39 lines
1.2 KiB
Python
39 lines
1.2 KiB
Python
"""
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fastapi.UploadFile currently have an issue where using an UploadFile and giving it to a StreamingResponse close it.
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Fix from this comment :
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https://github.com/fastapi/fastapi/issues/10857#issuecomment-2079878117
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"""
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from fastapi import UploadFile
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class UploadFileFix(UploadFile):
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"""Patches `fastapi.UploadFile` due to buffer close issue.
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See the related github issue:
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https://github.com/tiangolo/fastapi/issues/10857
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"""
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def __init__(self, upload_file: UploadFile) -> None:
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"""Wraps and mutates input `fastapi.UploadFile`.
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Swaps `close` method on the input instance so it's a no-op when called
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by the framework. Adds `close` method of input as `_close` here, to be
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called later with overridden `close` method.
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"""
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self.filename = upload_file.filename
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self.file = upload_file.file
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self.size = upload_file.size
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self.headers = upload_file.headers
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_close = upload_file.close
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setattr(upload_file, "close", self._close)
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setattr(self, "_close", _close)
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async def _close(self) -> None:
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pass
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async def close(self) -> None: # noqa: D102
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await self._close()
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