feat: add async call

Author: VinciGit00

scrapegraphai/nodes/generate_answer_from_image_node.py

@@ -1,9 +1,7 @@
-"""
-generate answer from image module
-"""
 import base64
+import asyncio
 from typing import List, Optional
-import requests
+import aiohttp
 from .base_node import BaseNode
 from ..utils.logging import get_logger
 
@@ -22,10 +20,46 @@ def __init__(
     ):
         super().__init__(node_name, "node", input, output, 2, node_config)
 
-    def execute(self, state: dict) -> dict:
+    async def process_image(self, session, api_key, image_data, user_prompt):
+        # Convert image data to base64
+        base64_image = base64.b64encode(image_data).decode('utf-8')
+
+        headers = {
+            "Content-Type": "application/json",
+            "Authorization": f"Bearer {api_key}"
+        }
+
+        payload = {
+            "model": self.node_config["config"]["llm"]["model"],
+            "messages": [
+                {
+                    "role": "user",
+                    "content": [
+                        {
+                            "type": "text",
+                            "text": user_prompt
+                        },
+                        {
+                            "type": "image_url",
+                            "image_url": {
+                                "url": f"data:image/jpeg;base64,{base64_image}"
+                            }
+                        }
+                    ]
+                }
+            ],
+            "max_tokens": 300
+        }
+
+        async with session.post("https://api.openai.com/v1/chat/completions",
+                                headers=headers, json=payload) as response:
+            result = await response.json()
+            return result.get('choices', [{}])[0].get('message', {}).get('content', 'No response')
+
+    async def execute_async(self, state: dict) -> dict:
         """
         Processes images from the state, generates answers, 
-        consolidates the results, and updates the state.
+        consolidates the results, and updates the state asynchronously.
         """
         self.logger.info(f"--- Executing {self.node_name} Node ---")
 
@@ -39,54 +73,27 @@ def execute(self, state: dict) -> dict:
                              is not supported. Supported models are: 
                              {', '.join(supported_models)}.""")
 
-        if self.node_config["config"]["llm"]["model"].startswith("gpt"):
-            api_key = self.node_config.get("config", {}).get("llm", {}).get("api_key", "")
+        api_key = self.node_config.get("config", {}).get("llm", {}).get("api_key", "")
 
-            for image_data in images:
-                base64_image = base64.b64encode(image_data).decode('utf-8')
+        async with aiohttp.ClientSession() as session:
+            tasks = [
+                self.process_image(session, api_key, image_data,
+                                   state.get("user_prompt", "Extract information from the image"))
+                for image_data in images
+            ]
 
-                headers = {
-                    "Content-Type": "application/json",
-                    "Authorization": f"Bearer {api_key}"
-                }
-
-                payload = {
-                    "model": self.node_config["config"]["llm"]["model"],
-                    "messages": [
-                        {
-                            "role": "user",
-                            "content": [
-                                {
-                                    "type": "text",
-                                    "text": state.get("user_prompt", 
-                                                    "Extract information from the image")
-                                },
-                                {
-                                    "type": "image_url",
-                                    "image_url": {
-                                        "url": f"data:image/jpeg;base64,{base64_image}"
-                                    }
-                                }
-                            ]
-                        }
-                    ],
-                    "max_tokens": 300
-                }
+            analyses = await asyncio.gather(*tasks)
 
-                response = requests.post("https://api.openai.com/v1/chat/completions",
-                                        headers=headers,
-                                        json=payload,
-                                        timeout=10)
-                result = response.json()
+        consolidated_analysis = " ".join(analyses)
 
-                response_text = result.get('choices',
-                                        [{}])[0].get('message', {}).get('content', 'No response')
-                analyses.append(response_text)
+        state['answer'] = {
+            "consolidated_analysis": consolidated_analysis
+        }
 
-            consolidated_analysis = " ".join(analyses)
+        return state
 
-            state['answer'] = {
-                "consolidated_analysis": consolidated_analysis
-            }
-
-            return state
+    def execute(self, state: dict) -> dict:
+        """
+        Wrapper to run the asynchronous execute_async function in a synchronous context.
+        """
+        return asyncio.run(self.execute_async(state))