models/text_to_video.py

import tempfile
import os

try:
    from modelscope.pipelines import pipeline
    from modelscope.outputs import OutputKeys
    MODELSCOPE_AVAILABLE = True
except ImportError:
    MODELSCOPE_AVAILABLE = False

def generate_video(prompt):
    if not MODELSCOPE_AVAILABLE:
        raise ImportError("The modelscope library is not installed or there was an error importing it. "
                          "Please make sure all dependencies are correctly installed.")

    pipe = pipeline('text-to-video-synthesis', 'damo/text-to-video-synthesis')
    output = pipe({'text': prompt})
    video = output[OutputKeys.OUTPUT_VIDEO]

    with tempfile.NamedTemporaryFile(delete=False, suffix='.mp4') as temp_file:
        temp_path = temp_file.name
        with open(temp_path, 'wb') as f:
            f.write(video)

    return temp_path