langchain data connections

data_connections/document_loading.ipynb

@@ -0,0 +1,115 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "id": "eadb5daf-6ee9-44a3-ac98-f53642c233e8",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from langchain.prompts import (\n",
+    "    ChatPromptTemplate,\n",
+    "    SystemMessagePromptTemplate,\n",
+    "    HumanMessagePromptTemplate,\n",
+    ")\n",
+    "from langchain.chat_models import ChatOpenAI\n",
+    "from langchain.document_loaders import WikipediaLoader\n",
+    "\n",
+    "def answer_question_about(person_name, question):\n",
+    "\n",
+    "    \"\"\"\n",
+    "    Use the Wikipedia Document Loader to help answer questions about someone, insert it as additional helpful context.\n",
+    "    \"\"\"\n",
+    "\n",
+    "    # Load document\n",
+    "    loader = WikipediaLoader(query=person_name, load_max_docs=1)\n",
+    "    context_text = loader.load()[0].page_content\n",
+    "\n",
+    "    # connect to openai model\n",
+    "    model = ChatOpenAI()\n",
+    "\n",
+    "    # send prompt --> format question\n",
+    "    template = \"Answer this question:\\n{question}\\n Here is some extra context\\n{document}\"\n",
+    "    human_prompt = HumanMessagePromptTemplate.from_template(template)\n",
+    "\n",
+    "    # chat prompt --> result content\n",
+    "    chat_prompt = ChatPromptTemplate.from_messages([human_prompt])\n",
+    "\n",
+    "    result = model(chat_prompt.format_prompt(question=question, document=context_text).to_messages())\n",
+    "\n",
+    "    return result.content"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "id": "ca5cc218-6160-4392-a02b-08cd7259d521",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "'Julius Robert Oppenheimer was born on April 22, 1904.'"
+      ]
+     },
+     "execution_count": 5,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "answer_question_about(\"Robert Oppenheimer\", \"When was he born?\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "id": "cac420e2-7747-4b81-a54b-cb00aa971b8e",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "'Clint Eastwood was born on May 31, 1930.'"
+      ]
+     },
+     "execution_count": 6,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "answer_question_about(\"Clint Eastwood\", \"When was he born?\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "05e764cc-13b0-4a70-b124-f89e14533d12",
+   "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": "3.11.4"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}