/usr/lib/python2.7/dist-packages/mailutils/stream.py is in python-mailutils 1:3.1.1-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 | # GNU Mailutils -- a suite of utilities for electronic mail
# Copyright (C) 2009-2012, 2014-2016 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 stream
from mailutils.error import StreamError
MU_STREAM_READ = 0x00000001
MU_STREAM_WRITE = 0x00000002
MU_STREAM_RDWR = 0x00000004
MU_STREAM_APPEND = 0x00000008
MU_STREAM_CREAT = 0x00000010
MU_STREAM_NONBLOCK = 0x00000020
MU_STREAM_NO_CHECK = 0x00000040
MU_STREAM_SEEKABLE = 0x00000080
MU_STREAM_NO_CLOSE = 0x00000100
MU_STREAM_ALLOW_LINKS = 0x00000200
MU_STREAM_NONLOCK = 0x00000400
MU_STREAM_QACCESS = 0x00000800
MU_STREAM_IRGRP = 0x00001000
MU_STREAM_IWGRP = 0x00002000
MU_STREAM_IROTH = 0x00004000
MU_STREAM_IWOTH = 0x00008000
MU_STREAM_IMASK = 0x0000F000
MU_STDIN_FD = 0
MU_STDOUT_FD = 1
MU_STDERR_FD = 2
class Stream:
__refcount = 0
def __init__ (self, stm=None):
if isinstance (stm, stream.StreamType):
self.stm = stm
else:
self.stm = stream.StreamType ()
self.__reference ()
self.read_count = 0
self.write_count = 0
def __del__ (self):
if self.__dereference ():
stream.destroy (self.stm)
del self.stm
def __reference (self):
self.__refcount += 1
def __dereference (self):
self.__refcount -= 1
return self.__refcount == 0
def open (self):
status = stream.open (self.stm)
if status:
raise StreamError (status)
def close (self):
status = stream.close (self.stm)
if status:
raise StreamError (status)
def flush (self):
status = stream.flush (self.stm)
if status:
raise StreamError (status)
def wait (self, wflags):
status = stream.wait (self.stm, wflags)
if status:
raise StreamError (status)
def read (self):
status, rbuf, self.read_count = stream.read (self.stm)
if status:
raise StreamError (status)
return rbuf
def write (self, wbuf, size=None):
if size == None:
size = len (wbuf)
status, self.write_count = stream.write (self.stm, wbuf, size)
if status:
raise StreamError (status)
def readline (self):
status, rbuf, self.read_count = stream.readline (self.stm)
if status:
raise StreamError (status)
return rbuf
def to_message (self):
from mailutils import message
status, msg = stream.to_message (self.stm)
if status:
raise StreamError (status)
return message.Message (msg)
class TcpStream (Stream):
def __init__ (self, host, port, flags=MU_STREAM_READ):
Stream.__init__ (self)
status = stream.tcp_stream_create (self.stm, host, port, flags)
if status:
raise StreamError (status)
class FileStream (Stream):
def __init__ (self, filename, flags=MU_STREAM_READ):
Stream.__init__ (self)
status = stream.file_stream_create (self.stm, filename, flags)
if status:
raise StreamError (status)
class StdioStream (Stream):
def __init__ (self, fd=MU_STDIN_FD, flags=MU_STREAM_READ):
Stream.__init__ (self)
status = stream.stdio_stream_create (self.stm, fd, flags)
if status:
raise StreamError (status)
class MemoryStream (Stream):
def __init__ (self, s):
Stream.__init__ (self)
status = stream.memory_stream_create (self.stm, s)
if status:
raise StreamError (status)
class ProgStream (Stream):
def __init__ (self, progname, flags=MU_STREAM_READ):
Stream.__init__ (self)
status = stream.prog_stream_create (self.stm, progname, flags)
if status:
raise StreamError (status)
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