File size: 11,859 Bytes
4fb7874 |
1 |
# coding:utf-8# @文件: import_utils.py# @创建者：州的先生# #日期：2020/6/17# 博客地址：zmister.com# 文集导入相关方法from django.utils.translation import gettext_lazy as _from app_doc.models import Doc,Project,Imagefrom app_doc.util_upload_img import upload_generation_dirfrom django.db import transactionfrom django.conf import settingsfrom loguru import loggerfrom markdownify import markdownifyimport mammothimport shutilimport osimport timeimport reimport yaml# 导入Zip文集class ImportZipProject(): # 读取 Zip 压缩包 def read_zip(self,zip_file_path,create_user): # 导入流程： # 1、解压zip压缩包文件到temp文件夹 # 2、遍历temp文件夹内的解压后的.md文件 # 3、读取.md文件的文本内容 # 4、如果里面匹配到相对路径的静态文件，从指定文件夹里面读取 # 5、上传图片，写入数据库，修改.md文件里面的url路径 # 新建一个临时文件夹，用于存放解压的文件 self.temp_dir = zip_file_path[:-3] os.mkdir(self.temp_dir) # 解压 zip 文件到指定临时文件夹 shutil.unpack_archive(zip_file_path, extract_dir=self.temp_dir) # 处理文件夹和文件名的中文乱码 for root, dirs, files in os.walk(self.temp_dir): for dir in dirs: try: new_dir = dir.encode('cp437').decode('gbk') except: new_dir = dir.encode('utf-8').decode('utf-8') # print(new_dir) os.rename(os.path.join(root, dir), os.path.join(root, new_dir)) for file in files: try: new_file = file.encode('cp437').decode('gbk') except: new_file = file.encode('utf-8').decode('utf-8') # print(root, new_file) os.rename(os.path.join(root, file), os.path.join(root, new_file)) # 读取yaml文件 try: with open(os.path.join(self.temp_dir ,'mrdoc.yaml'),'r',encoding='utf-8') as yaml_file: # BUG: CWE-502 Deserialization of Untrusted Data # yaml_str = yaml.load(yaml_file.read()) # FIXED: yaml_str = yaml.safe_load(yaml_file.read()) project_name = yaml_str['project_name'] \ if 'project_name' in yaml_str.keys() else zip_file_path[:-4].split('/')[-1] project_desc = yaml_str['project_desc'] if 'project_desc' in yaml_str.keys() else '' project_role = yaml_str['project_role'] if 'project_role' in yaml_str.keys() else 1 editor_mode = yaml_str['editor_mode'] if 'editor_mode' in yaml_str.keys() else 1 project_toc = yaml_str['toc'] toc_item_list = [] for toc in project_toc: # print(toc) item = { 'name': toc['name'], 'file': toc['file'], 'parent': 0, } toc_item_list.append(item) if 'children' in toc.keys(): for b in toc['children']: item = { 'name': b['name'], 'file': b['file'], 'parent': toc['name'] } toc_item_list.append(item) if 'children' in b.keys(): for c in b['children']: item = { 'name': c['name'], 'file': c['file'], 'parent': b['name'] } toc_item_list.append(item) except: logger.error(_("未发现yaml文件")) project_name = zip_file_path[:-4].split('/')[-1] project_desc = '' project_role = 1 editor_mode = 1 project_toc = False # 开启事务 with transaction.atomic(): save_id = transaction.savepoint() try: # 新建文集 project = Project.objects.create( name=project_name, intro=project_desc, role=project_role, create_user=create_user ) if project_toc is False: # 遍历临时文件夹中的所有文件和文件夹 for f in os.listdir(self.temp_dir): # 获取 .md 文件 if f.endswith('.md'): # print(f) # 读取 .md 文件文本内容 with open(os.path.join(self.temp_dir,f),'r',encoding='utf-8') as md_file: md_content = md_file.read() md_content = self.operat_md_media(md_content,create_user) # 新建文档 doc = Doc.objects.create( name = f[:-3], pre_content = md_content, top_doc = project.id, status = 0, editor_mode = editor_mode, create_user = create_user ) else: for i in toc_item_list: with open(os.path.join(self.temp_dir,i['file']),'r',encoding='utf-8') as md_file: md_content = md_file.read() md_content = self.operat_md_media(md_content, create_user) # 新建文档 doc = Doc.objects.create( name=i['name'], pre_content=md_content, top_doc=project.id, parent_doc = (Doc.objects.get(top_doc=project.id,name=i['parent'])).id \ if i['parent'] != 0 else 0, status=0, editor_mode=editor_mode, create_user=create_user ) except: logger.exception(_("解析导入文件异常")) # 回滚事务 transaction.savepoint_rollback(save_id) transaction.savepoint_commit(save_id) try: shutil.rmtree(self.temp_dir) os.remove(zip_file_path) return project.id except: logger.exception(_("删除临时文件异常")) return None # 处理MD内容中的静态文件 def operat_md_media(self,md_content,create_user): # 查找MD内容中的静态文件 pattern = r"\!\[.*?\]\(.*?\)" media_list = re.findall(pattern, md_content) # print(media_list) # 存在静态文件,进行遍历 if len(media_list) > 0: for media in media_list: media_filename = media.split("(")[-1].split(")")[0] # 媒体文件的文件名 # 存在本地图片路径 if media_filename.startswith("./") or media_filename.startswith("/"): # 获取文件后缀 file_suffix = media_filename.split('.')[-1] if file_suffix.lower() not in settings.ALLOWED_IMG: continue # 判断本地图片路径是否存在 if media_filename.startswith("./"): temp_media_file_path = os.path.join(self.temp_dir,media_filename[2:]) else : temp_media_file_path = os.path.join(self.temp_dir, media_filename[1:]) if os.path.exists(temp_media_file_path): # 如果存在，上传本地图片 dir_name = upload_generation_dir() # 获取当月文件夹名称 # 复制文件到媒体文件夹 copy2_filename = dir_name + '/' + str(time.time()) + '.' + file_suffix new_media_file_path = shutil.copy2( temp_media_file_path, settings.MEDIA_ROOT + copy2_filename ) # 替换MD内容的静态文件链接 new_media_filename = new_media_file_path.split(settings.MEDIA_ROOT,1)[-1] new_media_filename = '/media' + new_media_filename # 图片数据写入数据库 Image.objects.create( user=create_user, file_path=new_media_filename, file_name=str(time.time())+'.'+file_suffix, remark=_('本地上传'), ) md_content = md_content.replace(media_filename, new_media_filename) else: pass return md_content # 不存在静态文件，直接返回MD内容 else: return md_content# 导入Word文档(.docx)class ImportDocxDoc(): def __init__(self,docx_file_path,editor_mode,create_user): self.docx_file_path = docx_file_path # docx文件绝对路径 self.tmp_img_dir = self.docx_file_path.split('.') self.create_user = create_user self.editor_mode = int(editor_mode) # 转存docx文件中的图片 def convert_img(self,image): with image.open() as image_bytes: file_suffix = image.content_type.split("/")[1] file_time_name = str(time.time()) dir_name = upload_generation_dir() # 获取当月文件夹名称 # 图片在媒体文件夹内的路径，形如 /202012/12542542.jpg copy2_filename = dir_name + '/' + file_time_name + '.' + file_suffix # 文件的绝对路径 形如/home/MrDoc/media/202012/12542542.jpg new_media_file_path = settings.MEDIA_ROOT + copy2_filename # 图片文件的相对url路径 new_media_filename = '/media' + copy2_filename # 图片数据写入数据库 Image.objects.create( user=self.create_user, file_path=new_media_filename, file_name=file_time_name + '.' + file_suffix, remark=_('本地上传'), ) with open(new_media_file_path, 'wb') as f: f.write(image_bytes.read()) return {"src": new_media_filename} # 转换docx文件内容为HTML和Markdown def convert_docx(self): # 读取Word文件 with open(self.docx_file_path, "rb") as docx_file: # 转化Word文档为HTML result = mammoth.convert_to_html(docx_file, convert_image=mammoth.images.img_element(self.convert_img)) # 获取HTML内容 html = result.value if self.editor_mode in [1,2]: # 转化HTML为Markdown md = markdownify(html, heading_style="ATX") return md else: return html def run(self): try: result = self.convert_docx() os.remove(self.docx_file_path) return {'status':True,'data':result} except: os.remove(self.docx_file_path) return {'status':False,'data':_('读取异常')}if __name__ == '__main__': imp = ImportZipProject() imp.read_zip(r"D:\Python XlsxWriter模块中文文档_2020-06-16.zip") |