Spaces:
Sleeping
Sleeping
Update app.py
Browse files
app.py
CHANGED
|
@@ -10,15 +10,14 @@ from langchain.memory import ConversationBufferMemory
|
|
| 10 |
from langchain.agents import Tool, initialize_agent
|
| 11 |
from langchain.agents.agent_types import AgentType
|
| 12 |
|
| 13 |
-
|
| 14 |
-
|
| 15 |
-
pipe = pipeline("text2text-generation", model="google/flan-t5-small", max_new_tokens=50)
|
| 16 |
llm = HuggingFacePipeline(pipeline=pipe)
|
| 17 |
|
| 18 |
-
#
|
| 19 |
memory = ConversationBufferMemory(memory_key="chat_history", return_messages=True)
|
| 20 |
|
| 21 |
-
#
|
| 22 |
def carregar_documento_txt(path):
|
| 23 |
loader = TextLoader(path, encoding="latin-1")
|
| 24 |
documentos = loader.load()
|
|
@@ -30,23 +29,19 @@ def carregar_documento_txt(path):
|
|
| 30 |
|
| 31 |
vectorstore = carregar_documento_txt("meu_documento.txt")
|
| 32 |
|
| 33 |
-
#
|
| 34 |
chat_chain = ConversationalRetrievalChain.from_llm(
|
| 35 |
llm=llm,
|
| 36 |
retriever=vectorstore.as_retriever(),
|
| 37 |
memory=memory,
|
| 38 |
)
|
| 39 |
|
| 40 |
-
#
|
| 41 |
-
|
| 42 |
-
# 1. Responder baseado no documento
|
| 43 |
def responder_documento(pergunta):
|
| 44 |
return chat_chain.run({"question": pergunta})
|
| 45 |
|
| 46 |
-
# 2. Responder de forma geral (chat simples)
|
| 47 |
def responder_geral(pergunta):
|
| 48 |
-
|
| 49 |
-
return llm.run(pergunta)
|
| 50 |
|
| 51 |
tools = [
|
| 52 |
Tool(
|
|
@@ -61,15 +56,15 @@ tools = [
|
|
| 61 |
)
|
| 62 |
]
|
| 63 |
|
| 64 |
-
# Inicializa agente com as ferramentas acima
|
| 65 |
agent = initialize_agent(
|
| 66 |
tools=tools,
|
| 67 |
llm=llm,
|
| 68 |
agent=AgentType.ZERO_SHOT_REACT_DESCRIPTION,
|
| 69 |
verbose=False,
|
|
|
|
| 70 |
)
|
| 71 |
|
| 72 |
-
# Interface Gradio
|
| 73 |
with gr.Blocks() as demo:
|
| 74 |
gr.Markdown("## 馃 Chat IA com Agente e Documento TXT")
|
| 75 |
|
|
@@ -78,7 +73,10 @@ with gr.Blocks() as demo:
|
|
| 78 |
estado_chat = gr.State([])
|
| 79 |
|
| 80 |
def interagir(msg, history):
|
| 81 |
-
|
|
|
|
|
|
|
|
|
|
| 82 |
history = history + [(msg, resposta)]
|
| 83 |
return "", history
|
| 84 |
|
|
|
|
| 10 |
from langchain.agents import Tool, initialize_agent
|
| 11 |
from langchain.agents.agent_types import AgentType
|
| 12 |
|
| 13 |
+
# Inicializa pipeline com modelo leve (aumentei max_new_tokens para evitar truncamento)
|
| 14 |
+
pipe = pipeline("text2text-generation", model="google/flan-t5-small", max_new_tokens=100)
|
|
|
|
| 15 |
llm = HuggingFacePipeline(pipeline=pipe)
|
| 16 |
|
| 17 |
+
# Mem贸ria de conversa
|
| 18 |
memory = ConversationBufferMemory(memory_key="chat_history", return_messages=True)
|
| 19 |
|
| 20 |
+
# Fun莽茫o para carregar documento txt
|
| 21 |
def carregar_documento_txt(path):
|
| 22 |
loader = TextLoader(path, encoding="latin-1")
|
| 23 |
documentos = loader.load()
|
|
|
|
| 29 |
|
| 30 |
vectorstore = carregar_documento_txt("meu_documento.txt")
|
| 31 |
|
| 32 |
+
# Cadeia de busca com mem贸ria
|
| 33 |
chat_chain = ConversationalRetrievalChain.from_llm(
|
| 34 |
llm=llm,
|
| 35 |
retriever=vectorstore.as_retriever(),
|
| 36 |
memory=memory,
|
| 37 |
)
|
| 38 |
|
| 39 |
+
# Ferramentas para o agente
|
|
|
|
|
|
|
| 40 |
def responder_documento(pergunta):
|
| 41 |
return chat_chain.run({"question": pergunta})
|
| 42 |
|
|
|
|
| 43 |
def responder_geral(pergunta):
|
| 44 |
+
return llm.invoke(pergunta)
|
|
|
|
| 45 |
|
| 46 |
tools = [
|
| 47 |
Tool(
|
|
|
|
| 56 |
)
|
| 57 |
]
|
| 58 |
|
|
|
|
| 59 |
agent = initialize_agent(
|
| 60 |
tools=tools,
|
| 61 |
llm=llm,
|
| 62 |
agent=AgentType.ZERO_SHOT_REACT_DESCRIPTION,
|
| 63 |
verbose=False,
|
| 64 |
+
handle_parsing_errors=True,
|
| 65 |
)
|
| 66 |
|
| 67 |
+
# Interface Gradio
|
| 68 |
with gr.Blocks() as demo:
|
| 69 |
gr.Markdown("## 馃 Chat IA com Agente e Documento TXT")
|
| 70 |
|
|
|
|
| 73 |
estado_chat = gr.State([])
|
| 74 |
|
| 75 |
def interagir(msg, history):
|
| 76 |
+
try:
|
| 77 |
+
resposta = agent.invoke(msg)
|
| 78 |
+
except Exception as e:
|
| 79 |
+
resposta = f"Erro ao gerar resposta: {e}"
|
| 80 |
history = history + [(msg, resposta)]
|
| 81 |
return "", history
|
| 82 |
|