Pptx Processor

PowerPoint 处理指南

概述

使用 Python 和命令行工具处理 PowerPoint 演示文稿。

核心功能：

• 创建新演示文稿
• 修改现有幻灯片
• 提取文本和内容
• 合并/拆分演示文稿
• 批量操作

Python 工具

python-pptx - 基本操作

创建新演示文稿

from pptx import Presentation

prs = Presentation()
title_slide = prs.slides.add_slide(prs.slide_layouts[0])
title = title_slide.shapes.title
subtitle = title_slide.placeholders[1]

title.text = "Hello, World!"
subtitle.text = "Created with python-pptx"

prs.save('hello.pptx')

添加文本和形状

from pptx import Presentation
from pptx.util import Inches, Pt

prs = Presentation()
blank_slide = prs.slides.add_slide(prs.slide_layouts[6])

# 添加文本框
left = top = width = height = Inches(1)
txBox = blank_slide.shapes.add_textbox(left, top, width, height)
tf = txBox.text_frame
tf.text = "This is text inside a textbox"

p = tf.add_paragraph()
p.text = "This is a second paragraph"
p.level = 1

prs.save('textbox.pptx')

添加图片

from pptx import Presentation
from pptx.util import Inches

prs = Presentation()
blank_slide = prs.slides.add_slide(prs.slide_layouts[6])

img_path = 'image.png'
left = top = Inches(1)
height = Inches(2)
pic = blank_slide.shapes.add_picture(img_path, left, top, height=height)

prs.save('image.pptx')

提取文本

from pptx import Presentation

prs = Presentation('presentation.pptx')

for slide in prs.slides:
    for shape in slide.shapes:
        if hasattr(shape, "text"):
            print(shape.text)

HTML 转 PowerPoint

使用 html2pptx

from html2pptx import Html2Pptx

html_content = """
Title
Slide content
"""

h2p = Html2Pptx()
h2p.html2pptx(html_content, 'output.pptx')

命令行工具

LibreOffice - 转换和批量操作

# 转换为 PDF
soffice --headless --convert-to pdf presentation.pptx

# 批量转换
for file in *.pptx; do
    soffice --headless --convert-to pdf "$file"
done

常见操作

合并演示文稿

from pptx import Presentation

def merge_presentations(files, output):
    merged = Presentation()
    for file in files:
        prs = Presentation(file)
        for slide in prs.slides:
            # 复制幻灯片
            slide_layout = merged.slide_layouts[0]
            new_slide = merged.slides.add_slide(slide_layout)
            # 复制内容（需要手动复制形状）
            for shape in slide.shapes:
                # 复制逻辑
                pass
    merged.save(output)

添加图表

from pptx import Presentation
from pptx.chart.data import CategoryChartData
from pptx.enum.chart import XL_CHART_TYPE

prs = Presentation()
slide = prs.slides.add_slide(prs.slide_layouts[6])

chart_data = CategoryChartData()
chart_data.categories = ['East', 'West', 'Midwest']
chart_data.add_series('Series 1', (1, 2, 3))

x, y, cx, cy = Inches(2), Inches(2), Inches(6), Inches(4.5)
slide.shapes.add_chart(
    XL_CHART_TYPE.COLUMN_CLUSTERED, x, y, cx, cy, chart_data
)

prs.save('chart.pptx')

修改现有幻灯片

from pptx import Presentation

prs = Presentation('existing.pptx')
slide = prs.slides[0]

# 修改标题
slide.shapes.title.text = "New Title"

# 添加新形状
left = top = width = height = Inches(2)
slide.shapes.add_textbox(left, top, width, height)

prs.save('modified.pptx')

依赖要求

• python-pptx: pip install python-pptx
• html2pptx: pip install html2pptx
• LibreOffice: 用于格式转换和批量操作

最佳实践

• 保持简单：从基本结构开始
• 使用模板：利用幻灯片布局
• 测试兼容性：在不同 PowerPoint 版本中测试
• 备份数据：修改前备份原始文件

常见陷阱

避免：

• ❌ 硬编码位置值（使用相对定位）
• ❌ 忽略异常（添加错误处理）
• ❌ 覆盖重要数据（修改前备份）

推荐：

• ✅ 使用模板和布局
• ✅ 添加适当的错误处理
• ✅ 测试跨平台兼容性
• ✅ 保留原始文件备份

代码风格指南

重要：生成 PowerPoint 处理代码时：

• 编写清晰、可读的代码
• 使用描述性变量名
• 添加适当的注释
• 处理异常情况
• 测试输出结果

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

• Author: hhhh124hhhh
• Source: hhhh124hhhh/SkillMate
• License: Apache-2.0

Install and usage instructions live in the source repository linked above.