71 lines
3.0 KiB
Python
71 lines
3.0 KiB
Python
import time
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from google import genai
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from google.genai import types
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class GeminiProvider:
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"""Generates content using Google's Gemini models."""
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def generate(
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self, prompt: str, api_key: str, model: str = "gemini-2.5-flash", **kwargs
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) -> str:
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"""Generates a response using the Gemini API.
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Default model is updated to gemini-2.5-flash which is the latest
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recommended model.
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"""
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if not api_key:
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raise ValueError(
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"Gemini API key is missing. "
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"Set it via `devgen setup config` or pass --api-key."
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)
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client = genai.Client(api_key=api_key)
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max_retries = kwargs.get("max_retries", 5)
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base_delay = kwargs.get("retry_delay", 10) # 10 seconds base delay for 429
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for attempt in range(max_retries + 1):
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try:
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response = client.models.generate_content(
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model=model,
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contents=prompt,
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config=types.GenerateContentConfig(
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temperature=kwargs.get("temperature", 0.7),
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top_p=kwargs.get("top_p", 0.95),
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top_k=kwargs.get("top_k", 40),
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max_output_tokens=kwargs.get("max_output_tokens", 2048),
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),
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)
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return response.text.strip()
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except Exception as e:
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error_msg = str(e).upper()
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# Check for 429 or ResourceExhausted in common error formats
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if any(
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x in error_msg
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for x in [
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"429",
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"RESOURCE_EXHAUSTED",
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"QUOTA_EXCEEDED",
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"THROTTLED",
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]
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):
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if attempt < max_retries:
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delay = base_delay * (2**attempt)
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print(
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f"\n[Gemini] Quota limit hit (429). This is often a temporary rate limit (RPM). "
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f"Waiting {delay}s and retrying... (Attempt {attempt + 1}/{max_retries})"
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)
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time.sleep(delay)
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continue
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else:
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raise RuntimeError(
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"Gemini API quota exhausted (429) after multiple retries.\n\n"
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"POSSIBLE CAUSES:\n"
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"1. Rate Limit (RPM/RPD): You are sending requests too fast for the Free Tier.\n"
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"2. Daily Limit: You have reached the maximum free requests allowed for today (typically 1,500).\n"
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"3. Credit/Billing: If on a paid plan, your credit may be exhausted.\n\n"
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"Please check your usage metrics at: https://aistudio.google.com/app/usage"
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) from e
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raise RuntimeError(f"Gemini generation failed: {e}") from e
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