Files
Harwinder Sekhon 083a4e8d63 Provider abstraction: providers/ package with BaseDataProvider template
One class per provider (TwelveData, Oanda, Tiingo), all subclassing
BaseDataProvider which owns cache, validation/cleaning, freshness +
boundary guarantees, fetch_range pagination, and streaming stubs —
subclasses implement only _fetch_raw. config.json data_providers.active
selects the live feed; data_provider.py / oanda_provider.py stay as
back-compat shims. Module 16 provider-abstraction tests (253 total green).

Claude-Session: https://claude.ai/code/session_01Mc7XKYyPySVXiUpcN82QEK
2026-07-28 20:09:00 -04:00

51 lines
1.3 KiB
Python

"""
Per-pair signal producers.
Each pair module exposes:
make_config(primary_tf, confirmation_tfs) -> PlatformConfig
To add a new pair: create pair_signals/<pair>.py with make_config(),
then register it in this file.
"""
from typing import Optional, List, Dict, Callable
from config import PlatformConfig, Timeframe
from signal_aggregator import SignalAggregator, SignalReport
from providers import BaseDataProvider
PAIR_PRODUCERS: Dict[str, Callable] = {}
def register_pair(symbol: str, config_factory: Callable):
PAIR_PRODUCERS[symbol] = config_factory
def get_supported_pairs() -> List[str]:
return list(PAIR_PRODUCERS.keys())
def produce_signal(
symbol: str,
primary_tf: Timeframe,
data_provider: BaseDataProvider,
confirmation_tfs: Optional[List[Timeframe]] = None,
) -> SignalReport:
config_factory = PAIR_PRODUCERS.get(symbol)
if config_factory is None:
raise ValueError(
f"No signal producer registered for {symbol}. "
f"Available: {list(PAIR_PRODUCERS.keys())}"
)
config = config_factory(primary_tf, confirmation_tfs)
aggregator = SignalAggregator(config)
aggregator.data_provider = data_provider
return aggregator.analyze_pair(symbol=symbol)
from pair_signals import xauusd as _xau_mod
from config import XAUUSD
register_pair(XAUUSD, _xau_mod.make_config)