feat(重构): 实现新的渲染服务架构

- 新增 RenderTask

util/api.py

@@ -24,13 +24,14 @@ def sync_center():
     通过接口获取任务
     :return: 任务列表
     """
-    from template import TEMPLATES, download_template
+    from services import DefaultTemplateService
+    template_service = DefaultTemplateService()
     try:
         response = session.post(os.getenv('API_ENDPOINT') + "/sync", json={
             'accessKey': os.getenv('ACCESS_KEY'),
             'clientStatus': util.system.get_sys_info(),
             'templateList': [{'id': t.get('id', ''), 'updateTime': t.get('updateTime', '')} for t in
-                             TEMPLATES.values()]
+                             template_service.templates.values()]
         }, timeout=10)
         response.raise_for_status()
     except requests.RequestException as e:
@@ -56,7 +57,7 @@ def sync_center():
         template_id = template.get('id', '')
         if template_id:
             logger.info("更新模板：【%s】", template_id)
-            download_template(template_id)
+            template_service.download_template(template_id)
     return tasks
 
 

util/exceptions.py

@@ -0,0 +1,72 @@
+class RenderWorkerError(Exception):
+    """RenderWorker基础异常类"""
+    def __init__(self, message: str, error_code: str = None):
+        super().__init__(message)
+        self.message = message
+        self.error_code = error_code or self.__class__.__name__
+
+class ConfigurationError(RenderWorkerError):
+    """配置错误"""
+    pass
+
+class TemplateError(RenderWorkerError):
+    """模板相关错误"""
+    pass
+
+class TemplateNotFoundError(TemplateError):
+    """模板未找到错误"""
+    pass
+
+class TemplateValidationError(TemplateError):
+    """模板验证错误"""
+    pass
+
+class TaskError(RenderWorkerError):
+    """任务处理错误"""
+    pass
+
+class TaskValidationError(TaskError):
+    """任务参数验证错误"""
+    pass
+
+class RenderError(RenderWorkerError):
+    """渲染处理错误"""
+    pass
+
+class FFmpegError(RenderError):
+    """FFmpeg执行错误"""
+    def __init__(self, message: str, command: list = None, return_code: int = None, stderr: str = None):
+        super().__init__(message)
+        self.command = command
+        self.return_code = return_code
+        self.stderr = stderr
+
+class EffectError(RenderError):
+    """效果处理错误"""
+    def __init__(self, message: str, effect_name: str = None, effect_params: str = None):
+        super().__init__(message)
+        self.effect_name = effect_name
+        self.effect_params = effect_params
+
+class StorageError(RenderWorkerError):
+    """存储相关错误"""
+    pass
+
+class APIError(RenderWorkerError):
+    """API调用错误"""
+    def __init__(self, message: str, status_code: int = None, response_body: str = None):
+        super().__init__(message)
+        self.status_code = status_code
+        self.response_body = response_body
+
+class ResourceError(RenderWorkerError):
+    """资源相关错误"""
+    pass
+
+class ResourceNotFoundError(ResourceError):
+    """资源未找到错误"""
+    pass
+
+class DownloadError(ResourceError):
+    """下载错误"""
+    pass