phenny/modules/bitcoin.py

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#!/usr/bin/python3
"""
bitcoin.py - bitcoin currency conversion
author: mutantmonkey <mutantmonkey@mutantmonkey.in>
"""
import decimal
import web
def bitcoin(phenny, input):
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""".bitcoin <amount> <currency> [<output currency]> - Convert an
arbitrary amount of some currency to or from Bitcoin."""
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amount = input.group(2)
currency = input.group(3)
if not amount or not currency:
phenny.say("You need to need to specify an amount and a currency, "
"like .bitcoin 1 EUR")
return
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if currency.upper() == 'BTC':
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from_btc = True
currency = input.group(4)
else:
from_btc = False
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currency = currency.upper()
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if not currency:
currency = 'USD'
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currency = currency.strip()[:3].upper()
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try:
amount = decimal.Decimal(amount)
except decimal.InvalidOperation:
phenny.say("Please specify a valid decimal amount to convert.")
return
try:
data = web.get('http://data.mtgox.com/api/2/BTC{}/money/ticker'.format(
web.quote(currency)))
except web.HTTPError:
phenny.say("Sorry, I don't know how to convert those right now.")
return
data = web.json(data)
rate = decimal.Decimal(data['data']['last_local']['value'])
if from_btc:
amount2 = amount * rate
amount2 = round(amount2, 2)
currency2 = data['data']['last_local']['currency'].strip()[:3]
else:
amount2 = amount / rate
amount2 = round(amount2, 8)
currency2 = 'BTC'
phenny.say("{amount} {currency}".format(amount=amount2,
currency=currency2))
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bitcoin.rule = (['bitcoin'], r'([\d\.]+)\s(\w+)(\s\w+)?')