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/files.py

@@ -0,0 +1,109 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
+import os
+
+from dashscope.api_entities.dashscope_response import DashScopeAPIResponse
+from dashscope.client.base_api import (DeleteMixin, FileUploadMixin, GetMixin,
+                                       ListMixin)
+from dashscope.common.constants import FilePurpose
+from dashscope.common.error import InvalidFileFormat
+from dashscope.common.utils import is_validate_fine_tune_file
+
+
+class Files(FileUploadMixin, ListMixin, DeleteMixin, GetMixin):
+    SUB_PATH = 'files'
+
+    @classmethod
+    def upload(cls,
+               file_path: str,
+               purpose: str = FilePurpose.fine_tune,
+               description: str = None,
+               api_key: str = None,
+               workspace: str = None,
+               **kwargs) -> DashScopeAPIResponse:
+        """Upload file for model fine-tune or other tasks.
+
+        Args:
+            file_path (str): The local file name to upload.
+            purpose (str): The purpose of the file[fine-tune|inference]
+            description (str, optional): The file description message.
+            api_key (str, optional): The api key. Defaults to None.
+            workspace (str): The dashscope workspace id.
+
+        Returns:
+            DashScopeAPIResponse: The upload information
+        """
+        if purpose == FilePurpose.fine_tune:
+            if not is_validate_fine_tune_file(file_path):
+                raise InvalidFileFormat(
+                    'The file %s is not in valid jsonl format' % file_path)
+        with open(file_path, 'rb') as f:
+            return super().upload(files=[('files', (os.path.basename(f.name),
+                                                    f, None))],
+                                  descriptions=[description]
+                                  if description is not None else None,
+                                  api_key=api_key,
+                                  workspace=workspace,
+                                  **kwargs)
+
+    @classmethod
+    def list(cls,
+             page=1,
+             page_size=10,
+             api_key: str = None,
+             workspace: str = None,
+             **kwargs) -> DashScopeAPIResponse:
+        """List uploaded files.
+
+        Args:
+            api_key (str, optional):
+            The api api_key, can be None,
+                if None, will get by default rule(TODO: api key doc).
+            page (int, optional): Page number. Defaults to 1.
+            page_size (int, optional): Items per page. Defaults to 10.
+            workspace (str): The dashscope workspace id.
+
+        Returns:
+            DashScopeAPIResponse: The fine-tune jobs in the result.
+        """
+        return super().list(page,
+                            page_size,
+                            api_key,
+                            workspace=workspace,
+                            **kwargs)
+
+    @classmethod
+    def get(cls,
+            file_id: str,
+            api_key: str = None,
+            workspace: str = None,
+            **kwargs) -> DashScopeAPIResponse:
+        """Get the file info.
+
+        Args:
+            file_id (str): The file id.
+            api_key (str, optional): The api key. Defaults to None.
+            workspace (str): The dashscope workspace id.
+
+        Returns:
+            DashScopeAPIResponse: The job info
+        """
+        return super().get(file_id, api_key, workspace=workspace, **kwargs)
+
+    @classmethod
+    def delete(cls,
+               file_id: str,
+               api_key: str = None,
+               workspace: str = None,
+               **kwargs) -> DashScopeAPIResponse:
+        """Delete uploaded file.
+
+        Args:
+            file_id (str): The file id want to delete.
+            api_key (str, optional): The api key. Defaults to None.
+            workspace (str): The dashscope workspace id.
+
+        Returns:
+            DashScopeAPIResponse: Delete result.
+        """
+        return super().delete(file_id, api_key, workspace=workspace, **kwargs)