Python利用pywin32库实现将PPT导出为高清图片

pip install pywin32 

ppt.SaveAs(imgs_path, 19) 

path = 'D:\\自动化\\课件.pptx' 

# -*- coding: UTF-8 -*- import os import sys def get_all_ppts(path): # 获取所有 ppt 文件 ppt_paths = [] for root, _, files in os.walk(path): for f in files: suffix = os.path.splitext(f)[-1].lower() if 'ppt' in suffix: ppt_paths.append(os.path.join(root,f)) return ppt_paths class LinuxConverter(): ''' Linux 平台下转换工具 借助 libreoffice 和 imagemagick ''' def _run_cmd(self, cmd): try: os.system(cmd) except Exception as e: print('[ERROR] ', e) return False else: return True def _ppt_to_imgs(self, ppt_path): # ppt - pdf - jpg # libreoffice 多进程会卡死，后续优化 cmd = 'libreoffice --headless --language=zh-CN ' cmd += '--convert-to pdf {}>>/dev/null'.format(ppt_path) success = self._run_cmd(cmd) if not success: print('[ERROR] ppt2pdf: {}'.format(ppt_path)) return success suffix = os.path.splitext(ppt_path)[-1] pdf_path = ppt_path.replace(suffix, 'pdf').split('/')[-1] success, _ = self._pdf_to_imgs(pdf_path) if not success: print('[ERROR] pdf2imgs: {}'.format(ppt_path)) return success def _pdf_to_imgs(self, pdf_path): imgs_folder = os.path.splitext(pdf_path)[0] cmd = 'mkdir {}'.format(imgs_folder) success = self._run_cmd(cmd) if not success: print('[ERROR] mkdir: {}'.format(pdf_path)) return success, '' cmd = 'convert {} {}/幻灯片%d.JPG'.format(pdf_path, imgs_folder) success = self._run_cmd(cmd) return success, imgs_folder def convert(self, ppts_path_list, total_count): error_count = 0 success_count = 0 for idx in range(total_count): ppt_path = ppts_path_list[idx] print('[ {}/{} ] {}'.format(idx+1, total_count, ppt_path)) success, _ = self._ppt_to_imgs(ppt_path) if not success: error_count += 1 continue success_count += 1 return error_count, success_count class WinConverter(): ''' Windows 平台下转换工具 借助 office PowerPoint ''' def __init__(self): try: # 必须以该形式导入 `from win32com import client` 会报错 import win32com.client except ImportError: print('当前为windows平台，缺少 win32com 库，请执行 `pip install pywin32` 安装') exit(0) self._ppt_engine = win32com.client.Dispatch('PowerPoint.Application') self._ppt_engine.Visible = True def _ppt2jpg(self, ppt_path, imgs_path): ppt_path = os.path.abspath(ppt_path) imgs_path = os.path.abspath(imgs_path) try: ppt = self._ppt_engine.Presentations.Open(ppt_path) ppt.SaveAs(imgs_path, 18) # 17：jpg, 18:png, 19:bmp ppt.Close() except Exception as e: print('[ERROR] ppt2imgs: {}'.format(ppt_path)) return False else: return True def convert(self, ppts_path_list, total_count): error_count = 0 success_count = 0 for idx in range(total_count): ppt_path = ppts_path_list[idx] print('[ {}/{} ] {}'.format(idx+1, total_count, ppt_path)) suffix = os.path.splitext(ppt_path)[-1] imgs_path = ppt_path.replace(suffix,'.png-600') success = self._ppt2jpg(ppt_path, imgs_path) if not success: error_count += 1 continue success_count += 1 self._ppt_engine.Quit() return error_count, success_count def convert_ppts_to_imgs(path): if os.path.isdir(path): ppts_path_list = get_all_ppts(path) elif os.path.isfile(path): ppts_path_list = [path] if not ppts_path_list: print('该路径下未找到 ppt 文件') exit(0) plat = sys.platform if 'linux' in plat: converter = LinuxConverter() elif 'win' in plat: converter = WinConverter() total_count = len(ppts_path_list) print('[BEGIN] 共 {} 个 ppt 文件'.format(total_count)) error_count, success_count = converter.convert(ppts_path_list, total_count) print('[END] error:{} success:{}'.format(error_count, success_count)) if __name__ == '__main__': path = 'D:\\自动化\\课件.pptx' convert_ppts_to_imgs(path)