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from pypdf import PdfReader, PdfWriter | |
from io import BytesIO | |
def 移除_pdf密碼(pdf檔案, 密碼): | |
""" | |
解鎖帶有密碼保護的 PDF 檔案,回傳已解鎖的檔案(BytesIO)或錯誤訊息 | |
""" | |
try: | |
reader = PdfReader(pdf檔案) | |
if reader.is_encrypted: | |
reader.decrypt(密碼) | |
writer = PdfWriter() | |
for page in reader.pages: | |
writer.add_page(page) | |
output = BytesIO() | |
writer.write(output) | |
output.seek(0) | |
return output | |
except Exception as e: | |
return f"解鎖失敗:{e}" | |