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Clarification on thread safety #4774

@vikigenius

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@vikigenius

The docs say PyMuPDF does not support running on multiple threads.

I am running in async context

async def handle_request(path: str):
    await asyncio.to_thread(extract_pdf(path))
def extract_pdf(path: str):
    with pymupdf.open(path) as pdf:
        do_extract()

Is this pattern inherently unsafe because of the asyncio.to_thread? Even though no pymupdf objects are shared across thread boundaries?

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