vamseeachanta Error Handling
Error Handling
Common Errors
| Error | Cause | Solution |
|---|---|---|
UnicodeDecodeError |
Wrong encoding | Use DataReader with encoding fallback |
KeyError |
Missing column | Check column names in config |
ValueError |
Type conversion failed | Use errors='coerce' or validate first |
MemoryError |
File too large | Use chunked reading |
FileNotFoundError |
Input file missing | Verify file path |
Error Template
def safe_pipeline_run(config: PipelineConfig) -> dict:
"""Run pipeline with comprehensive error handling."""
try:
# Validate input exists
if not Path(config.input_path).exists():
return {'status': 'error', 'stage': 'input', 'message': 'File not found'}
pipeline = DataPipeline(config)
return pipeline.run()
*See sub-skills for full details.*