- Create backend/services/image_storage.py with 4 core functions:
- sanitize_filename(): remove unsafe chars, limit to 255 chars, convert to lowercase
- get_unique_filename(): handle collisions with UUID suffix (format: {name}_{uuid8}_{variant}.jpg)
- ensure_image_directories(): create /images/ root and category subdirs on startup
- save_image(): save bytes to /images/{category}/{filename}, returns relative path
- Create comprehensive test suite (22 tests) covering all functionality
- Integrate ensure_image_directories() into FastAPI startup event
- Directory structure: /images/{category}/{filename}
- Collision handling: auto-suffix with UUID if filename exists
- All tests passing, pathlib.Path for safe operations
28 lines
657 B
Python
28 lines
657 B
Python
"""
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errors and exceptions
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"""
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from starlette.exceptions import HTTPException
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from .wrappers import Limit
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class RateLimitExceeded(HTTPException):
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"""
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exception raised when a rate limit is hit.
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"""
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limit = None
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def __init__(self, limit: Limit) -> None:
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self.limit = limit
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if limit.error_message:
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description: str = (
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limit.error_message
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if not callable(limit.error_message)
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else limit.error_message()
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)
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else:
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description = str(limit.limit)
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super(RateLimitExceeded, self).__init__(status_code=429, detail=description)
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