/usr/share/dreampie/dreampielib/common/objectstream.py is in dreampie 1.1.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | # Copyright 2009 Noam Yorav-Raphael
#
# This file is part of DreamPie.
#
# DreamPie 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.
#
# DreamPie 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 DreamPie. If not, see <http://www.gnu.org/licenses/>.
"""
Send objects over a socket by brining them.
"""
__all__ = ['send_object', 'recv_object']
import sys
py3k = (sys.version_info[0] == 3)
import struct
# This was "from . import brine", but a bug in 2to3 in Python 2.6.5
# converted it to "from .. import brine", so I changed that.
from ..common import brine
if not py3k:
empty_bytes = ''
else:
empty_bytes = bytes()
def send_object(sock, obj):
"""Send an object over a socket"""
s = brine.dump(obj)
msg = struct.pack('<l', len(s)) + s
sock.sendall(msg)
def recv_object(sock):
"""Receive an object over a socket"""
length_str = empty_bytes
while len(length_str) < 4:
r = sock.recv(4 - len(length_str))
if not r:
raise IOError("Socket closed unexpectedly")
length_str += r
length, = struct.unpack('<i', length_str)
parts = []
len_received = 0
while len_received < length:
r = sock.recv(length - len_received)
if not r:
raise IOError("Socket closed unexpectedly")
parts.append(r)
len_received += len(r)
s = empty_bytes.join(parts)
obj = brine.load(s)
return obj
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