Function check_packages

scripts/check_environment.py:65–135

(package_list, success_status=True)

def check_packages(package_list, success_status=True):
    def print_success(package, version=None):
        if version:
            print(f"\033[92m[SUCCESS]\033[0m {package} found (v{version})")
        else:
            print(f"\033[92m[SUCCESS]\033[0m {package} found")

    def print_error(message):
        print(f"\033[91m[ERROR]\033[0m {message}")

    for package in package_list:
        if isinstance(package, tuple):
            found = False
            for alt_package in package:
                try:
                    module = importlib.import_module(alt_package)
                    version = getattr(module, "__version__", None)
                    print_success(alt_package, version)
                    found = True
                    break
                except ImportError:
                    continue
            if not found:
                print_error(f"None of the alternative packages found: \033[93m{', '.join(package)}\033[0m")
                success_status = False
        elif package == "apex":
            try:
                module = importlib.import_module(package)
                version = getattr(module, "__version__", None)
                print_success(package, version)
                try:
                    from apex import multi_tensor_apply  # noqa: F401

                    print_success("apex.multi_tensor_apply")
                except ImportError:
                    print_error("apex.multi_tensor_apply not found")
                    success_status = False
            except ImportError:
                print_error("apex not found")
                success_status = False
        elif package == "transformer_engine":
            try:
                module = importlib.import_module(package)
                version = getattr(module, "__version__", None)
                print_success(package, version)
                try:
                    import transformer_engine.pytorch  # noqa: F401

                    print_success("transformer_engine.pytorch")
                except ImportError:
                    print_error("transformer_engine.pytorch not found")
                    success_status = False
            except ImportError:
                print_error("transformer_engine not found")
                success_status = False
        else:
            try:
                module = importlib.import_module(package)