Daniel Bedeleanu
ea49cd6e4a
- 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
30 lines
684 B
Python
30 lines
684 B
Python
from __future__ import annotations
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import os
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TYPE_CHECKING = False
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if TYPE_CHECKING:
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from typing import Any, NoReturn, TypeGuard
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from ._typing import StrOrBytesPath
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def is_path(f: Any) -> TypeGuard[StrOrBytesPath]:
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return isinstance(f, (bytes, str, os.PathLike))
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class DeferredError:
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def __init__(self, ex: BaseException):
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self.ex = ex
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def __getattr__(self, elt: str) -> NoReturn:
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raise self.ex
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@staticmethod
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def new(ex: BaseException) -> Any:
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"""
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Creates an object that raises the wrapped exception ``ex`` when used,
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and casts it to :py:obj:`~typing.Any` type.
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"""
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return DeferredError(ex)
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