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visualizador_instanciados/backend/app/settings.py
2026-03-05 15:39:47 -03:00

43 lines
2.0 KiB
Python

from __future__ import annotations
from pydantic import Field
from pydantic_settings import BaseSettings, SettingsConfigDict
class Settings(BaseSettings):
include_bnodes: bool = Field(default=False, alias="INCLUDE_BNODES")
# AnzoGraph / SPARQL endpoint configuration
sparql_host: str = Field(default="http://anzograph:8080", alias="SPARQL_HOST")
# If not set, the backend uses `${SPARQL_HOST}/sparql`.
sparql_endpoint: str | None = Field(default=None, alias="SPARQL_ENDPOINT")
sparql_user: str | None = Field(default=None, alias="SPARQL_USER")
sparql_pass: str | None = Field(default=None, alias="SPARQL_PASS")
# File URI as seen by the AnzoGraph container (used with SPARQL `LOAD`).
# Example: file:///opt/shared-files/o3po.ttl
sparql_data_file: str | None = Field(default=None, alias="SPARQL_DATA_FILE")
sparql_graph_iri: str | None = Field(default=None, alias="SPARQL_GRAPH_IRI")
sparql_load_on_start: bool = Field(default=False, alias="SPARQL_LOAD_ON_START")
sparql_clear_on_start: bool = Field(default=False, alias="SPARQL_CLEAR_ON_START")
sparql_timeout_s: float = Field(default=300.0, alias="SPARQL_TIMEOUT_S")
sparql_ready_retries: int = Field(default=30, alias="SPARQL_READY_RETRIES")
sparql_ready_delay_s: float = Field(default=4.0, alias="SPARQL_READY_DELAY_S")
sparql_ready_timeout_s: float = Field(default=10.0, alias="SPARQL_READY_TIMEOUT_S")
# Comma-separated, or "*" (default).
cors_origins: str = Field(default="*", alias="CORS_ORIGINS")
model_config = SettingsConfigDict(env_file=".env", extra="ignore")
def cors_origin_list(self) -> list[str]:
if self.cors_origins.strip() == "*":
return ["*"]
return [o.strip() for o in self.cors_origins.split(",") if o.strip()]
def effective_sparql_endpoint(self) -> str:
if self.sparql_endpoint and self.sparql_endpoint.strip():
return self.sparql_endpoint.strip()
return self.sparql_host.rstrip("/") + "/sparql"