.backend }}
         file: ./coverage.xml
         fail_ci_if_error: false  # don't fail job, if coverage upload fails
@@ -145,7 +145,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.7', '3.10']
+        python-version: ['3.8', '3.10']
 
     steps:
     - uses: actions/checkout@v2

.github/workflows/post-release.yml

@@ -23,10 +23,10 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
-    - name: Set up Python 3.7
+    - name: Set up Python 3.8
       uses: actions/setup-python@v2
       with:
-        python-version: '3.7'
+        python-version: '3.8'
 
     - name: Install python dependencies
       run: |

.github/workflows/test-install.yml

@@ -53,7 +53,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.8', '3.9', '3.10']
 
     steps:
     - uses: actions/checkout@v2
@@ -139,7 +139,7 @@ jobs:
       fail-fast: false
       matrix:
 
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.8', '3.9', '3.10']
 
         # 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.
@@ -183,7 +183,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.8', '3.9', '3.10']
         backend: ['django', 'sqlalchemy']
 
     services:

.molecule/default/setup_python.yml

@@ -13,7 +13,7 @@
     pip:
       chdir: "{{ aiida_core_dir }}"
       # TODO dynamically change for python version
-      requirements: requirements/requirements-py-3.7.txt
+      requirements: requirements/requirements-py-3.8.txt
       executable: "{{ venv_bin }}/pip"
       extra_args: --cache-dir {{ aiida_pip_cache }}
     register: pip_install_deps

environment.yml

@@ -5,7 +5,7 @@ channels:
 - conda-forge
 - defaults
 dependencies:
-- python~=3.7
+- python~=3.8
 - aldjemy~=2.4
 - alembic~=1.2
 - archive-path~=0.3.6

pyproject.toml

@@ -131,17 +131,16 @@ ignore_missing_imports = true
 [tool.tox]
 legacy_tox_ini = """
 [tox]
-envlist = py37-django
+envlist = py38-django
 
 [testenv]
 usedevelop=True
 deps =
-    py37: -rrequirements/requirements-py-3.7.txt
     py38: -rrequirements/requirements-py-3.8.txt
     py39: -rrequirements/requirements-py-3.9.txt
     py310: -rrequirements/requirements-py-3.10.txt
 
-[testenv:py{37,38,39,310}-{django,sqla}]
+[testenv:py{38,39,310}-{django,sqla}]
 passenv =
     PYTHONASYNCIODEBUG
 setenv =
@@ -150,13 +149,13 @@ setenv =
     SQLALCHEMY_WARN_20 = 1
 commands = pytest {posargs}
 
-[testenv:py{37,38,39,310}-verdi]
+[testenv:py{38,39,310}-verdi]
 setenv =
     AIIDA_TEST_BACKEND = django
     AIIDA_PATH = {toxinidir}/.tox/.aiida
 commands = verdi {posargs}
 
-[testenv:py{37,38,39,310}-docs-{clean,update}]
+[testenv:py{38,39,310}-docs-{clean,update}]
 description =
     clean: Build the documentation (remove any existing build)
     update: Build the documentation (modify any existing build)
@@ -169,11 +168,10 @@ commands =
     clean: make clean
     make debug
 
-[testenv:py{37,38,39,310}-docs-live]
+[testenv:py{38,39,310}-docs-live]
 # tip: remove apidocs before using this feature (`cd docs; make clean`)
 description = Build the documentation and launch browser (with live updates)
 deps =
-    py37: -rrequirements/requirements-py-3.7.txt
     py38: -rrequirements/requirements-py-3.8.txt
     py39: -rrequirements/requirements-py-3.9.txt
     py310: -rrequirements/requirements-py-3.10.txt
@@ -186,7 +184,7 @@ commands =
         --port 0 --open-browser \
         -n -b {posargs:html} docs/source/ docs/build/{posargs:html}
 
-[testenv:py{37,38,39,310}-pre-commit]
+[testenv:py{38,39,310}-pre-commit]
 description = Run the pre-commit checks
 extras = pre-commit
 commands = pre-commit run {posargs}

setup.json

@@ -7,15 +7,14 @@
     "author_email": "[email protected]",
     "description": "AiiDA is a workflow manager for computational science with a strong focus on provenance, performance and extensibility.",
     "include_package_data": true,
-    "python_requires": ">=3.7",
+    "python_requires": ">=3.8",
     "classifiers": [
         "Development Status :: 5 - Production/Stable",
         "Framework :: AiiDA",
         "License :: OSI Approved :: MIT License",
         "Operating System :: POSIX :: Linux",
         "Operating System :: MacOS :: MacOS X",
         "Programming Language :: Python",
-        "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",

utils/dependency_management.py

@@ -141,7 +141,7 @@ def generate_environment_yml():
     # python version cannot be overriden from outside environment.yml
     # (even if it is not specified at all in environment.yml)
     # https://github.com/conda/conda/issues/9506
-    conda_requires = ['python~=3.7']
+    conda_requires = ['python~=3.8']
     for req in install_requirements:
         if req.name == 'python' or any(re.match(ignore, str(req)) for ignore in CONDA_IGNORE):
             continue