Refac NASA service and test impl (graphite-agent)#1
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Review Summary by QodoRefactor Lambda function architecture with modular services and comprehensive testing
WalkthroughsDescription• Refactored Lambda function into modular LambdaManager class with clear separation of concerns • Extracted custom exceptions to dedicated models/exceptions.py module for better organization • Created NasaService wrapper for NASA API interactions with improved error handling • Introduced MigrationRepository for database migration queries with parameterized SQL • Added unit tests for Lambda handler with mocked dependencies • Improved response formatting with LambdaResponseFormatter utility class • Updated documentation with testing instructions and code review guidelines Diagramflowchart LR
A["lambda_handler"] --> B["LambdaManager"]
B --> C["SecretsManagerWrapper"]
B --> D["ApiGatewayEvent"]
B --> E["NasaService"]
B --> F["MigrationRepository"]
E --> G["ExternalApiService"]
F --> H["MysqlDriver"]
B --> I["LambdaResponseFormatter"]
I --> J["DateTimeEncoder"]
File Changes1. lambda_function.py
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Code Review by Qodo
1. Stacktrace leaks to clients
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| if settings.lambda_log_level == "DEBUG": | ||
| error_body["error"]["stacktrace"] = traceback.format_exc() | ||
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| logger.error(f"Error {error_type.name}: {message} (Request ID: {request_id})") | ||
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| class DateTimeEncoder(json.JSONEncoder): | ||
| """ | ||
| Custom JSON encoder to handle date and datetime objects. | ||
| return { | ||
| "statusCode": error_type.code, | ||
| "headers": { | ||
| "Content-Type": "application/json", | ||
| "X-Request-ID": request_id, | ||
| }, | ||
| "body": json.dumps(error_body, cls=DateTimeEncoder), | ||
| } |
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1. Stacktrace leaks to clients 🐞 Bug ⛨ Security
Error responses may include full Python stack traces in the HTTP body when settings.lambda_log_level == "DEBUG"; since the default is DEBUG, this can unintentionally expose internal details to external callers.
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## Issue description
`LambdaResponseFormatter.error()` may include `traceback.format_exc()` in the HTTP response when `settings.lambda_log_level == "DEBUG"`. Because the default config sets `lambda_log_level` to `DEBUG`, callers can receive internal stack traces, which is a security risk.
## Issue Context
The logger level and whether to return stack traces to clients are different concerns. You can keep DEBUG logging while still never returning stack traces to the API caller.
## Fix Focus Areas
- lambda_function.py[60-92]
- utils/config.py[12-22]
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| from datetime import date | ||
| from typing import Any, Dict, Optional | ||
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| from requests.exceptions import RequestException | ||
| from requests.models import HTTPError | ||
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| from models.response import NasaApiResponse | ||
| from services.rest_api import ExternalApiService | ||
| from utils.logger import configure_logger |
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2. Unused imports break ci lint 🐞 Bug ⛯ Reliability
New files introduce unused imports that will fail the repo’s Ruff lint job (F401), blocking merges.
Agent Prompt
## Issue description
Ruff runs in CI with pyflakes (`F`) enabled and will fail on unused imports in newly added files.
## Issue Context
These are straightforward F401 violations and will block merges because the workflow runs `ruff check`.
## Fix Focus Areas
- services/nasa.py[1-9]
- services/migrations.py[1-6]
- tests/test_lambda_function.py[1-6]
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