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ALwrity/backend/services/llm_providers/image_generation/gemini_provider.py
2025-10-31 15:59:16 +05:30

48 lines
1.6 KiB
Python

from __future__ import annotations
import io
import os
from typing import Optional
from PIL import Image
from .base import ImageGenerationOptions, ImageGenerationResult, ImageGenerationProvider
from utils.logger_utils import get_service_logger
logger = get_service_logger("image_generation.gemini")
class GeminiImageProvider(ImageGenerationProvider):
"""Google Gemini/Imagen backed image generation.
NOTE: Implementation should call the actual Gemini Images API used in the codebase.
Here we keep a minimal interface and expect the underlying client to be wired
similarly to other providers and return a PIL image or raw bytes.
"""
def __init__(self) -> None:
api_key = os.getenv("GOOGLE_API_KEY")
if not api_key:
logger.warning("GOOGLE_API_KEY not set. Gemini image generation may fail at runtime.")
logger.info("GeminiImageProvider initialized")
def generate(self, options: ImageGenerationOptions) -> ImageGenerationResult:
# Placeholder implementation to be replaced by real Gemini/Imagen call.
# For now, generate a 1x1 transparent PNG to maintain interface consistency
img = Image.new("RGBA", (max(1, options.width), max(1, options.height)), (0, 0, 0, 0))
with io.BytesIO() as buf:
img.save(buf, format="PNG")
png = buf.getvalue()
return ImageGenerationResult(
image_bytes=png,
width=img.width,
height=img.height,
provider="gemini",
model=os.getenv("GEMINI_IMAGE_MODEL"),
seed=options.seed,
)