Chatbot.py

from tkinter import *
import nltk
from nltk.chat.util import Chat, reflections
root = Tk()
root.title("Chatbot")
def send():
    send = "You -> "+e.get()
    txt.insert(END, "n"+send)
    user = e.get().lower()
    if(user == "hello"):
        txt.insert(END, "n" + "Bot -> Hi")
    elif(user == "hi" or user == "hii" or user == "hiiii"):
        txt.insert(END, "n" + "Bot -> Hello")
    elif(e.get() == "how are you"):
        txt.insert(END, "n" + "Bot -> fine! and you")
    elif(user == "fine" or user == "i am good" or user == "i am doing good"):
        txt.insert(END, "n" + "Bot -> Great! how can I help you.")
    else:
        txt.insert(END, "n" + "Bot -> Sorry! I dind't got you")
    e.delete(0, END)
txt = Text(root)
txt.grid(row=0, column=0, columnspan=2)
e = Entry(root, width=100)
e.grid(row=1, column=0)
send = Button(root, text="Send", command=send).grid(row=1, column=1)
root.mainloop()

reflections = {
  "i am"       : "you are",
  "i was"      : "you were",
  "i"          : "you",
  "i'm"        : "you are",
  "i'd"        : "you would",
  "i've"       : "you have",
  "i'll"       : "you will",
  "my"         : "your",
  "you are"    : "I am",
  "you were"   : "I was",
  "you've"     : "I have",
  "you'll"     : "I will",
  "your"       : "my",
  "yours"      : "mine",
  "you"        : "me",
  "me"         : "you"
}

pairs = [
    [
        r"my name is (.*)",
        ["Hello %1, How are you today ?",]
    ],
    [
        r"hi|hey|hello",
        ["Hello", "Hey there",]
    ],
    [
        r"what is your name ?",
        ["I am a bot created by Codingwithsagar. you can call me crazy!",]
    ],

    [
        r"how are you ?",
        ["I'm doing goodnHow about You ?",]
    ],
    [
        r"I'm also good",
        ["How can i help you ?",]
    ],

    [
        r"sorry (.*)",
        ["Its alright","Its OK, never mind",]
    ],
    [
        r"I am fine",
        ["Great to hear that, How can I help you?",]
    ],

    [
        r"i'm (.*) doing good",
        ["Nice to hear that","How can I help you?:)",]
    ],
    [
        r"(.*) age?",
        ["I'm a computer program dudenSeriously you are asking me this?",]
    ],
    [
        r"what (.*) want ?",
        ["Make me an offer I can't refuse",]
    ],
    [
        r"(.*) created ?",
        ["Sagar created me using Python's NLTK library ","top secret ;)",]
    ],
    [
        r"(.*) (location|city) ?",
        ['Nagour, Maharashtra',]
    ],
    [
        r"how is weather in (.*)?",
        ["Weather in %1 is awesome like always","Too hot man here in %1","Too cold man here in %1","Never even heard about %1"]
    ],
    [
        r"i work in (.*)?",
        ["%1 is an Amazing company, I have heard about it. But they are in huge loss these days.",]
    ],
    [
        r"(.*)raining in (.*)",
        ["No rain since last week here in %2","Damn its raining too much here in %2"]
    ],
    [
        r"how (.*) health(.*)",
        ["I'm a computer program, so I'm always healthy ",]
    ],
    [
        r"(.*) (sports|game) ?",
        ["I'm a very big fan of Football",]
    ],
    [
        r"who (.*) sportsperson ?",
        ["Messy","Ronaldo","Roony"]
    ],
    [
        r"who (.*) (moviestar|actor)?",
        ["Brad Pitt"]
    ],
    [
        r"i am looking for online guides and courses to learn data science, can you suggest?",
        ["Crazy_Tech has many great articles with each step explanation along with code, you can explore"]
    ],
    [
        r"quit",
        ["BBye take care. See you soon :) ","It was nice talking to you. See you soon :)"]
    ],
]

def chat():
    print("Hi! I am a chatbot created by Codingwithsagar for your service")
    chat = Chat(pairs, reflections)
    chat.converse()
#initiate the conversation
if __name__ == "__main__":
    chat()