flask构建自动化测试平台5-提高用户体验

5-提高用户体验

本章将介绍以下主题：

• cookies
• CSS

本文最新版本

代码： headlines.py

import feedparser
from flask import Flask
from flask import render_template
from flask import request
from flask import make_response

import datetime
import json
import urllib

app = Flask(__name__)

RSS_FEEDS = {'ft': 'http://www.ftchinese.com/rss/feed',
             'zhihu': 'https://www.zhihu.com/rss',
             'people': 'http://www.people.com.cn/rss/politics.xml',
             'iol': 'http://www.iol.co.za/cmlink/1.640'}


WEATHER_URL = "http://api.openweathermap.org/data/2.5/weather?q={}&units=metric&APPID=cb932829eacb6a0e9ee4f38bfbf112ed"
CURRENCY_URL = "https://openexchangerates.org//api/latest.json?app_id=b23c94daab584f4580e4e2bf75cbcf7e"

DEFAULTS = {'publication': 'ft',
            'city': 'wugang',
            'currency_from': 'GBP',
            'currency_to': 'USD'
            }


def get_value_with_fallback(key):
    if request.args.get(key):
        return request.args.get(key)
    if request.cookies.get(key):
        return request.cookies.get(key)
    return DEFAULTS[key]


@app.route("/")
def home():
    # get customised headlines, based on user input or default
    publication = get_value_with_fallback("publication")
    articles = get_news(publication)

    # get customised weather based on user input or default
    city = get_value_with_fallback("city")
    weather = get_weather(city)

    # get customised currency based on user input or default
    currency_from = get_value_with_fallback("currency_from")
    currency_to = get_value_with_fallback("currency_to")
    rate, currencies = get_rate(currency_from, currency_to)

    # save cookies and return template
    response = make_response(render_template("home.html", articles=articles,
                                             weather=weather, currency_from=currency_from,
                                             currency_to=currency_to, rate=rate, currencies=sorted(currencies)))
    expires = datetime.datetime.now() + datetime.timedelta(days=365)
    response.set_cookie("publication", publication, expires=expires)
    response.set_cookie("city", city, expires=expires)
    response.set_cookie("currency_from", currency_from, expires=expires)
    response.set_cookie("currency_to", currency_to, expires=expires)
    return response


def get_rate(frm, to):
    all_currency = urllib.request.urlopen(CURRENCY_URL).read().decode('utf-8')
    parsed = json.loads(all_currency).get('rates')
    frm_rate = parsed.get(frm.upper())
    to_rate = parsed.get(to.upper())
    return (to_rate / frm_rate, parsed.keys())


def get_news(publication):
    feed = feedparser.parse(RSS_FEEDS[publication.lower()])
    return feed['entries']


def get_weather(query):
    query = urllib.parse.quote(query)
    url = WEATHER_URL.format(query)
    data = urllib.request.urlopen(url).read().decode('utf-8')
    parsed = json.loads(data)
    weather = None
    if parsed.get('weather'):
        weather = {'description': parsed['weather'][0]['description'],
                   'temperature': parsed['main']['temp'],
                   'city': parsed['name'],
                   'country': parsed['sys']['country']
                   }
    return weather

if __name__ == "__main__":
    app.run(host='0.0.0.0',port=8000, debug=True)

home.html

  
    
       
    
    
      

        

          
Headlines
          
Headlines. Currency. Weather.
        
        

      
      

        
Current weather
        
        

          
          
        
        
City: {{weather.city}}, {{weather.country}}
        
{{weather.description}} |{{weather.temperature}}℃

        
Currency
        

          from: 
          
            {% for currency in currencies %}
              {{currency}}
            {% endfor %}
          
          to: 
          
            {% for currency in currencies %}
              {{currency}}
            {% endfor %}
          
          
        

        1 {{currency_from}} = {{currency_to}} {{rate}}
        
        
Headlines
        

          
          
        

        {% for article in articles %}
          {{article.title}}

          {{article.published}}

          
{{article.summary}}
 
          

        {% endfor %}

    
  

python_flask_autotest5.PNG

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