105 lines
3.6 KiB
Python
105 lines
3.6 KiB
Python
import os
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import requests
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import csv
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from datetime import datetime, timedelta
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import time
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# 1. API 인증키 설정
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def get_env_variable(var_name):
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if os.path.exists(".env"):
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with open(".env", "r") as f:
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for line in f:
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if "=" in line:
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k, v = line.split("=", 1)
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if k.strip() == var_name:
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return v.strip()
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return os.getenv(var_name)
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API_KEY = get_env_variable("WEATHER_KEY") or get_env_variable("KMA_API_KEY")
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# 2. 정밀 좌표 설정 (NetCDF 추출값)
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TARGET_LAT = 34.925323
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TARGET_LON = 127.710838
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# 3. 추출 기간 설정
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start_dt = datetime(2026, 4, 1, 0, 0)
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end_dt = datetime(2026, 5, 7, 23, 55)
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# 4. API 설정
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BASE_URL = "https://apihub.kma.go.kr/api/typ01/url/sfc_nc_var.php"
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OBS_ELEMENTS = "ta,hm,td,wd_10m,ws_10m,uu,vv,rn_ox,vs"
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INTERVAL = 5
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def extract_all():
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current_dt = start_dt
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all_data = []
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total_hours = int((end_dt - start_dt).total_seconds() / 3600) + 1
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count = 0
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print(f"--- 연속 데이터 추출 시작 (총 {total_hours}개 구간) ---")
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output_filename = "weather_data_continuous_20260401_20260507.csv"
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keys = ["tm", "ta", "hm", "td", "wd_10m", "ws_10m", "uu", "vv", "rn_ox", "vs"]
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with open(output_filename, 'w', newline='', encoding='utf-8-sig') as f:
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writer = csv.DictWriter(f, fieldnames=keys)
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writer.writeheader()
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while current_dt <= end_dt:
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# 1시간 단위 요청
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tm1 = current_dt
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tm2 = current_dt + timedelta(minutes=55) # 12개 데이터 (5분 간격)
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if tm2 > end_dt: tm2 = end_dt
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params = {
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"tm1": tm1.strftime("%Y%m%d%H%M"),
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"tm2": tm2.strftime("%Y%m%d%H%M"),
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"obs": OBS_ELEMENTS,
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"itv": INTERVAL,
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"lon": TARGET_LON,
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"lat": TARGET_LAT,
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"help": 0,
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"authKey": API_KEY
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}
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try:
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response = requests.get(BASE_URL, params=params, timeout=30)
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response.raise_for_status()
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rows = []
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for line in response.text.strip().split('\n'):
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if line.startswith('#') or not line.strip(): continue
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parts = [p.strip() for p in line.replace(',', ' ').split()]
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if len(parts) >= 10:
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rows.append({
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"tm": parts[0],
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"ta": parts[1],
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"hm": parts[2],
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"td": parts[3],
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"wd_10m": parts[4],
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"ws_10m": parts[5],
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"uu": parts[6],
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"vv": parts[7],
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"rn_ox": parts[8],
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"vs": parts[9]
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})
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if rows:
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writer.writerows(rows)
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count += 1
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if count % 50 == 0:
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print(f" 진행률: {count}/{total_hours} 구간 완료 ({current_dt.strftime('%Y-%m-%d %H:%M')})")
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except Exception as e:
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print(f" Error at {tm1}: {e}")
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current_dt += timedelta(hours=1)
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# API 부하 방지를 위한 미세 지연 (필요 시)
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# time.sleep(0.05)
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print(f"\n--- 추출 완료: {output_filename} ---")
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if __name__ == "__main__":
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extract_all()
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