| from __future__ import annotations |
|
|
| import logging |
| import subprocess |
| import sys |
| from typing import Any, Dict, Sequence |
|
|
| LOGGER = logging.getLogger(__name__) |
|
|
| DEFAULT_DEPENDENCIES: Sequence[str] = ( |
| "datasets", |
| "huggingface_hub", |
| "pillow", |
| "requests", |
| "openai", |
| ) |
|
|
| _CACHE: Dict[str, Any] | None = None |
|
|
|
|
| def ensure_packages(packages: Sequence[str]) -> None: |
| missing: list[str] = [] |
| for package in packages: |
| module_name = "PIL" if package == "pillow" else package |
| try: |
| __import__(module_name) |
| except ModuleNotFoundError: |
| missing.append(package) |
|
|
| if not missing: |
| return |
|
|
| LOGGER.info("Installing missing packages: %s", ", ".join(missing)) |
| subprocess.run([sys.executable, "-m", "pip", "install", *missing], check=True) |
|
|
|
|
| def bootstrap() -> Dict[str, Any]: |
| global _CACHE |
| if _CACHE is None: |
| ensure_packages(DEFAULT_DEPENDENCIES) |
|
|
| from datasets import load_dataset as _load_dataset |
| import requests as _requests |
| from huggingface_hub import ( |
| HfApi as _HfApi, |
| create_repo as _create_repo, |
| snapshot_download as _snapshot_download, |
| ) |
| from PIL import Image as _Image |
|
|
| _CACHE = { |
| "load_dataset": _load_dataset, |
| "requests": _requests, |
| "HfApi": _HfApi, |
| "create_repo": _create_repo, |
| "snapshot_download": _snapshot_download, |
| "Image": _Image, |
| } |
| return _CACHE.copy() |
|
|
|
|
| def get_dependency(name: str) -> Any: |
| cache = bootstrap() |
| if name not in cache: |
| raise KeyError(f"Unknown dependency requested: {name}") |
| return cache[name] |
|
|
|
|
| __all__ = [ |
| "DEFAULT_DEPENDENCIES", |
| "ensure_packages", |
| "bootstrap", |
| "get_dependency", |
| ] |
|
|
|
|
|
|
