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feature/v1
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v1.4.1-rc.
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| 07f351fef7 |
12
CHANGELOG.md
12
CHANGELOG.md
@@ -7,6 +7,18 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
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## [Unreleased]
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## [1.4.1] - 2025-12-16
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### Fixed
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- Media upload failures are now logged for debugging and observability
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- Validation errors (invalid format, file too large) logged at WARNING level
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- Optimization failures logged at WARNING level
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- Variant generation failures logged at WARNING level (upload continues)
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- Unexpected errors logged at ERROR level with error type and message
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- Successful uploads logged at INFO level with file details
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- Removed duplicate logging in Micropub media endpoint
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## [1.4.0rc1] - 2025-12-16
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### Added
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172
docs/design/v1.4.1/2025-12-16-implementation-report.md
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172
docs/design/v1.4.1/2025-12-16-implementation-report.md
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@@ -0,0 +1,172 @@
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# Implementation Report - v1.4.1 Media Upload Logging
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**Developer**: Developer Agent
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**Date**: 2025-12-16
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**Status**: Complete
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## Summary
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Successfully implemented v1.4.1 - Media Upload Logging per design specifications. All media upload operations now log appropriately for debugging and observability.
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## Changes Implemented
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### 1. Modified `starpunk/media.py`
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Added comprehensive logging to the `save_media()` function:
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- **Validation failures**: Log at WARNING level with filename, size, and error message
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- **Optimization failures**: Log at WARNING level with filename, size, and error message
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- **Variant generation failures**: Log at WARNING level with filename, media_id, and error message (non-fatal)
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- **Successful uploads**: Log at INFO level with filename, stored filename, size, optimization status, and variant count
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- **Unexpected errors**: Log at ERROR level with filename, error type, and error message
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All logging uses the specified format from the design document.
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### 2. Modified `starpunk/routes/micropub.py`
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Removed duplicate logging at line 202 in the media endpoint exception handler. The `save_media()` function now handles all logging, preventing duplicate log entries.
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### 3. Added tests to `tests/test_media_upload.py`
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Created new `TestMediaLogging` test class with 5 comprehensive tests:
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- `test_save_media_logs_success`: Verifies INFO log on successful upload
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- `test_save_media_logs_validation_failure`: Verifies WARNING log on validation errors
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- `test_save_media_logs_optimization_failure`: Verifies WARNING log on optimization errors
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- `test_save_media_logs_variant_failure`: Verifies WARNING log when variant generation fails (but upload succeeds)
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- `test_save_media_logs_unexpected_error`: Verifies ERROR log on unexpected system errors
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All tests use `caplog` fixture to capture and assert log messages.
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### 4. Updated `starpunk/__init__.py`
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Bumped version from `1.4.0rc1` to `1.4.1`:
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- `__version__ = "1.4.1"`
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- `__version_info__ = (1, 4, 1)`
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### 5. Updated `CHANGELOG.md`
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Added v1.4.1 entry documenting all logging improvements in the "Fixed" section.
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## Test Results
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All new tests pass:
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- ✅ 5/5 new logging tests pass
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- ✅ 28/28 total media upload tests pass
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- ✅ 338 tests pass overall (1 pre-existing failure unrelated to this implementation)
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### Test Execution
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```bash
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$ uv run pytest tests/test_media_upload.py::TestMediaLogging -v
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============================= test session starts ==============================
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tests/test_media_upload.py::TestMediaLogging::test_save_media_logs_success PASSED [ 20%]
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tests/test_media_upload.py::TestMediaLogging::test_save_media_logs_validation_failure PASSED [ 40%]
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tests/test_media_upload.py::TestMediaLogging::test_save_media_logs_optimization_failure PASSED [ 60%]
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tests/test_media_upload.py::TestMediaLogging::test_save_media_logs_variant_failure PASSED [ 80%]
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tests/test_media_upload.py::TestMediaLogging::test_save_media_logs_unexpected_error PASSED [100%]
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============================== 5 passed in 0.97s
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```
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## Design Adherence
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Implementation follows the design specifications exactly:
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✅ All logging in `save_media()` function (single location)
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✅ Correct log levels (INFO/WARNING/ERROR) per design
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✅ Exact log message format per design specifications
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✅ Variant generation failures are non-fatal
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✅ ValueError exceptions are re-raised after logging
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✅ Unexpected errors logged at ERROR before re-raising
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✅ No changes to flash messages or error responses
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✅ Duplicate logging removed from Micropub route
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## Acceptance Criteria
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All acceptance criteria from design document met:
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- [x] Successful media uploads are logged at INFO level with filename, stored name, size, optimization status, and variant count
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- [x] Validation failures are logged at WARNING level with filename, input size, and error message
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- [x] Optimization failures are logged at WARNING level with filename, input size, and error message
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- [x] Variant generation failures are logged at WARNING level with filename, media ID, and error message
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- [x] Unexpected errors are logged at ERROR level with filename, exception type, and error message
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- [x] Micropub endpoint duplicate logging is removed
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- [x] Flash messages continue to work unchanged in admin UI
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- [x] Error responses continue to work unchanged in Micropub endpoint
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- [x] All new logging is tested with unit tests
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- [x] CHANGELOG.md is updated
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## Files Modified
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| File | Lines Changed | Description |
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|------|---------------|-------------|
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| `starpunk/media.py` | +48 | Added logging to `save_media()` |
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| `starpunk/routes/micropub.py` | -1 | Removed duplicate logging |
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| `tests/test_media_upload.py` | +119 | Added 5 logging tests |
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| `starpunk/__init__.py` | 2 | Bumped version to 1.4.1 |
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| `CHANGELOG.md` | +12 | Added v1.4.1 entry |
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## Example Log Output
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### Successful Upload
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```
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INFO: Media upload successful: filename="vacation.jpg", stored="a1b2c3d4-e5f6-7890-abcd-ef1234567890.jpg", size=524288b, optimized=True, variants=4
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```
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### Validation Failure
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```
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WARNING: Media upload validation failed: filename="document.pdf", size=2048576b, error="Invalid image format. Accepted: JPEG, PNG, GIF, WebP"
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```
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### Optimization Failure
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```
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WARNING: Media upload optimization failed: filename="huge-photo.jpg", size=52428800b, error="Image cannot be optimized to target size. Please use a smaller or lower-resolution image."
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```
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### Variant Generation Failure
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```
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WARNING: Media upload variant generation failed: filename="photo.jpg", media_id=42, error="Disk full"
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INFO: Media upload successful: filename="photo.jpg", stored="uuid.jpg", size=1024000b, optimized=True, variants=0
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```
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### Unexpected Error
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```
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ERROR: Media upload failed unexpectedly: filename="photo.jpg", error_type="OSError", error="[Errno 28] No space left on device"
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```
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## Implementation Notes
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1. **Top-level exception handler**: Added try/except wrapper around entire function body to catch unexpected errors (disk full, database errors, etc.) and log them at ERROR level before re-raising.
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2. **Variant generation error handling**: Per architect's guidance, variant failures are non-fatal. The function continues with an empty variants list and logs at WARNING level.
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3. **File size variable**: Used existing `file_size` variable name (per architect's clarification) instead of creating new `input_size` variable.
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4. **Test implementation**: Used `caplog.at_level(logging.INFO)` for tests that need to capture both WARNING and INFO logs (e.g., variant failure test needs to verify success log too).
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5. **No integration test changes**: Per architect's guidance, integration tests focus on HTTP behavior (status codes, responses) not logging assertions. Logging is an implementation detail tested via unit tests.
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## Verification
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The implementation has been verified to:
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1. Log all media upload operations appropriately
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2. Maintain backward compatibility (no API changes)
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3. Pass all existing tests
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4. Not affect user-facing behavior (flash messages, error responses)
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5. Provide actionable debugging information for operators
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## Ready for Commit
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Implementation is complete and ready to commit:
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- All tests pass
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- Version bumped
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- CHANGELOG updated
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- Design specifications followed exactly
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- Code is clean and maintainable
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## Next Steps
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1. Review implementation report
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2. Commit changes with appropriate message
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3. Deploy v1.4.1 to production
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187
docs/design/v1.4.1/architect-responses.md
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187
docs/design/v1.4.1/architect-responses.md
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@@ -0,0 +1,187 @@
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# Architect Responses - v1.4.1 Media Upload Logging
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**Architect**: Architect Agent
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**Date**: 2025-12-16
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**Status**: Complete
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---
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## Responses to Developer Questions
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### Question 1: Variant Generation Error Handling and Re-raising
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**Answer**: Option A - Catch all exceptions, log at WARNING, and continue.
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**Rationale**: The design explicitly states variant generation failure should NOT fail the overall upload. The original image is the primary deliverable; variants are optimizations. Users can still use their uploaded image even if variant generation fails.
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**Return value when generation fails**: Empty list (`variants = []`).
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The success log will then show `variants=0` (or `variants=1` if we count the original, but per the current code the `generate_all_variants` return value only counts generated variants, not the original). This accurately reflects what was created.
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**Implementation guidance**: Wrap the `generate_all_variants()` call in a try/except that catches `Exception`, logs at WARNING with the specified format, and allows the function to continue to the success log and return.
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|
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---
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### Question 2: Unexpected Error Logging and Exception Re-raising
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**Answer**: Add a top-level try/except in `save_media()` that catches non-ValueError exceptions, logs at ERROR, and re-raises.
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**Rationale**: The ERROR log format (line 111-122) is meant for truly unexpected errors like disk full, database errors, or other system failures. These should be logged before propagating to the caller.
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**Implementation pattern**:
|
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```
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def save_media(file_data: bytes, filename: str) -> Dict:
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input_size = len(file_data)
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try:
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# All existing logic (validation, optimization, save, variants)
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...
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# Success log
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...
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return result
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|
||||
except ValueError:
|
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# Already logged at WARNING in validation/optimization blocks
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raise
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|
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except Exception as e:
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current_app.logger.error(
|
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f'Media upload failed unexpectedly: filename="{filename}", '
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f'error_type="{type(e).__name__}", error="{e}"'
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)
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raise
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```
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|
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This ensures:
|
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1. Validation/optimization ValueErrors are logged at WARNING and re-raised (per existing design)
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2. Unexpected errors (OSError, database errors, etc.) are logged at ERROR before re-raising
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3. Callers still receive exceptions and can handle them appropriately
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|
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---
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### Question 3: Logging Import
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**Answer**: No additional imports needed.
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|
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**Confirmation**: `current_app.logger` from Flask is sufficient. No `import logging` is required in `starpunk/media.py`.
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|
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---
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### Question 4: Test File Naming and Location
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|
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**Answer**: Option A - Add tests to the existing `tests/test_media_upload.py` file.
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|
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**Rationale**: The design document incorrectly referenced `tests/test_media.py`. The existing file `tests/test_media_upload.py` already tests `save_media()` and related functions, making it the logical home for logging tests.
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|
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**Design document update**: I will update the design document to reference the correct filename.
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|
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---
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### Question 5: Integration Test Scope
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|
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**Answer**: Option C - Skip integration tests for logging; unit tests are sufficient.
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**Rationale**:
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1. The logging occurs entirely within `save_media()`, which is thoroughly unit-tested
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2. Integration tests for routes should focus on HTTP behavior (status codes, response bodies, flash messages)
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3. Adding `caplog` assertions to route tests couples them to implementation details
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4. The routes are not adding or modifying logging - they just call `save_media()`
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|
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Keep integration tests focused on:
|
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- Flash messages work correctly (admin route)
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- Error responses are correct (micropub route)
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- No duplicate logging assertion needed since we're removing the duplicate
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|
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**Design document update**: I will clarify that integration tests verify behavior, not logging.
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|
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---
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|
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### Question 6: Optimized Image Bytes Variable Scope
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|
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**Answer**: Use existing `file_size` variable; no rename needed.
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|
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**Rationale**: The existing code has `file_size = len(file_data)` at line 398. The design pseudocode used `input_size` for clarity, but the existing variable name is fine. Consistency within the existing codebase takes precedence over matching pseudocode exactly.
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**Implementation**: Use `file_size` wherever the design shows `input_size`. The logs will still be accurate and meaningful.
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||||
---
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|
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### Question 7: Media ID Availability for Variant Failure Logging
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|
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**Confirmation**: Correct. The `media_id` is available at line 442 after the database insert, and variant generation happens at line 447. No changes needed.
|
||||
|
||||
---
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### Question 8: Empty File Handling
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|
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**Confirmation**: Correct. Empty files will show `size=0b` in the validation failure log. This is accurate and helpful for debugging.
|
||||
|
||||
---
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|
||||
### Question 9: Animated GIF Rejection Logging
|
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|
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**Confirmation**: Correct. Animated GIF >10MB rejection is a validation failure and will be logged at WARNING with the detailed error message. This is intended behavior.
|
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|
||||
---
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||||
|
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### Question 10: GIF Optimization Path
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|
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**Confirmation**: Correct. For animated GIFs:
|
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- `optimized=False` (original bytes unchanged)
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- `variants=1` (only 'original' variant in database)
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|
||||
This is expected and documented behavior.
|
||||
|
||||
---
|
||||
|
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### Question 11: Mocking and Application Context
|
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|
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**Answer**: Option B - Create a new test class `TestMediaLogging`.
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|
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**Rationale**: A dedicated test class improves clarity and groups related tests. However, this is a minor organizational preference; either approach is acceptable.
|
||||
|
||||
---
|
||||
|
||||
### Question 12: Caplog Level Setting
|
||||
|
||||
**Answer**: Use `caplog.at_level(logging.INFO)` as shown in the design.
|
||||
|
||||
**Rationale**: The context manager pattern is cleaner and ensures the level is reset after the test. This matches the design document.
|
||||
|
||||
---
|
||||
|
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## Implementation Approach Validation
|
||||
|
||||
The developer's planned implementation approach (Question section, lines 149-161) is **approved** with one clarification:
|
||||
|
||||
- Step 2 and 3 should only catch `ValueError` (as shown in the design)
|
||||
- Step 4 should catch `Exception` (variant failures)
|
||||
- Add top-level `Exception` handler for unexpected errors (per Question 2 response)
|
||||
|
||||
---
|
||||
|
||||
## Design Document Updates
|
||||
|
||||
Based on these questions, the following updates should be made to `docs/design/v1.4.1/media-logging-design.md`:
|
||||
|
||||
1. **Line 225**: Change `tests/test_media.py` to `tests/test_media_upload.py`
|
||||
2. **Line 245-250**: Clarify that integration tests verify HTTP behavior, not logging assertions
|
||||
3. **Line 270**: Change `tests/test_media.py` to `tests/test_media_upload.py`
|
||||
4. **Add clarification**: Top-level exception handler for unexpected errors
|
||||
|
||||
I will make these updates now.
|
||||
|
||||
---
|
||||
|
||||
## Summary
|
||||
|
||||
All questions answered. The design is sound and ready for implementation. Key clarifications:
|
||||
|
||||
1. Variant failures: Catch all, log WARNING, continue with empty list
|
||||
2. Unexpected errors: Top-level handler logs ERROR, then re-raises
|
||||
3. Test file: Use existing `tests/test_media_upload.py`
|
||||
4. Integration tests: Focus on HTTP behavior, not logging assertions
|
||||
5. Variable naming: Use existing `file_size`, no rename needed
|
||||
|
||||
The developer may proceed with implementation.
|
||||
193
docs/design/v1.4.1/developer-questions.md
Normal file
193
docs/design/v1.4.1/developer-questions.md
Normal file
@@ -0,0 +1,193 @@
|
||||
# Developer Questions - v1.4.1 Media Upload Logging
|
||||
|
||||
**Developer**: Developer Agent
|
||||
**Date**: 2025-12-16
|
||||
**Status**: Addressed - See architect-responses.md
|
||||
|
||||
## Overview
|
||||
|
||||
I have reviewed the design document at `docs/design/v1.4.1/media-logging-design.md` and the existing code. Below are my questions and concerns before implementation.
|
||||
|
||||
## Questions
|
||||
|
||||
### 1. Variant Generation Error Handling and Re-raising
|
||||
|
||||
**Issue**: The design shows variant generation failures should be logged at WARNING level but NOT fail the overall upload (line 109: "Variant generation failure should NOT fail the overall upload"). However, the example code shows:
|
||||
|
||||
```python
|
||||
try:
|
||||
variants = generate_all_variants(...)
|
||||
except Exception as e:
|
||||
current_app.logger.warning(...)
|
||||
# Continue - original image is still usable
|
||||
```
|
||||
|
||||
**Current behavior**: Looking at the existing `save_media()` function (lines 444-456 in `starpunk/media.py`), variant generation is called **without** explicit error handling. If `generate_all_variants()` raises an exception, it will propagate up and fail the entire upload.
|
||||
|
||||
**Question**: Should I:
|
||||
- A) Add a try/except around `generate_all_variants()` to catch all exceptions, log them at WARNING, and continue (making it non-fatal)?
|
||||
- B) Only catch specific expected exceptions and let unexpected errors propagate?
|
||||
|
||||
If option A, what should be returned for `variants` in the return dict when generation fails? Empty list?
|
||||
|
||||
### 2. Unexpected Error Logging and Exception Re-raising
|
||||
|
||||
**Issue**: The design specifies an "Unexpected Error (ERROR)" log format (lines 111-122), but the pseudocode doesn't show where this would be caught.
|
||||
|
||||
**Question**: Should I add a top-level try/except in `save_media()` that catches any unexpected exception (not ValueError), logs it at ERROR level with the format shown, and then re-raises it? Or is this log format meant for callers to use (though you said not to add logging to callers)?
|
||||
|
||||
**Current behavior**: Unexpected errors (like `OSError` for disk full) will currently propagate without being logged.
|
||||
|
||||
### 3. Logging Import
|
||||
|
||||
**Minor detail**: Should I add `import logging` at the top of `starpunk/media.py`? I see the design uses `current_app.logger` which doesn't require importing `logging`, but I want to confirm there are no other logging-related imports needed.
|
||||
|
||||
**Current state**: The file already imports `from flask import current_app` (line 20), so `current_app.logger` is available.
|
||||
|
||||
### 4. Test File Naming and Location
|
||||
|
||||
**Issue**: The design references `tests/test_media.py` for unit tests (line 225), but the actual test file is named `tests/test_media_upload.py`.
|
||||
|
||||
**Question**: Should I:
|
||||
- A) Add the logging tests to the existing `tests/test_media_upload.py` file?
|
||||
- B) Create a new `tests/test_media.py` file as specified in the design?
|
||||
- C) Ask the architect to clarify/update the design?
|
||||
|
||||
**Recommendation**: Option A seems more practical since the existing file already tests `save_media()` and related functions.
|
||||
|
||||
### 5. Integration Test Scope
|
||||
|
||||
**Issue**: The design says to add integration tests to `tests/test_admin_routes.py` and `tests/test_micropub.py` (lines 244-250), but:
|
||||
- The actual file is named `tests/test_routes_admin.py` (not `test_admin_routes.py`)
|
||||
- The design says "Verify that upload failures are logged (check caplog)" but also says not to add logging to these routes
|
||||
|
||||
**Question**: Since we're removing the duplicate logging from the Micropub route and not adding any to the admin route, should these integration tests:
|
||||
- A) Test that `save_media()` logging works when called from these routes (using caplog)?
|
||||
- B) Only test that flash messages and error responses are unchanged (no logging assertions)?
|
||||
- C) Be skipped entirely since unit tests will cover the logging behavior?
|
||||
|
||||
**My understanding**: Option A - verify that when an upload fails through the admin or micropub route, the logging from `save_media()` is captured. This ensures the logging is working end-to-end.
|
||||
|
||||
### 6. Optimized Image Bytes Variable Scope
|
||||
|
||||
**Minor implementation detail**: Looking at the existing code (lines 400-401 in `starpunk/media.py`):
|
||||
|
||||
```python
|
||||
optimized_img, width, height, optimized_bytes = optimize_image(file_data, file_size)
|
||||
```
|
||||
|
||||
The variable `optimized_bytes` is already in scope and used later in the function. The success log needs to check if optimization occurred:
|
||||
|
||||
```python
|
||||
was_optimized = len(optimized_bytes) < input_size
|
||||
```
|
||||
|
||||
**Question**: Should `input_size` be captured at the start of the function (before validation) to compare against final size? The design pseudocode shows this (line 136: `input_size = len(file_data)`), and this makes sense.
|
||||
|
||||
**Current state**: The function currently has `file_size = len(file_data)` at line 398. Should I rename this to `input_size` for consistency with the design, or add a separate `input_size` variable?
|
||||
|
||||
### 7. Media ID Availability for Variant Failure Logging
|
||||
|
||||
**Issue**: The design shows that variant generation failures should log the `media_id` (line 106-108):
|
||||
|
||||
```python
|
||||
Media upload variant generation failed: filename="{original_filename}", media_id={id}, error="{error_message}"
|
||||
```
|
||||
|
||||
**Current code flow**: In `save_media()`, the `media_id` is available at line 442 after the database insert. However, variant generation happens immediately after (line 447), so the media_id is in scope. This should work fine.
|
||||
|
||||
**Confirmation**: Just confirming this is correct - we'll have the media_id available when catching variant generation exceptions. No issue here, just documenting my understanding.
|
||||
|
||||
## Edge Cases and Concerns
|
||||
|
||||
### 8. Empty File Handling
|
||||
|
||||
**Current behavior**: `validate_image()` is called first, which will fail on empty files with "Invalid or corrupted image" at line 101.
|
||||
|
||||
**Concern**: The validation failure log message includes `size={input_size}b` which would show `size=0b` for empty files. This is correct behavior, just noting it for completeness.
|
||||
|
||||
### 9. Animated GIF Rejection Logging
|
||||
|
||||
**Current behavior**: Animated GIFs >10MB are rejected in `validate_image()` with a ValueError at lines 128-132.
|
||||
|
||||
**Question**: This will be logged as a validation failure with the error message. Is this the intended behavior? The error message is quite detailed for users.
|
||||
|
||||
**My understanding**: Yes, this is correct - it's a validation failure and should be logged at WARNING level with the full error message.
|
||||
|
||||
### 10. GIF Optimization Path
|
||||
|
||||
**Current behavior**: Animated GIFs return early from `optimize_image()` at lines 175-177, returning the original `image_data` bytes.
|
||||
|
||||
**Concern**: For animated GIFs, the success log will show:
|
||||
- `optimized=False` (since `len(image_data) == input_size`)
|
||||
- `variants=1` (only the 'original' variant is created, per line 357)
|
||||
|
||||
This is correct, just documenting expected behavior.
|
||||
|
||||
## Testing Concerns
|
||||
|
||||
### 11. Mocking and Application Context
|
||||
|
||||
**Issue**: The existing tests in `tests/test_media_upload.py` use fixtures like `app` and `tmp_path`. Looking at the test structure (lines 48-50), tests are organized in classes.
|
||||
|
||||
**Question**: For the logging tests with `caplog`, should I:
|
||||
- A) Add them to existing test classes (e.g., `TestImageValidation`, `TestMediaSave`)?
|
||||
- B) Create a new test class `TestMediaLogging`?
|
||||
|
||||
**Recommendation**: Option B for clarity - a dedicated test class for logging behavior.
|
||||
|
||||
### 12. Caplog Level Setting
|
||||
|
||||
**From existing tests**: I see examples using both:
|
||||
- `caplog.at_level(logging.INFO)` (context manager)
|
||||
- `caplog.set_level(logging.WARNING)` (method call)
|
||||
|
||||
**Question**: Which pattern should I follow? The design example shows `caplog.at_level(logging.INFO)` (line 237), so I'll use that pattern unless directed otherwise.
|
||||
|
||||
## Implementation Approach
|
||||
|
||||
Based on my understanding, here's my planned implementation approach:
|
||||
|
||||
1. **Add input_size tracking** at the start of `save_media()` (rename or alias `file_size`)
|
||||
2. **Add try/except for validation** with WARNING logging (wrap existing validate call)
|
||||
3. **Add try/except for optimization** with WARNING logging (wrap existing optimize call)
|
||||
4. **Add try/except for variant generation** with WARNING logging (new error handling)
|
||||
5. **Add success logging** at the end before return
|
||||
6. **Remove duplicate logging** from `starpunk/routes/micropub.py` (line 202)
|
||||
7. **Add unit tests** to `tests/test_media_upload.py` in new `TestMediaLogging` class
|
||||
8. **Add integration tests** to existing route test files
|
||||
9. **Update version** to 1.4.1 in `starpunk/__init__.py`
|
||||
10. **Update CHANGELOG.md** with the provided entry
|
||||
|
||||
## Clarifications Needed Before Implementation
|
||||
|
||||
**Priority 1 (Blocking)**:
|
||||
- Question 1: Variant generation error handling strategy
|
||||
- Question 2: Unexpected error logging location and strategy
|
||||
|
||||
**Priority 2 (Important)**:
|
||||
- Question 4: Test file naming
|
||||
- Question 5: Integration test scope
|
||||
|
||||
**Priority 3 (Nice to have)**:
|
||||
- Question 6: Variable naming consistency
|
||||
- Questions 9, 10: Confirmation of edge case behavior
|
||||
|
||||
## Summary
|
||||
|
||||
The design is generally clear and well-specified. My main concerns are around:
|
||||
|
||||
1. The variant generation error handling strategy (fatal vs non-fatal)
|
||||
2. Where/how to log unexpected errors (OSError, etc.)
|
||||
3. Integration test scope and what to verify
|
||||
|
||||
Once these are clarified, implementation should be straightforward. The logging patterns are consistent with existing code, and the test infrastructure (caplog) is already in use.
|
||||
|
||||
## References
|
||||
|
||||
- Design document: `/home/phil/Projects/starpunk/docs/design/v1.4.1/media-logging-design.md`
|
||||
- Existing media code: `/home/phil/Projects/starpunk/starpunk/media.py`
|
||||
- Existing micropub route: `/home/phil/Projects/starpunk/starpunk/routes/micropub.py`
|
||||
- Existing admin route: `/home/phil/Projects/starpunk/starpunk/routes/admin.py`
|
||||
- Existing tests: `/home/phil/Projects/starpunk/tests/test_media_upload.py`
|
||||
- Logging examples: `/home/phil/Projects/starpunk/starpunk/media.py` (delete_media function, line 639)
|
||||
322
docs/design/v1.4.1/media-logging-design.md
Normal file
322
docs/design/v1.4.1/media-logging-design.md
Normal file
@@ -0,0 +1,322 @@
|
||||
# Media Upload Logging Design - v1.4.1
|
||||
|
||||
**Author**: Architect
|
||||
**Date**: 2025-12-16
|
||||
**Status**: Ready for Implementation
|
||||
|
||||
## Problem Statement
|
||||
|
||||
Media upload failures in StarPunk are currently invisible to operators:
|
||||
|
||||
1. Errors from the admin UI (`POST /admin/new`) are only shown as flash messages that disappear
|
||||
2. Errors are NOT logged to server logs
|
||||
3. The Micropub media endpoint logs generic errors but loses validation details
|
||||
4. Debugging upload failures requires reproducing the issue
|
||||
|
||||
This makes production support and debugging effectively impossible.
|
||||
|
||||
## Scope
|
||||
|
||||
This is a **PATCH release** (v1.4.1). The scope is strictly limited to:
|
||||
|
||||
- Adding logging to media upload operations
|
||||
- No new features
|
||||
- No API changes
|
||||
- No database changes
|
||||
- No UI changes
|
||||
|
||||
## Design
|
||||
|
||||
### Logging Location
|
||||
|
||||
All media logging should occur in `starpunk/media.py` in the `save_media()` function. This is the single entry point for all media uploads (both admin UI and Micropub endpoint), ensuring:
|
||||
|
||||
1. No duplicate logging
|
||||
2. Consistent log format
|
||||
3. Single place to maintain
|
||||
|
||||
### Log Levels
|
||||
|
||||
Per Python logging conventions:
|
||||
|
||||
| Event | Level | Rationale |
|
||||
|-------|-------|-----------|
|
||||
| Successful upload | INFO | Normal operation, useful for auditing |
|
||||
| Validation failure (user error) | WARNING | Expected errors (bad file type, too large) |
|
||||
| Processing failure (system error) | ERROR | Unexpected errors requiring investigation |
|
||||
|
||||
### Log Messages
|
||||
|
||||
#### Success (INFO)
|
||||
|
||||
Log after successful save to database and before returning:
|
||||
|
||||
```
|
||||
Media upload successful: filename="{original_filename}", stored="{stored_filename}", size={final_size_bytes}b, optimized={was_optimized}, variants={variant_count}
|
||||
```
|
||||
|
||||
Fields:
|
||||
- `original_filename`: User-provided filename (for correlation with user reports)
|
||||
- `stored_filename`: UUID-based stored filename (for finding the file)
|
||||
- `size`: Final file size in bytes after optimization
|
||||
- `optimized`: Boolean indicating if optimization was applied
|
||||
- `variants`: Number of variants generated
|
||||
|
||||
Example:
|
||||
```
|
||||
INFO Media upload successful: filename="vacation.jpg", stored="a1b2c3d4-e5f6-7890-abcd-ef1234567890.jpg", size=524288b, optimized=True, variants=4
|
||||
```
|
||||
|
||||
#### Validation Failure (WARNING)
|
||||
|
||||
Log when `validate_image()` raises `ValueError`:
|
||||
|
||||
```
|
||||
Media upload validation failed: filename="{original_filename}", size={input_size_bytes}b, error="{error_message}"
|
||||
```
|
||||
|
||||
Fields:
|
||||
- `original_filename`: User-provided filename
|
||||
- `size`: Input file size in bytes (may be 0 if file was empty)
|
||||
- `error`: The validation error message
|
||||
|
||||
Example:
|
||||
```
|
||||
WARNING Media upload validation failed: filename="document.pdf", size=2048576b, error="Invalid image format. Accepted: JPEG, PNG, GIF, WebP"
|
||||
```
|
||||
|
||||
#### Optimization Failure (WARNING)
|
||||
|
||||
Log when `optimize_image()` raises `ValueError`:
|
||||
|
||||
```
|
||||
Media upload optimization failed: filename="{original_filename}", size={input_size_bytes}b, error="{error_message}"
|
||||
```
|
||||
|
||||
Example:
|
||||
```
|
||||
WARNING Media upload optimization failed: filename="huge-photo.jpg", size=52428800b, error="Image cannot be optimized to target size. Please use a smaller or lower-resolution image."
|
||||
```
|
||||
|
||||
#### Variant Generation Failure (WARNING)
|
||||
|
||||
Log when `generate_all_variants()` fails but original was saved:
|
||||
|
||||
```
|
||||
Media upload variant generation failed: filename="{original_filename}", media_id={id}, error="{error_message}"
|
||||
```
|
||||
|
||||
Note: Variant generation failure should NOT fail the overall upload. The original image is still usable.
|
||||
|
||||
#### Unexpected Error (ERROR)
|
||||
|
||||
Log when any unexpected exception occurs:
|
||||
|
||||
```
|
||||
Media upload failed unexpectedly: filename="{original_filename}", error_type="{exception_class}", error="{error_message}"
|
||||
```
|
||||
|
||||
Example:
|
||||
```
|
||||
ERROR Media upload failed unexpectedly: filename="photo.jpg", error_type="OSError", error="[Errno 28] No space left on device"
|
||||
```
|
||||
|
||||
### Implementation Location
|
||||
|
||||
Modify `save_media()` in `starpunk/media.py`:
|
||||
|
||||
```python
|
||||
def save_media(file_data: bytes, filename: str) -> Dict:
|
||||
"""
|
||||
Save uploaded media file
|
||||
...
|
||||
"""
|
||||
from starpunk.database import get_db
|
||||
|
||||
input_size = len(file_data)
|
||||
|
||||
try:
|
||||
# Validate image
|
||||
mime_type, orig_width, orig_height = validate_image(file_data, filename)
|
||||
except ValueError as e:
|
||||
current_app.logger.warning(
|
||||
f'Media upload validation failed: filename="{filename}", '
|
||||
f'size={input_size}b, error="{e}"'
|
||||
)
|
||||
raise
|
||||
|
||||
try:
|
||||
# Optimize image
|
||||
optimized_img, width, height, optimized_bytes = optimize_image(file_data, input_size)
|
||||
except ValueError as e:
|
||||
current_app.logger.warning(
|
||||
f'Media upload optimization failed: filename="{filename}", '
|
||||
f'size={input_size}b, error="{e}"'
|
||||
)
|
||||
raise
|
||||
|
||||
# ... existing save logic ...
|
||||
|
||||
# Generate variants (with isolated error handling)
|
||||
variants = []
|
||||
try:
|
||||
variants = generate_all_variants(...)
|
||||
except Exception as e:
|
||||
current_app.logger.warning(
|
||||
f'Media upload variant generation failed: filename="{filename}", '
|
||||
f'media_id={media_id}, error="{e}"'
|
||||
)
|
||||
# Continue - original image is still usable
|
||||
|
||||
# Log success
|
||||
was_optimized = len(optimized_bytes) < input_size
|
||||
current_app.logger.info(
|
||||
f'Media upload successful: filename="{filename}", '
|
||||
f'stored="{stored_filename}", size={len(optimized_bytes)}b, '
|
||||
f'optimized={was_optimized}, variants={len(variants)}'
|
||||
)
|
||||
|
||||
return { ... }
|
||||
```
|
||||
|
||||
#### Top-Level Exception Handler
|
||||
|
||||
Wrap the entire function body in a try/except to catch unexpected errors (disk full, database errors, etc.):
|
||||
|
||||
```python
|
||||
def save_media(file_data: bytes, filename: str) -> Dict:
|
||||
input_size = len(file_data)
|
||||
|
||||
try:
|
||||
# All the logic above (validation, optimization, save, variants, success log)
|
||||
...
|
||||
return result
|
||||
|
||||
except ValueError:
|
||||
# Already logged at WARNING level in validation/optimization blocks
|
||||
raise
|
||||
|
||||
except Exception as e:
|
||||
current_app.logger.error(
|
||||
f'Media upload failed unexpectedly: filename="{filename}", '
|
||||
f'error_type="{type(e).__name__}", error="{e}"'
|
||||
)
|
||||
raise
|
||||
```
|
||||
|
||||
This ensures unexpected errors are logged at ERROR level before propagating to the caller.
|
||||
|
||||
### Caller-Side Changes
|
||||
|
||||
#### Admin Route (`starpunk/routes/admin.py`)
|
||||
|
||||
The admin route currently catches exceptions and builds flash messages. **Do not add logging here** - the logging in `save_media()` will capture all failures.
|
||||
|
||||
However, the current code has a gap: the generic `except Exception` clause loses error details:
|
||||
|
||||
```python
|
||||
except Exception as e:
|
||||
errors.append(f"{file.filename}: Upload failed") # Detail lost!
|
||||
```
|
||||
|
||||
This should remain unchanged for the flash message (we don't want to expose internal errors to users), but the logging in `save_media()` will capture the full error before it's caught here.
|
||||
|
||||
#### Micropub Route (`starpunk/routes/micropub.py`)
|
||||
|
||||
The current code already logs at ERROR level:
|
||||
|
||||
```python
|
||||
except Exception as e:
|
||||
current_app.logger.error(f"Media upload failed: {e}")
|
||||
return error_response("server_error", "Failed to process upload", 500)
|
||||
```
|
||||
|
||||
**Remove this logging** since `save_media()` will now handle it. The route should only handle the response:
|
||||
|
||||
```python
|
||||
except Exception as e:
|
||||
return error_response("server_error", "Failed to process upload", 500)
|
||||
```
|
||||
|
||||
### What NOT to Change
|
||||
|
||||
1. **Flash messages** - Keep them as-is for user feedback
|
||||
2. **Error responses** - Keep HTTP error responses unchanged
|
||||
3. **Exception propagation** - Continue to raise ValueError for validation errors
|
||||
4. **Variant generation behavior** - Keep it non-fatal (original still usable)
|
||||
|
||||
## Testing Strategy
|
||||
|
||||
### Unit Tests
|
||||
|
||||
Add tests to `tests/test_media_upload.py`:
|
||||
|
||||
1. **test_save_media_logs_success**: Verify INFO log on successful upload
|
||||
2. **test_save_media_logs_validation_failure**: Verify WARNING log on invalid file type
|
||||
3. **test_save_media_logs_optimization_failure**: Verify WARNING log when optimization fails
|
||||
4. **test_save_media_logs_variant_failure**: Verify WARNING log when variant generation fails
|
||||
|
||||
Use `caplog` fixture to capture and assert log messages:
|
||||
|
||||
```python
|
||||
def test_save_media_logs_success(app, caplog):
|
||||
with caplog.at_level(logging.INFO):
|
||||
result = save_media(valid_image_data, "test.jpg")
|
||||
|
||||
assert "Media upload successful" in caplog.text
|
||||
assert "test.jpg" in caplog.text
|
||||
```
|
||||
|
||||
### Integration Tests
|
||||
|
||||
Existing integration tests in `tests/test_routes_admin.py` and `tests/test_micropub.py` should continue to pass. These tests verify:
|
||||
|
||||
1. Flash messages still appear correctly (admin route)
|
||||
2. Error responses are unchanged (micropub route)
|
||||
|
||||
Note: Integration tests should NOT add `caplog` assertions for logging. Logging behavior is an implementation detail tested via unit tests. Integration tests should focus on HTTP-level behavior (status codes, response bodies, headers).
|
||||
|
||||
## Acceptance Criteria
|
||||
|
||||
1. [ ] Successful media uploads are logged at INFO level with filename, stored name, size, optimization status, and variant count
|
||||
2. [ ] Validation failures are logged at WARNING level with filename, input size, and error message
|
||||
3. [ ] Optimization failures are logged at WARNING level with filename, input size, and error message
|
||||
4. [ ] Variant generation failures are logged at WARNING level with filename, media ID, and error message
|
||||
5. [ ] Unexpected errors are logged at ERROR level with filename, exception type, and error message
|
||||
6. [ ] Micropub endpoint duplicate logging is removed
|
||||
7. [ ] Flash messages continue to work unchanged in admin UI
|
||||
8. [ ] Error responses continue to work unchanged in Micropub endpoint
|
||||
9. [ ] All new logging is tested with unit tests
|
||||
10. [ ] CHANGELOG.md is updated
|
||||
|
||||
## Files to Modify
|
||||
|
||||
| File | Change |
|
||||
|------|--------|
|
||||
| `starpunk/media.py` | Add logging to `save_media()` |
|
||||
| `starpunk/routes/micropub.py` | Remove duplicate logging in media endpoint |
|
||||
| `tests/test_media_upload.py` | Add logging tests |
|
||||
| `starpunk/__init__.py` | Bump version to 1.4.1 |
|
||||
| `CHANGELOG.md` | Add v1.4.1 entry |
|
||||
|
||||
## CHANGELOG Entry
|
||||
|
||||
```markdown
|
||||
## [1.4.1] - YYYY-MM-DD
|
||||
|
||||
### Fixed
|
||||
- Media upload failures are now logged for debugging and observability
|
||||
- Validation errors (invalid format, file too large) logged at WARNING level
|
||||
- Successful uploads logged at INFO level with file details
|
||||
- Removed duplicate logging in Micropub media endpoint
|
||||
```
|
||||
|
||||
## Questions for Developer
|
||||
|
||||
None - this design is complete and ready for implementation.
|
||||
|
||||
## References
|
||||
|
||||
- Existing logging patterns: `starpunk/notes.py`, `starpunk/media.py:delete_media()`
|
||||
- Flask logging: https://flask.palletsprojects.com/en/stable/logging/
|
||||
- Python logging levels: https://docs.python.org/3/library/logging.html#logging-levels
|
||||
@@ -325,5 +325,5 @@ def create_app(config=None):
|
||||
|
||||
# Package version (Semantic Versioning 2.0.0)
|
||||
# See docs/standards/versioning-strategy.md for details
|
||||
__version__ = "1.4.0rc1"
|
||||
__version_info__ = (1, 4, 0, "rc1")
|
||||
__version__ = "1.4.1"
|
||||
__version_info__ = (1, 4, 1)
|
||||
|
||||
@@ -391,14 +391,29 @@ def save_media(file_data: bytes, filename: str) -> Dict:
|
||||
"""
|
||||
from starpunk.database import get_db
|
||||
|
||||
# Validate image (returns 3-tuple, signature unchanged)
|
||||
mime_type, orig_width, orig_height = validate_image(file_data, filename)
|
||||
|
||||
# Compute file size for optimization strategy
|
||||
# Capture file size for logging
|
||||
file_size = len(file_data)
|
||||
|
||||
try:
|
||||
# Validate image (returns 3-tuple, signature unchanged)
|
||||
try:
|
||||
mime_type, orig_width, orig_height = validate_image(file_data, filename)
|
||||
except ValueError as e:
|
||||
current_app.logger.warning(
|
||||
f'Media upload validation failed: filename="{filename}", '
|
||||
f'size={file_size}b, error="{e}"'
|
||||
)
|
||||
raise
|
||||
|
||||
# Optimize image with size-aware strategy (now returns 4-tuple with bytes)
|
||||
try:
|
||||
optimized_img, width, height, optimized_bytes = optimize_image(file_data, file_size)
|
||||
except ValueError as e:
|
||||
current_app.logger.warning(
|
||||
f'Media upload optimization failed: filename="{filename}", '
|
||||
f'size={file_size}b, error="{e}"'
|
||||
)
|
||||
raise
|
||||
|
||||
# Generate UUID-based filename (per Q5)
|
||||
file_ext = Path(filename).suffix.lower()
|
||||
@@ -444,6 +459,8 @@ def save_media(file_data: bytes, filename: str) -> Dict:
|
||||
# Generate variants (synchronous) - v1.4.0 Phase 2
|
||||
# Pass year, month, and optimized_bytes to avoid fragile path traversal and file I/O
|
||||
base_filename = stored_filename.rsplit('.', 1)[0]
|
||||
variants = []
|
||||
try:
|
||||
variants = generate_all_variants(
|
||||
optimized_img,
|
||||
full_dir,
|
||||
@@ -454,6 +471,20 @@ def save_media(file_data: bytes, filename: str) -> Dict:
|
||||
month,
|
||||
optimized_bytes
|
||||
)
|
||||
except Exception as e:
|
||||
current_app.logger.warning(
|
||||
f'Media upload variant generation failed: filename="{filename}", '
|
||||
f'media_id={media_id}, error="{e}"'
|
||||
)
|
||||
# Continue - original image is still usable
|
||||
|
||||
# Log success
|
||||
was_optimized = len(optimized_bytes) < file_size
|
||||
current_app.logger.info(
|
||||
f'Media upload successful: filename="{filename}", '
|
||||
f'stored="{stored_filename}", size={len(optimized_bytes)}b, '
|
||||
f'optimized={was_optimized}, variants={len(variants)}'
|
||||
)
|
||||
|
||||
return {
|
||||
'id': media_id,
|
||||
@@ -467,6 +498,17 @@ def save_media(file_data: bytes, filename: str) -> Dict:
|
||||
'variants': variants
|
||||
}
|
||||
|
||||
except ValueError:
|
||||
# Already logged at WARNING level in validation/optimization blocks
|
||||
raise
|
||||
|
||||
except Exception as e:
|
||||
current_app.logger.error(
|
||||
f'Media upload failed unexpectedly: filename="{filename}", '
|
||||
f'error_type="{type(e).__name__}", error="{e}"'
|
||||
)
|
||||
raise
|
||||
|
||||
|
||||
def attach_media_to_note(note_id: int, media_ids: List[int], captions: List[str]) -> None:
|
||||
"""
|
||||
|
||||
@@ -199,5 +199,4 @@ def media_endpoint():
|
||||
return error_response("invalid_request", str(e), 400)
|
||||
|
||||
except Exception as e:
|
||||
current_app.logger.error(f"Media upload failed: {e}")
|
||||
return error_response("server_error", "Failed to process upload", 500)
|
||||
|
||||
@@ -430,6 +430,126 @@ class TestMediaSecurityEscaping:
|
||||
assert '<img' in html
|
||||
|
||||
|
||||
class TestMediaLogging:
|
||||
"""Test media upload logging (v1.4.1)"""
|
||||
|
||||
def test_save_media_logs_success(self, app, caplog):
|
||||
"""Test successful upload logs at INFO level"""
|
||||
import logging
|
||||
|
||||
image_data = create_test_image(800, 600, 'PNG')
|
||||
|
||||
with app.app_context():
|
||||
with caplog.at_level(logging.INFO):
|
||||
media_info = save_media(image_data, 'test.png')
|
||||
|
||||
# Check success log exists
|
||||
assert "Media upload successful" in caplog.text
|
||||
assert 'filename="test.png"' in caplog.text
|
||||
assert f'stored="{media_info["stored_filename"]}"' in caplog.text
|
||||
assert f'size={media_info["size"]}b' in caplog.text
|
||||
# optimized flag should be present
|
||||
assert 'optimized=' in caplog.text
|
||||
# variants count should be present
|
||||
assert 'variants=' in caplog.text
|
||||
|
||||
def test_save_media_logs_validation_failure(self, app, caplog):
|
||||
"""Test validation failure logs at WARNING level"""
|
||||
import logging
|
||||
|
||||
# Create invalid data (corrupted image)
|
||||
invalid_data = b'not an image'
|
||||
|
||||
with app.app_context():
|
||||
with caplog.at_level(logging.WARNING):
|
||||
with pytest.raises(ValueError):
|
||||
save_media(invalid_data, 'corrupt.jpg')
|
||||
|
||||
# Check validation failure log
|
||||
assert "Media upload validation failed" in caplog.text
|
||||
assert 'filename="corrupt.jpg"' in caplog.text
|
||||
assert f'size={len(invalid_data)}b' in caplog.text
|
||||
assert 'error=' in caplog.text
|
||||
|
||||
def test_save_media_logs_optimization_failure(self, app, caplog, monkeypatch):
|
||||
"""Test optimization failure logs at WARNING level"""
|
||||
import logging
|
||||
from starpunk import media
|
||||
|
||||
# Mock optimize_image to raise ValueError
|
||||
def mock_optimize_image(image_data, original_size=None):
|
||||
raise ValueError("Image cannot be optimized to target size. Please use a smaller or lower-resolution image.")
|
||||
|
||||
monkeypatch.setattr(media, 'optimize_image', mock_optimize_image)
|
||||
|
||||
image_data = create_test_image(800, 600, 'PNG')
|
||||
|
||||
with app.app_context():
|
||||
with caplog.at_level(logging.WARNING):
|
||||
with pytest.raises(ValueError):
|
||||
save_media(image_data, 'test.png')
|
||||
|
||||
# Check optimization failure log
|
||||
assert "Media upload optimization failed" in caplog.text
|
||||
assert 'filename="test.png"' in caplog.text
|
||||
assert f'size={len(image_data)}b' in caplog.text
|
||||
assert 'error=' in caplog.text
|
||||
|
||||
def test_save_media_logs_variant_failure(self, app, caplog, monkeypatch):
|
||||
"""Test variant generation failure logs at WARNING level but continues"""
|
||||
import logging
|
||||
from starpunk import media
|
||||
|
||||
# Mock generate_all_variants to raise an exception
|
||||
def mock_generate_all_variants(*args, **kwargs):
|
||||
raise RuntimeError("Variant generation failed")
|
||||
|
||||
monkeypatch.setattr(media, 'generate_all_variants', mock_generate_all_variants)
|
||||
|
||||
image_data = create_test_image(800, 600, 'PNG')
|
||||
|
||||
with app.app_context():
|
||||
with caplog.at_level(logging.INFO): # Need INFO level to capture success log
|
||||
# Should succeed despite variant failure
|
||||
media_info = save_media(image_data, 'test.png')
|
||||
|
||||
# Check variant failure log
|
||||
assert "Media upload variant generation failed" in caplog.text
|
||||
assert 'filename="test.png"' in caplog.text
|
||||
assert f'media_id={media_info["id"]}' in caplog.text
|
||||
assert 'error=' in caplog.text
|
||||
|
||||
# But success log should also be present
|
||||
assert "Media upload successful" in caplog.text
|
||||
# And variants should be 0
|
||||
assert 'variants=0' in caplog.text
|
||||
|
||||
def test_save_media_logs_unexpected_error(self, app, caplog, monkeypatch):
|
||||
"""Test unexpected error logs at ERROR level"""
|
||||
import logging
|
||||
from starpunk import media
|
||||
from pathlib import Path as OriginalPath
|
||||
|
||||
# Mock Path.write_bytes to raise OSError (simulating disk full)
|
||||
def mock_write_bytes(self, data):
|
||||
raise OSError("[Errno 28] No space left on device")
|
||||
|
||||
monkeypatch.setattr(Path, 'write_bytes', mock_write_bytes)
|
||||
|
||||
image_data = create_test_image(800, 600, 'PNG')
|
||||
|
||||
with app.app_context():
|
||||
with caplog.at_level(logging.ERROR):
|
||||
with pytest.raises(OSError):
|
||||
save_media(image_data, 'test.png')
|
||||
|
||||
# Check unexpected error log
|
||||
assert "Media upload failed unexpectedly" in caplog.text
|
||||
assert 'filename="test.png"' in caplog.text
|
||||
assert 'error_type="OSError"' in caplog.text
|
||||
assert 'error=' in caplog.text
|
||||
|
||||
|
||||
@pytest.fixture
|
||||
def sample_note(app):
|
||||
"""Create a sample note for testing"""
|
||||
|
||||
Reference in New Issue
Block a user