Adding delete_project CLI helper.

Author: AlexisWilke

cli/delete_project.py

@@ -0,0 +1,39 @@
+#!/usr/bin/env python3
+# coding=utf-8
+# PYTHON_ARGCOMPLETE_OK
+
+import sys
+from argparse import ArgumentParser
+
+# Allow this script to be used from the parent directory
+sys.path.append(".")
+
+from app import db
+from app.models import Project
+
+
+def main():
+    # Parse arguments
+    argument_parser = ArgumentParser(description="Delete a project.")
+    argument_parser.add_argument(
+        "--project", type=str, required=True,
+        help="The name of the project to delete."
+    )
+    arguments = argument_parser.parse_args()
+
+    # Find that project
+    project_query = Project.query.filter(Project.name == arguments.project)
+    if project_query.count() == 0:
+        print(f"Project '{arguments.project}' does not exist", file=sys.stderr)
+        exit(1)
+
+    # Delete the project from the DB
+    db.session.delete(project_query.first())
+    db.session.commit()
+
+    print(f"Project '{arguments.project}' deleted successfully.")
+    exit(0)
+
+
+if __name__ == "__main__":
+    main()