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apps / winecellar / backend / app / services / labels_service.py

Path: apps/winecellar/backend/app/services/labels_service.py
Lane: apps
Executable: no/unknown

Purpose

Component: labels_service

Lane: apps

Path: apps/winecellar/backend/app/services/labels_service.py

Role: Service

Purpose: - Defines 4 function(s) used by neighboring modules. - Implements backend business logic called by API routers.

Inputs: - HTTP request payloads/params handled through FastAPI routing. - Database sessions/queries executed through SQLAlchemy-related APIs.

Outputs: - Writes files/artifacts to local filesystem paths. - Returns HTTP responses and status codes to API clients. - Creates/updates/queries database state via transaction boundaries.

Execution: - Request-driven execution when mounted into the backend FastAPI app.

Failure modes: - Request validation errors or missing required request fields. - Database connectivity/transaction failures during query or commit. - Type/shape mismatches passed into exported functions/classes.

Entry points

  • No __main__ guard detected

Key symbols

Classes

  • (none detected)

Functions

  • _next_3digit_prefix(folder)
  • cleanup_orphan_label_files(session)
  • get_used_label_filenames(session)
  • save_label_upload(upload, pictures_dir)

Configuration & environment

  • (no env vars detected by regex)

Dependencies (imports)

  • __future__
  • backend.app.models.wine
  • datetime
  • fastapi
  • json
  • os
  • pathlib
  • re
  • shutil
  • sqlalchemy
  • sqlalchemy.orm
  • time
  • typing

Operational notes (fill in)

  • Headless/interactive:
  • Systemd unit (if any):
  • Schedules/triggers:
  • Debug artifacts:
  • Failure modes: