Move setup.cfg contents to other files

pyproject.toml

@@ -58,9 +58,24 @@ include = [
     "/test",
     "CHANGELOG.*",
     "CONTRIBUTORS.*",
-    "setup.cfg",
     "tox.ini",
 ]
 
 [tool.hatch.envs.default]
 python = "3"
+
+[mypy]
+allow_incomplete_defs = false
+allow_untyped_defs = false
+ignore_missing_imports = false
+# <https://github.com/python/mypy/issues/7773>:
+no_implicit_optional = true
+implicit_reexport = false
+local_partial_types = true
+pretty = true
+show_error_codes = true
+show_traceback = true
+strict_equality = true
+warn_redundant_casts = true
+warn_return_any = true
+warn_unreachable = true

tox.ini

@@ -25,3 +25,21 @@ deps =
     types-requests
 commands =
     mypy src
+
+[flake8]
+doctests = True
+extend-exclude = build/,dist/,test/data,venv/
+max-doc-length = 100
+max-line-length = 80
+unused-arguments-ignore-stub-functions = True
+extend-select = B901,B902,B950
+ignore = A003,B005,E203,E262,E266,E501,U101,W503
+
+[isort]
+atomic = True
+force_sort_within_sections = True
+honor_noqa = True
+lines_between_sections = 0
+profile = black
+reverse_relative = True
+sort_relative_in_force_sorted_sections = True