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import argparse
import os.path

import gradio as gr
from gradio.components import Textbox, Image

from ovis.serve.runner import RunnerArguments, OvisRunner


class Server:
    def __init__(self, runner: OvisRunner):
        self.runner = runner

    def __call__(self, image, text):
        response = self.runner.run([image, text])
        output = response["output"]
        return output


if __name__ == '__main__':
    parser = argparse.ArgumentParser(description='Ovis Server')
    parser.add_argument('--model_path', type=str, required=True)
    parser.add_argument('--flagging_dir', type=str, default=os.path.expanduser('~/ovis-flagged'))
    parser.add_argument('--max_partition', type=int, default=9)
    parser.add_argument('--port', type=int, required=True)
    args = parser.parse_args()

    os.makedirs(args.flagging_dir, exist_ok=True)
    runner_args = RunnerArguments(
        model_path=args.model_path,
        max_partition=args.max_partition
    )
    demo = gr.Interface(
        fn=Server(OvisRunner(runner_args)),
        inputs=[Image(type='pil', label='image'),
                Textbox(placeholder='Enter your text here...', label='prompt')],
        outputs=gr.Markdown(),
        title=args.model_path.split('/')[-1],
        flagging_dir=args.flagging_dir
    )
    demo.launch(server_port=args.port)