dollar_api.py

import json
import urllib.request
import datetime

def get_recent_weekday():
    today = datetime.date.today()
    if today.weekday() == 5:  # 토요일이면 금요일로
        today -= datetime.timedelta(days=1)
    elif today.weekday() == 6:  # 일요일이면 금요일로
        today -= datetime.timedelta(days=2)
    return today.strftime("%Y%m%d")


service_key = ""
url = f" https://www.koreaexim.go.kr/site/program/financial/exchangeJSON?authkey={service_key}&searchdate={get_recent_weekday()}&data=AP01"
request = urllib.request.Request(url)
response = urllib.request.urlopen(request)
rescode = response.getcode()
if(rescode==200):
    response_body = response.read()
    parsing = json.loads(response_body.decode('utf-8'))
    currency_rates = {entry["cur_nm"]: entry["deal_bas_r"] for entry in parsing}

    # 출력
    for name, rate in currency_rates.items():
        print(f"{name}: {rate}")
else:
    print("Error Code:" + rescode)