Require Python 3.8.

.github/workflows/tests.yml

@@ -14,13 +14,10 @@ jobs:
       matrix:
         config:
         # [Python version, tox env]
-        - ["2.7",   "py27"]
-        - ["3.6",   "py36"]
-        - ["3.7",   "py37"]
         - ["3.8",   "py38"]
         - ["3.9",   "py39"]
         - ["3.10",  "py310"]
-        - ["pypy3", "pypy3"]
+        - ["pypy-3.9", "pypy3"]
         - ["3.10",  "docs"]
 
     runs-on: ubuntu-latest
@@ -46,7 +43,6 @@ jobs:
     - name: Test
       run: tox -e ${{ matrix.config[1] }}
     - name: Coverage
-      if: matrix.config[0] != '2.7'
       run: |
         pip install coveralls coverage-python-version
         coveralls --service=github

CHANGES.rst

@@ -5,6 +5,10 @@ Changelog
 5.0.0a2 (unreleased)
 --------------------
 
+Breaking changes:
+
+- Require Python 3.8 as minimum Python version.  [maurits]
+
 Bug fixes:
 
 - Changed tools.UIDGenerator instance methods to static methods

docs/Makefile

@@ -45,7 +45,8 @@ clean:
 html:
 	$(SPHINXBUILD) -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html
 	@echo
-	@echo "Build finished. The HTML pages are in $(BUILDDIR)/html."
+	@echo "Build finished. The HTML pages are in docs/$(BUILDDIR)/html."
+	rm -rf build
 
 manual: *.rst
 	$(SPHINXBUILD) -b html -t manual . manual

setup.py

@@ -36,11 +36,6 @@
         'License :: OSI Approved :: BSD License',
         'Operating System :: OS Independent',
         'Programming Language :: Python',
-        'Programming Language :: Python :: 2',
-        'Programming Language :: Python :: 2.7',
-        'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.6',
-        'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: 3.10',
@@ -57,7 +52,7 @@
     package_dir={'': 'src'},
     include_package_data=True,
     zip_safe=False,
-    python_requires=">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*",
+    python_requires=">=3.8",
     install_requires=install_requires,
     entry_points = {'console_scripts': ['icalendar = icalendar.cli:main']},
     extras_require={

tox.ini

@@ -1,16 +1,17 @@
 # to run for a specific environment, use ``tox -e ENVNAME``
 [tox]
-envlist = py27,py37,py38,py39,py310,pypy3,docs
+envlist = py38,py39,py310,pypy3,docs
+# Note: the 'docs' env creates a 'build' directory which may interfere in strange ways
+# with the other environments.  You might see this when you run the tests in parallel.
+# See https://github.com/collective/icalendar/pull/359#issuecomment-1214150269
 
 [testenv]
 usedevelop=True
 deps =
     pytest
     coverage
-    py{27}: hypothesis>=3.0
 commands =
     coverage run --source=src/icalendar --omit=*/tests/* --module pytest []
-    py{27}: coverage run --append --source=src/icalendar --omit=*/tests/* --module pytest [] src/icalendar/tests/hypothesis/
     coverage report
     coverage html