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| #!/usr/bin/env python | |
| # Copyright 2024 The HuggingFace Inc. team. All rights reserved. | |
| # | |
| # Licensed under the Apache License, Version 2.0 (the "License"); | |
| # you may not use this file except in compliance with the License. | |
| # You may obtain a copy of the License at | |
| # | |
| # http://www.apache.org/licenses/LICENSE-2.0 | |
| # | |
| # Unless required by applicable law or agreed to in writing, software | |
| # distributed under the License is distributed on an "AS IS" BASIS, | |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| # See the License for the specific language governing permissions and | |
| # limitations under the License. | |
| import importlib | |
| import logging | |
| def is_package_available(pkg_name: str, return_version: bool = False) -> tuple[bool, str] | bool: | |
| """Copied from https://github.com/huggingface/transformers/blob/main/src/transformers/utils/import_utils.py | |
| Check if the package spec exists and grab its version to avoid importing a local directory. | |
| **Note:** this doesn't work for all packages. | |
| """ | |
| package_exists = importlib.util.find_spec(pkg_name) is not None | |
| package_version = "N/A" | |
| if package_exists: | |
| try: | |
| # Primary method to get the package version | |
| package_version = importlib.metadata.version(pkg_name) | |
| except importlib.metadata.PackageNotFoundError: | |
| # Fallback method: Only for "torch" and versions containing "dev" | |
| if pkg_name == "torch": | |
| try: | |
| package = importlib.import_module(pkg_name) | |
| temp_version = getattr(package, "__version__", "N/A") | |
| # Check if the version contains "dev" | |
| if "dev" in temp_version: | |
| package_version = temp_version | |
| package_exists = True | |
| else: | |
| package_exists = False | |
| except ImportError: | |
| # If the package can't be imported, it's not available | |
| package_exists = False | |
| else: | |
| # For packages other than "torch", don't attempt the fallback and set as not available | |
| package_exists = False | |
| logging.debug(f"Detected {pkg_name} version: {package_version}") | |
| if return_version: | |
| return package_exists, package_version | |
| else: | |
| return package_exists | |
| _torch_available, _torch_version = is_package_available("torch", return_version=True) | |
| _gym_xarm_available = is_package_available("gym_xarm") | |
| _gym_aloha_available = is_package_available("gym_aloha") | |
| _gym_pusht_available = is_package_available("gym_pusht") | |