upload.py 文件源码

def temporary_upload(name, fileobj):
    """
    Upload a file to a temporary location.

    Flask will not load sufficiently large files into memory, so it
    makes sense to always load files into a temporary directory.

    """
    tempdir = mkdtemp()
    filename = secure_filename(fileobj.filename)
    filepath = join(tempdir, filename)
    fileobj.save(filepath)
    try:
        yield name, filepath, fileobj.filename
    finally:
        rmtree(tempdir)