FM / python

/usr/lib/python3/dist-packages/twisted/python/

/usr/lib/python3/dist-packages/twisted/python

Name	Size	Mode	Actions
test/	-	0755	rm
_pydoctortemplates/	-	0755	rm
__pycache__/	-	0755	rm
compat.py	23194	0644	edit dl rm
components.py	14295	0644	edit dl rm
constants.py	544	0644	edit dl rm
context.py	4024	0644	edit dl rm
deprecate.py	26775	0644	edit dl rm
failure.py	26638	0644	edit dl rm
fakepwd.py	6138	0644	edit dl rm
filepath.py	58887	0644	edit dl rm
formmethod.py	11460	0644	edit dl rm
htmlizer.py	3541	0644	edit dl rm
lockfile.py	7718	0644	edit dl rm
log.py	22472	0644	edit dl rm
logfile.py	10083	0644	edit dl rm
modules.py	27141	0644	edit dl rm
monkey.py	2227	0644	edit dl rm
procutils.py	1419	0644	edit dl rm
randbytes.py	3959	0644	edit dl rm
rebuild.py	9268	0644	edit dl rm
reflect.py	19477	0644	edit dl rm
release.py	1192	0644	edit dl rm
roots.py	7404	0644	edit dl rm
runtime.py	6270	0644	edit dl rm
sendmsg.py	3420	0644	edit dl rm
shortcut.py	2253	0644	edit dl rm
syslog.py	3730	0644	edit dl rm
systemd.py	2834	0644	edit dl rm
text.py	5482	0644	edit dl rm
threadable.py	3297	0644	edit dl rm
threadpool.py	9840	0644	edit dl rm
twisted-completion.zsh	1371	0644	edit dl rm
url.py	244	0644	edit dl rm
urlpath.py	9084	0644	edit dl rm
usage.py	35010	0644	edit dl rm
util.py	27931	0644	edit dl rm
versions.py	322	0644	edit dl rm
win32.py	4317	0644	edit dl rm
zippath.py	9237	0644	edit dl rm
zipstream.py	9757	0644	edit dl rm
_appdirs.py	788	0644	edit dl rm
_inotify.py	3455	0644	edit dl rm
_oldstyle.py	2593	0644	edit dl rm
_release.py	18548	0644	edit dl rm
_setup.py	12953	0644	edit dl rm
_shellcomp.py	24830	0644	edit dl rm
_textattributes.py	9079	0644	edit dl rm
_tzhelper.py	3192	0644	edit dl rm
_url.py	253	0644	edit dl rm
__init__.py	674	0644	edit dl rm

Edit: /usr/lib/python3/dist-packages/twisted/python/sendmsg.py (3420B)

# -*- test-case-name: twisted.test.test_sendmsg -*-
# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.

"""
sendmsg(2) and recvmsg(2) support for Python.
"""

from __future__ import absolute_import, division

from collections import namedtuple
from twisted.python.compat import _PY3

__all__ = ["sendmsg", "recvmsg", "getSocketFamily", "SCM_RIGHTS"]

if not _PY3:
    from twisted.python._sendmsg import send1msg, recv1msg
    from twisted.python._sendmsg import getsockfam, SCM_RIGHTS
    __all__ += ["send1msg", "recv1msg", "getsockfam"]
else:
    from socket import SCM_RIGHTS, CMSG_SPACE

RecievedMessage = namedtuple('RecievedMessage', ['data', 'ancillary', 'flags'])

def sendmsg(socket, data, ancillary=[], flags=0):
    """
    Send a message on a socket.

@param socket: The socket to send the message on.
    @type socket: L{socket.socket}

@param data: Bytes to write to the socket.
    @type data: bytes

@param ancillary: Extra data to send over the socket outside of the normal
        datagram or stream mechanism.  By default no ancillary data is sent.
    @type ancillary: C{list} of C{tuple} of C{int}, C{int}, and C{bytes}.

@param flags: Flags to affect how the message is sent.  See the C{MSG_}
        constants in the sendmsg(2) manual page.  By default no flags are set.
    @type flags: C{int}

@return: The return value of the underlying syscall, if it succeeds.
    """
    if _PY3:
        return socket.sendmsg([data], ancillary, flags)
    else:
        return send1msg(socket.fileno(), data, flags, ancillary)

def recvmsg(socket, maxSize=8192, cmsgSize=4096, flags=0):
    """
    Receive a message on a socket.

@param socket: The socket to receive the message on.
    @type socket: L{socket.socket}

@param maxSize: The maximum number of bytes to receive from the socket using
        the datagram or stream mechanism. The default maximum is 8192.
    @type maxSize: L{int}

@param cmsgSize: The maximum number of bytes to receive from the socket
        outside of the normal datagram or stream mechanism. The default maximum
        is 4096.
    @type cmsgSize: L{int}

@param flags: Flags to affect how the message is sent.  See the C{MSG_}
        constants in the sendmsg(2) manual page. By default no flags are set.
    @type flags: L{int}

@return: A named 3-tuple of the bytes received using the datagram/stream
        mechanism, a L{list} of L{tuple}s giving ancillary received data, and
        flags as an L{int} describing the data received.
    """
    if _PY3:
        # In Twisted's sendmsg.c, the csmg_space is defined as:
        #     int cmsg_size = 4096;
        #     cmsg_space = CMSG_SPACE(cmsg_size);
        # Since the default in Python 3's socket is 0, we need to define our
        # own default of 4096. -hawkie
        data, ancillary, flags = socket.recvmsg(
            maxSize, CMSG_SPACE(cmsgSize), flags)[0:3]
    else:
        data, flags, ancillary = recv1msg(
            socket.fileno(), flags, maxSize, cmsgSize)

return RecievedMessage(data=data, ancillary=ancillary, flags=flags)

def getSocketFamily(socket):
    """
    Return the family of the given socket.

@param socket: The socket to get the family of.
    @type socket: L{socket.socket}

@rtype: L{int}
    """
    if _PY3:
        return socket.family
    else:
        return getsockfam(socket.fileno())

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