Update noxfile.py for lint and code_coverage session (#135)

* fix linting errors

* Add type hints

* Update python version

* Implement code_coverage on noxfile.py

* fix linting error

* Update pytest to 7.3.1

* Update CONTRIBUTING.md

CONTRIBUTING.md

@@ -62,6 +62,11 @@ You can follow the instructions in the [README](https://github.com/alec-kr/F1PyS
 By Default, Nox deletes and recreates virtualenvs every time it is run. If -R option is
 specified, reuse virtualenvs and skip re-installation of packages.
 
+linting check:
+```
+$ poetry run nox -s lint
+```
+
 Static type check:
 ```
 $ poetry run nox -s mypy 

docs/conf.py

@@ -7,11 +7,14 @@
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#project-information
 """Sphinx configuration."""
 
-import toml
+
 import os
 from typing import List
 
-metadata = toml.load(os.path.join(os.path.dirname(__file__), '..', 'pyproject.toml'))["tool"]["poetry"]
+import toml
+
+pyproject_path = os.path.join(os.path.dirname(__file__), '..', 'pyproject.toml')
+metadata = toml.load(pyproject_path)["tool"]["poetry"]
 
 project = "F1PyStats"
 author = ",".join(metadata["authors"])
@@ -27,13 +30,12 @@
     "sphinx_autodoc_typehints",
 ]
 
-#templates_path = ['_templates']
-exclude_patterns = [] # type: List[str]
-
+# templates_path = ['_templates']
+exclude_patterns = []  # type: List[str]
 
 
 # -- Options for HTML output -------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-html-output
 
 html_theme = 'furo'
-#html_static_path = ['_static']
+# html_static_path = ['_static']

noxfile.py

@@ -1,10 +1,13 @@
+"""Nox sessoins."""
+from nox_poetry import Session
 from nox_poetry import session
 
 locations = "f1pystats", "tests", "noxfile.py", "docs/conf.py"
+python_versions = ['3.9', '3.10', '3.11']
 
 
-@session(python=['3.8'])
-def lint(session) -> None:
+@session(python=python_versions[-1])
+def lint(session: Session) -> None:
     """Runs linting for the package."""
     args = session.posargs or locations
     session.install("flake8",
@@ -17,36 +20,40 @@ def lint(session) -> None:
     session.run("flake8", *args)
 
 
-@session
-def mypy(session) -> None:
+@session(python=python_versions)
+def mypy(session: Session) -> None:
     """Runs type checking the package."""
     args = session.posargs or locations
     session.install("mypy",
                     "types-requests",
                     "numpy",
-                    "pytest",                    
+                    "pytest",
                     "nox_poetry",
-                    "types-toml")    
+                    "types-toml")
     session.run("mypy", *args)
 
 
-@session(python=['3.9', '3.10', '3.11'])
-def tests(session) -> None:
+@session(python=python_versions)
+def tests(session: Session) -> None:
     """Run all tests."""
     session.install("pytest",
                     "requests",
                     "pandas")
     session.run("pytest")
 
 
-@session(python='3.8')
-def code_coverage(session) -> None:
+@session(python=python_versions[-1])
+def code_coverage(session: Session) -> None:
     """Run package coverage."""
-    pass
+    session.install("pytest",
+                    "pytest-cov",
+                    "requests",
+                    "pandas")
+    session.run("pytest", "--cov", "--cov-report=lcov")
 
 
-@session
-def docs(session) -> None:
+@session(python=python_versions[-1])
+def docs(session: Session) -> None:
     """Build the documentation."""
     session.install("sphinx",
                     "sphinx-autodoc-typehints",