Pastable version of Parse XML from Yahoo weather RSS feed

<pre class='prettyprint' language='python'>#!/usr/bin/python
# -*- coding: utf-8 -*-

from urllib import urlopen
from xml.dom.minidom import parse

WEATHER_URL = 'http://xml.weather.yahoo.com/forecastrss?p=%s&amp;u=%s'
WEATHER_NS = 'http://xml.weather.yahoo.com/ns/rss/1.0'

ERROR_MSG = 'No weather feed'
weather_params = ('FRXX0076','c')

class YWeatherAPI:

def __init__(self):
        self.options = ['location', 'astronomy', 'units', 'wind', 'atmosphere', 'condition', 'forecast']
    
    def query_api(self, params):
        try:
            return self.get_data(parse(urlopen(WEATHER_URL % params)))
        except:
            return ERROR_MSG
            
    def get_data(self, xml):
        data = {}
        for option in self.options:
            param_list = []
            for node in xml.getElementsByTagNameNS(WEATHER_NS, option):
                attrs = node.attributes.keys()
                options_dict = {}
                for attr in attrs :
                    value = node.getAttribute(attr)
                    options_dict[attr] = value
                param_list.append(options_dict)
            data[option]=param_list
        return data
        
y = YWeatherAPI()
print y.query_api(weather_params)</pre>
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Pastable version of Parse XML from Yahoo weather RSS feed