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73 lines
2.3 KiB
Python
73 lines
2.3 KiB
Python
"""Resolve multi-exchange tickers for OCR/import workflows."""
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from __future__ import annotations
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MULTI_EXCHANGE_TICKERS = {
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"SMSN": [
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{"exchange": "LSE (GDR)", "yf_ticker": "SMSN.L", "currency": "USD", "default": True},
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{"exchange": "KRX (Korea)", "yf_ticker": "005930.KS", "currency": "KRW"},
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{"exchange": "OTC (US)", "yf_ticker": "SSNLF", "currency": "USD"},
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],
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"NOV": [
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{"exchange": "Frankfurt / Trading 212", "yf_ticker": "NOV.F", "currency": "EUR", "default": True},
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{"exchange": "NYSE", "yf_ticker": "NVO", "currency": "USD"},
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{"exchange": "Copenhagen", "yf_ticker": "NOVO-B.CO", "currency": "DKK"},
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],
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"NVO": [
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{"exchange": "NYSE", "yf_ticker": "NVO", "currency": "USD", "default": True},
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{"exchange": "Frankfurt / Trading 212", "yf_ticker": "NOV.F", "currency": "EUR"},
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{"exchange": "Copenhagen", "yf_ticker": "NOVO-B.CO", "currency": "DKK"},
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],
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}
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T212_TICKER_MAP = {
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"SMSN": "SMSN.L",
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"SMSN.L": "SMSN.L",
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"NOV": "NVO",
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"NVDA": "NVDA",
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"TSLA": "TSLA",
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"NVO": "NVO",
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"PLTR": "PLTR",
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"IONQ": "IONQ",
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"IREN": "IREN",
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}
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def get_exchange_options(ticker: str) -> list[dict]:
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return MULTI_EXCHANGE_TICKERS.get((ticker or "").upper(), [])
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def resolve_exchange_option(
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ticker: str,
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selected_exchange: str | None = None,
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preferred_currency: str | None = None,
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) -> dict | None:
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t = (ticker or "").upper().strip()
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options = get_exchange_options(t)
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if not options:
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mapped = T212_TICKER_MAP.get(t, t)
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return {"exchange": "", "yf_ticker": mapped, "currency": ""}
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if selected_exchange:
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for opt in options:
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if opt.get("exchange") == selected_exchange:
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return opt
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pref = (preferred_currency or "").upper().strip()
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if pref:
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for opt in options:
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if (opt.get("currency") or "").upper() == pref:
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return opt
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for opt in options:
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if opt.get("default"):
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return opt
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return options[0]
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def resolve_ticker_with_exchange(
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ticker: str,
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selected_exchange: str | None = None,
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preferred_currency: str | None = None,
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) -> str:
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t = (ticker or "").upper().strip()
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option = resolve_exchange_option(t, selected_exchange, preferred_currency)
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return (option or {}).get("yf_ticker", T212_TICKER_MAP.get(t, t))
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