chore: 添加虚拟环境到仓库

- 添加 backend_service/venv 虚拟环境
- 包含所有Python依赖包
- 注意：虚拟环境约393MB，包含12655个文件

backend_service/venv/lib/python3.13/site-packages/dashscope/assistants/files.py

@@ -0,0 +1,197 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+from typing import Optional
+
+from dashscope.assistants.assistant_types import (AssistantFile,
+                                                  AssistantFileList,
+                                                  DeleteResponse)
+from dashscope.client.base_api import (CreateMixin, DeleteMixin,
+                                       GetStatusMixin, ListObjectMixin)
+from dashscope.common.error import InputRequired
+
+__all__ = ['Files']
+
+
+class Files(CreateMixin, DeleteMixin, ListObjectMixin, GetStatusMixin):
+    SUB_PATH = 'assistants'
+
+    @classmethod
+    def call(cls,
+             assistant_id: str,
+             *,
+             file_id: str,
+             workspace: str = None,
+             api_key: str = None,
+             **kwargs) -> AssistantFile:
+        """Create assistant file.
+
+        Args:
+            assistant_id (str): The target assistant id.
+            file_id (str): The file id.
+            workspace (str, optional): The DashScope workspace id. Defaults to None.
+            api_key (str, optional): The DashScope api key. Defaults to None.
+
+        Raises:
+            InputRequired: The assistant id and file id are required.
+
+        Returns:
+            AssistantFile: The assistant file object.
+        """
+        return cls.create(assistant_id,
+                          file_id=file_id,
+                          workspace=workspace,
+                          api_key=api_key,
+                          **kwargs)
+
+    @classmethod
+    def create(cls,
+               assistant_id: str,
+               *,
+               file_id: str,
+               workspace: str = None,
+               api_key: str = None,
+               **kwargs) -> AssistantFile:
+        """Create assistant file.
+
+        Args:
+            assistant_id (str): The target assistant id.
+            file_id (str): The file id.
+            workspace (str, optional): The DashScope workspace id. Defaults to None.
+            api_key (str, optional): The DashScope api key. Defaults to None.
+
+        Raises:
+            InputRequired: The assistant id and file id is required.
+
+        Returns:
+            AssistantFile: _description_
+        """
+        if not file_id or not assistant_id:
+            raise InputRequired('input file_id and assistant_id is required!')
+
+        response = super().call(data={'file_id': file_id},
+                                path=f'assistants/{assistant_id}/files',
+                                api_key=api_key,
+                                flattened_output=True,
+                                workspace=workspace,
+                                **kwargs)
+        return AssistantFile(**response)
+
+    @classmethod
+    def list(cls,
+             assistant_id: str,
+             *,
+             limit: int = None,
+             order: str = None,
+             after: str = None,
+             before: str = None,
+             workspace: str = None,
+             api_key: str = None,
+             **kwargs) -> AssistantFileList:
+        """List assistant files.
+
+        Args:
+            assistant_id (str): The assistant id.
+            limit (int, optional): How many assistant to retrieve. Defaults to None.
+            order (str, optional): Sort order by created_at. Defaults to None.
+            after (str, optional): Assistant id after. Defaults to None.
+            before (str, optional): Assistant id before. Defaults to None.
+            workspace (str, optional): The DashScope workspace id. Defaults to None.
+            api_key (str, optional): Your DashScope api key. Defaults to None.
+
+        Returns:
+            ListAssistantFile: The list of file objects.
+        """
+
+        response = super().list(limit=limit,
+                                order=order,
+                                after=after,
+                                before=before,
+                                path=f'assistants/{assistant_id}/files',
+                                api_key=api_key,
+                                flattened_output=True,
+                                workspace=workspace,
+                                **kwargs)
+        return AssistantFileList(**response)
+
+    @classmethod
+    def retrieve(cls,
+                 file_id: str,
+                 *,
+                 assistant_id: str,
+                 workspace: str = None,
+                 api_key: str = None,
+                 **kwargs) -> AssistantFile:
+        """Retrieve file information.
+
+        Args:
+            file_id (str): The file if.
+            assistant_id (str): The assistant id of the file.
+            workspace (str, optional): The DashScope workspace id. Defaults to None.
+            api_key (str, optional): Your DashScope api key. Defaults to None.
+
+        Returns:
+            AssistantFile: The `AssistantFile` object.
+        """
+        if not assistant_id or not file_id:
+            raise InputRequired('assistant id and file id are required!')
+        response = super().get(
+            file_id,
+            path=f'assistants/{assistant_id}/files/{file_id}',
+            api_key=api_key,
+            flattened_output=True,
+            workspace=workspace,
+            **kwargs)
+        return AssistantFile(**response)
+
+    @classmethod
+    def get(cls,
+            file_id: str,
+            *,
+            assistant_id: str,
+            workspace: str = None,
+            api_key: str = None,
+            **kwargs) -> Optional[AssistantFile]:
+        """Retrieve file information.
+
+        Args:
+            file_id (str): The file if.
+            assistant_id (str): The assistant id of the file.
+            workspace (str, optional): The DashScope workspace id. Defaults to None.
+            api_key (str, optional): Your DashScope api key. Defaults to None.
+
+        Returns:
+            AssistantFile: The `AssistantFile` object.
+        """
+        response = super().get(target=assistant_id + '/files/' + file_id, api_key=api_key, workspace=workspace, **kwargs)
+        if response.status_code == 200 and response.output:
+            return AssistantFile(**response.output)
+        else:
+            return None
+
+    @classmethod
+    def delete(cls,
+               file_id: str,
+               *,
+               assistant_id: str,
+               workspace: str = None,
+               api_key: str = None,
+               **kwargs) -> DeleteResponse:
+        """Delete the `file_id`.
+
+        Args:
+            file_id (str): The file to be deleted.
+            assistant_id (str): The assistant id of the file.
+            workspace (str, optional): The DashScope workspace id. Defaults to None.
+            api_key (str, optional): Your DashScope api key. Defaults to None.
+
+        Returns:
+            AssistantsDeleteResponse: _description_
+        """
+
+        response = super().delete(
+            file_id,
+            path=f'assistants/{assistant_id}/files/{file_id}',
+            api_key=api_key,
+            flattened_output=True,
+            workspace=workspace,
+            **kwargs)
+        return DeleteResponse(**response)