T1D Manager

from pydexcom import Dexcom from typing import List, Dict, Any, Optional class DexcomClient: def __init__(self, username: str, password: str, region: str = "US"): """ Initialize Dexcom Client. :param username: Dexcom Share Username :param password: Dexcom Share Password :param region: 'US' or 'OUS' (Outside US, e.g., Korea uses OUS often but sometimes US depending on account creation) """ self.username = username self.password = password self.region = region def get_latest_glucose(self) -> Optional[Dict[str, Any]]: try: # pydexcom requires login dexcom = Dexcom(self.username, self.password, ous=(self.region == "OUS")) # Get current reading bg = dexcom.get_current_glucose_reading() if not bg: return None return { "sgv": bg.value, "direction": bg.trend_description, # pydexcom returns string like 'flat', 'singleUp' "trend_arrow": bg.trend_arrow, # Unicode arrow usually "time": bg.datetime.strftime("%Y-%m-%d %H:%M:%S"), "delta": bg.trend_direction # Sometimes rough estimate, but pydexcom provides value diff? # Actually pydexcom object has .trend (int) and .value (mg/dL) # We might need to fetch history to calc delta accurately if not provided } except Exception as e: raise Exception(f"Dexcom Login/Fetch Failed: {e}") def get_readings(self, minutes: int = 1440, max_count: int = 3) -> List[Dict[str, Any]]: """ Fetch recent history """ try: dexcom = Dexcom(self.username, self.password, ous=(self.region == "OUS")) # readings method # pydexcom APIs: get_glucose_readings(minutes=...) readings = dexcom.get_glucose_readings(minutes=minutes, max_count=max_count) result = [] for r in readings: result.append({ "sgv": r.value, "direction": r.trend_description, "time": r.datetime.strftime("%H:%M"), "delta": 0 # TODO: Calculate delta from previous }) return result except Exception as e: raise Exception(f"Dexcom History Failed: {e}")