224 lines
8.3 KiB
Python
224 lines
8.3 KiB
Python
"""
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Centralized configuration for Hindsight API.
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All environment variables and their defaults are defined here.
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"""
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import logging
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import os
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from dataclasses import dataclass
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logger = logging.getLogger(__name__)
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# Environment variable names
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ENV_DATABASE_URL = "HINDSIGHT_API_DATABASE_URL"
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ENV_LLM_PROVIDER = "HINDSIGHT_API_LLM_PROVIDER"
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ENV_LLM_API_KEY = "HINDSIGHT_API_LLM_API_KEY"
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ENV_LLM_MODEL = "HINDSIGHT_API_LLM_MODEL"
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ENV_LLM_BASE_URL = "HINDSIGHT_API_LLM_BASE_URL"
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ENV_LLM_MAX_CONCURRENT = "HINDSIGHT_API_LLM_MAX_CONCURRENT"
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ENV_LLM_TIMEOUT = "HINDSIGHT_API_LLM_TIMEOUT"
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ENV_EMBEDDINGS_PROVIDER = "HINDSIGHT_API_EMBEDDINGS_PROVIDER"
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ENV_EMBEDDINGS_LOCAL_MODEL = "HINDSIGHT_API_EMBEDDINGS_LOCAL_MODEL"
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ENV_EMBEDDINGS_TEI_URL = "HINDSIGHT_API_EMBEDDINGS_TEI_URL"
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ENV_EMBEDDINGS_OPENAI_API_KEY = "HINDSIGHT_API_EMBEDDINGS_OPENAI_API_KEY"
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ENV_EMBEDDINGS_OPENAI_MODEL = "HINDSIGHT_API_EMBEDDINGS_OPENAI_MODEL"
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ENV_RERANKER_PROVIDER = "HINDSIGHT_API_RERANKER_PROVIDER"
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ENV_RERANKER_LOCAL_MODEL = "HINDSIGHT_API_RERANKER_LOCAL_MODEL"
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ENV_RERANKER_TEI_URL = "HINDSIGHT_API_RERANKER_TEI_URL"
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ENV_HOST = "HINDSIGHT_API_HOST"
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ENV_PORT = "HINDSIGHT_API_PORT"
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ENV_LOG_LEVEL = "HINDSIGHT_API_LOG_LEVEL"
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ENV_MCP_ENABLED = "HINDSIGHT_API_MCP_ENABLED"
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ENV_GRAPH_RETRIEVER = "HINDSIGHT_API_GRAPH_RETRIEVER"
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ENV_MCP_LOCAL_BANK_ID = "HINDSIGHT_API_MCP_LOCAL_BANK_ID"
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ENV_MCP_INSTRUCTIONS = "HINDSIGHT_API_MCP_INSTRUCTIONS"
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# Observation thresholds
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ENV_OBSERVATION_MIN_FACTS = "HINDSIGHT_API_OBSERVATION_MIN_FACTS"
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ENV_OBSERVATION_TOP_ENTITIES = "HINDSIGHT_API_OBSERVATION_TOP_ENTITIES"
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# Optimization flags
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ENV_SKIP_LLM_VERIFICATION = "HINDSIGHT_API_SKIP_LLM_VERIFICATION"
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ENV_LAZY_RERANKER = "HINDSIGHT_API_LAZY_RERANKER"
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# Default values
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DEFAULT_DATABASE_URL = "pg0"
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DEFAULT_LLM_PROVIDER = "openai"
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DEFAULT_LLM_MODEL = "gpt-5-mini"
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DEFAULT_LLM_MAX_CONCURRENT = 32
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DEFAULT_LLM_TIMEOUT = 120.0 # seconds
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DEFAULT_EMBEDDINGS_PROVIDER = "local"
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DEFAULT_EMBEDDINGS_LOCAL_MODEL = "BAAI/bge-small-en-v1.5"
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DEFAULT_EMBEDDINGS_OPENAI_MODEL = "text-embedding-3-small"
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DEFAULT_EMBEDDING_DIMENSION = 384
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DEFAULT_RERANKER_PROVIDER = "local"
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DEFAULT_RERANKER_LOCAL_MODEL = "cross-encoder/ms-marco-MiniLM-L-6-v2"
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DEFAULT_HOST = "0.0.0.0"
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DEFAULT_PORT = 8888
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DEFAULT_LOG_LEVEL = "info"
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DEFAULT_MCP_ENABLED = True
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DEFAULT_GRAPH_RETRIEVER = "bfs" # Options: "bfs", "mpfp"
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DEFAULT_MCP_LOCAL_BANK_ID = "mcp"
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# Observation thresholds
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DEFAULT_OBSERVATION_MIN_FACTS = 5 # Min facts required to generate entity observations
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DEFAULT_OBSERVATION_TOP_ENTITIES = 5 # Max entities to process per retain batch
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# Default MCP tool descriptions (can be customized via env vars)
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DEFAULT_MCP_RETAIN_DESCRIPTION = """Store important information to long-term memory.
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Use this tool PROACTIVELY whenever the user shares:
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- Personal facts, preferences, or interests
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- Important events or milestones
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- User history, experiences, or background
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- Decisions, opinions, or stated preferences
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- Goals, plans, or future intentions
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- Relationships or people mentioned
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- Work context, projects, or responsibilities"""
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DEFAULT_MCP_RECALL_DESCRIPTION = """Search memories to provide personalized, context-aware responses.
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Use this tool PROACTIVELY to:
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- Check user's preferences before making suggestions
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- Recall user's history to provide continuity
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- Remember user's goals and context
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- Personalize responses based on past interactions"""
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# Default embedding dimension (used by initial migration, adjusted at runtime)
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EMBEDDING_DIMENSION = DEFAULT_EMBEDDING_DIMENSION
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@dataclass
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class HindsightConfig:
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"""Configuration container for Hindsight API."""
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# Database
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database_url: str
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# LLM
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llm_provider: str
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llm_api_key: str | None
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llm_model: str
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llm_base_url: str | None
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llm_max_concurrent: int
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llm_timeout: float
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# Embeddings
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embeddings_provider: str
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embeddings_local_model: str
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embeddings_tei_url: str | None
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# Reranker
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reranker_provider: str
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reranker_local_model: str
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reranker_tei_url: str | None
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# Server
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host: str
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port: int
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log_level: str
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mcp_enabled: bool
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# Recall
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graph_retriever: str
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# Observation thresholds
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observation_min_facts: int
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observation_top_entities: int
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# Optimization flags
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skip_llm_verification: bool
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lazy_reranker: bool
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@classmethod
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def from_env(cls) -> "HindsightConfig":
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"""Create configuration from environment variables."""
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return cls(
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# Database
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database_url=os.getenv(ENV_DATABASE_URL, DEFAULT_DATABASE_URL),
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# LLM
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llm_provider=os.getenv(ENV_LLM_PROVIDER, DEFAULT_LLM_PROVIDER),
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llm_api_key=os.getenv(ENV_LLM_API_KEY),
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llm_model=os.getenv(ENV_LLM_MODEL, DEFAULT_LLM_MODEL),
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llm_base_url=os.getenv(ENV_LLM_BASE_URL) or None,
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llm_max_concurrent=int(os.getenv(ENV_LLM_MAX_CONCURRENT, str(DEFAULT_LLM_MAX_CONCURRENT))),
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llm_timeout=float(os.getenv(ENV_LLM_TIMEOUT, str(DEFAULT_LLM_TIMEOUT))),
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# Embeddings
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embeddings_provider=os.getenv(ENV_EMBEDDINGS_PROVIDER, DEFAULT_EMBEDDINGS_PROVIDER),
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embeddings_local_model=os.getenv(ENV_EMBEDDINGS_LOCAL_MODEL, DEFAULT_EMBEDDINGS_LOCAL_MODEL),
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embeddings_tei_url=os.getenv(ENV_EMBEDDINGS_TEI_URL),
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# Reranker
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reranker_provider=os.getenv(ENV_RERANKER_PROVIDER, DEFAULT_RERANKER_PROVIDER),
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reranker_local_model=os.getenv(ENV_RERANKER_LOCAL_MODEL, DEFAULT_RERANKER_LOCAL_MODEL),
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reranker_tei_url=os.getenv(ENV_RERANKER_TEI_URL),
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# Server
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host=os.getenv(ENV_HOST, DEFAULT_HOST),
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port=int(os.getenv(ENV_PORT, DEFAULT_PORT)),
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log_level=os.getenv(ENV_LOG_LEVEL, DEFAULT_LOG_LEVEL),
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mcp_enabled=os.getenv(ENV_MCP_ENABLED, str(DEFAULT_MCP_ENABLED)).lower() == "true",
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# Recall
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graph_retriever=os.getenv(ENV_GRAPH_RETRIEVER, DEFAULT_GRAPH_RETRIEVER),
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# Optimization flags
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skip_llm_verification=os.getenv(ENV_SKIP_LLM_VERIFICATION, "false").lower() == "true",
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lazy_reranker=os.getenv(ENV_LAZY_RERANKER, "false").lower() == "true",
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# Observation thresholds
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observation_min_facts=int(os.getenv(ENV_OBSERVATION_MIN_FACTS, str(DEFAULT_OBSERVATION_MIN_FACTS))),
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observation_top_entities=int(
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os.getenv(ENV_OBSERVATION_TOP_ENTITIES, str(DEFAULT_OBSERVATION_TOP_ENTITIES))
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),
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)
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def get_llm_base_url(self) -> str:
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"""Get the LLM base URL, with provider-specific defaults."""
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if self.llm_base_url:
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return self.llm_base_url
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provider = self.llm_provider.lower()
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if provider == "groq":
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return "https://api.groq.com/openai/v1"
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elif provider == "ollama":
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return "http://localhost:11434/v1"
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elif provider == "lmstudio":
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return "http://localhost:1234/v1"
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else:
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return ""
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def get_python_log_level(self) -> int:
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"""Get the Python logging level from the configured log level string."""
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log_level_map = {
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"critical": logging.CRITICAL,
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"error": logging.ERROR,
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"warning": logging.WARNING,
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"info": logging.INFO,
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"debug": logging.DEBUG,
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"trace": logging.DEBUG, # Python doesn't have TRACE, use DEBUG
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}
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return log_level_map.get(self.log_level.lower(), logging.INFO)
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def configure_logging(self) -> None:
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"""Configure Python logging based on the log level."""
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logging.basicConfig(
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level=self.get_python_log_level(),
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format="%(asctime)s - %(levelname)s - %(name)s - %(message)s",
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force=True, # Override any existing configuration
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)
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def log_config(self) -> None:
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"""Log the current configuration (without sensitive values)."""
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logger.info(f"Database: {self.database_url}")
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logger.info(f"LLM: provider={self.llm_provider}, model={self.llm_model}")
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logger.info(f"Embeddings: provider={self.embeddings_provider}")
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logger.info(f"Reranker: provider={self.reranker_provider}")
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logger.info(f"Graph retriever: {self.graph_retriever}")
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def get_config() -> HindsightConfig:
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"""Get the current configuration from environment variables."""
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return HindsightConfig.from_env()
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