0 Weather forecast.md

Weather forecast

1. Read the developer documentation of Forecast.io's API: https://developer.forecast.io/
2. Register to get your developer key
3. Use the Requests library and JSON to get a weekly forecast in degree Celsius (°C)
4. Print the min and max temperature and the amount of rain forecasted for the next 7 days

forecast.py

import requests
import json


# string formatting reminder

s = 'valami {a}, something {b}'
s.format(a=1, b=5)
# 'valami 1, something 5'

# Budapest
longitude = 19.05
latitude = 47.53

url_template = 'https://api.forecast.io/forecast/{api}/{lat},{lon}'
apikey = '.........'

url = url_template.format(api=apikey, lat=latitude, lon=longitude)


# stock
r = requests.get(url)

# r.text -> json.loads()
if r.ok:
    data = json.loads(r.text)

# r.json()
if r.ok:
    data2 = r.json()

# data == data2 -> True


# query parameters
# url
r = requests.get(url + '?units=si')
if r.ok:
    data_si = r.json()




# requrests params dict
params_dict = {
    'units': 'si',
    'lang': 'es'
}

r = requests.get(url, params=params_dict)
if r.ok:
    data_si_es = r.json()



# HTTP
# 1. URL (endpoint)
# 2. method name: GET, POST, (PUT, DELETE, etc.)
# 3. query parameter:
#    after url
#    single: ?units=si
#    multiple: ?units=si&lang=es, order not important: ?lang=es&units=si
# 4. response data and return code (200, 404)

# URL
# 1. if GET: Browser, possibly JSONView, https://chrome.google.com/webstore/detail/jsonview/chklaanhfefbnpoihckbnefhakgolnmc?hl=en