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# vim: set fileencoding=utf-8 :
#
# (C) 2010 Guido Guenther <agx@sigxcpu.org>
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
import logging
class ProviderError(Exception):
def __init__(self, msg):
self.msg = msg
class Provider(object):
"""
Keeps the information on howto interact with a certain provider, that
his howto top up the ballance and how to query the current ballance
It doesn't keep any current balance information or similar since this is
associated with an account (a user can have several SIM cards form the same
provider)
"""
def __init__(self, country, name):
self.country = country
self.name = name
self.fetch_balance_cmds = {}
self.top_up_cmds = {}
logging.debug("New provider: %s, %s", country, name)
def add_fetch_balance_cmd(self, cmd):
self.fetch_balance_cmds.update(cmd)
logging.debug("Adding balance check %s" % cmd)
def add_top_up_cmd(self, cmd):
self.top_up_cmds.update(cmd)
logging.debug("Adding top up %s" % cmd)
def has_fetch_balance_cmd(self):
# Only USSD for now
if self.fetch_balance_cmds.has_key('ussd'):
return True
else:
return False
def has_top_up_cmd(self):
# Only USSD for now
if self.top_up_cmds.has_key('ussd'):
return True
else:
return False
def get_top_up_code_length(self):
"""The length of the topup code"""
if self.has_top_up_cmd():
return self.top_up_cmds['ussd'][2]
else:
return 0
@property
def top_up_code_length(self):
return self.get_top_up_code_length()
def fetch_balance(self, mm, reply_func=None, error_func=None):
if self.has_fetch_balance_cmd():
mm.ussd_initiate (self.fetch_balance_cmds['ussd'],
reply_func=reply_func,
error_func=error_func)
return True
else:
return False
def top_up(self, mm, code, reply_func=None, error_func=None):
if self.has_top_up_cmd():
cmd = self.top_up_cmds['ussd'][0].replace(
self.top_up_cmds['ussd'][1],
code)
logging.debug("Top up cmd: %s", cmd)
mm.ussd_initiate (cmd, reply_func=reply_func, error_func=error_func)
return True
else:
return False
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