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Provider abstraction: providers/ package with BaseDataProvider template

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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).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Mc7XKYyPySVXiUpcN82QEK
This commit is contained in:
Harwinder Sekhon
2026-07-28 20:09:00 -04:00
parent 95f8c47d4f
commit c8beb7e3ae
17 changed files with 1573 additions and 935 deletions
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oanda_daemon.py
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@@ -46,7 +46,7 @@ from app_config import (
from config import PAIR_INFO, PlatformConfig, Timeframe, XAUUSD
from signal_aggregator import SignalAggregator, SignalReport, SignalStrength
from pair_signals import PAIR_PRODUCERS
from oanda_provider import OandaDataProvider
from providers.oanda import OandaDataProvider
from oanda_executor import OandaExecutor, OandaAPIError
logger = logging.getLogger(__name__)