Python利用pywin32库实现将PPT导出为高清图片
作者:虚坏叔叔 时间:2023-10-01 22:59:45
一、安装库
需要安装pywin32库
pip install pywin32
二、代码原理
WPS高清图片导出需要会员,就为了一个这个小需求开一个会员太亏了,因此就使用python对ppt进行高清图片导出。
设置format=19即可:
ppt.SaveAs(imgs_path, 19)
三、使用效果
输入一个文件路径
path = 'D:\\自动化\\课件.pptx'
最后的效果:
会在路径下创建一个‘’课件‘’文件夹
里面是所有转换后的图片
四、所有代码
完整代码如下
# -*- 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')
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)
来源:https://blog.csdn.net/biggbang/article/details/128789321
标签:Python,pywin32,PPT,图片
![](/images/zang.png)
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