Ponysearch/searx/engines/currency_convert.py

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from datetime import datetime
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import re
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categories = []
url = 'http://finance.yahoo.com/d/quotes.csv?e=.csv&f=sl1d1t1&s={query}=X'
weight = 100
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parser_re = re.compile(r'^\W*(\d+(?:\.\d+)?)\W*([a-z]{3})\W*(?:in)?\W*([a-z]{3})\W*$', re.I)
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def request(query, params):
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m = parser_re.match(query)
if not m:
# wrong query
return params
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try:
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ammount, from_currency, to_currency = m.groups()
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ammount = float(ammount)
except:
# wrong params
return params
q = (from_currency+to_currency).upper()
params['url'] = url.format(query=q)
params['ammount'] = ammount
params['from'] = from_currency
params['to'] = to_currency
return params
def response(resp):
global base_url
results = []
try:
_,conversion_rate,_ = resp.text.split(',', 2)
conversion_rate = float(conversion_rate)
except:
return results
title = '{0} {1} in {2} is {3}'.format(resp.search_params['ammount']
,resp.search_params['from']
,resp.search_params['to']
,resp.search_params['ammount']*conversion_rate
)
content = '1 {0} is {1} {2}'.format(resp.search_params['from'], conversion_rate, resp.search_params['to'])
now_date = datetime.now().strftime('%Y%m%d')
url = 'http://finance.yahoo.com/currency/converter-results/{0}/{1}-{2}-to-{3}.html'
url = url.format(now_date
,resp.search_params['ammount']
,resp.search_params['from'].lower()
,resp.search_params['to'].lower()
)
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results.append({'title': title, 'content': content, 'url': url})
return results