Create summarize.py

summarize.py

@@ -0,0 +1,14 @@
+from langchain_community.llms import OpenAI
+from langchain.chains.summarize import load_summarize_chain
+from utils import openai_llm
+
+
+def setup_summary_chain(api_key):
+    """Set up a summary chain with a specified LLM."""
+    llm = openai_llm(api_key=api_key)
+    return load_summarize_chain(llm=llm, chain_type='map_reduce')
+
+def summarize_documents(documents, api_key):
+    """Generate summaries for provided documents."""
+    summary_chain = setup_summary_chain(api_key)
+    return summary_chain.run(documents)