# -*- coding: UTF-8 -*-
# pylint: disable=C0111,R0903
"""Displays currency exchange rates. Currently, displays currency between GBP and USD/EUR only.
Requires the following python packages:
* requests
Parameters:
* currency.interval: Interval in minutes between updates, default is 1.
* currency.source: Source currency (ex. 'GBP', 'EUR'). Defaults to 'auto', which infers the local one from IP address.
* currency.destination: Comma-separated list of destination currencies (defaults to 'USD,EUR')
* currency.sourceformat: String format for source formatting; Defaults to '{}: {}' and has two variables,
the base symbol and the rate list
* currency.destinationdelimiter: Delimiter used for separating individual rates (defaults to '|')
Note: source and destination names right now must correspond to the names used by the API of https://markets.ft.com
"""
import requests
try:
from babel.numbers import format_currency
except ImportError:
format_currency = None
import json
import os
import core.module
import core.widget
import core.decorators
import util.format
import util.location
SYMBOL = {
'GBP': u'£', 'EUR': u'€', 'USD': u'$', 'JPY': u'¥', 'KRW': u'₩'
}
DEFAULT_DEST = 'USD,EUR,auto'
DEFAULT_SRC = 'GBP'
API_URL = 'https://markets.ft.com/data/currencies/ajax/conversion?baseCurrency={}&comparison={}'
def load_country_to_currency():
return [
{
"country": "Afghanistan",
"currency_code": "AFN"
},
{
"country": "Albania",
"currency_code": "ALL"
},
{
"country": "Algeria",
"currency_code": "DZD"
},
{
"country": "American Samoa",
"currency_code": "USD"
},
{
"country": "Andorra",
"currency_code": "EUR"
},
{
"country": "Angola",
"currency_code": "AOA"
},
{
"country": "Anguilla",
"currency_code": "XCD"
},
{
"country": "Antarctica",
"currency_code": "XCD"
},
{
"country": "Antigua and Barbuda",
"currency_code": "XCD"
},
{
"country": "Argentina",
"currency_code": "ARS"
},
{
"country": "Armenia",
"currency_code": "AMD"
},
{
"country": "Aruba",
"currency_code": "AWG"
},
{
"country": "Australia",
"currency_code": "AUD"
},
{
"country": "Austria",
"currency_code": "EUR"
},
{
"country": "Azerbaijan",
"currency_code": "AZN"
},
{
"country": "Bahamas",
"currency_code": "BSD"
},
{
"country": "Bahrain",
"currency_code": "BHD"
},
{
"country": "Bangladesh",
"currency_code": "BDT"
},
{
"country": "Barbados",
"currency_code": "BBD"
},
{
"country": "Belarus",
"currency_code": "BYR"
},
{
"country": "Belgium",
"currency_code": "EUR"
},
{
"country": "Belize",
"currency_code": "BZD"
},
{
"country": "Benin",
"currency_code": "XOF"
},
{
"country": "Bermuda",
"currency_code": "BMD"
},
{
"country": "Bhutan",
"currency_code": "BTN"
},
{
"country": "Bolivia",
"currency_code": "BOB"
},
{
"country": "Bosnia and Herzegovina",
"currency_code": "BAM"
},
{
"country": "Botswana",
"currency_code": "BWP"
},
{
"country": "Bouvet Island",
"currency_code": "NOK"
},
{
"country": "Brazil",
"currency_code": "BRL"
},
{
"country": "British Indian Ocean Territory",
"currency_code": "USD"
},
{
"country": "Brunei",
"currency_code": "BND"
},
{
"country": "Bulgaria",
"currency_code": "BGN"
},
{
"country": "Burkina Faso",
"currency_code": "XOF"
},
{
"country": "Burundi",
"currency_code": "BIF"
},
{
"country": "Cambodia",
"currency_code": "KHR"
},
{
"country": "Cameroon",
"currency_code": "XAF"
},
{
"country": "Canada",
"currency_code": "CAD"
},
{
"country": "Cape Verde",
"currency_code": "CVE"
},
{
"country": "Cayman Islands",
"currency_code": "KYD"
},
{
"country": "Central African Republic",
"currency_code": "XAF"
},
{
"country": "Chad",
"currency_code": "XAF"
},
{
"country": "Chile",
"currency_code": "CLP"
},
{
"country": "China",
"currency_code": "CNY"
},
{
"country": "Christmas Island",
"currency_code": "AUD"
},
{
"country": "Cocos (Keeling) Islands",
"currency_code": "AUD"
},
{
"country": "Colombia",
"currency_code": "COP"
},
{
"country": "Comoros",
"currency_code": "KMF"
},
{
"country": "Congo",
"currency_code": "XAF"
},
{
"country": "Cook Islands",
"currency_code": "NZD"
},
{
"country": "Costa Rica",
"currency_code": "CRC"
},
{
"country": "Croatia",
"currency_code": "HRK"
},
{
"country": "Cuba",
"currency_code": "CUP"
},
{
"country": "Cyprus",
"currency_code": "EUR"
},
{
"country": "Czech Republic",
"currency_code": "CZK"
},
{
"country": "Denmark",
"currency_code": "DKK"
},
{
"country": "Djibouti",
"currency_code": "DJF"
},
{
"country": "Dominica",
"currency_code": "XCD"
},
{
"country": "Dominican Republic",
"currency_code": "DOP"
},
{
"country": "East Timor",
"currency_code": "USD"
},
{
"country": "Ecuador",
"currency_code": "ECS"
},
{
"country": "Egypt",
"currency_code": "EGP"
},
{
"country": "El Salvador",
"currency_code": "SVC"
},
{
"country": "England",
"currency_code": "GBP"
},
{
"country": "Equatorial Guinea",
"currency_code": "XAF"
},
{
"country": "Eritrea",
"currency_code": "ERN"
},
{
"country": "Estonia",
"currency_code": "EUR"
},
{
"country": "Ethiopia",
"currency_code": "ETB"
},
{
"country": "Falkland Islands",
"currency_code": "FKP"
},
{
"country": "Faroe Islands",
"currency_code": "DKK"
},
{
"country": "Fiji Islands",
"currency_code": "FJD"
},
{
"country": "Finland",
"currency_code": "EUR"
},
{
"country": "France",
"currency_code": "EUR"
},
{
"country": "French Guiana",
"currency_code": "EUR"
},
{
"country": "French Polynesia",
"currency_code": "XPF"
},
{
"country": "French Southern territories",
"currency_code": "EUR"
},
{
"country": "Gabon",
"currency_code": "XAF"
},
{
"country": "Gambia",
"currency_code": "GMD"
},
{
"country": "Georgia",
"currency_code": "GEL"
},
{
"country": "Germany",
"currency_code": "EUR"
},
{
"country": "Ghana",
"currency_code": "GHS"
},
{
"country": "Gibraltar",
"currency_code": "GIP"
},
{
"country": "Greece",
"currency_code": "EUR"
},
{
"country": "Greenland",
"currency_code": "DKK"
},
{
"country": "Grenada",
"currency_code": "XCD"
},
{
"country": "Guadeloupe",
"currency_code": "EUR"
},
{
"country": "Guam",
"currency_code": "USD"
},
{
"country": "Guatemala",
"currency_code": "QTQ"
},
{
"country": "Guinea",
"currency_code": "GNF"
},
{
"country": "Guinea-Bissau",
"currency_code": "CFA"
},
{
"country": "Guyana",
"currency_code": "GYD"
},
{
"country": "Haiti",
"currency_code": "HTG"
},
{
"country": "Heard Island and McDonald Islands",
"currency_code": "AUD"
},
{
"country": "Holy See (Vatican City State)",
"currency_code": "EUR"
},
{
"country": "Honduras",
"currency_code": "HNL"
},
{
"country": "Hong Kong",
"currency_code": "HKD"
},
{
"country": "Hungary",
"currency_code": "HUF"
},
{
"country": "Iceland",
"currency_code": "ISK"
},
{
"country": "India",
"currency_code": "INR"
},
{
"country": "Indonesia",
"currency_code": "IDR"
},
{
"country": "Iran",
"currency_code": "IRR"
},
{
"country": "Iraq",
"currency_code": "IQD"
},
{
"country": "Ireland",
"currency_code": "EUR"
},
{
"country": "Israel",
"currency_code": "ILS"
},
{
"country": "Italy",
"currency_code": "EUR"
},
{
"country": "Ivory Coast",
"currency_code": "XOF"
},
{
"country": "Jamaica",
"currency_code": "JMD"
},
{
"country": "Japan",
"currency_code": "JPY"
},
{
"country": "Jordan",
"currency_code": "JOD"
},
{
"country": "Kazakhstan",
"currency_code": "KZT"
},
{
"country": "Kenya",
"currency_code": "KES"
},
{
"country": "Kiribati",
"currency_code": "AUD"
},
{
"country": "Kuwait",
"currency_code": "KWD"
},
{
"country": "Kyrgyzstan",
"currency_code": "KGS"
},
{
"country": "Laos",
"currency_code": "LAK"
},
{
"country": "Latvia",
"currency_code": "LVL"
},
{
"country": "Lebanon",
"currency_code": "LBP"
},
{
"country": "Lesotho",
"currency_code": "LSL"
},
{
"country": "Liberia",
"currency_code": "LRD"
},
{
"country": "Libyan Arab Jamahiriya",
"currency_code": "LYD"
},
{
"country": "Liechtenstein",
"currency_code": "CHF"
},
{
"country": "Lithuania",
"currency_code": "LTL"
},
{
"country": "Luxembourg",
"currency_code": "EUR"
},
{
"country": "Macao",
"currency_code": "MOP"
},
{
"country": "North Macedonia",
"currency_code": "MKD"
},
{
"country": "Madagascar",
"currency_code": "MGF"
},
{
"country": "Malawi",
"currency_code": "MWK"
},
{
"country": "Malaysia",
"currency_code": "MYR"
},
{
"country": "Maldives",
"currency_code": "MVR"
},
{
"country": "Mali",
"currency_code": "XOF"
},
{
"country": "Malta",
"currency_code": "EUR"
},
{
"country": "Marshall Islands",
"currency_code": "USD"
},
{
"country": "Martinique",
"currency_code": "EUR"
},
{
"country": "Mauritania",
"currency_code": "MRO"
},
{
"country": "Mauritius",
"currency_code": "MUR"
},
{
"country": "Mayotte",
"currency_code": "EUR"
},
{
"country": "Mexico",
"currency_code": "MXN"
},
{
"country": "Micronesia, Federated States of",
"currency_code": "USD"
},
{
"country": "Moldova",
"currency_code": "MDL"
},
{
"country": "Monaco",
"currency_code": "EUR"
},
{
"country": "Mongolia",
"currency_code": "MNT"
},
{
"country": "Montserrat",
"currency_code": "XCD"
},
{
"country": "Morocco",
"currency_code": "MAD"
},
{
"country": "Mozambique",
"currency_code": "MZN"
},
{
"country": "Myanmar",
"currency_code": "MMR"
},
{
"country": "Namibia",
"currency_code": "NAD"
},
{
"country": "Nauru",
"currency_code": "AUD"
},
{
"country": "Nepal",
"currency_code": "NPR"
},
{
"country": "Netherlands",
"currency_code": "EUR"
},
{
"country": "Netherlands Antilles",
"currency_code": "ANG"
},
{
"country": "New Caledonia",
"currency_code": "XPF"
},
{
"country": "New Zealand",
"currency_code": "NZD"
},
{
"country": "Nicaragua",
"currency_code": "NIO"
},
{
"country": "Niger",
"currency_code": "XOF"
},
{
"country": "Nigeria",
"currency_code": "NGN"
},
{
"country": "Niue",
"currency_code": "NZD"
},
{
"country": "Norfolk Island",
"currency_code": "AUD"
},
{
"country": "North Korea",
"currency_code": "KPW"
},
{
"country": "Northern Ireland",
"currency_code": "GBP"
},
{
"country": "Northern Mariana Islands",
"currency_code": "USD"
},
{
"country": "Norway",
"currency_code": "NOK"
},
{
"country": "Oman",
"currency_code": "OMR"
},
{
"country": "Pakistan",
"currency_code": "PKR"
},
{
"country": "Palau",
"currency_code": "USD"
},
{
"country": "Palestine",
"currency_code": null
},
{
"country": "Panama",
"currency_code": "PAB"
},
{
"country": "Papua New Guinea",
"currency_code": "PGK"
},
{
"country": "Paraguay",
"currency_code": "PYG"
},
{
"country": "Peru",
"currency_code": "PEN"
},
{
"country": "Philippines",
"currency_code": "PHP"
},
{
"country": "Pitcairn",
"currency_code": "NZD"
},
{
"country": "Poland",
"currency_code": "PLN"
},
{
"country": "Portugal",
"currency_code": "EUR"
},
{
"country": "Puerto Rico",
"currency_code": "USD"
},
{
"country": "Qatar",
"currency_code": "QAR"
},
{
"country": "Reunion",
"currency_code": "EUR"
},
{
"country": "Romania",
"currency_code": "RON"
},
{
"country": "Russian Federation",
"currency_code": "RUB"
},
{
"country": "Rwanda",
"currency_code": "RWF"
},
{
"country": "Saint Helena",
"currency_code": "SHP"
},
{
"country": "Saint Kitts and Nevis",
"currency_code": "XCD"
},
{
"country": "Saint Lucia",
"currency_code": "XCD"
},
{
"country": "Saint Pierre and Miquelon",
"currency_code": "EUR"
},
{
"country": "Saint Vincent and the Grenadines",
"currency_code": "XCD"
},
{
"country": "Samoa",
"currency_code": "WST"
},
{
"country": "San Marino",
"currency_code": "EUR"
},
{
"country": "Sao Tome and Principe",
"currency_code": "STD"
},
{
"country": "Saudi Arabia",
"currency_code": "SAR"
},
{
"country": "Scotland",
"currency_code": "GBP"
},
{
"country": "Senegal",
"currency_code": "XOF"
},
{
"country": "Seychelles",
"currency_code": "SCR"
},
{
"country": "Sierra Leone",
"currency_code": "SLL"
},
{
"country": "Singapore",
"currency_code": "SGD"
},
{
"country": "Slovakia",
"currency_code": "EUR"
},
{
"country": "Slovenia",
"currency_code": "EUR"
},
{
"country": "Solomon Islands",
"currency_code": "SBD"
},
{
"country": "Somalia",
"currency_code": "SOS"
},
{
"country": "South Africa",
"currency_code": "ZAR"
},
{
"country": "South Georgia and the South Sandwich Islands",
"currency_code": "GBP"
},
{
"country": "South Korea",
"currency_code": "KRW"
},
{
"country": "South Sudan",
"currency_code": "SSP"
},
{
"country": "Spain",
"currency_code": "EUR"
},
{
"country": "SriLanka",
"currency_code": "LKR"
},
{
"country": "Sudan",
"currency_code": "SDG"
},
{
"country": "Suriname",
"currency_code": "SRD"
},
{
"country": "Svalbard and Jan Mayen",
"currency_code": "NOK"
},
{
"country": "Swaziland",
"currency_code": "SZL"
},
{
"country": "Sweden",
"currency_code": "SEK"
},
{
"country": "Switzerland",
"currency_code": "CHF"
},
{
"country": "Syria",
"currency_code": "SYP"
},
{
"country": "Tajikistan",
"currency_code": "TJS"
},
{
"country": "Tanzania",
"currency_code": "TZS"
},
{
"country": "Thailand",
"currency_code": "THB"
},
{
"country": "The Democratic Republic of Congo",
"currency_code": "CDF"
},
{
"country": "Togo",
"currency_code": "XOF"
},
{
"country": "Tokelau",
"currency_code": "NZD"
},
{
"country": "Tonga",
"currency_code": "TOP"
},
{
"country": "Trinidad and Tobago",
"currency_code": "TTD"
},
{
"country": "Tunisia",
"currency_code": "TND"
},
{
"country": "Turkey",
"currency_code": "TRY"
},
{
"country": "Turkmenistan",
"currency_code": "TMT"
},
{
"country": "Turks and Caicos Islands",
"currency_code": "USD"
},
{
"country": "Tuvalu",
"currency_code": "AUD"
},
{
"country": "Uganda",
"currency_code": "UGX"
},
{
"country": "Ukraine",
"currency_code": "UAH"
},
{
"country": "United Arab Emirates",
"currency_code": "AED"
},
{
"country": "United Kingdom",
"currency_code": "GBP"
},
{
"country": "United States",
"currency_code": "USD"
},
{
"country": "United States Minor Outlying Islands",
"currency_code": "USD"
},
{
"country": "Uruguay",
"currency_code": "UYU"
},
{
"country": "Uzbekistan",
"currency_code": "UZS"
},
{
"country": "Vanuatu",
"currency_code": "VUV"
},
{
"country": "Venezuela",
"currency_code": "VEF"
},
{
"country": "Vietnam",
"currency_code": "VND"
},
{
"country": "Virgin Islands, British",
"currency_code": "USD"
},
{
"country": "Virgin Islands, U.S.",
"currency_code": "USD"
},
{
"country": "Wales",
"currency_code": "GBP"
},
{
"country": "Wallis and Futuna",
"currency_code": "XPF"
},
{
"country": "Western Sahara",
"currency_code": "MAD"
},
{
"country": "Yemen",
"currency_code": "YER"
},
{
"country": "Yugoslavia",
"currency_code": null
},
{
"country": "Zambia",
"currency_code": "ZMW"
},
{
"country": "Zimbabwe",
"currency_code": "ZWD"
}
]
class Module(core.module.Module):
@core.decorators.every(minutes=5)
def __init__(self, config, theme):
super().__init__(config, theme, core.widget.Widget(self.price))
self.__data = []
src = self.parameter('source', DEFAULT_SRC)
if src == 'auto':
self.__base = self.find_local_currency()
else:
self.__base = src
self.__symbols = []
for d in util.format.aslist(self.parameter('destination', DEFAULT_DEST)):
if d == 'auto':
new = self.find_local_currency()
else:
new = d
if new != self.__base:
self.__symbols.append(new)
def price(self, widget):
if len(self.__data) == 0:
return '?'
rates = []
for sym, rate in self.__data:
rate_float = float(rate.replace(',',''))
if format_currency:
rates.append(format_currency(rate_float, sym))
else:
rate = self.fmt_rate(rate)
rates.append(u'{}{}'.format(rate, SYMBOL[sym] if sym in SYMBOL else sym))
basefmt = u'{}'.format(self.parameter('sourceformat', '{}={}'))
ratefmt = u'{}'.format(self.parameter('destinationdelimiter', '='))
if format_currency:
base_val = format_currency(1, self.__base)
else:
base_val = '1{}'.format(SYMBOL[self.__base] if self.__base in SYMBOL else self.__base)
return basefmt.format(base_val, ratefmt.join(rates))
def update(self):
self.__data = []
for symbol in self.__symbols:
url = API_URL.format(self.__base, symbol)
try:
response = requests.get(url).json()
self.__data.append((symbol, response['data']['exchangeRate']))
except Exception:
pass
def find_local_currency(self):
"""Use geolocation lookup to find local currency"""
try:
country = util.location.country()
currency_map = load_country_to_currency()
return currency_map.get(country, DEFAULT_SRC)
except:
return DEFAULT_SRC
def fmt_rate(self, rate):
float_rate = float(rate.replace(',', ''))
if not 0.01 < float_rate < 100:
ret = rate
else:
ret = '%.3g' % float_rate
return ret
# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4