Refactor OpenAPI fetcher for improved clarity and robustness

Reorganized and enhanced the OpenAPI fetch logic for better maintainability and error handling. Key updates include improved environment variable validation, more detailed error messages, streamlined configuration loading, and additional safety checks for file paths and directories. Added proper logging and ensured the process flow is easy to trace.

.gitlab-ci.yml

@@ -63,6 +63,8 @@ release:
     - echo "Setting up Python dependencies..."
     - source $VIRTUAL_ENV/bin/activate
     - pip install -r requirements.txt
+    - rm -f openapi.json || true
+    - rm -rf python-client || true
     - bash make_openapi_client.sh        # Generate OpenAPI client and package
     - ls backend/python-client/dist/     # Debug artifacts to ensure files exist
     - twine upload --repository-url ${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/packages/pypi backend/python-client/dist/*

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "aareDB"
-version = "0.1.0a6"
+version = "0.1.0a7"
 description = "Backend for next gen sample management system"
 authors = [{name = "Guillaume Gotthard", email = "guillaume.gotthard@psi.ch"}]
 license = {text = "MIT"}