mirror of
https://github.com/hwchase17/langchain.git
synced 2025-10-31 16:08:59 +00:00
218 lines
7.5 KiB
Plaintext
218 lines
7.5 KiB
Plaintext
{
|
|
"cells": [
|
|
{
|
|
"cell_type": "markdown",
|
|
"id": "f1390152",
|
|
"metadata": {},
|
|
"source": [
|
|
"# MRKL\n",
|
|
"\n",
|
|
"This notebook showcases using an agent to replicate the MRKL chain."
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"id": "39ea3638",
|
|
"metadata": {},
|
|
"source": [
|
|
"This uses the example Chinook database.\n",
|
|
"To set it up follow the instructions on https://database.guide/2-sample-databases-sqlite/, placing the `.db` file in a notebooks folder at the root of this repository."
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 1,
|
|
"id": "ac561cc4",
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"source": [
|
|
"from langchain import LLMMathChain, OpenAI, SerpAPIWrapper, SQLDatabase, SQLDatabaseChain\n",
|
|
"from langchain.agents import initialize_agent, Tool"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 2,
|
|
"id": "07e96d99",
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"source": [
|
|
"llm = OpenAI(temperature=0)\n",
|
|
"search = SerpAPIWrapper()\n",
|
|
"llm_math_chain = LLMMathChain(llm=llm, verbose=True)\n",
|
|
"db = SQLDatabase.from_uri(\"sqlite:///../../../notebooks/Chinook.db\")\n",
|
|
"db_chain = SQLDatabaseChain(llm=llm, database=db, verbose=True)\n",
|
|
"tools = [\n",
|
|
" Tool(\n",
|
|
" name = \"Search\",\n",
|
|
" func=search.run,\n",
|
|
" description=\"useful for when you need to answer questions about current events\"\n",
|
|
" ),\n",
|
|
" Tool(\n",
|
|
" name=\"Calculator\",\n",
|
|
" func=llm_math_chain.run,\n",
|
|
" description=\"useful for when you need to answer questions about math\"\n",
|
|
" ),\n",
|
|
" Tool(\n",
|
|
" name=\"FooBar DB\",\n",
|
|
" func=db_chain.run,\n",
|
|
" description=\"useful for when you need to answer questions about FooBar. Input should be in the form of a question\"\n",
|
|
" )\n",
|
|
"]"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 3,
|
|
"id": "a069c4b6",
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"source": [
|
|
"mrkl = initialize_agent(tools, llm, agent=\"zero-shot-react-description\", verbose=True)"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 4,
|
|
"id": "e603cd7d",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"name": "stdout",
|
|
"output_type": "stream",
|
|
"text": [
|
|
"What is the age of Olivia Wilde's boyfriend raised to the 0.23 power?\n",
|
|
"Thought:\u001b[32;1m\u001b[1;3m I need to find the age of Olivia Wilde's boyfriend\n",
|
|
"Action: Search\n",
|
|
"Action Input: \"Olivia Wilde's boyfriend\"\u001b[0m\n",
|
|
"Observation: \u001b[36;1m\u001b[1;3mOlivia Wilde started dating Harry Styles after ending her years-long engagement to Jason Sudeikis — see their relationship timeline.\u001b[0m\n",
|
|
"Thought:\u001b[32;1m\u001b[1;3m I need to find the age of Harry Styles\n",
|
|
"Action: Search\n",
|
|
"Action Input: \"Harry Styles age\"\u001b[0m\n",
|
|
"Observation: \u001b[36;1m\u001b[1;3m28 years\u001b[0m\n",
|
|
"Thought:\u001b[32;1m\u001b[1;3m I need to calculate 28 to the 0.23 power\n",
|
|
"Action: Calculator\n",
|
|
"Action Input: 28^0.23\u001b[0m\n",
|
|
"\n",
|
|
"\u001b[1m> Entering new chain...\u001b[0m\n",
|
|
"28^0.23\u001b[32;1m\u001b[1;3m\n",
|
|
"\n",
|
|
"```python\n",
|
|
"print(28**0.23)\n",
|
|
"```\n",
|
|
"\u001b[0m\n",
|
|
"Answer: \u001b[33;1m\u001b[1;3m2.1520202182226886\n",
|
|
"\u001b[0m\n",
|
|
"\u001b[1m> Finished chain.\u001b[0m\n",
|
|
"\n",
|
|
"Observation: \u001b[33;1m\u001b[1;3mAnswer: 2.1520202182226886\n",
|
|
"\u001b[0m\n",
|
|
"Thought:\u001b[32;1m\u001b[1;3m I now know the final answer\n",
|
|
"Final Answer: 2.1520202182226886\u001b[0m"
|
|
]
|
|
},
|
|
{
|
|
"data": {
|
|
"text/plain": [
|
|
"'2.1520202182226886'"
|
|
]
|
|
},
|
|
"execution_count": 4,
|
|
"metadata": {},
|
|
"output_type": "execute_result"
|
|
}
|
|
],
|
|
"source": [
|
|
"mrkl.run(\"What is the age of Olivia Wilde's boyfriend raised to the 0.23 power?\")"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 5,
|
|
"id": "a5c07010",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"name": "stdout",
|
|
"output_type": "stream",
|
|
"text": [
|
|
"Who recently released an album called 'The Storm Before the Calm' and are they in the FooBar database? If so, what albums of theirs are in the FooBar database?\n",
|
|
"Thought:\u001b[32;1m\u001b[1;3m I need to find an album called 'The Storm Before the Calm'\n",
|
|
"Action: Search\n",
|
|
"Action Input: \"The Storm Before the Calm album\"\u001b[0m\n",
|
|
"Observation: \u001b[36;1m\u001b[1;3mThe Storm Before the Calm (stylized in all lowercase) is the tenth (and eighth international) studio album by Canadian-American singer-songwriter Alanis ...\u001b[0m\n",
|
|
"Thought:\u001b[32;1m\u001b[1;3m I need to check if Alanis is in the FooBar database\n",
|
|
"Action: FooBar DB\n",
|
|
"Action Input: \"Does Alanis Morissette exist in the FooBar database?\"\u001b[0m\n",
|
|
"\n",
|
|
"\u001b[1m> Entering new chain...\u001b[0m\n",
|
|
"Does Alanis Morissette exist in the FooBar database?\n",
|
|
"SQLQuery:\u001b[32;1m\u001b[1;3m SELECT * FROM Artist WHERE Name = 'Alanis Morissette'\u001b[0m\n",
|
|
"SQLResult: \u001b[33;1m\u001b[1;3m[(4, 'Alanis Morissette')]\u001b[0m\n",
|
|
"Answer:\u001b[32;1m\u001b[1;3m Yes\u001b[0m\n",
|
|
"\u001b[1m> Finished chain.\u001b[0m\n",
|
|
"\n",
|
|
"Observation: \u001b[38;5;200m\u001b[1;3m Yes\u001b[0m\n",
|
|
"Thought:\u001b[32;1m\u001b[1;3m I need to find out what albums of Alanis's are in the FooBar database\n",
|
|
"Action: FooBar DB\n",
|
|
"Action Input: \"What albums by Alanis Morissette are in the FooBar database?\"\u001b[0m\n",
|
|
"\n",
|
|
"\u001b[1m> Entering new chain...\u001b[0m\n",
|
|
"What albums by Alanis Morissette are in the FooBar database?\n",
|
|
"SQLQuery:\u001b[32;1m\u001b[1;3m SELECT Album.Title FROM Album JOIN Artist ON Album.ArtistId = Artist.ArtistId WHERE Artist.Name = 'Alanis Morissette'\u001b[0m\n",
|
|
"SQLResult: \u001b[33;1m\u001b[1;3m[('Jagged Little Pill',)]\u001b[0m\n",
|
|
"Answer:\u001b[32;1m\u001b[1;3m Jagged Little Pill\u001b[0m\n",
|
|
"\u001b[1m> Finished chain.\u001b[0m\n",
|
|
"\n",
|
|
"Observation: \u001b[38;5;200m\u001b[1;3m Jagged Little Pill\u001b[0m\n",
|
|
"Thought:\u001b[32;1m\u001b[1;3m I now know the final answer\n",
|
|
"Final Answer: The album is by Alanis Morissette and the albums in the FooBar database by her are Jagged Little Pill\u001b[0m"
|
|
]
|
|
},
|
|
{
|
|
"data": {
|
|
"text/plain": [
|
|
"'The album is by Alanis Morissette and the albums in the FooBar database by her are Jagged Little Pill'"
|
|
]
|
|
},
|
|
"execution_count": 5,
|
|
"metadata": {},
|
|
"output_type": "execute_result"
|
|
}
|
|
],
|
|
"source": [
|
|
"mrkl.run(\"Who recently released an album called 'The Storm Before the Calm' and are they in the FooBar database? If so, what albums of theirs are in the FooBar database?\")"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": null,
|
|
"id": "d7c2e6ac",
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"source": []
|
|
}
|
|
],
|
|
"metadata": {
|
|
"kernelspec": {
|
|
"display_name": "Python 3 (ipykernel)",
|
|
"language": "python",
|
|
"name": "python3"
|
|
},
|
|
"language_info": {
|
|
"codemirror_mode": {
|
|
"name": "ipython",
|
|
"version": 3
|
|
},
|
|
"file_extension": ".py",
|
|
"mimetype": "text/x-python",
|
|
"name": "python",
|
|
"nbconvert_exporter": "python",
|
|
"pygments_lexer": "ipython3",
|
|
"version": "3.7.6"
|
|
}
|
|
},
|
|
"nbformat": 4,
|
|
"nbformat_minor": 5
|
|
}
|