filter.py
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# GNU Mailutils -- a suite of utilities for electronic mail
# Copyright (C) 2009-2012, 2014-2017 Free Software Foundation, Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 3 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General
# Public License along with this library. If not, see
# <http://www.gnu.org/licenses/>.
from mailutils.c_api import filter
from mailutils.stream import *
from mailutils.error import StreamError
# Type
MU_FILTER_DECODE = 0
MU_FILTER_ENCODE = 1
# Direction
MU_FILTER_READ = MU_STREAM_READ
MU_FILTER_WRITE = MU_STREAM_WRITE
MU_FILTER_RDWR = MU_STREAM_RDWR
class FilterStream (Stream):
def __init__ (self, transport, name, type=MU_FILTER_DECODE,
direction=MU_FILTER_READ):
Stream.__init__ (self)
status = filter.create (self.stm, transport.stm, name,
type, direction)
if status:
raise StreamError (status)
class FilterIconvStream (Stream):
def __init__ (self, transport, fromcode, tocode, direction=MU_FILTER_READ):
Stream.__init__ (self)
status = filter.iconv_create (self.stm, transport.stm,
fromcode, tocode, direction)
if status:
raise StreamError (status)