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fix: show the export output when a TensorRT export fails #134

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fix: show the export output when a TensorRT export fails #134

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9 changes: 7 additions & 2 deletions application/utils/tensorrt_compiler.py
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Original file line number Diff line number Diff line change
Expand Up @@ -429,7 +429,8 @@ def compile_yolo_to_tensorrt(
stdout, stderr = self._run_export_subprocess(export_script, pt_model_path, output_dir)

if self._export_process.returncode != 0:
raise TensorRTCompilerError(f"Export failed: {stderr}")
# stderr is always empty (merged into stdout via stderr=STDOUT)
raise TensorRTCompilerError(f"Export failed: {stdout}")

try:
# Try to find JSON in the output (may be mixed with other text)
Expand All @@ -439,7 +440,11 @@ def compile_yolo_to_tensorrt(
json_str = stdout[json_start:json_end]
result = json.loads(json_str)
if not result.get('success'):
raise TensorRTCompilerError(f"Export failed: {result.get('error', 'Unknown error')}")
error_msg = result.get('error', 'Unknown error')
tb = result.get('traceback', '')
if tb:
error_msg = f"{error_msg}\n\nTraceback:\n{tb}"
raise TensorRTCompilerError(f"Export failed: {error_msg}")

# Move the created engine file to the expected location
created_engine = result.get('engine_file')
Expand Down