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# 依赖目录pip install python-pptx Pillow imagehash
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from pptx import Presentation
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from pptx.util import Inches
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from pptx.dml.color import RGBColor
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from PIL import Image
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import imagehash
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import os
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from config import Config
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from pptx.opc.constants import RELATIONSHIP_TYPE as RT
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from pptx.oxml import parse_xml
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def get_copyright_image_paths():
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# 构建 assets/copyright-img 的相对路径
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copyright_dir = os.path.join(
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os.path.dirname(__file__), "..", "assets", "copyright-img"
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)
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# 获取所有图片文件的路径
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copyright_image_paths = []
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for filename in os.listdir(copyright_dir):
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if filename.lower().endswith(('.png', '.jpg', '.jpeg', '.gif', '.bmp')): # 支持的图片格式
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copyright_image_paths.append(os.path.join(copyright_dir, filename))
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return copyright_image_paths
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def convert_image_to_rgba(image):
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"""
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将图像转换为 RGBA 格式以处理透明度
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"""
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if image.mode == 'P':
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image = image.convert('RGBA')
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return image
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def is_similar_image(image_path, reference_image_path, similarity_threshold=0.95):
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"""
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检查两张图片之间的相似度
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"""
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img1 = Image.open(image_path)
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img2 = Image.open(reference_image_path)
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# 转换图像为 RGBA 格式
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img1 = convert_image_to_rgba(img1)
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img2 = convert_image_to_rgba(img2)
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# 计算哈希值
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hash1 = imagehash.average_hash(img1)
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hash2 = imagehash.average_hash(img2)
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# 计算相似度（1 - 汉明距离 / 哈希位数）
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similarity = 1 - (hash1 - hash2) / len(hash1.hash) ** 2
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return similarity >= similarity_threshold
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def remove_copyright_images(pptx_path, copyright_image_paths):
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# 打开 PowerPoint 文件
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prs = Presentation(pptx_path)
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# 使用一个列表来记录要删除的幻灯片索引
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slides_to_delete = []
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change_text = False
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# 定义要替换的关键字数组
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replace_text_keywords = ["第一PPT"]
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# 定义要删除的关键字符数组(只删除文本框)
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del_text_keywords = [
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"Speaker name and title",
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"OfficePLUS", "Presenter name",
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"www.officeplus.cn",
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"第一PPT模板网-WWW.1PPT.COM",
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"标题字体来源于字魂网，未经授权不可商用",
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"标题字体来源字魂网，未经授权不可商用",
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"以上字体来源字魂网，未经授权不得商用",
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"标题字来源于字魂网，未经授权不可商用",
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"以上书法字体来源字魂网，未经授权不得商用",
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]
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# 定义要删除的关键字符数组(删除整页幻灯片)
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del_text_keywords_slide = ["模板中使用的字体为开源字体","一站式办公内容服务平台", "欢迎关注OfficePLUS官方渠道"]
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# 遍历所有幻灯片母版
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# for sld_mstr in prs.slide_masters:
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# theme_part = sld_mstr.part.part_related_by(RT.THEME)
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# theme = parse_xml(theme_part.blob)
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# sld_mstr.name = theme.get("name")
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# print(sld_mstr.name)
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# 遍历每一页幻灯片
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for index, slide in enumerate(prs.slides):
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# 遍历幻灯片中的每个形状
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for shape in slide.shapes:
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# 检查形状是否为图片
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if shape.shape_type == 13: # 13 表示图片
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# 临时保存图片
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temp_image_path = 'temp_image.png'
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with open(temp_image_path, 'wb') as f:
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f.write(shape.image.blob)
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# 检查相似度
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for copyright_image in copyright_image_paths:
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if is_similar_image(temp_image_path, copyright_image):
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print(f"'{os.path.basename(pptx_path)}'有相似的图片'{os.path.basename(copyright_image)}',在第{index + 1}页")
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# 删除该形状
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slide.shapes._spTree.remove(shape._element)
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slides_to_delete.append(index) # 记录要删除的幻灯片
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break # 找到相似图片后可以跳出循环
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# 删除临时图片
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os.remove(temp_image_path)
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# 检查形状是否为文本框
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if shape.has_text_frame:
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text_content = shape.text
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# 检查文本内容是否包含要删除的关键字符数组中的任意字符
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if any(char in text_content for char in del_text_keywords_slide):
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print(f"'{os.path.basename(pptx_path)}'在第 {index + 1} 页需要删除，内容为: '{text_content}'")
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slides_to_delete.append(index)
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break
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# 检查文本内容是否包含要删除的关键字符数组中的任意字符
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if any(char in text_content for char in del_text_keywords):
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if not change_text:
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change_text = True
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print(f"'{os.path.basename(pptx_path)}'在第 {index + 1} 页删除文本框，内容为: '{text_content}'")
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# 删除文本框
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slide.shapes._spTree.remove(shape._element)
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"""
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# 判断并替换文本
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for keyword in replace_text_keywords:
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if keyword in text_content:
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if not change_text:
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change_text = True
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print(f"'{os.path.basename(pptx_path)}'在第 {index + 1} 页替换文本 '{text_content}' 为 '创意素材'")
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# 记录原字体样式
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original_font = shape.text_frame.paragraphs[0].runs[0].font
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new_text = text_content.replace(keyword, "创意素材")
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shape.text = new_text
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# 应用原字体样式
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for paragraph in shape.text_frame.paragraphs:
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for run in paragraph.runs:
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run.font.bold = original_font.bold
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run.font.italic = original_font.italic
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run.font.underline = original_font.underline
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run.font.size = original_font.size
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# 处理颜色
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if isinstance(original_font.color, RGBColor):
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run.font.color.rgb = original_font.color.rgb
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elif hasattr(original_font.color, 'theme_color'):
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run.font.color.rgb = RGBColor(255, 255, 255)
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else:
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# 处理未识别的颜色类型
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run.font.color.rgb = RGBColor(255, 255, 255)
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"""
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# 删除记录中的幻灯片
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for index in slides_to_delete:
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slides = list(prs.slides._sldIdLst)
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current_slide_to_delete = slides[index]
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prs.slides._sldIdLst.remove(current_slide_to_delete)
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if(len(slides_to_delete) > 0 or change_text):
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# 保存修改后的 PowerPoint 文件
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prs.save(pptx_path)
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else:
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print(f"{pptx_path}没有版权信息或者版权文案，不需要删除替换")
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def process_ppt_files(directory):
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copyright_image_paths = get_copyright_image_paths() # 获取版权图片路径列表
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# 遍历指定目录下的所有文件
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for filename in os.listdir(directory):
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# 过滤掉以 ~$ 开头的文件
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if filename.startswith('~$'):
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continue
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if filename.lower().endswith(('.pptx', '.ppt')): # 只处理 pptx 和 ppt 文件
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pptx_file_path = os.path.join(directory, filename)
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remove_copyright_images(pptx_file_path, copyright_image_paths)
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process_ppt_files(Config.get_latest_folder(Config.WORK_PATH)) |