buttons, questions

.env.sample

@@ -1,5 +1,3 @@
 # !!! DO NOT UPDATE THIS FILE DIRECTLY. MAKE A COPY AND RENAME IT `.env` TO PROCEED !!! #
-HF_LLM_ENDPOINT="YOUR_LLM_ENDPOINT_URL_HERE"
-HF_EMBED_ENDPOINT="YOUR_EMBED_MODEL_ENDPOINT_URL_HERE"
-HF_TOKEN="YOUR_HF_TOKEN_HERE"
+OPENAI_API_KEY=
 # !!! DO NOT UPDATE THIS FILE DIRECTLY. MAKE A COPY AND RENAME IT `.env` TO PROCEED !!! #

app.py

@@ -1,5 +1,103 @@
 import chainlit as cl
+import os
+from dotenv import load_dotenv
+from langchain_core.prompts import ChatPromptTemplate
+from langchain_core.runnables.config import RunnableConfig
+from langchain_openai import ChatOpenAI
+
+load_dotenv()
+openai_api_key = os.getenv("OPENAI_API_KEY")
+
+@cl.action_callback("hide_button")
+async def on_action(action):
+    await cl.Message(content=f"Hiding the button").send()
+    await action.remove()
+
+@cl.action_callback("show_text")
+async def on_action(action):
+    cl.user_session.set("language", "english")
+    await cl.Message(content="The button was clicked and this text was shown").send()
+
+@cl.action_callback("english")
+async def on_action(action):
+    cl.user_session.set("language", "english")
+    await cl.Message(content="Responses from the Chatbot will be in English").send()
+
+@cl.action_callback("icelandic")
+async def on_action(action):
+    cl.user_session.set("language", "icelandic")
+    await cl.Message(content="Responses from the Chatbot will be in Icelandic").send()
+
+user_template = """
+        Question:
+        {question}
+
+        Language:
+        {language}
+    """
+
+system_template = """
+    You are a helpful assistant who always speaks in a pleasant tone!
+    Do your best to answer the question succinctly and truthfully.
+    Think through your answers carefully.
+    Respond in the language provided below. If no language is provided, use Italian.
+""" 
+
+#############################################
+### On Chat Start (Session Start) Section ###
+#############################################
+@cl.on_chat_start
+async def on_chat_start():
+    # create a chain
+    chat_prompt = ChatPromptTemplate.from_messages([
+        ("system", system_template),
+        ("human", user_template)
+    ])
+    chat_model = ChatOpenAI(model="gpt-4o-mini")
+    simple_chain = chat_prompt | chat_model
+    cl.user_session.set("chain", simple_chain)
+
+    response = await cl.AskActionMessage(
+        content="Do you want to see the buttons?",
+        actions=[
+            cl.Action(name="yes", value="yes", label="✅ Yes"),
+            cl.Action(name="no", value="no", label="❌ No"),
+        ],
+    ).send()
+    if response and response.get("value") == "yes":
+        actions = [
+            cl.Action(name="hide_button", value="hide-button", description="Hide this button"),
+            cl.Action(name="show_text", value="show_text", description="Show text")
+        ]
+
+        await cl.Message(content="Different actions", actions=actions).send()
+    else: 
+        await cl.Message(content="No buttons for you").send()
+    
+    await cl.Message(content="Lets see how to change the language of the responses from the LLM").send()
+
+    actions = [
+        cl.Action(name="english", value="english", description="English"),
+        cl.Action(name="icelandic", value="icelandic", description="Icelandic")
+    ]
+
+    await cl.Message(content="Languages", actions=actions).send()
+    
+    await cl.Message(content="Ask the chatbot a question. Then click the Icelandic button and ask again.").send()
+
 
 @cl.on_message
-def main(message: str):
-    return cl.Message(content=f"You said: {message}")
+async def main(message: cl.Message):
+    chain = cl.user_session.get("chain")
+    language = cl.user_session.get("language", "english")
+    question = message.content
+
+    msg = cl.Message(content="")
+    # handle streaming of LLM responses 
+    async for chunk in chain.astream(
+        {"question": question, "language": language},
+        config=RunnableConfig(callbacks=[cl.LangchainCallbackHandler()]),
+    ):
+        await msg.stream_token(chunk.content)
+
+    await msg.send()

chainlit.md

@@ -1,2 +1,9 @@
 # Chainlit Tutorial
 
+This code demonstrates:
+
+- Display of a button
+- How to handle the action when the button is clicked
+- How to hide the button after it has been clicked
+- How to ask a question to the user and handle the answer
+

not_what_i_need.txt

@@ -1,132 +0,0 @@
-aiofiles==23.2.1
-aiohappyeyeballs==2.4.3
-aiohttp==3.10.8
-aiosignal==1.3.1
-annotated-types==0.7.0
-anyio==3.7.1
-async-timeout==4.0.3
-asyncer==0.0.2
-attrs==24.2.0
-bidict==0.23.1
-certifi==2024.8.30
-chainlit==0.7.700
-charset-normalizer==3.3.2
-click==8.1.7
-dataclasses-json==0.5.14
-Deprecated==1.2.14
-distro==1.9.0
-exceptiongroup==1.2.2
-faiss-cpu==1.8.0.post1
-fastapi==0.100.1
-fastapi-socketio==0.0.10
-filelock==3.16.1
-filetype==1.2.0
-frozenlist==1.4.1
-fsspec==2024.9.0
-googleapis-common-protos==1.65.0
-greenlet==3.1.1
-grpcio==1.66.2
-grpcio-tools==1.62.3
-h11==0.14.0
-h2==4.1.0
-hpack==4.0.0
-httpcore==0.17.3
-httpx==0.24.1
-huggingface-hub==0.25.1
-hyperframe==6.0.1
-idna==3.10
-importlib_metadata==8.4.0
-Jinja2==3.1.4
-jiter==0.5.0
-joblib==1.4.2
-jsonpatch==1.33
-jsonpointer==3.0.0
-langchain==0.3.2
-langchain-community==0.3.1
-langchain-core==0.3.8
-langchain-huggingface==0.1.0
-langchain-openai==0.2.0
-langchain-qdrant==0.1.4
-langchain-text-splitters==0.3.0
-# langsmith==0.1.121
-Lazify==0.4.0
-MarkupSafe==2.1.5
-marshmallow==3.22.0
-mpmath==1.3.0
-multidict==6.1.0
-mypy-extensions==1.0.0
-nest-asyncio==1.6.0
-networkx==3.2.1
-numpy==1.26.4
-nvidia-cublas-cu12==12.1.3.1
-nvidia-cuda-cupti-cu12==12.1.105
-nvidia-cuda-nvrtc-cu12==12.1.105
-nvidia-cuda-runtime-cu12==12.1.105
-nvidia-cudnn-cu12==9.1.0.70
-nvidia-cufft-cu12==11.0.2.54
-nvidia-curand-cu12==10.3.2.106
-nvidia-cusolver-cu12==11.4.5.107
-nvidia-cusparse-cu12==12.1.0.106
-nvidia-nccl-cu12==2.20.5
-nvidia-nvjitlink-cu12==12.6.77
-nvidia-nvtx-cu12==12.1.105
-openai==1.51.0
-opentelemetry-api==1.27.0
-opentelemetry-exporter-otlp==1.27.0
-opentelemetry-exporter-otlp-proto-common==1.27.0
-opentelemetry-exporter-otlp-proto-grpc==1.27.0
-opentelemetry-exporter-otlp-proto-http==1.27.0
-opentelemetry-instrumentation==0.48b0
-opentelemetry-proto==1.27.0
-opentelemetry-sdk==1.27.0
-opentelemetry-semantic-conventions==0.48b0
-orjson==3.10.7
-packaging==23.2
-pillow==10.4.0
-portalocker==2.10.1
-protobuf==4.25.5
-pydantic==2.9.2
-pydantic-settings==2.5.2
-pydantic_core==2.23.4
-PyJWT==2.9.0
-PyMuPDF==1.24.10
-PyMuPDFb==1.24.10
-python-dotenv==1.0.1
-python-engineio==4.9.1
-python-graphql-client==0.4.3
-python-multipart==0.0.6
-python-socketio==5.11.4
-PyYAML==6.0.2
-qdrant-client==1.11.2
-regex==2024.9.11
-requests==2.32.3
-safetensors==0.4.5
-scikit-learn==1.5.2
-scipy==1.13.1
-sentence-transformers==3.1.1
-simple-websocket==1.0.0
-sniffio==1.3.1
-SQLAlchemy==2.0.35
-starlette==0.27.0
-sympy==1.13.3
-syncer==2.0.3
-tenacity==8.5.0
-threadpoolctl==3.5.0
-tiktoken==0.7.0
-tokenizers==0.20.0
-tomli==2.0.1
-torch==2.4.1
-tqdm==4.66.5
-transformers==4.45.1
-triton==3.0.0
-typing-inspect==0.9.0
-typing_extensions==4.12.2
-uptrace==1.26.0
-urllib3==2.2.3
-uvicorn==0.23.2
-watchfiles==0.20.0
-websockets==13.1
-wrapt==1.16.0
-wsproto==1.2.0
-yarl==1.13.1
-zipp==3.20.2

requirements.txt

@@ -1 +1,7 @@
 chainlit==0.7.700
+openai>=1.26.0
+langchain==0.3.0
+langchain-core==0.3.1
+langchain-community==0.3.0
+langchain-openai==0.2.0
+