"""Factory for agentic search service singleton.
This module provides the factory function for creating the AgenticSearchService singleton,
separated to avoid circular imports with mcp_wrapper.
"""
from .config import AgenticSearchConfig
from .crawler import SelectiveCrawler
from .evaluator import LocalKnowledgeEvaluator
from .orchestrator import AgenticSearchService
from .ranker import URLRanker
# Singleton instance
_service_instance: AgenticSearchService | None = None
def get_agentic_search_service() -> AgenticSearchService:
"""Get singleton instance of AgenticSearchService.
Returns:
Singleton AgenticSearchService instance with cached agents.
"""
global _service_instance
if _service_instance is None:
# Create modular components
config = AgenticSearchConfig()
evaluator = LocalKnowledgeEvaluator(config)
ranker = URLRanker(config)
crawler = SelectiveCrawler(config)
# Initialize service with components
_service_instance = AgenticSearchService(
evaluator=evaluator,
ranker=ranker,
crawler=crawler,
config=config,
)
return _service_instance
