Migrate tool settings from setup.cfg to pyproject.toml

.github/workflows/unit-testing-and-coverage.yml

@@ -7,14 +7,12 @@ on:
     branches: [ "master" ]
     paths:
       - "aiosmtpd/**"
-      - "setup.cfg"  # To monitor changes in dependencies
       - "pyproject.toml"  # To monitor changes in dependencies
   # This is for PRs
   pull_request:
     branches: [ "master" ]
     paths:
       - "aiosmtpd/**"
-      - "setup.cfg"  # To monitor changes in dependencies
       - "pyproject.toml"  # To monitor changes in dependencies
   # Manual/on-demand
   workflow_dispatch:
@@ -38,7 +36,7 @@ jobs:
         # language=bash
         run: |
           python -m pip install --upgrade pip setuptools wheel
-          python setup.py develop
+          python -m pip install .
           # Common deps
           pip install colorama
       - name: "flake8 Style Checking"
@@ -53,7 +51,9 @@ jobs:
             "print(config['flake8_plugins']['deps']);"
           )
           pip install "flake8>=5.0.4" $(python -c "${grab_f8_plugins[*]}")
-          python -m flake8 aiosmtpd setup.py housekeep.py release.py
+          echo "Running flake8 ... there will be no output if no errors:"
+          python -m flake8 aiosmtpd housekeep.py release.py
+          echo "flake8 done."
       - name: "Docs Checking"
         # language=bash
         run: |
@@ -69,6 +69,8 @@ jobs:
           pip install dnspython argon2-cffi
           # Install pytype
           pip install pytype
+          # List files & dirs so if pytype blows up we can see what else to exclude
+          ls -la
           pytype --keep-going --jobs auto .
       - name: "Other QA Checks"
         shell: bash
@@ -110,7 +112,7 @@ jobs:
         # Test deps
         pip install colorama "coverage>=7.0.1" coverage[toml] "coverage-conditional-plugin>=0.5.0" packaging pytest pytest-cov pytest-mock
         # Package deps
-        python setup.py develop
+        python -m pip install .
     - name: "Security checking"
       # language=bash
       run: |

README.rst

@@ -118,11 +118,12 @@ You can also request help by submitting a question on StackOverflow.
 Building
 ========
 
-You can install this package in a virtual environment like so::
+You can install this package -- after cloning -- in a virtual environment like so::
 
     $ python3 -m venv /path/to/venv
     $ source /path/to/venv/bin/activate
-    $ python setup.py install
+    $ python -m pip install -U pip setuptools
+    $ python -m pip install .
 
 This will give you a command line script called ``aiosmtpd`` which implements the
 SMTP server.  Use ``aiosmtpd --help`` for a quick reference.

aiosmtpd/__init__.py

@@ -4,7 +4,7 @@
 import warnings
 
 
-__version__ = "1.4.4"
+__version__ = "1.5.0a1"
 
 
 def _get_or_new_eventloop() -> asyncio.AbstractEventLoop:

aiosmtpd/docs/NEWS.rst

@@ -14,6 +14,7 @@ Fixed/Improved
 --------------
 * All Controllers now have more rationale design, as they are now composited from a Base + a Mixin
 * A whole bunch of annotations
+* Stop using ``setup.cfg`` and use ``pyproject.toml`` instead
 
 
 1.4.4 (2023-01-13)

pyproject.toml

@@ -1,7 +1,67 @@
+# region #### Project metadata ##########
+
+[project]
+name = "aiosmtpd"
+requires-python = ">=3.7"
+dynamic = [ "version" ]
+description = "aiosmtpd - asyncio based SMTP server"
+readme = "DESCRIPTION.rst"
+urls."Home Page" = "https://aiosmtpd.readthedocs.io/"
+urls."Bug Tracker" = "https://github.com/aio-libs/aiosmtpd/issues"
+urls."Documentation" = "https://aiosmtpd.readthedocs.io/"
+urls."Source Code" = "https://github.com/aio-libs/aiosmtpd"
+maintainers = [
+    { name = "The aiosmtpd Developers", email = "aiosmtpd@googlegroups.com"}
+]
+keywords = [ "email", "smtpd", "smtp", "async" ]
+license.file = "LICENSE"
+classifiers = [
+    "License :: OSI Approved",
+    "License :: OSI Approved :: Apache Software License",
+    "Intended Audience :: Developers",
+    "Operating System :: Microsoft :: Windows",
+    "Operating System :: POSIX :: BSD :: FreeBSD",
+    "Operating System :: POSIX :: Linux",
+    "Programming Language :: Python :: 3 :: Only",
+    "Programming Language :: Python :: 3.7",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: Implementation :: CPython",
+    "Programming Language :: Python :: Implementation :: PyPy",
+    "Topic :: Communications :: Email :: Mail Transport Agents",
+    "Framework :: AsyncIO",
+]
+dependencies = [
+    "atpublic",
+    "attrs",
+    "typing-extensions ; python_version < '3.8'",
+]
+
+[project.scripts]
+aiosmtpd = "aiosmtpd.main:main"
+
 [build-system]
 requires = ["setuptools", "wheel"]
 build-backend = "setuptools.build_meta"
 
+# endregion
+
+# region #### setuptools settings ##########
+
+[tool.setuptools]
+zip-safe = false
+
+[tool.setuptools.dynamic]
+version = { attr = "aiosmtpd.__version__" }
+
+[tool.setuptools.packages.find]
+where = ["."]
+include = ["aiosmtpd*"]
+
+# endregion
+
 [tool.pytest.ini_options]
 addopts = """--strict-markers -rfEX"""
 markers = [
@@ -82,3 +142,85 @@ known_local_folder = [
     "aiosmtpd"
 ]
 combine_as_imports = true
+
+
+[tool.flake8]
+max-line-length = 88
+select = ["E", "F", "W", "C90", "C4", "MOD", "JS", "PIE", "PT", "SIM", "ECE", "C801", "DUO", "TAE", "ANN", "YTT", "N400"]
+ignore = [
+    # black conflicts with E123 & E133
+    "E123",
+    "E133",
+    # W503 conflicts with PEP8...
+    "W503",
+    # W293 is a bit too noisy. Many files have been edited using editors that do not remove spaces from blank lines.
+    "W293",
+    # Sometimes spaces around colons improve readability
+    "E203",
+    # Sometimes we prefer the func()-based creation, not literal, for readability
+    "C408",
+    # Sometimes we need to catch Exception broadly
+    "PIE786",
+    # We don't really care about pytest.fixture vs pytest.fixture()
+    "PT001",
+    # Good idea, but too many changes. Remove this in the future, and create separate PR
+    "PT004",
+    # Sometimes exception needs to be explicitly raised in special circumstances, needing additional lines of code
+    "PT012",
+    # I still can't grok the need to annotate "self" or "cls" ...
+    "ANN101",
+    "ANN102",
+    # I don't think forcing annotation for *args and **kwargs is a wise idea...
+    "ANN002",
+    "ANN003",
+    # We have too many "if..elif..else: raise" structures that does not convert well to "error-first" design
+    "SIM106",
+    # We have too many 'Any' type annotations.
+    "ANN401",
+    # Classes for some reason aren't always just replaceable by modules.
+    "PIE798",
+    # It is cleaner sometimes to assign and return, especially when using 'await' expressions.
+    "PIE781",
+    # Use f'strings instead of % formatters, the performance impact isn't too bad and f'strings are awesome!
+    "PIE803",
+    # It is more readable to instantiate and add items on-by-one instead of all at once.
+    "PIE799",
+    # Explicit is better than implicit, range(0, val) is more explicit than range(val).
+    "PIE808",
+]
+per-file-ignores = [
+    "aiosmtpd/tests/test_*:ANN001",
+    "aiosmtpd/tests/test_proxyprotocol.py:DUO102",
+    "aiosmtpd/docs/_exts/autoprogramm.py:C801",
+]
+# flake8-coding
+no-accept-encodings = true
+# flake8-copyright
+copyright-check = true
+# The number below was determined empirically by bisecting from 100 until no copyright-unnecessary files appear
+copyright-min-file-size = 44
+copyright-author = "The aiosmtpd Developers"
+# flake8-annotations-complexity
+max-annotations-complexity = 4
+# flake8-annotations-coverage
+min-coverage-percents = 12
+# flake8-annotations
+mypy-init-return = true
+suppress-none-returning = true
+suppress-dummy-args = true
+allow-untyped-defs = true
+
+
+[tool.pytype]
+exclude = [
+    "aiosmtpd/docs/_exts/*",
+    "_dump/*",
+    "aiosmtpd.egg-info/*",
+    "build/*",
+    "dist/*",
+    "Lib/*",
+    "Scripts/*",
+]
+disable = [
+    "not-supported-yet",
+]

release.py

@@ -28,8 +28,12 @@
     f"dist/aiosmtpd-{ver_str}-py3-none-any.whl",
 ]
 
+RELEASE_TOOLKIT = ["setuptools", "wheel", "twine", "build"]
+
 printfl("Updating release toolkit first...", end="")
-run_hidden([sys.executable] + shlex.split("-m pip install -U setuptools wheel twine"))
+run_hidden(
+    [sys.executable] + shlex.split("-m pip install -U") + RELEASE_TOOLKIT
+)
 print()
 
 printfl("Checking extra toolkit...", end="")
@@ -91,10 +95,12 @@
 
 try:
     # Let's use *this* python to build, please
-    print("### setup.py sdist")
-    subprocess.run([sys.executable, "setup.py", "sdist"], check=True)
-    print("### setup.py sdist")
-    subprocess.run([sys.executable, "setup.py", "bdist_wheel"], check=True)
+    # print("### setup.py sdist")
+    # subprocess.run([sys.executable, "setup.py", "sdist"], check=True)
+    # print("### setup.py sdist")
+    # subprocess.run([sys.executable, "setup.py", "bdist_wheel"], check=True)
+    print("### build (sdist and wheel")
+    subprocess.run([sys.executable, "-m", "build"])
     for f in DISTFILES:
         assert Path(f).exists(), f"{f} is missing!"
 
@@ -116,7 +122,7 @@
 if has_verify:
     print("Waiting for package to be received by PyPI...", end="")
     for i in range(10, 0, -1):
-        printfl(i, end="..")
+        printfl(i, end="..", flush=True)
         time.sleep(1.0)
     print()
     twine_verif = ["twine", "verify_upload"] + DISTFILES