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@ -1,7 +1,12 @@
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"""
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credits : https://medium.com/google-developer-experts/beyond-live-sessions-building-persistent-memory-chatbots-with-langchain-gemini-pro-and-firebase-19d6f84e21d3
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"""
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import os
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import mysql.connector
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import datetime
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from dotenv import load_dotenv
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import mysql.connector
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from together import Together
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from groq import Groq
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@ -20,8 +25,9 @@ api_service = os.environ.get("API_SERVICE")
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def create_tables() -> None:
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"""
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Create the ChatDB.Chat_history and ChatDB.Chat_data tables if they do not exist.
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Also, create a trigger to update is_stream in Chat_data when Chat_history.is_stream is updated.
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Create the ChatDB.Chat_history and ChatDB.Chat_data tables
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if they do not exist.Also, create a trigger to update is_stream
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in Chat_data when Chat_history.is_stream is updated.
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"""
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try:
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conn = mysql.connector.connect(**db_config)
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@ -77,7 +83,8 @@ def insert_chat_history(start_time: datetime.datetime, is_stream: int) -> None:
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"""
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Insert a new row into the ChatDB.Chat_history table.
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:param start_time: Timestamp of when the chat started
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:param is_stream: Indicator of whether the conversation is ongoing, starting, or ending
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:param is_stream: Indicator of whether the conversation is
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ongoing, starting, or ending
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"""
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try:
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conn = mysql.connector.connect(**db_config)
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@ -107,7 +114,7 @@ def get_latest_chat_id() -> int:
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cursor = conn.cursor()
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cursor.execute(
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"""
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SELECT chat_id FROM ChatDB.Chat_history
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SELECT chat_id FROM ChatDB.Chat_history
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ORDER BY chat_id DESC LIMIT 1
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"""
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)
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@ -115,7 +122,7 @@ def get_latest_chat_id() -> int:
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return chat_id if chat_id else None
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except mysql.connector.Error as err:
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print(f"Error: {err}")
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return None
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return 0
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finally:
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cursor.close()
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conn.close()
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@ -151,8 +158,10 @@ def generate_llm_response(
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) -> str:
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"""
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Generate a response from the LLM based on the conversation history.
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:param conversation_history: List of dictionaries representing the conversation so far
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:param api_service: Choose between "Together" or "Groq" as the API service
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:param conversation_history: List of dictionaries representing
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the conversation so far
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:param api_service: Choose between "Together" or "Groq" as the
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API service
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:return: Assistant's response as a string
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"""
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bot_response = ""
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@ -194,7 +203,8 @@ def chat_session() -> None:
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print("Welcome to the chatbot! Type '/stop' to end the conversation.")
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conversation_history = []
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start_time = datetime.datetime.now()
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start_time = datetime.datetime.now(datetime.timezone.utc)
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chat_id_pk = None
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api_service = "Groq" # or "Together"
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@ -215,7 +225,7 @@ def chat_session() -> None:
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else:
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if user_input.lower() == "/stop":
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is_stream = 2 # End of conversation
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current_time = datetime.datetime.now()
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current_time = datetime.datetime.now(datetime.timezone.utc)
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insert_chat_history(current_time, is_stream)
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break
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@ -223,7 +233,7 @@ def chat_session() -> None:
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conversation_history.append({"role": "assistant", "content": bot_response})
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is_stream = 0 # Continuation of conversation
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current_time = datetime.datetime.now()
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current_time = datetime.datetime.now(datetime.timezone.utc)
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insert_chat_history(current_time, is_stream)
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insert_chat_data(chat_id_pk, user_input, bot_response)
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@ -231,6 +241,6 @@ def chat_session() -> None:
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conversation_history = conversation_history[-3:]
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# Example of starting a chat session
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# starting a chat session
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create_tables()
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chat_session()
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