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#!/usr/bin/python2
import datetime
import sys
import urllib
import xml.etree.ElementTree as ET
outfile = 'currency.units'
outstr = ''
if len(sys.argv)==2:
outfile = sys.argv[1]
elif len(sys.argv)>2:
sys.stderr.write('Usage: {0} [filename]\n\n'.format(sys.argv[0]))
sys.stderr.write('Update currency information for \'units\' into the specified\n')
sys.stderr.write('filename or the default location, \'{0}\'.\n'.format(outfile))
sys.exit(1)
try:
currencies = ET.parse(urllib.urlopen('http://rss.timegenie.com/forex.xml')).findall('data')
except IOError, exc:
sys.stderr.write('Error connecting to currency server. {0}\n'.format(exc))
sys.exit(1)
# print codes here
outstr += '# ISO Currency Codes\n\n'
maxlen = 0
for currency in currencies:
code = currency.find('code').text
description = currency.find('description').text.lower().replace(' ','')
currency.find('description').text = description
outstr += code + ' '*20 + description + '\n'
if len(currency.find('description').text) > maxlen:
maxlen = len(currency.find('description').text)
if currency.find('code').text == 'USD':
usdval = currency.find('rate').text[2:]
currencies.remove(currency)
# print rates here
now = datetime.datetime.now()
outstr += '\n# Currency exchange rates from Time Genie (www.timegenie.com)\n'
outstr += '\n!message Currency exchange rates from ' + now.strftime('%Y-%m-%d') + '\n\n'
for currency in currencies:
if currency.find('code').text == 'EUR':
euro = currency.find('rate').text
currency.find('rate').text = usdval + ' US$'
else:
currency.find('rate').text += ' euro'
outstr += currency.find('description').text.ljust(maxlen+2) + '1|' + currency.find('rate').text + '\n'
# precious metals prices
# Another source for this data might be
# http://www.xmlcharts.com/cache/precious-metals.xml
outstr += '\n# Precious metals prices from http://services.packetizer.com/spotprices/\n\n'
try:
spotprices = ET.parse(urllib.urlopen('http://services.packetizer.com/spotprices/?f=xml'))
except IOError, exc:
sys.stderr.write('Error connecting to spotprices server. {0}\n'.format(exc))
sys.exit(1)
metals = ['gold','platinum','silver']
for metal in metals:
outstr += '{0} {1} US$/troyounce\n'.format((metal+'price').ljust(15), spotprices.find(metal).text)
try:
if outfile == '-':
outfile = sys.stdout
else:
outfile = open(outfile,'w')
except IOError, exc:
sys.stderr.write('Unable to write to output file. {0}\n'.format(exc))
sys.exit(1)
outfile.write(outstr)
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