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d64e535 1c1285c d64e535 d63b69a 1c1285c d63b69a d64e535 1c1285c d64e535 d63b69a 1c1285c d63b69a d64e535 1c1285c d64e535 d63b69a 1c1285c d63b69a | 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 99 100 101 | from langgraph.graph import StateGraph, START,END, MessagesState
from langgraph.prebuilt import tools_condition,ToolNode
from langchain_core.prompts import ChatPromptTemplate
from src.langgraphagenticai.state.state import State
from src.langgraphagenticai.state.bloggenerator_state import BlogGeneratorState
from src.langgraphagenticai.nodes.basic_chatbot_node import BasicChatbotNode
from src.langgraphagenticai.nodes.chatbot_with_Tool_node import ChatbotWithToolNode
from src.langgraphagenticai.nodes.bloggenerator_chatbot_node import BlogGeneratorNode
from src.langgraphagenticai.tools.search_tool import get_tools,create_tool_node
class GraphBuilder:
def __init__(self,model):
self.llm=model
self.graph_builder=StateGraph(State)
self.blog_graph_builder=StateGraph(BlogGeneratorState)
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 LLM
llm = self.llm
# Define chatbot node
obj_chatbot_with_node = ChatbotWithToolNode(llm)
chatbot_node = obj_chatbot_with_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 blog_generator_build_graph(self):
## Define LLM
llm = self.llm
# Define Blog Generator Node
self.obj_blog_generator_node = BlogGeneratorNode(llm)
# Add nodes
self.blog_graph_builder.add_node("chatbot", self.obj_blog_generator_node.process)
self.blog_graph_builder.add_node("titleagent", self.obj_blog_generator_node.titleagent)
self.blog_graph_builder.add_node("blogagent", self.obj_blog_generator_node.blogagent)
self.blog_graph_builder.add_node("finalblogagent", self.obj_blog_generator_node.finalblogagent)
# add edges
self.blog_graph_builder.add_edge(START, "chatbot")
self.blog_graph_builder.add_edge("chatbot", "titleagent")
self.blog_graph_builder.add_edge("chatbot", "blogagent")
self.blog_graph_builder.add_edge("titleagent", "finalblogagent")
self.blog_graph_builder.add_edge("blogagent", "finalblogagent")
self.blog_graph_builder.add_edge("finalblogagent", END)
def setup_graph(self, usecase: str):
"""
Sets up the graph for the selected use case.
"""
if usecase == "Basic Chatbot":
self.basic_chatbot_build_graph()
return self.graph_builder.compile()
if usecase == "Chatbot with Tool":
self.chatbot_with_tools_build_graph()
return self.graph_builder.compile()
if usecase == "Blog Generator Chatbot":
self.blog_generator_build_graph()
return self.blog_graph_builder.compile()
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