相关疑难解决方法(0)

在python代码中,如何有效地将pdf中的某个页面保存为jpeg文件？(使用案例:我有一个python flask web服务器,上传pdf-s,每个页面对应的jpeg-s是商店.)

这个解决方案很接近,但问题是它没有将整个页面转换为jpeg.

早上好，

经过多次尝试运行后

from wand.image import Image

我收到以下错误：

    Traceback (most recent call last):
  File "C:\Users\XXXXX\PycharmProjects\PDF_convert\venv\lib\site-packages\wand\api.py", line 180, in <module>
    libraries = load_library()
  File "C:\Users\XXXXX\PycharmProjects\PDF_convert\venv\lib\site-packages\wand\api.py", line 135, in load_library
    raise IOError('cannot find library; tried paths: ' + repr(tried_paths))
OSError: cannot find library; tried paths: ['C:\\Program Files\\ImageMagick-6.9.9-Q8\\CORE_RL_wand_.dll', 'C:\\Program Files\\ImageMagick-6.9.9-Q8\\libMagickWand.dll', 'C:\\Program Files\\ImageMagick-6.9.9-Q8\\CORE_RL_wand_.dll', 'C:\\Program Files\\ImageMagick-6.9.9-Q8\\CORE_RL_wand_HDRI.dll', 'C:\\Program Files\\ImageMagick-6.9.9-Q8\\libMagickWandHDRI.dll', 'C:\\Program Files\\ImageMagick-6.9.9-Q8\\CORE_RL_wand_HDRI-2.dll', 'C:\\Program Files\\ImageMagick-6.9.9-Q8\\libMagickWandHDRI-2.dll', 'C:\\Program Files\\ImageMagick-6.9.9-Q8\\CORE_RL_wand_-6.dll', 'C:\\Program Files\\ImageMagick-6.9.9-Q8\\libMagickWand-6.dll', 'C:\\Program Files\\ImageMagick-6.9.9-Q8\\CORE_RL_wand_-6HDRI.dll', 'C:\\Program Files\\ImageMagick-6.9.9-Q8\\libMagickWand-6HDRI.dll', 'C:\\Program Files\\ImageMagick-6.9.9-Q8\\CORE_RL_wand_-6HDRI-2.dll', 'C:\\Program Files\\ImageMagick-6.9.9-Q8\\libMagickWand-6HDRI-2.dll', 'C:\\Program Files\\ImageMagick-6.9.9-Q8\\CORE_RL_wand_-Q16.dll', 'C:\\Program Files\\ImageMagick-6.9.9-Q8\\libMagickWand-Q16.dll', 'C:\\Program Files\\ImageMagick-6.9.9-Q8\\CORE_RL_wand_-Q16HDRI.dll', 'C:\\Program Files\\ImageMagick-6.9.9-Q8\\libMagickWand-Q16HDRI.dll', 'C:\\Program Files\\ImageMagick-6.9.9-Q8\\CORE_RL_wand_-Q16HDRI-2.dll', 'C:\\Program Files\\ImageMagick-6.9.9-Q8\\libMagickWand-Q16HDRI-2.dll', …

执行程序时出现以下错误。
它是一个解析上传文件的程序。
当用户尝试上传文档时出现错误

Error: module 'platform' has no attribute 'linux_distribution'
Path: tmp/resume_2020-08-28_10-09-05/Document.pdf
Traceback (most recent call last):
  File "/home/adiagarwal/Python-3.8.0/resume_parser_env/lib/python3.8/site-packages/wand/api.py", line 143, in <module>
    libraries = load_library()
  File "/home/adiagarwal/Python-3.8.0/resume_parser_env/lib/python3.8/site-packages/wand/api.py", line 132, in load_library
    raise IOError('cannot find library; tried paths: ' + repr(tried_paths))
OSError: cannot find library; tried paths: []

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/adiagarwal/projects/BackEnd/admin_api.py", line 198, in post
    im = page.to_image()
  File "/home/adiagarwal/Python-3.8.0/resume_parser_env/lib/python3.8/site-packages/pdfplumber/page.py", line 255, in to_image
    from .display import …