Fix-project-export (#2062)

* Fix project export error when no project QP

* Add traceback

Author: okorach

sonar/projects.py

@@ -30,6 +30,7 @@
 import json
 import concurrent.futures
 from datetime import datetime
+import traceback
 
 from typing import Optional, Union
 from http import HTTPStatus
@@ -1042,6 +1043,7 @@ def export(self, export_settings: types.ConfigSettings, settings_list: Optional[
             json_data["settings"] = [s.to_json() for s in settings_dict.values() if with_inherited or not s.inherited and s.key != "visibility"]
 
         except Exception as e:
+            traceback.print_exc()
             util.handle_error(e, f"exporting {str(self)}, export of this project interrupted", catch_all=True)
             json_data["error"] = f"{util.error_msg(e)} while exporting project"
         log.debug("Exporting %s done, returning %s", str(self), util.json_dump(json_data))

sonar/utilities.py

@@ -732,6 +732,8 @@ def dict_remap_and_stringify(original_dict: dict[str, str], remapping: dict[str,
 
 def list_to_dict(original_list: list[dict[str, Any]], key_field: str) -> dict[str, any]:
     """Converts a list to dict with list key_field as dict key"""
+    if original_list is None:
+        return original_list
     converted_dict = {elem[key_field]: elem for elem in original_list}
     for e in converted_dict.values():
         e.pop(key_field)
@@ -740,7 +742,7 @@ def list_to_dict(original_list: list[dict[str, Any]], key_field: str) -> dict[st
 
 def dict_to_list(original_dict: dict[str, Any], key_field: str, value_field: Optional[str] = "value") -> list[str, any]:
     """Converts a dict to list adding dict key in list key_field"""
-    if isinstance(original_dict, list):
+    if original_dict is None or isinstance(original_dict, list):
         return original_dict
     return [{key_field: key, value_field: elem} if not isinstance(elem, dict) else {key_field: key, **elem} for key, elem in original_dict.items()]