from flask import Flask, request
import json
import subprocess

app = Flask(__name__)


@app.route('/train_and_save/', methods=['POST'])
def save_train_log():
    if request.method == 'POST':
        get_cmd = request.get_data().decode('utf-8')
        instruction_text = json.loads(get_cmd)
        instruction = instruction_text['instruction']

        print('instructions:', instruction)

        if instruction == 'train_and_save':
            cmd = 'rasa train 2>&1 | tee rasa_train_model.log'
            subprocess.run(cmd, shell=True, stdout=subprocess.PIPE)

            output_text = 'The model training is completed, and the training log is saved successfully'
            return json.dumps(output_text, ensure_ascii=False)

        else:
            output_text = 'Please enter train_and_save to start training the model and save the training log....'
            return json.dumps(output_text, ensure_ascii=False)

    else:
        return json.dumps('请使用POST请求访问连接', ensure_ascii=False)


if __name__ == '__main__':
    app.run('0.0.0.0', port=2263, debug=True)