def METHOD_NAME():
    """!Parse region from GRASS_REGION env var."""
    region = os.environ["GRASS_REGION"]
    conv_reg_vals = {
        "east": "e",
        "north": "n",
        "west": "w",
        "south": "s",
        "rows": "rows",
        "cols": "cols",
        "e-w resol": "ewres",
        "n-s resol": "nsres",
    }
    keys_to_convert = conv_reg_vals.keys()
    conv_region = {}
    region = region.split(";")
    for r in region:
        r = r.split(":")
        r[0] = r[0].strip()
        if r[0] in keys_to_convert:
            conv_region[conv_reg_vals[r[0]]] = float(r[1])
    return conv_region