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bf6abd3 b40ab72 88c5b30 b40ab72 bf6abd3 b40ab72 bf6abd3 b40ab72 88c5b30 b40ab72 bf6abd3 b40ab72 88c5b30 bf6abd3 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 | from langgraph.graph import StateGraph,START, END, MessagesState
from langgraph.prebuilt import tools_condition, ToolNode
from langchain_core.prompts import ChatPromptTemplate
from src.langgraph_agenticai.state.state import State
from src.langgraph_agenticai.nodes.basic_chatbot_node import BasicChatbotNode
from src.langgraph_agenticai.nodes.chatbot_with_tools_node import ChatbotWithToolsNode
from src.langgraph_agenticai.nodes.chatbot_ai_news_node import ChatbotAINewsNode
from src.langgraph_agenticai.tools.search_tool import get_tools, create_tool_node
class GraphBuilder:
def __init__(self, model):
self.llm = model
self.graph_builder = StateGraph(State)
def basic_chatbot_build_graph(self):
"""
Builds a basic chatbot graph using LangGraph.
This method initializes a chatbot node using the `BasicChatbotNode` class
and integrates it into the graph. The chatbot node is set as both the
entry and exit point of the graph.
"""
self.basic_chatbot_node = BasicChatbotNode(self.llm)
self.graph_builder.add_node("chatbot", self.basic_chatbot_node.process)
self.graph_builder.add_edge(START, "chatbot")
self.graph_builder.add_edge("chatbot", END)
def chatbot_with_tools_build_graph(self):
"""
Builds an advanced chatbot graph with tool integration.
This method creates a chatbot graph that includes both a chatbot node
and a tool node. It defines tools, initializes the chatbot with tool
capabilities, and sets up conditional and direct edges between nodes.
The chatbot node is set as the entry point.
"""
## Define the tool and tool node
tools = get_tools()
tool_node = create_tool_node(tools)
## Define the LLM
llm = self.llm
## Define Chatbot node
obj_chatbot_with_tools_node = ChatbotWithToolsNode(llm)
chatbot_node = obj_chatbot_with_tools_node.create_chatbot(tools)
## Add nodes
self.graph_builder.add_node("chatbot", chatbot_node)
self.graph_builder.add_node("tools", tool_node)
## define conditional and direct edges
self.graph_builder.add_edge(START,"chatbot")
self.graph_builder.add_conditional_edges("chatbot", tools_condition)
self.graph_builder.add_edge("tools", "chatbot")
def chatbot_ai_news_biuld_graph(self):
"""
Chatbot which provided AI News
"""
## Define the tool and tool node
tools = get_tools()
tool_node = create_tool_node(tools)
## Define the LLM
llm = self.llm
## Define Chatbot node
obj_chatbot_ai_news_node = ChatbotAINewsNode(llm)
chatbot_node = obj_chatbot_ai_news_node.create_ai_new_chatbot(tools)
## Add nodes
self.graph_builder.add_node("chatbot", chatbot_node)
self.graph_builder.add_node("tools", tool_node)
## define conditional and direct edges
self.graph_builder.add_edge(START,"chatbot")
self.graph_builder.add_conditional_edges("chatbot", tools_condition)
self.graph_builder.add_edge("tools", "chatbot")
def setup_graph(self, usecase: str):
"""
Sets up the graph for the selected use case.
"""
if usecase == "Basic Chatbot":
self.basic_chatbot_build_graph()
if usecase == "Chatbot with Tool":
self.chatbot_with_tools_build_graph()
if usecase == "AI News":
self.chatbot_ai_news_biuld_graph()
pass
return self.graph_builder.compile() |