이수진님 날씨 스크립트 개선

sujinlee_weather_yahoo.py

# https://github.com/sujinleeme/my-python-journey/blob/master/PR4E/yahoo-weatherAPI.py


import requests
from dateutil.parser import parse as date_parse
from django.utils import timezone


def get_weather(city):
    baseurl = 'https://query.yahooapis.com/v1/public/yql'
    yql_query = "SELECT * FROM weather.forecast WHERE woeid IN (SELECT woeid FROM geo.places(1) WHERE text='%s')" % city
    params = {'q': yql_query, 'format': 'json'}
    data = requests.get(baseurl, params=params).json()

    if not data['query']['count']:
        return 'Not Found'

    try:
        channel = data['query']['results']['channel']
        location = channel['location']
        location_summary = ', '.join((location['city'], location['country'], location['region']))

        response = []
        response.append('Current weather in {location} : {desc} ({temp})'.format(location=location_summary, **parse(channel['item']['condition'])))

        for condition in channel['item']['forecast']:
            response.append('[{date}] {desc} ({temp})'.format(**parse(condition)))

        return '\n'.join(response)
    except KeyError:
        return 'Not Found'


def parse(condition):
    if 'temp' in condition:
        temp = '%d°C' % celsius(condition['temp'])
    else:
        temp = '%d°C ~ %d°C' % (celsius(condition['low']), celsius(condition['high']))

    date = date_parse(condition['date'])

    return {
        'date': '{}-{}-{} {}'.format(date.year, date.month, date.day, date.tzname() or ''),
        'desc': condition['text'],
        'temp': temp,
    }


def celsius(fahrenheit):
    '''change Fahrenheit to Celsius'''
    return (int(fahrenheit) - 32) * 5/9