import os

from unstructured_inference.models.base import get_model


def initialize():
    """Download default model or model specified by UNSTRUCTURED_HI_RES_MODEL_NAME environment
    variable (avoids subprocesses all doing the same)"""

    # If more than one model will be supported and left up to user selection
    supported_model = os.environ.get("UNSTRUCTURED_HI_RES_SUPPORTED_MODEL", "")
    if supported_model:
        for model_name in supported_model.split(","):
            get_model(model_name=model_name)

    get_model(os.environ.get("UNSTRUCTURED_HI_RES_MODEL_NAME"))