New module: openaiExplainPatch

README.md

@@ -1,3 +1,9 @@
 # ![pull-merge](/logo/svg/logo-no-background.svg)
 
 puLL-Merge is a `github-action` to add LLM capabilities to pull-requests in `github` automatically
+
+## Example (local)
+
+```
+./run.js ./src/explainPatch.js --openaiKey=<OPENAPI_KEY> --repo=brave/security-action --prnum=406
+```

package.json

@@ -1,4 +1,5 @@
 {
+    "type": "module",
     "bugs": {
         "url": "https://github.com/brave/pull-merge/issues",
         "email": "security@brave.com"

run.js

@@ -0,0 +1,9 @@
+#!/usr/bin/env node
+
+import { parseArgs } from 'node:util';
+const [ node, file, _module, ...args ] = process.argv;
+
+const run = (await import(_module)).default;
+const innerArgs = parseArgs({args, strict: false});
+
+console.log(await run(innerArgs.values));

src/openaiExplainPatch.js

@@ -0,0 +1,41 @@
+import OpenAI from "openai";
+
+export default async function explainPatch({openaiKey, repo, prnum, 
+  model="gpt-3.5-turbo-16k",
+  system_prompt="Explain the patch:\n\n",
+  max_tokens=256,
+  temperature=1,
+  top_p=1,
+  frequency_penalty=0,
+  presence_penalty=0}) {
+  const openai = new OpenAI({apiKey: openaiKey});
+
+  const patchResponse = await fetch(`https://github.com/${repo}/pull/${prnum}.patch`);
+  const patchBody = await patchResponse.text();
+
+  // console.log(patchBody)
+
+  const aiResponse = await openai.chat.completions.create({
+    model: model,
+    messages: [
+          {
+            "role": "system",
+            "content": "Explain the patch:\n\n"
+          },
+          {
+            "role": "user",
+            "content": patchBody
+          }
+    ],
+    temperature: temperature,
+    max_tokens: max_tokens,
+    top_p: top_p,
+    frequency_penalty: frequency_penalty,
+    presence_penalty: presence_penalty,
+  });
+
+  // console.log(aiResponse);
+  // console.log(aiResponse.choices[0].message);
+
+  return aiResponse.choices[0].message.content;
+}