fix: Use .get() with defaults in report_template.py to prevent KeyError crashes

[Devguru-codes]

render_report_html crashes with KeyError because it directly accesses keys that may not exist in the processor output. Three issues fixed:

Fix

-    params_html = "".join(f"<tr>..." for k, v in data["asl_parameters"])
-    missing_html = "".join(f"<li>..." for param in data["missing_parameters"])
+    asl_params = data.get("asl_parameters", [])
+    if isinstance(asl_params, dict):
+        asl_params = list(asl_params.items())
+    params_html = "".join(f"<tr>..." for k, v in asl_params)
+
+    missing = data.get("missing_parameters", data.get("missing_required_parameters", []))
+    if isinstance(missing, dict):
+        missing = list(missing.keys())
+    missing_html = "".join(f"<li>..." for param in missing)
+
+    basic_report = data.get("basic_report", "")
+    extended_report = data.get("extended_report", "")

File Changed

• apps/backend/app/utils/report_template.py

---

API/Processor Responses Comparison

main branch (before fix)

ATTEMPTING render_report_html(processor_output):
CRASHED — KeyError: 'missing_parameters'
>> VERDICT: Bug is PRESENT.

Report_Template_Fix branch (after fix)

ATTEMPTING render_report_html(processor_output):
SUCCESS — HTML rendered
>> VERDICT: Bug is FIXED.

---

Python Test Suite Results

main branch (before fix)

#	Test	Status	Detail
T1	Template renders with all keys present	PASS
T2	Handles absent 'missing_parameters'	FAIL	KeyError
T3	Handles absent 'basic_report'	FAIL	KeyError
T4	Works with processor output format	FAIL	KeyError

Summary: PASSED=1 FAILED=3

Report_Template_Fix branch (after fix)

#	Test	Status	Detail
T1	Template renders with all keys present	PASS
T2	Handles absent 'missing_parameters'	PASS
T3	Handles absent 'basic_report'	PASS
T4	Works with processor output format	PASS

Summary: PASSED=4 FAILED=0
Fixes #38