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import os
import json
from groq import Groq
from dotenv import load_dotenv
load_dotenv()
class WriterAgent:
def __init__(self):
self.api_key = os.getenv("GROQ_API_KEY")
self.client = Groq(api_key=self.api_key) if self.api_key else None
self.model = "llama-3.3-70b-versatile"
def write_listing(self, visual_data: dict, seo_keywords: list) -> dict:
if not self.client:
return {"error": "No API Key"}
system_prompt = """You are a professional copywriter.
Write a JSON product listing.
RULES:
1. Output strictly valid JSON.
2. "description": Single paragraph, plain text, no newlines.
3. "title": Concise SEO title.
4. "features": List of 3 distinct features.
Example Output:
{
"title": "Classic Leather Jacket",
"description": "A timeless piece crafted from premium leather.",
"features": ["Genuine Leather", "Slim Fit", "Zip Closure"],
"price_estimate": "$100-$150"
}
"""
user_content = f"""
DATA: {json.dumps(visual_data)}
KEYWORDS: {', '.join(seo_keywords)}
"""
try:
completion = self.client.chat.completions.create(
model=self.model,
messages=[
{"role": "system", "content": system_prompt},
{"role": "user", "content": user_content}
],
temperature=0.1,
response_format={"type": "json_object"}
)
return json.loads(completion.choices[0].message.content)
except Exception as e:
print(f"❌ Writer Error: {e}")
return {
"title": visual_data.get('product_type', 'Product Name'),
"description": "High-quality fashion item matching your style.",
"features": visual_data.get('visual_features', []),
"price_estimate": "$50-$100"
}
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