import os import re import shutil import uuid import requests from urllib.parse import urlparse from upload_img import upload_image def download_image(url, output_path): """ 从网络下载图片并保存到指定路径 """ try: response = requests.get(url, stream=True) if response.status_code == 200: # 获取图片扩展名 parsed_url = urlparse(url) ext = os.path.splitext(parsed_url.path)[1] if not ext: ext = '.png' # 默认使用 .png 扩展名 # 生成新的文件名 new_filename = f"{uuid.uuid4()}{ext}" dest_path = os.path.join(output_path, new_filename) # 保存图片 with open(dest_path, 'wb') as f: response.raw.decode_content = True shutil.copyfileobj(response.raw, f) print(f"已下载: {url} → {dest_path}") return new_filename else: print(f"警告: 无法下载图片 {url},状态码: {response.status_code}") except Exception as e: print(f"错误: 下载图片 {url} 时出错: {e}") return None def extract_image_paths(content): """ 从 Markdown 内容中提取所有图片路径(支持 Markdown 和 HTML 格式) """ pattern_md = re.compile(r'!\[.*?\]\((.*?)\)') pattern_html = re.compile(r']*src\s*=\s*"(.*?)"') return set(pattern_md.findall(content) + pattern_html.findall(content)) def process_local_image_copy(abs_img_path, dest_folder): """ 复制本地图片到目标文件夹,并返回新文件名(使用 UUID 命名,保留扩展名) """ ext = os.path.splitext(abs_img_path)[1] new_filename = f"{uuid.uuid4()}{ext}" dest_path = os.path.join(dest_folder, new_filename) shutil.copy2(abs_img_path, dest_path) return new_filename def process_md_file_local(md_file, output_path): """ 处理一个 Markdown 文件: - 提取 Markdown 和 HTML 格式的图片路径 - 复制本地图片到 output_path,并修改 md 文件中的图片引用路径 - 下载网络图片到 output_path,并修改 md 文件中的图片引用路径 - 图片复制时使用 UUID 作为文件名(保留扩展名) - 更新后的图片路径为绝对路径 """ with open(md_file, 'r', encoding='utf-8') as f: content = f.read() # 使用抽离的函数提取图片路径 img_paths = extract_image_paths(content) # 获取当前 md 文件所在目录 md_dir = os.path.dirname(md_file) for img_path in img_paths: # 判断图片路径是本地路径还是网络 URL if img_path.startswith(('http://', 'https://')): # 处理网络图片 new_filename = download_image(img_path, output_path) if new_filename: # 使用绝对路径替换 new_ref = os.path.join(output_path, new_filename).replace('\\', '/') content = content.replace(img_path, new_ref) else: # 处理本地图片 if os.path.isabs(img_path): abs_img_path = img_path else: abs_img_path = os.path.normpath(os.path.join(md_dir, img_path)) if os.path.exists(abs_img_path): if os.path.isfile(abs_img_path): # 确保是文件而不是文件夹 # 使用抽离的复制函数处理图片 new_filename = process_local_image_copy(abs_img_path, output_path) dest_path = os.path.join(output_path, new_filename) print(f"已复制: {abs_img_path} → {dest_path}") # 使用绝对路径替换 new_ref = dest_path.replace('\\', '/') content = content.replace(img_path, new_ref) else: print(f"警告: 跳过文件夹 {abs_img_path}") else: print(f"警告: 图片文件不存在 {abs_img_path}") # 写回修改后的内容 with open(md_file, 'w', encoding='utf-8') as f: f.write(content) print(f"已更新: {md_file}") def process_md_file_with_assets(md_file, output_base_path): """ 处理单个 Markdown 文件,将其拷贝到 output_base_path// 下, 并在该文件夹中建立 assets 文件夹保存相关图片。 同时更新 md 文件中图片的引用路径为相对路径 assets/ """ # 创建对应的输出文件夹及 assets 子文件夹 md_filename = os.path.basename(md_file) md_name, _ = os.path.splitext(md_filename) target_folder = os.path.join(output_base_path, md_name) assets_folder = os.path.join(target_folder, "assets") os.makedirs(assets_folder, exist_ok=True) # 读取 Markdown 文件内容 with open(md_file, 'r', encoding='utf-8') as f: content = f.read() # 使用抽离的函数提取图片路径 img_paths = extract_image_paths(content) # 获取 md 文件所在目录(用于处理相对路径的本地图片) md_dir = os.path.dirname(md_file) # 遍历所有图片路径 for img_path in img_paths: new_filename = None if img_path.startswith(('http://', 'https://')): # 处理网络图片:下载图片到 assets_folder try: # 处理网络图片:下载图片到 assets_folder new_filename = download_image(img_path, assets_folder) except Exception as e: print(f"错误: 下载图片 {img_path} 时出错: {e}") else: # 处理本地图片 if os.path.isabs(img_path): abs_img_path = img_path else: abs_img_path = os.path.normpath(os.path.join(md_dir, img_path)) if os.path.exists(abs_img_path) and os.path.isfile(abs_img_path): try: # 使用抽离的复制函数处理图片 new_filename = process_local_image_copy(abs_img_path, assets_folder) print(f"已复制: {abs_img_path} → {os.path.join(assets_folder, new_filename)}") except PermissionError as e: print(f"错误: 无法复制文件 {abs_img_path},权限被拒绝: {e}") else: print(f"警告: 图片文件不存在或不是文件 {abs_img_path}") # 如果成功处理图片,则替换 md 文件中的引用路径 if new_filename: new_ref = f"assets/{new_filename}" content = content.replace(img_path, new_ref) # 将更新后的 md 内容写入目标文件夹中的 md 文件 target_md_path = os.path.join(target_folder, md_filename) with open(target_md_path, 'w', encoding='utf-8') as f: f.write(content) print(f"已更新: {target_md_path}") def process_md_file_remote(md_file): """ 处理一个 Markdown 文件: - 提取 Markdown 和 HTML 格式的图片路径 - 对于本地图片,调用 upload_image 上传到 easyimage 图床, 并替换 md 文件中的图片引用路径为返回的公网地址 - 对于网络图片,保持不变 """ with open(md_file, 'r', encoding='utf-8') as f: content = f.read() # 使用抽离的函数提取图片路径 img_paths = extract_image_paths(content) # 获取当前 md 文件所在目录 md_dir = os.path.dirname(md_file) for img_path in img_paths: # 判断是否为本地图片(非网络 URL) if not img_path.startswith(('http://', 'https://')): if os.path.isabs(img_path): abs_img_path = img_path else: abs_img_path = os.path.normpath(os.path.join(md_dir, img_path)) if os.path.exists(abs_img_path) and os.path.isfile(abs_img_path): try: public_url = upload_image(abs_img_path) print(f"图片已上传: {abs_img_path} → {public_url}") content = content.replace(img_path, public_url) except Exception as e: print(f"错误: 图片上传失败 {abs_img_path}: {e}") else: print(f"警告: 图片文件不存在 {abs_img_path}") else: print(f"跳过网络图片: {img_path}") with open(md_file, 'w', encoding='utf-8') as f: f.write(content) print(f"已更新: {md_file}") def process_md_files(input_path,output_path,type): # 创建输出目录(如果不存在) os.makedirs(output_path, exist_ok=True) # 遍历处理所有 Markdown 文件 for root, _, files in os.walk(input_path): for file in files: if file.lower().endswith('.md'): md_file = os.path.join(root, file) if type==1: process_md_file_local(md_file, output_path) elif type==2: process_md_file_with_assets(md_file,output_path) elif type==3: process_md_file_remote(md_file) else: pass print("处理完成!所有图片已保存至:", os.path.abspath(output_path)) if __name__ == "__main__": type=1 input_path = r'D:\folder\test\tt' output_path = r'D:\folder\test\output2' process_md_files(input_path,output_path,type)