Typing (#128)

* fix: CI yml name

* add: mypy configuraion

* add: type annotation to waybackpy modules

* add: type annotation to test modules

* fix: mypy command

* add: types-requests to dev deps

* fix: disable max-line-length

* fix: move pytest.ini into setup.cfg

* add: urllib3 to deps

* fix: Retry (ref: https://github.com/python/typeshed/issues/6893)

* fix: f-string

* fix: shorten long lines

* add: staticmethod decorator to no-self-use methods

* fix: str(headers)->headers_str

* fix: error message

* fix: revert "str(headers)->headers_str" and ignore assignment CaseInsensitiveDict with str

* fix: mypy error

setup.cfg

@@ -42,6 +42,7 @@ python_requires = >= 3.7
 install_requires =
     click
     requests
+    urllib3
 
 [options.extras_require]
 dev =
@@ -52,7 +53,7 @@ dev =
     pytest
     pytest-cov
     setuptools>=46.4.0
-
+    types-requests
 
 [options.entry_points]
 console_scripts =
@@ -64,4 +65,26 @@ profile = black
 [flake8]
 indent-size = 4
 max-line-length = 88
-extend-ignore = E203,W503,E501,W605
+extend-ignore = W605
+
+[mypy]
+python_version = 3.9
+show_error_codes = True
+pretty = True
+strict = True
+
+[tool:pytest]
+addopts =
+    # show summary of all tests that did not pass
+    -ra
+    # enable all warnings
+    -Wd
+    # coverage and html report
+    --cov=waybackpy
+    --cov-report=html
+testpaths =
+    tests
+
+[pycodestyle]
+# for `license` and `filter in `waybackpy.cli.main`
+ignore = W0622