bot.py

import re
import long_response as long

def message_probability(user_message,recognised_words,single_response=False,required_words=[]):
    message_certainty=0
    has_required_words=True
    for word in user_message:r̥
        if word in recognised_words:
            message_certainty +=1

    percentage=float(message_certainty)/float(len(recognised_words))
    for word in required_words:
        if word not in user_message:
            has_required_words =False
            break
    if has_required_words or single_response:
        return int(percentage*100)
    else:
        return 0
def check_all_messages(message):
    highest_prob_list={}

    def response(bot_response,list_of_words,single_response=False,required_words=[]):
        nonlocal highest_prob_list
        highest_prob_list[bot_response]=message_probability(message,list_of_words,single_response,required_words)


    response('Hello!',['hello','hi','hey'],single_response=True)
    response('I\m doing fine, and you?',['how','are','you','doing'],required_words=['how'])
    response('Thank you!',['for','help','me'],required_words=['code','palace'])
    response(long.R_EATING,['what','you','eat'],required_words=['you','eat'])
    best_match=max(highest_prob_list,key=highest_prob_list.get)
    #print(highest_prob_list)
    #return best_match
    return long.unknown() if highest_prob_list[best_match]<1 else best_match


def get_response(user_input):
    split_message = re.split(r'\s+|[,;?!.-]\s*', user_input.lower())
    response= check_all_messages(split_message)
    return response



while True:
    print('Bot: ' + get_response(input('You: ')))