| import os |
| import re |
| from enum import Enum |
| from pathlib import Path |
| from typing import cast |
|
|
| from pydantic import field_validator |
| from pydantic_settings import BaseSettings, SettingsConfigDict |
|
|
|
|
| class Environment(str, Enum): |
| dev = "dev" |
| prod = "prod" |
|
|
|
|
| BASE_DIR = Path(__file__).resolve().parent.parent |
|
|
|
|
| class Settings(BaseSettings): |
| host: str = "0.0.0.0" |
| port: int = 8000 |
| log_level: str = "INFO" |
|
|
| api_key: str | None = None |
|
|
| environment: Environment = Environment.dev |
|
|
| lean_version: str = "v4.15.0" |
| repl_path: Path = BASE_DIR / "repl/.lake/build/bin/repl" |
| project_dir: Path = BASE_DIR / "mathlib4" |
|
|
| max_repls: int = max((os.cpu_count() or 1) - 1, 1) |
| max_repl_uses: int = -1 |
| max_repl_mem: int = 8 |
| max_wait: int = 60 |
|
|
| init_repls: dict[str, int] = {} |
|
|
| database_url: str | None = None |
|
|
| model_config = SettingsConfigDict( |
| env_file=".env", env_file_encoding="utf-8", env_prefix="LEAN_SERVER_" |
| ) |
|
|
| @field_validator("max_repl_mem", mode="before") |
| def _parse_max_mem(cls, v: str) -> int: |
| if isinstance(v, int): |
| return cast(int, v * 1024) |
| m = re.fullmatch(r"(\d+)([MmGg])", v) |
| if m: |
| n, unit = m.groups() |
| n = int(n) |
| return n if unit.lower() == "m" else n * 1024 |
| raise ValueError("max_repl_mem must be an int or '<number>[M|G]'") |
|
|
| @field_validator("max_repls", mode="before") |
| @classmethod |
| def _parse_max_repls(cls, v: int | str) -> int: |
| if isinstance(v, str) and v.strip() == "": |
| return os.cpu_count() or 1 |
| return cast(int, v) |
|
|
|
|
| settings = Settings() |
|
|
