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"""
Gemini Backend Plugin
Plugin adapter for Gemini 2.5 Flash Image API backend.
"""
import sys
from pathlib import Path
from typing import Any, Dict, Optional, List
from PIL import Image
# Add parent directories to path for imports
sys.path.insert(0, str(Path(__file__).parent.parent))
from core.gemini_client import GeminiClient
from models.generation_request import GenerationRequest
from config.settings import Settings
# Import from shared plugin system
sys.path.insert(0, str(Path(__file__).parent.parent.parent / 'shared'))
from plugin_system.base_plugin import BaseBackendPlugin
class GeminiPlugin(BaseBackendPlugin):
"""Plugin adapter for Gemini API backend."""
def __init__(self, config_path: Path):
"""Initialize Gemini plugin."""
super().__init__(config_path)
# Get API key from settings
settings = Settings()
api_key = settings.get_api_key()
if api_key:
self.client = GeminiClient(api_key)
self.available = True
else:
self.client = None
self.available = False
print("Warning: Gemini API key not found")
def health_check(self) -> bool:
"""Check if Gemini backend is available."""
return self.available and self.client is not None
def generate_image(
self,
prompt: str,
input_images: Optional[List[Image.Image]] = None,
**kwargs
) -> Image.Image:
"""
Generate image using Gemini backend.
Args:
prompt: Text prompt for generation
input_images: Optional list of input images
**kwargs: Additional generation parameters
Returns:
Generated PIL Image
"""
if not self.health_check():
raise RuntimeError("Gemini backend not available")
# Create generation request
request = GenerationRequest(
prompt=prompt,
input_images=input_images or [],
aspect_ratio=kwargs.get('aspect_ratio', '1:1'),
number_of_images=kwargs.get('number_of_images', 1),
safety_filter_level=kwargs.get('safety_filter_level', 'block_some'),
person_generation=kwargs.get('person_generation', 'allow_all')
)
# Generate image
result = self.client.generate(request)
if result.images:
return result.images[0]
else:
raise RuntimeError(f"Gemini generation failed: {result.error}")
def get_capabilities(self) -> Dict[str, Any]:
"""Report Gemini backend capabilities."""
return {
'name': 'Gemini 2.5 Flash Image',
'type': 'cloud',
'supports_input_images': True,
'supports_multi_image': True,
'max_input_images': 16,
'supports_aspect_ratios': True,
'available_aspect_ratios': ['1:1', '3:4', '4:3', '9:16', '16:9'],
'supports_safety_filter': True,
'supports_person_generation': True,
'estimated_time_per_image': 3.0, # seconds
'cost_per_image': 0.02, # USD estimate
}
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