【Python】切割PDF檔案,遇到 PdfReadError: File has not been decrypted
阿新 • • 發佈:2019-01-12
報錯日誌
runfile('C:/Users/oqur2c/.spyder-py3/temp.py', wdir='D:/Personal/Python_Project') Traceback (most recent call last): File "<ipython-input-1-f09f3fbc9d5f>", line 1, in <module> runfile('C:/Users/oqur2c/.spyder-py3/temp.py', wdir='D:/Personal/Python_Project') File "D:\ProgramData\Anaconda\lib\site-packages\spyder\utils\site\sitecustomize.py", line 880, in runfile execfile(filename, namespace) File "D:\ProgramData\Anaconda\lib\site-packages\spyder\utils\site\sitecustomize.py", line 102, in execfile exec(compile(f.read(), filename, 'exec'), namespace) File "C:/Users/oqur2c/.spyder-py3/temp.py", line 73, in <module> split_pdf_1(filename, file[0], file[1], file[2]) File "C:/Users/oqur2c/.spyder-py3/temp.py", line 22, in split_pdf_1 page_count = pdf_input.getNumPages() File "D:\ProgramData\Anaconda\lib\site-packages\PyPDF2\pdf.py", line 1150, in getNumPages raise utils.PdfReadError("File has not been decrypted") PdfReadError: File has not been decrypted
使用的呼叫函式
from PyPDF2 import PdfFileReader, PdfFileWriter def split_pdf_1(infn, startpage, endpage): """ infn: 切分的pdf startpage: 從startpage頁開始切分,預設從第一頁開始切分 endpage:直到endpage頁切分結束 """ pdf_output = PdfFileWriter() pdf_input = PdfFileReader(open(infn, 'rb')) page_count = pdf_input.getNumPages() # endpage必須大於startpage,endpage必須小於總頁數 if startpage > endpage: print("startpage > endpage") return if endpage > page_count: print("endpage > page_count") return # 讀取對應頁進行儲存 for i in range(startpage, endpage): pdf_output.addPage(pdf_input.getPage(i)) pdf_output.write(open("".join(infn.split(".")[:-1]) + "_result.pdf", "wb"))
解決方案:
- 下載qpdf: https://sourceforge.net/projects/qpdf/
- 執行命令,解密檔案為新檔案
-
- ./qpdf --password=’’ --decrypt filename.pdf filename_new.pdf
- 重新執行程式
參考連結