read.markets/app/config.py
Giorgio Gilestro a10409c02b initial commit — cassandra v0.1
Containerised macro-strategy dashboard: 4-panel web UI (indicators,
portfolio, flash news, AI strategic log), MariaDB store, hourly
ingestion jobs, OpenRouter-backed AI analysis.

Ports the four prototype scripts in the parent dir (market_pulse,
flash_news, trading212, strategic_log) into async services backed by a
persistent DB and served via FastAPI + Jinja2 + HTMX. APScheduler runs
as a separate compose service for crash-safety and easier restarts.

Portfolio composition + position names come live from Trading 212;
news per-ticker headlines reuse those names. Tone (NOVICE/INTERMEDIATE/
PRO) and analysis style (DRY/SPECULATIVE) are env-configurable and
stored on each log row so historical entries show what produced them.

Default model is deepseek/deepseek-v4-flash (overridable via env).
Light/dark theme toggle, sans-serif for prose surfaces, monospace for
data. Bearer-token auth, OpenRouter monthly cost cap, RSS feeds auto-
disabled on consecutive failures.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-15 21:56:10 +01:00

118 lines
3.8 KiB
Python

"""Runtime configuration — environment via Pydantic Settings + TOML-loaded data tables.
Settings come from .env / process env. The TOML files (default.toml, portfolio.toml)
define *what to track* — they're declarative content, not config knobs, so they
stay separate from the settings model.
"""
from __future__ import annotations
import tomllib
from functools import lru_cache
from pathlib import Path
from typing import Any
from pydantic import Field
from pydantic_settings import BaseSettings, SettingsConfigDict
CONFIG_DIR = Path(__file__).resolve().parent.parent / "config"
class Settings(BaseSettings):
"""All runtime knobs. Read from process env, .env not needed in-container
because compose injects vars directly; .env is supported for local dev."""
model_config = SettingsConfigDict(
env_file=".env",
env_file_encoding="utf-8",
extra="ignore",
)
# Database
DATABASE_URL: str = "mysql+aiomysql://cassandra:changeme@db:3306/cassandra"
# API keys (mirror prototype .env names)
API_KEY: str = "" # Trading 212 key
SECRET_KEY: str = "" # Trading 212 secret
FRED_API_KEY: str = ""
OPENROUTER_API_KEY: str = ""
# App
CASSANDRA_TOKEN: str = ""
CASSANDRA_PORT: int = 8000
CASSANDRA_BASE_CURRENCY: str = "GBP"
CASSANDRA_ANCHOR_DATE: str = ""
CASSANDRA_MOCK: bool = False
# AI log
OPENROUTER_MODEL: str = "deepseek/deepseek-v4-flash"
OPENROUTER_MONTHLY_CAP_USD: float = 20.0
CASSANDRA_TONE: str = "INTERMEDIATE" # NOVICE | INTERMEDIATE | PRO
CASSANDRA_ANALYSIS: str = "SPECULATIVE" # DRY | SPECULATIVE
# Config file locations (overridable for tests)
BASELINE_TOML: Path = Field(default_factory=lambda: CONFIG_DIR / "default.toml")
PORTFOLIO_TOML: Path = Field(default_factory=lambda: CONFIG_DIR / "portfolio.toml")
@lru_cache
def get_settings() -> Settings:
return Settings()
# --- TOML data tables --------------------------------------------------------
def _merge_toml(*paths: Path) -> dict[str, Any]:
"""Read TOML files in order; later ones override earlier at the top level
(with shallow dict-merge for nested tables)."""
out: dict[str, Any] = {}
for path in paths:
if not path.exists():
continue
with path.open("rb") as f:
data = tomllib.load(f)
for k, v in data.items():
if isinstance(v, dict) and isinstance(out.get(k), dict):
out[k].update(v)
else:
out[k] = v
return out
def load_groups(*paths: Path) -> dict[str, list[tuple[str, str, str]]]:
"""[(symbol, label, note), ...] per group name."""
data = _merge_toml(*paths)
out: dict[str, list[tuple[str, str, str]]] = {}
for name, items in (data.get("groups") or {}).items():
out[name] = [
(it["symbol"], it.get("label", it["symbol"]), it.get("note", ""))
for it in items
]
return out
def load_feeds(*paths: Path) -> dict[str, list[tuple[str, str]]]:
"""[(name, url), ...] per category name."""
data = _merge_toml(*paths)
out: dict[str, list[tuple[str, str]]] = {}
for cat, items in (data.get("feeds") or {}).items():
out[cat] = [(it["name"], it["url"]) for it in items]
return out
def load_presets(*paths: Path) -> dict[str, list[str]]:
"""Keyword presets for news filtering."""
data = _merge_toml(*paths)
presets = (data.get("news") or {}).get("presets") or {}
return {name: list(kw) for name, kw in presets.items()}
def load_all() -> tuple[dict, dict, dict]:
"""Shortcut: groups, feeds, presets using the configured TOML paths."""
s = get_settings()
return (
load_groups(s.BASELINE_TOML, s.PORTFOLIO_TOML),
load_feeds(s.BASELINE_TOML, s.PORTFOLIO_TOML),
load_presets(s.BASELINE_TOML, s.PORTFOLIO_TOML),
)