Update CI config

Pipfile

@@ -4,7 +4,7 @@ verify_ssl = true
 name = "pypi"
 
 [dev-packages]
-black = "==19.10b0"
+black = "==20.8b1"
 flake8 = "*" #"~=3.5"
 flake8-bugbear = "*" # "~=18.2"
 flake8-quotes = "*" # "~=1.0"
@@ -18,12 +18,12 @@ tox = "*"
 [packages]
 GitPython = "*"
 PyGithub = "*"
-PyYAML = "~=5.2"
+PyYAML = "*"  # "~=5.2"
 semantic_version = "*"
 setuptools = ">=42.0"
 snazzy = "*"
 toml = "*"
-twine = "~=3.2"
+twine = "*"  # "~=3.2"
 wheel = "*"
 
 [requires]

pyproject.toml

@@ -22,3 +22,7 @@ exclude = '''
 # See https://black.readthedocs.io/en/stable/compatible_configs.html
 profile = "black"
 src_paths = ["yabs", "tests"]
+
+# [tool.flake8]
+# Flake8 currently does not support pyproject.toml.
+# See [flake8] section in setup.cfg instead.

setup.cfg

@@ -76,3 +76,56 @@ exclude =
 [options.entry_points]
 console_scripts =
     yabs = yabs.cli:run
+
+# --- Alternative to pytest.ini ---------------------------------------------
+[tool:pytest]
+# Silence `PytestDeprecationWarning`
+junit_family = legacy
+; testpaths =
+;     tests
+;     src
+
+# --- Flake8 Settings ----------------------------------------------------------
+
+[flake8]
+# G: enable 'flake8-logging-format'
+enable-extensions = G
+
+exclude =
+    __pycache__,
+    .cache,
+    .eggs,
+    .git,
+    .tox,
+    .vscode,
+    build,
+    dist,
+    docs
+
+max-line-length = 99
+# max-line-length = 88
+
+# 'mccabe' plugin:
+# max-complexity = 12
+
+# max-annotations-complexity = 10
+# max-expression-complexity = 10
+
+# Ignore some errors that may be created by Black:
+#   - E203 whitespace before ':'
+#   - E501 line too long
+#   - W503 line break before binary operator
+#   - P101 format string does contain unindexed parameters
+ignore = E203, E501, W503, P101
+
+# Instead of strict E501, enable B950 for relaxed line length checking (and other bugbear warnings)
+# select = B,C,D,E,F,I,N,P,PT,Q,S,T,W,B9
+
+#
+docstring-convention = all  # google?
+
+# Options for the flake8-quotes extension:
+inline-quotes = double
+multiline-quotes = """
+docstring-quotes = """
+avoid-escape = True