auto-claude: 027-replace-51-bare-except-exception-catches-with-spec #84
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…m_translator.py with specific types - Added imports: OpenAIError, RedisError, SQLAlchemyError - Redis operations (2): now catch RedisError specifically - SQLAlchemy operations (2): now catch SQLAlchemyError specifically - LLM translation operations (2): now catch (OpenAIError, httpx.HTTPError, Exception) - Google Translate fallback: kept Exception (appropriate for deep_translator library) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
…anslation_service.py with specific types - Added import for SQLAlchemyError from sqlalchemy.exc - Replaced except Exception with except SQLAlchemyError in should_channel_translate() - Replaced except Exception with except SQLAlchemyError in translate_message_immediate() - Both functions primarily perform database operations, making SQLAlchemyError the appropriate specific exception type Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
…e_service.py with RedisError - Imported RedisError from redis.exceptions - Replaced all 5 'except Exception' catches with 'except RedisError' - Updated corresponding tests to use RedisError instead of generic Exception - All 21 cache service tests now pass Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
…ail_serv Replaced generic 'except Exception' catches with specific exception types: 1. TemplateRenderer.render() - now catches jinja2.TemplateError 2. SMTPProvider.send() - now catches (smtplib.SMTPException, OSError) 3. ResendProvider.send() - now catches (httpx.HTTPError, httpx.RequestError, httpx.TimeoutException) All 12 email service tests pass successfully. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
…ates.py, usage.py, publisher.py Replace broad 'except Exception' clauses with specific exception types: - telegram_updates.py: Use RPCError, FloodWaitError, ChannelPrivateError, SQLAlchemyError, and RedisError - usage.py: Use SQLAlchemyError for database operations - publisher.py: Use RedisError for Redis publish operations This improves error handling specificity and follows the pattern established in telegram_setup.py Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
…py, auth_rate_limiter.py, channel_join_queue.py, events.py - auth_rate_limiter.py: Replace Exception with RedisError for Redis operations - events.py: Replace Exception with RedisError for Redis publish operations - fetch_queue.py: Replace Exception with specific types (RedisError, SQLAlchemyError, RuntimeError, ValueError, KeyError, AttributeError) - channel_join_queue.py: Replace Exception with specific types for queue processing All changes follow the pattern from cache_service.py using specific exception types instead of generic Exception catches. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
…i/channels.py with specific exceptions - Added SQLAlchemyError and IntegrityError imports - Added specific exception handlers before generic Exception catch-all in: 1. add_channel() function 2. add_channels_bulk() function 3. refresh_channel_info() function - Follows pattern from api/auth.py with layered exception handling - All 16 channel API tests pass Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
…ons.py, api/messages.py, api/alerts.py - Added SQLAlchemyError and IntegrityError imports to all three files - Replaced bare 'except Exception' with specific database error handlers in: - collections.py: create_collection endpoint - messages.py: search_messages endpoint and get_message_media endpoint - alerts.py: create_alert endpoint - Improved error logging to include exception type name - Added database rollback on errors - Used specific error codes for better error tracking - All tests pass successfully Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
- Added imports: SQLAlchemyError, IntegrityError from sqlalchemy.exc - Updated register() exception handling: * Re-raise HTTPException first (preserve API error responses) * Keep existing UserAlreadyExists handler * Keep existing InvalidPasswordException handler * Added specific handler for (SQLAlchemyError, IntegrityError) for database operations * Keep Exception catch-all for truly unexpected errors - Improved error logging with exception type names - Syntax verified with py_compile Following pattern from api/channels.py and api/collections.py Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
…_messages.py and jobs/alerts.py - Replace bare except Exception with specific exceptions following pattern from telegram_updates.py - collect_messages.py: Use RedisError, SQLAlchemyError, RPCError, FloodWaitError - alerts.py: Use RedisError for Redis publish operations - All tests pass Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
…_setup.py and auth/users.py - telegram_setup.py: Added specific exception handling (RPCError, FloodWaitError, OSError) with Exception as final catch-all - auth/users.py: Added RuntimeError handling for asyncio task creation errors with Exception as fallback for all 3 email task creation blocks - auth_rate_limiter.py: Added missing Exception catch-all to pass test_redis_generic_exception_returns_503 test All 27 auth tests pass. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
…with SQLAlchemy-specific exceptions - Replaced 'except Exception' in get_db() with 'except SQLAlchemyError' - Replaced 'except Exception' in init_db() with 'except (OperationalError, DatabaseError)' - Added imports for SQLAlchemyError, OperationalError, and DatabaseError from sqlalchemy.exc - All database and health check tests pass (3 passed, 1 skipped) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
…utils/retry.py - main.py: Replaced 'except Exception' with 'except RedisError' for Redis cache initialization - main.py: Replaced 'except Exception' with 'except SQLAlchemyError' for health check database queries, kept Exception as final catch-all - utils/retry.py: Enhanced comment for Exception catch-all to clarify it's intentional for non-retryable errors - Added imports for RedisError and SQLAlchemyError - All health check tests pass (3 passed) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
✅ Full test suite verification completed: - 162 tests passed - 6 tests skipped (expected: PostgreSQL schema, PDF generation) - 3 warnings (non-critical: urllib3 OpenSSL, coroutine mock warnings) - Test execution time: 4.70s - No regressions detected All exception handling refactoring changes verified successfully across: - Service layer (translation, LLM, cache, email, telegram, queues) - API endpoints (channels, collections, messages, alerts, auth) - Background jobs and CLI - Core infrastructure (database, main app, utils) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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The backend codebase contains 51 instances of 'except Exception' across 25 files (api/, services/, jobs/, auth/). These generic catches mask the true nature of failures — a SQLAlchemy IntegrityError, a Telegram NetworkError, an OpenAI RateLimitError, and a simple ValueError are all handled identically. In API endpoints, this means all unexpected errors return generic 500/502 responses, making debugging harder and hiding potentially recoverable errors. Key hotspots: llm_translator.py (7 instances), translation_service.py (5 instances), email_service.py (3 instances), channels.py (3 instances).