pdf.py 文件源码

def get_pages(pdf_filename, from_, to):
    if to < from_:
        to = from_

    file = open(pdf_filename, 'rb')
    pdf = PdfFileReader(file)

    output = PdfFileWriter()

    for i in range(from_ - 1, to):
        output.addPage(pdf.getPage(i))

    stream = BytesIO()
    output.write(stream)
    data = stream.getvalue()
    file.close()
    return data