Module template retrofit: Update Python project metadata and tool configuration (#146)

Author: reivilibre

pyproject.toml

@@ -2,6 +2,13 @@
 requires = ["setuptools>=39.2.0", "wheel"]
 build-backend = "setuptools.build_meta"
 
+[tool.isort]
+profile = "black"
+known_first_party = [
+    "ldap_auth_provider",
+    "tests"
+]
+
 [tool.check-manifest]
 ignore = [
     "scripts-dev/lint.sh"

setup.cfg

@@ -14,9 +14,35 @@ install_requires =
     Twisted>=15.1.0
     ldap3>=2.8
     service_identity
+
 py_modules = ldap_auth_provider
 
+# TODO We can't enable this until we remove the BuildKite CI, which currently
+#      uses Python 3.5 for tests.
+#python_requires = >= 3.7
+
+[options.extras_require]
+dev =
+  # for tests
+  matrix-synapse
+  tox
+
+  # for type checking
+  mypy == 0.910
+  types-mock
+  types-setuptools
+
+  # for linting
+  black == 21.9b0
+  flake8 == 4.0.1
+  isort == 5.9.3
+
 [flake8]
-max-line-length = 90
-#  W503 requires that binary operators be at the end, not start, of lines. Erik doesn't like it.
-ignore = W503
+# see https://pycodestyle.readthedocs.io/en/latest/intro.html#error-codes
+# for error codes. The ones we ignore are:
+#  W503: line break before binary operator
+#  W504: line break after binary operator
+#  E203: whitespace before ':' (which is contrary to pep8?)
+#  E501: Line too long (black enforces this for us)
+# (this is a subset of those ignored in Synapse)
+ignore=W503,W504,E203,E501