106 lines
2.5 KiB
Python
106 lines
2.5 KiB
Python
import json
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import re
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import os
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import sys
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import unicodedata
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from datetime import datetime
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if sys.version_info[0] == 3:
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unicode = str
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categories = []
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url = 'https://download.finance.yahoo.com/d/quotes.csv?e=.csv&f=sl1d1t1&s={query}=X'
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weight = 100
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parser_re = re.compile(b'.*?(\\d+(?:\\.\\d+)?) ([^.0-9]+) (?:in|to) ([^.0-9]+)', re.I)
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db = 1
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def normalize_name(name):
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name = name.decode('utf-8').lower().replace('-', ' ').rstrip('s')
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name = re.sub(' +', ' ', name)
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return unicodedata.normalize('NFKD', name).lower()
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def name_to_iso4217(name):
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global db
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name = normalize_name(name)
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currencies = db['names'].get(name, [name])
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return currencies[0]
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def iso4217_to_name(iso4217, language):
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global db
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return db['iso4217'].get(iso4217, {}).get(language, iso4217)
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def request(query, params):
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m = parser_re.match(query)
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if not m:
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# wrong query
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return params
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ammount, from_currency, to_currency = m.groups()
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ammount = float(ammount)
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from_currency = name_to_iso4217(from_currency.strip())
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to_currency = name_to_iso4217(to_currency.strip())
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q = (from_currency + to_currency).upper()
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params['url'] = url.format(query=q)
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params['ammount'] = ammount
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params['from'] = from_currency
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params['to'] = to_currency
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params['from_name'] = iso4217_to_name(from_currency, 'en')
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params['to_name'] = iso4217_to_name(to_currency, 'en')
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return params
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def response(resp):
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results = []
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try:
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_, conversion_rate, _ = resp.text.split(',', 2)
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conversion_rate = float(conversion_rate)
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except:
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return results
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answer = '{0} {1} = {2} {3}, 1 {1} ({5}) = {4} {3} ({6})'.format(
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resp.search_params['ammount'],
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resp.search_params['from'],
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resp.search_params['ammount'] * conversion_rate,
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resp.search_params['to'],
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conversion_rate,
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resp.search_params['from_name'],
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resp.search_params['to_name'],
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)
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now_date = datetime.now().strftime('%Y%m%d')
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url = 'https://finance.yahoo.com/currency/converter-results/{0}/{1}-{2}-to-{3}.html' # noqa
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url = url.format(
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now_date,
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resp.search_params['ammount'],
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resp.search_params['from'].lower(),
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resp.search_params['to'].lower()
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)
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results.append({'answer': answer, 'url': url})
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return results
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def load():
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global db
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current_dir = os.path.dirname(os.path.realpath(__file__))
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json_data = open(current_dir + "/../data/currencies.json").read()
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db = json.loads(json_data)
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load()
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