def main():
print 'Cargando... rate = %r...' % get_ratio()
with DAOokwDataContext(_CS_OKW) as okw:
okw.CommandTimeout = _DEFAULT_COMMAND_TIMEOUT
with DAOSomatomDataContext(_CS_OKW) as somatom:
somatom.CommandTimeout = _DEFAULT_COMMAND_TIMEOUT
script = Script(okw, somatom, get_ratio())
script.procesa()
print 'listo...'
