mirror of https://github.com/searx/searx
97 lines
2.4 KiB
Python
97 lines
2.4 KiB
Python
import json
|
|
import re
|
|
import os
|
|
import unicodedata
|
|
|
|
from io import open
|
|
from datetime import datetime
|
|
|
|
|
|
categories = []
|
|
url = 'https://duckduckgo.com/js/spice/currency/1/{0}/{1}'
|
|
weight = 100
|
|
|
|
parser_re = re.compile(b'.*?(\\d+(?:\\.\\d+)?) ([^.0-9]+) (?:in|to) ([^.0-9]+)', re.I)
|
|
|
|
db = 1
|
|
|
|
|
|
def normalize_name(name):
|
|
name = name.decode().lower().replace('-', ' ').rstrip('s')
|
|
name = re.sub(' +', ' ', name)
|
|
return unicodedata.normalize('NFKD', name).lower()
|
|
|
|
|
|
def name_to_iso4217(name):
|
|
global db
|
|
|
|
name = normalize_name(name)
|
|
currencies = db['names'].get(name, [name])
|
|
return currencies[0]
|
|
|
|
|
|
def iso4217_to_name(iso4217, language):
|
|
global db
|
|
|
|
return db['iso4217'].get(iso4217, {}).get(language, iso4217)
|
|
|
|
|
|
def request(query, params):
|
|
m = parser_re.match(query)
|
|
if not m:
|
|
# wrong query
|
|
return params
|
|
amount, from_currency, to_currency = m.groups()
|
|
amount = float(amount)
|
|
from_currency = name_to_iso4217(from_currency.strip())
|
|
to_currency = name_to_iso4217(to_currency.strip())
|
|
|
|
q = (from_currency + to_currency).upper()
|
|
|
|
params['url'] = url.format(from_currency, to_currency)
|
|
params['amount'] = amount
|
|
params['from'] = from_currency
|
|
params['to'] = to_currency
|
|
params['from_name'] = iso4217_to_name(from_currency, 'en')
|
|
params['to_name'] = iso4217_to_name(to_currency, 'en')
|
|
|
|
return params
|
|
|
|
|
|
def response(resp):
|
|
"""remove first and last lines to get only json"""
|
|
json_resp = resp.text[resp.text.find('\n') + 1:resp.text.rfind('\n') - 2]
|
|
results = []
|
|
try:
|
|
conversion_rate = float(json.loads(json_resp)['conversion']['converted-amount'])
|
|
except:
|
|
return results
|
|
answer = '{0} {1} = {2} {3}, 1 {1} ({5}) = {4} {3} ({6})'.format(
|
|
resp.search_params['amount'],
|
|
resp.search_params['from'],
|
|
resp.search_params['amount'] * conversion_rate,
|
|
resp.search_params['to'],
|
|
conversion_rate,
|
|
resp.search_params['from_name'],
|
|
resp.search_params['to_name'],
|
|
)
|
|
|
|
url = 'https://duckduckgo.com/js/spice/currency/1/{0}/{1}'.format(
|
|
resp.search_params['from'].upper(), resp.search_params['to'])
|
|
|
|
results.append({'answer': answer, 'url': url})
|
|
|
|
return results
|
|
|
|
|
|
def load():
|
|
global db
|
|
|
|
current_dir = os.path.dirname(os.path.realpath(__file__))
|
|
json_data = open(current_dir + "/../data/currencies.json", 'r', encoding='utf-8').read()
|
|
|
|
db = json.loads(json_data)
|
|
|
|
|
|
load()
|