Add python project documentation generator class

docs/CHANGELOG.md

@@ -6,4 +6,5 @@
 
 - Add class for existing directories
 - Add function to format a list human-readable
-- Add function to assert that an object is an instance of a specific type
+- Add function to assert that an object is an instance of a specific type
+- Add python project documentation generator class

src/jcloud_docsgen/core.py

@@ -0,0 +1,36 @@
+# Copyright 2026 jCloud Services GbR
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+
+#     http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from .utils import ExistingDirectory, assert_that_is_instance
+
+__all__ = [
+    'PythonDocumentationGenerator'
+]
+
+class PythonDocumentationGenerator:
+    '''
+    The class for the documentation generator.
+
+    :param project_directory: The directory of the project.
+    :type project_directory: ExistingDirectory
+    :param docs_directory: The directory for the generated documentation.
+    :type docs_directory: ExistingDirectory
+    '''
+
+    def __init__(self, project_directory: ExistingDirectory, docs_directory: ExistingDirectory) -> None:
+        assert_that_is_instance(project_directory, ExistingDirectory)
+        assert_that_is_instance(docs_directory, ExistingDirectory)
+
+        self.project_directory = project_directory
+        self.docs_directory = docs_directory