refactor complete
This commit is contained in:
@@ -1,82 +1,102 @@
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# [DEF:backend.src.core.superset_client:Module]
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#
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# @SEMANTICS: superset, api, client, database, metadata
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# @PURPOSE: Extends the base SupersetClient with database-specific metadata fetching.
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# @SEMANTICS: superset, api, client, rest, http, dashboard, dataset, import, export
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# @PURPOSE: Предоставляет высокоуровневый клиент для взаимодействия с Superset REST API, инкапсулируя логику запросов, обработку ошибок и пагинацию.
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# @LAYER: Core
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# @RELATION: INHERITS_FROM -> superset_tool.client.SupersetClient
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# @RELATION: USES -> backend.src.core.utils.network.APIClient
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# @RELATION: USES -> backend.src.core.config_models.Environment
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#
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# @INVARIANT: All database metadata requests must include UUID and name.
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# @INVARIANT: All network operations must use the internal APIClient instance.
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# @PUBLIC_API: SupersetClient
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# [SECTION: IMPORTS]
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from typing import List, Dict, Optional, Tuple
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from .logger import belief_scope
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from superset_tool.client import SupersetClient as BaseSupersetClient
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from superset_tool.models import SupersetConfig
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import json
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import zipfile
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from pathlib import Path
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from typing import Any, Dict, List, Optional, Tuple, Union, cast
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from requests import Response
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from .logger import logger as app_logger, belief_scope
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from .utils.network import APIClient, SupersetAPIError, AuthenticationError, DashboardNotFoundError, NetworkError
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from .utils.fileio import get_filename_from_headers
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from .config_models import Environment
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# [/SECTION]
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# [DEF:SupersetClient:Class]
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# @PURPOSE: Extended SupersetClient for migration-specific operations.
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class SupersetClient(BaseSupersetClient):
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# @PURPOSE: Класс-обёртка над Superset REST API, предоставляющий методы для работы с дашбордами и датасетами.
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class SupersetClient:
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# [DEF:__init__:Function]
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# @PURPOSE: Инициализирует клиент, проверяет конфигурацию и создает сетевой клиент.
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# @PRE: `env` должен быть валидным объектом Environment.
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# @POST: Атрибуты `env` и `network` созданы и готовы к работе.
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# @PARAM: env (Environment) - Конфигурация окружения.
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def __init__(self, env: Environment):
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with belief_scope("__init__"):
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app_logger.info("[SupersetClient.__init__][Enter] Initializing SupersetClient for env %s.", env.name)
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self.env = env
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# Construct auth payload expected by Superset API
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auth_payload = {
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"username": env.username,
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"password": env.password,
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"provider": "db",
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"refresh": "true"
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}
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self.network = APIClient(
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config={
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"base_url": env.url,
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"auth": auth_payload
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},
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verify_ssl=env.verify_ssl,
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timeout=env.timeout
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)
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self.delete_before_reimport: bool = False
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app_logger.info("[SupersetClient.__init__][Exit] SupersetClient initialized.")
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# [/DEF:__init__:Function]
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# [DEF:authenticate:Function]
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# @PURPOSE: Authenticates the client using the configured credentials.
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# @PRE: self.network must be initialized with valid auth configuration.
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# @POST: Client is authenticated and tokens are stored.
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# @RETURN: Dict[str, str] - Authentication tokens.
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def authenticate(self):
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def authenticate(self) -> Dict[str, str]:
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with belief_scope("SupersetClient.authenticate"):
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return self.network.authenticate()
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# [DEF:get_databases_summary:Function]
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# @PURPOSE: Fetch a summary of databases including uuid, name, and engine.
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# @PRE: self.network must be initialized and authenticated.
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# @POST: Returns a list of database dictionaries with 'engine' field.
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# @RETURN: List[Dict] - Summary of databases.
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def get_databases_summary(self) -> List[Dict]:
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with belief_scope("SupersetClient.get_databases_summary"):
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"""
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Fetch a summary of databases including uuid, name, and engine.
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"""
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query = {
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"columns": ["uuid", "database_name", "backend"]
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}
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_, databases = self.get_databases(query=query)
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# Map 'backend' to 'engine' for consistency with contracts
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for db in databases:
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db['engine'] = db.pop('backend', None)
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return databases
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# [/DEF:get_databases_summary:Function]
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# [/DEF:authenticate:Function]
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# [DEF:get_database_by_uuid:Function]
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# @PURPOSE: Find a database by its UUID.
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# @PRE: db_uuid must be a string.
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# @POST: Returns database metadata if found.
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# @PARAM: db_uuid (str) - The UUID of the database.
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# @RETURN: Optional[Dict] - Database info if found, else None.
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def get_database_by_uuid(self, db_uuid: str) -> Optional[Dict]:
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with belief_scope("SupersetClient.get_database_by_uuid", f"uuid={db_uuid}"):
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"""
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Find a database by its UUID.
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"""
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query = {
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"filters": [{"col": "uuid", "op": "eq", "value": db_uuid}]
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}
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_, databases = self.get_databases(query=query)
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return databases[0] if databases else None
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# [/DEF:get_database_by_uuid:Function]
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@property
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# [DEF:headers:Function]
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# @PURPOSE: Возвращает базовые HTTP-заголовки, используемые сетевым клиентом.
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def headers(self) -> dict:
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with belief_scope("headers"):
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return self.network.headers
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# [/DEF:headers:Function]
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# [SECTION: DASHBOARD OPERATIONS]
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# [DEF:get_dashboards:Function]
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# @PURPOSE: Получает полный список дашбордов, автоматически обрабатывая пагинацию.
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# @PARAM: query (Optional[Dict]) - Дополнительные параметры запроса для API.
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# @RETURN: Tuple[int, List[Dict]] - Кортеж (общее количество, список дашбордов).
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def get_dashboards(self, query: Optional[Dict] = None) -> Tuple[int, List[Dict]]:
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with belief_scope("get_dashboards"):
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app_logger.info("[get_dashboards][Enter] Fetching dashboards.")
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validated_query = self._validate_query_params(query or {})
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if 'columns' not in validated_query:
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validated_query['columns'] = ["slug", "id", "changed_on_utc", "dashboard_title", "published"]
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total_count = self._fetch_total_object_count(endpoint="/dashboard/")
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paginated_data = self._fetch_all_pages(
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endpoint="/dashboard/",
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pagination_options={"base_query": validated_query, "total_count": total_count, "results_field": "result"},
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)
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app_logger.info("[get_dashboards][Exit] Found %d dashboards.", total_count)
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return total_count, paginated_data
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# [/DEF:get_dashboards:Function]
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# [DEF:get_dashboards_summary:Function]
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# @PURPOSE: Fetches dashboard metadata optimized for the grid.
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# @PRE: self.network must be authenticated.
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# @POST: Returns a list of dashboard dictionaries mapped to the grid schema.
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# @RETURN: List[Dict]
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def get_dashboards_summary(self) -> List[Dict]:
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with belief_scope("SupersetClient.get_dashboards_summary"):
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"""
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Fetches dashboard metadata optimized for the grid.
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Returns a list of dictionaries mapped to DashboardMetadata fields.
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"""
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query = {
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"columns": ["id", "dashboard_title", "changed_on_utc", "published"]
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}
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@@ -94,34 +114,287 @@ class SupersetClient(BaseSupersetClient):
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return result
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# [/DEF:get_dashboards_summary:Function]
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# [DEF:export_dashboard:Function]
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# @PURPOSE: Экспортирует дашборд в виде ZIP-архива.
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# @PARAM: dashboard_id (int) - ID дашборда для экспорта.
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# @RETURN: Tuple[bytes, str] - Бинарное содержимое ZIP-архива и имя файла.
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def export_dashboard(self, dashboard_id: int) -> Tuple[bytes, str]:
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with belief_scope("export_dashboard"):
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app_logger.info("[export_dashboard][Enter] Exporting dashboard %s.", dashboard_id)
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response = self.network.request(
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method="GET",
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endpoint="/dashboard/export/",
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params={"q": json.dumps([dashboard_id])},
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stream=True,
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raw_response=True,
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)
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response = cast(Response, response)
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self._validate_export_response(response, dashboard_id)
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filename = self._resolve_export_filename(response, dashboard_id)
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app_logger.info("[export_dashboard][Exit] Exported dashboard %s to %s.", dashboard_id, filename)
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return response.content, filename
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# [/DEF:export_dashboard:Function]
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# [DEF:import_dashboard:Function]
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# @PURPOSE: Импортирует дашборд из ZIP-файла.
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# @PARAM: file_name (Union[str, Path]) - Путь к ZIP-архиву.
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# @PARAM: dash_id (Optional[int]) - ID дашборда для удаления при сбое.
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# @PARAM: dash_slug (Optional[str]) - Slug дашборда для поиска ID.
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# @RETURN: Dict - Ответ API в случае успеха.
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def import_dashboard(self, file_name: Union[str, Path], dash_id: Optional[int] = None, dash_slug: Optional[str] = None) -> Dict:
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with belief_scope("import_dashboard"):
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file_path = str(file_name)
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self._validate_import_file(file_path)
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try:
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return self._do_import(file_path)
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except Exception as exc:
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app_logger.error("[import_dashboard][Failure] First import attempt failed: %s", exc, exc_info=True)
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if not self.delete_before_reimport:
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raise
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target_id = self._resolve_target_id_for_delete(dash_id, dash_slug)
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if target_id is None:
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app_logger.error("[import_dashboard][Failure] No ID available for delete-retry.")
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raise
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self.delete_dashboard(target_id)
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app_logger.info("[import_dashboard][State] Deleted dashboard ID %s, retrying import.", target_id)
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return self._do_import(file_path)
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# [/DEF:import_dashboard:Function]
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# [DEF:delete_dashboard:Function]
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# @PURPOSE: Удаляет дашборд по его ID или slug.
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# @PARAM: dashboard_id (Union[int, str]) - ID или slug дашборда.
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def delete_dashboard(self, dashboard_id: Union[int, str]) -> None:
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with belief_scope("delete_dashboard"):
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app_logger.info("[delete_dashboard][Enter] Deleting dashboard %s.", dashboard_id)
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response = self.network.request(method="DELETE", endpoint=f"/dashboard/{dashboard_id}")
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response = cast(Dict, response)
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if response.get("result", True) is not False:
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app_logger.info("[delete_dashboard][Success] Dashboard %s deleted.", dashboard_id)
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else:
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app_logger.warning("[delete_dashboard][Warning] Unexpected response while deleting %s: %s", dashboard_id, response)
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# [/DEF:delete_dashboard:Function]
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# [/SECTION]
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# [SECTION: DATASET OPERATIONS]
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# [DEF:get_datasets:Function]
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# @PURPOSE: Получает полный список датасетов, автоматически обрабатывая пагинацию.
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# @PARAM: query (Optional[Dict]) - Дополнительные параметры запроса.
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# @RETURN: Tuple[int, List[Dict]] - Кортеж (общее количество, список датасетов).
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def get_datasets(self, query: Optional[Dict] = None) -> Tuple[int, List[Dict]]:
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with belief_scope("get_datasets"):
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app_logger.info("[get_datasets][Enter] Fetching datasets.")
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validated_query = self._validate_query_params(query)
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total_count = self._fetch_total_object_count(endpoint="/dataset/")
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paginated_data = self._fetch_all_pages(
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endpoint="/dataset/",
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pagination_options={"base_query": validated_query, "total_count": total_count, "results_field": "result"},
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)
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app_logger.info("[get_datasets][Exit] Found %d datasets.", total_count)
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return total_count, paginated_data
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# [/DEF:get_datasets:Function]
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# [DEF:get_dataset:Function]
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# @PURPOSE: Fetch full dataset structure including columns and metrics.
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# @PRE: dataset_id must be a valid integer.
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# @POST: Returns full dataset metadata from Superset API.
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# @PARAM: dataset_id (int) - The ID of the dataset.
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# @RETURN: Dict - The dataset metadata.
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# @PURPOSE: Получает информацию о конкретном датасете по его ID.
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# @PARAM: dataset_id (int) - ID датасета.
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# @RETURN: Dict - Информация о датасете.
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def get_dataset(self, dataset_id: int) -> Dict:
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with belief_scope("SupersetClient.get_dataset", f"id={dataset_id}"):
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"""
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Fetch full dataset structure.
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"""
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return self.network.get(f"/api/v1/dataset/{dataset_id}").json()
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app_logger.info("[get_dataset][Enter] Fetching dataset %s.", dataset_id)
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response = self.network.request(method="GET", endpoint=f"/dataset/{dataset_id}")
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response = cast(Dict, response)
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app_logger.info("[get_dataset][Exit] Got dataset %s.", dataset_id)
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return response
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# [/DEF:get_dataset:Function]
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# [DEF:update_dataset:Function]
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# @PURPOSE: Update dataset metadata.
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# @PRE: dataset_id must be valid, data must be a valid Superset dataset payload.
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# @POST: Dataset is updated in Superset.
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# @PARAM: dataset_id (int) - The ID of the dataset.
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# @PARAM: data (Dict) - The payload for update.
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def update_dataset(self, dataset_id: int, data: Dict):
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# @PURPOSE: Обновляет данные датасета по его ID.
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# @PARAM: dataset_id (int) - ID датасета.
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# @PARAM: data (Dict) - Данные для обновления.
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# @RETURN: Dict - Ответ API.
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def update_dataset(self, dataset_id: int, data: Dict) -> Dict:
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with belief_scope("SupersetClient.update_dataset", f"id={dataset_id}"):
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"""
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Update dataset metadata.
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"""
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self.network.put(f"/api/v1/dataset/{dataset_id}", json=data)
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app_logger.info("[update_dataset][Enter] Updating dataset %s.", dataset_id)
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response = self.network.request(
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method="PUT",
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endpoint=f"/dataset/{dataset_id}",
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data=json.dumps(data),
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headers={'Content-Type': 'application/json'}
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)
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response = cast(Dict, response)
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app_logger.info("[update_dataset][Exit] Updated dataset %s.", dataset_id)
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return response
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# [/DEF:update_dataset:Function]
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# [/SECTION]
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# [SECTION: DATABASE OPERATIONS]
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# [DEF:get_databases:Function]
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# @PURPOSE: Получает полный список баз данных.
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# @PARAM: query (Optional[Dict]) - Дополнительные параметры запроса.
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# @RETURN: Tuple[int, List[Dict]] - Кортеж (общее количество, список баз данных).
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def get_databases(self, query: Optional[Dict] = None) -> Tuple[int, List[Dict]]:
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with belief_scope("get_databases"):
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app_logger.info("[get_databases][Enter] Fetching databases.")
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validated_query = self._validate_query_params(query or {})
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if 'columns' not in validated_query:
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validated_query['columns'] = []
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total_count = self._fetch_total_object_count(endpoint="/database/")
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paginated_data = self._fetch_all_pages(
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endpoint="/database/",
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pagination_options={"base_query": validated_query, "total_count": total_count, "results_field": "result"},
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)
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app_logger.info("[get_databases][Exit] Found %d databases.", total_count)
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return total_count, paginated_data
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# [/DEF:get_databases:Function]
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# [DEF:get_database:Function]
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# @PURPOSE: Получает информацию о конкретной базе данных по её ID.
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# @PARAM: database_id (int) - ID базы данных.
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# @RETURN: Dict - Информация о базе данных.
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def get_database(self, database_id: int) -> Dict:
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with belief_scope("get_database"):
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app_logger.info("[get_database][Enter] Fetching database %s.", database_id)
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response = self.network.request(method="GET", endpoint=f"/database/{database_id}")
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response = cast(Dict, response)
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app_logger.info("[get_database][Exit] Got database %s.", database_id)
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return response
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# [/DEF:get_database:Function]
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# [DEF:get_databases_summary:Function]
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# @PURPOSE: Fetch a summary of databases including uuid, name, and engine.
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# @RETURN: List[Dict] - Summary of databases.
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def get_databases_summary(self) -> List[Dict]:
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with belief_scope("SupersetClient.get_databases_summary"):
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query = {
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"columns": ["uuid", "database_name", "backend"]
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}
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_, databases = self.get_databases(query=query)
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# Map 'backend' to 'engine' for consistency with contracts
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for db in databases:
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db['engine'] = db.pop('backend', None)
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return databases
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# [/DEF:get_databases_summary:Function]
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# [DEF:get_database_by_uuid:Function]
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# @PURPOSE: Find a database by its UUID.
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# @PARAM: db_uuid (str) - The UUID of the database.
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# @RETURN: Optional[Dict] - Database info if found, else None.
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def get_database_by_uuid(self, db_uuid: str) -> Optional[Dict]:
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with belief_scope("SupersetClient.get_database_by_uuid", f"uuid={db_uuid}"):
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query = {
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"filters": [{"col": "uuid", "op": "eq", "value": db_uuid}]
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}
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_, databases = self.get_databases(query=query)
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return databases[0] if databases else None
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# [/DEF:get_database_by_uuid:Function]
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# [/SECTION]
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# [SECTION: HELPERS]
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# [DEF:_resolve_target_id_for_delete:Function]
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def _resolve_target_id_for_delete(self, dash_id: Optional[int], dash_slug: Optional[str]) -> Optional[int]:
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with belief_scope("_resolve_target_id_for_delete"):
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if dash_id is not None:
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return dash_id
|
||||
if dash_slug is not None:
|
||||
app_logger.debug("[_resolve_target_id_for_delete][State] Resolving ID by slug '%s'.", dash_slug)
|
||||
try:
|
||||
_, candidates = self.get_dashboards(query={"filters": [{"col": "slug", "op": "eq", "value": dash_slug}]})
|
||||
if candidates:
|
||||
target_id = candidates[0]["id"]
|
||||
app_logger.debug("[_resolve_target_id_for_delete][Success] Resolved slug to ID %s.", target_id)
|
||||
return target_id
|
||||
except Exception as e:
|
||||
app_logger.warning("[_resolve_target_id_for_delete][Warning] Could not resolve slug '%s' to ID: %s", dash_slug, e)
|
||||
return None
|
||||
# [/DEF:_resolve_target_id_for_delete:Function]
|
||||
|
||||
# [DEF:_do_import:Function]
|
||||
def _do_import(self, file_name: Union[str, Path]) -> Dict:
|
||||
with belief_scope("_do_import"):
|
||||
app_logger.debug(f"[_do_import][State] Uploading file: {file_name}")
|
||||
file_path = Path(file_name)
|
||||
if not file_path.exists():
|
||||
app_logger.error(f"[_do_import][Failure] File does not exist: {file_name}")
|
||||
raise FileNotFoundError(f"File does not exist: {file_name}")
|
||||
|
||||
return self.network.upload_file(
|
||||
endpoint="/dashboard/import/",
|
||||
file_info={"file_obj": file_path, "file_name": file_path.name, "form_field": "formData"},
|
||||
extra_data={"overwrite": "true"},
|
||||
timeout=self.env.timeout * 2,
|
||||
)
|
||||
# [/DEF:_do_import:Function]
|
||||
|
||||
# [DEF:_validate_export_response:Function]
|
||||
def _validate_export_response(self, response: Response, dashboard_id: int) -> None:
|
||||
with belief_scope("_validate_export_response"):
|
||||
content_type = response.headers.get("Content-Type", "")
|
||||
if "application/zip" not in content_type:
|
||||
raise SupersetAPIError(f"Получен не ZIP-архив (Content-Type: {content_type})")
|
||||
if not response.content:
|
||||
raise SupersetAPIError("Получены пустые данные при экспорте")
|
||||
# [/DEF:_validate_export_response:Function]
|
||||
|
||||
# [DEF:_resolve_export_filename:Function]
|
||||
def _resolve_export_filename(self, response: Response, dashboard_id: int) -> str:
|
||||
with belief_scope("_resolve_export_filename"):
|
||||
filename = get_filename_from_headers(dict(response.headers))
|
||||
if not filename:
|
||||
from datetime import datetime
|
||||
timestamp = datetime.now().strftime("%Y%m%dT%H%M%S")
|
||||
filename = f"dashboard_export_{dashboard_id}_{timestamp}.zip"
|
||||
app_logger.warning("[_resolve_export_filename][Warning] Generated filename: %s", filename)
|
||||
return filename
|
||||
# [/DEF:_resolve_export_filename:Function]
|
||||
|
||||
# [DEF:_validate_query_params:Function]
|
||||
def _validate_query_params(self, query: Optional[Dict]) -> Dict:
|
||||
with belief_scope("_validate_query_params"):
|
||||
base_query = {"page": 0, "page_size": 1000}
|
||||
return {**base_query, **(query or {})}
|
||||
# [/DEF:_validate_query_params:Function]
|
||||
|
||||
# [DEF:_fetch_total_object_count:Function]
|
||||
def _fetch_total_object_count(self, endpoint: str) -> int:
|
||||
with belief_scope("_fetch_total_object_count"):
|
||||
return self.network.fetch_paginated_count(
|
||||
endpoint=endpoint,
|
||||
query_params={"page": 0, "page_size": 1},
|
||||
count_field="count",
|
||||
)
|
||||
# [/DEF:_fetch_total_object_count:Function]
|
||||
|
||||
# [DEF:_fetch_all_pages:Function]
|
||||
def _fetch_all_pages(self, endpoint: str, pagination_options: Dict) -> List[Dict]:
|
||||
with belief_scope("_fetch_all_pages"):
|
||||
return self.network.fetch_paginated_data(endpoint=endpoint, pagination_options=pagination_options)
|
||||
# [/DEF:_fetch_all_pages:Function]
|
||||
|
||||
# [DEF:_validate_import_file:Function]
|
||||
def _validate_import_file(self, zip_path: Union[str, Path]) -> None:
|
||||
with belief_scope("_validate_import_file"):
|
||||
path = Path(zip_path)
|
||||
if not path.exists():
|
||||
raise FileNotFoundError(f"Файл {zip_path} не существует")
|
||||
if not zipfile.is_zipfile(path):
|
||||
raise SupersetAPIError(f"Файл {zip_path} не является ZIP-архивом")
|
||||
with zipfile.ZipFile(path, "r") as zf:
|
||||
if not any(n.endswith("metadata.yaml") for n in zf.namelist()):
|
||||
raise SupersetAPIError(f"Архив {zip_path} не содержит 'metadata.yaml'")
|
||||
# [/DEF:_validate_import_file:Function]
|
||||
|
||||
# [/SECTION]
|
||||
|
||||
# [/DEF:SupersetClient:Class]
|
||||
|
||||
# [/DEF:backend.src.core.superset_client:Module]
|
||||
|
||||
Reference in New Issue
Block a user