openweathermap2.py

# 引数に都市名の入力が必要
import requests
import json
import sys
import os

API_KEY = "APIキー"
api = "http://api.openweathermap.org/data/2.5/weather?q={city}&APPID={key}"

city_name = sys.argv[1]
url = api.format(city = city_name, key = API_KEY)
print(url)
response = requests.get(url)
data = json.loads(response.text)
print(data)

today = datetime.datetime.now()
file_name = "weather/weather" + today.strftime("%Y-%m-%d-%H-%M") + ".json"
print(file_name)

# ディレクトリが存在しない場合のみ作成
if os.path.exists("weather")==False:
    os.mkdir("weather")
with open(file_name, "w", encoding="utf-8") as f:
    f.write(response.text)