Fix docs

{{cookiecutter.project_slug}}/.gitignore

@@ -11,6 +11,7 @@ dist
 
 # Documentation
 docs/source/source_documentation
+!docs/source/source_documentation/index.rst
 docs/build
 
 # Setuptools SCM

{{cookiecutter.project_slug}}/docs/cleanup.py

+#!/usr/bin/env python3
+
+#  Copyright (C) 2023 ASTRON (Netherlands Institute for Radio Astronomy)
+#  SPDX-License-Identifier: Apache-2.0
+
+import os
+
+file_dir = os.path.dirname(os.path.realpath(__file__))
+
+clean_dir = os.path.join(file_dir, "source", "source_documentation")
+print(f"Cleaning.. {clean_dir}/*")
+
+if not os.path.exists(clean_dir):
+    exit()
+
+for file_name in os.listdir(clean_dir):
+    file = os.path.join(clean_dir, file_name)
+    
+    if file_name == "index.rst":
+        continue
+
+    print(f"Removing.. {file}")
+    os.remove(file)

{{cookiecutter.project_slug}}/docs/cleanup.sh

-#!/bin/sh
-
-FILE_DIR=$(dirname -- "$(readlink -f -- "${0}")")
-
-echo "Cleaning.. ${FILE_DIR}/source/source_documentation/*"
-
-for f in "${FILE_DIR}"/source/source_documentation/*
-do
-
-  case $f in
-    */index.rst) true;;
-    *) echo "Removing.. ${f}"; rm "${f}";;
-  esac
-done

{{cookiecutter.project_slug}}/tox.ini

@@ -41,8 +41,6 @@ commands =
     format: {envpython} -m black -v {{cookiecutter.project_slug}} tests
 
 [testenv:docs]
-allowlist_externals =
-    sh
 ; unset LC_ALL / LANGUAGE from testenv, would fail sphinx otherwise
 setenv =
 deps =
@@ -50,7 +48,7 @@ deps =
     -r{toxinidir}/docs/requirements.txt
 changedir = {toxinidir}
 commands =
-    sh docs/cleanup.sh
+    {envpython} docs/cleanup.py
     sphinx-build -b html docs/source docs/build/html
 
 [testenv:build]