enhanced chatbot

6-NLP/1-Introduction-to-NLP/solution/bot.py

@@ -1,26 +1,91 @@
 import random
+import string
+# New Test
+INTENTS = {
+   "greeting": ["hello", "hi", "hey"],
+    "question": ["why", "what", "how", "is", "are", "?"],
+    "opinion": ["i think", "i believe", "in my opinion"],
+    "goodbye": ["bye", "exit", "quit"]
+}
+responses ={
+     "greeting": [
+        "Hello. How can I assist you today?"
+    ],
+    "question": [
+        "That is a thoughtful question. Could you clarify further?",
+        "Let us explore that in more detail."
+    ],
+    "opinion": [
+        "That is an interesting perspective. What led you to that conclusion?"
+    ],
+    "unknown": [
+        "I am not entirely sure I understand. Could you rephrase?",
+        "Could you provide more detail so I can respond appropriately?"
+    ]
+}
+conversation_state = {
+    "last_intent": None,
+    "last_topic": None
+}
+def normalize(text):
+    text = text.lower()
+    return text.translate(str.maketrans('', '', string.punctuation))
+def detect_intent(text):
+    for intent, patterns in INTENTS.items():
+        for pattern in patterns:
+            if pattern in text:
+                return intent
+    return "unknown"
 
-# This list contains the random responses (you can add your own or translate them into your own language too)
+def extract_topic(text):
-random_responses = ["That is quite interesting, please tell me more.",
+    keywords = ["coding", "programming", "money", "career", "finance"]
-                    "I see. Do go on.",
+    for word in keywords:
-                    "Why do you say that?",
+        if word in text:
-                    "Funny weather we've been having, isn't it?",
+            return word
-                    "Let's change the subject.",
+    return None
-                    "Did you catch the game last night?"]
-
-print("Hello, I am Marvin, the simple robot.")
-print("You can end this conversation at any time by typing 'bye'")
-print("After typing each answer, press 'enter'")
-print("How are you today?")
 
+def generate_response(intent, topic):
+    base_response = random.choice(responses.get(intent, responses["unknown"]))
+    if topic:
+        return f"{base_response} You mentioned {topic}, Would you like to discuss it further?"
+    return base_response
+print("Hello, I am Paskal Chatbot, the conversational AI.")
+print("Type 'bye' to end the conversation.")
 while True:
-    # wait for the user to enter some text
     user_input = input("> ")
-    if user_input.lower() == "bye":
+    normalized_input = normalize(user_input)
-        # if they typed in 'bye' (or even BYE, ByE, byE etc.), break out of the loop
+    if normalized_input == "bye":
+        print("It was nice talking to you, goodbye!")
         break
-    else:
+    intent = detect_intent(normalized_input)
-        response = random.choices(random_responses)[0]
+    topic = extract_topic(normalized_input)
+    conversation_state["last_intent"] = intent
+    if topic:
+        conversation_state["last_topic"] = topic
+    response = generate_response(intent, topic)
     print(response)
 
-print("It was nice talking to you, goodbye!")
+    # This list contains the random responses (you can add your own or translate them into your own language too)
+# random_responses = ["That is quite interesting, please tell me more.",
+#                     "I see. Do go on.",
+#                     "Why do you say that?",
+#                     "Funny weather we've been having, isn't it?",
+#                     "Let's change the subject.",
+#                     "Did you catch the game last night?"]
+
+# print("Hello, I am Marvin, the simple robot.")
+# print("You can end this conversation at any time by typing 'bye'")
+# print("After typing each answer, press 'enter'")
+# print("How are you today?")
+
+# while True:
+#     # wait for the user to enter some text
+#     user_input = input("> ")
+#     if user_input.lower() == "bye":
+#         # if they typed in 'bye' (or even BYE, ByE, byE etc.), break out of the loop
+#         break
+#     else:
+#         response = random.choices(random_responses)[0]
+#     print(response)
+
+# print("It was nice talking to you, goodbye!")