first commit

.venv/Lib/site-packages/zmq/backend/cython/__init__.pxd

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+from zmq.backend.cython.context cimport Context
+from zmq.backend.cython.message cimport Frame
+from zmq.backend.cython.socket cimport Socket

.venv/Lib/site-packages/zmq/backend/cython/__init__.py

@@ -0,0 +1,40 @@
+"""Python bindings for core 0MQ objects."""
+
+# Copyright (C) PyZMQ Developers
+# Distributed under the terms of the Lesser GNU Public License (LGPL).
+
+from . import (
+    _device,
+    _poll,
+    _proxy_steerable,
+    _version,
+    context,
+    error,
+    message,
+    socket,
+    utils,
+)
+
+__all__ = []
+for submod in (
+    error,
+    message,
+    context,
+    socket,
+    utils,
+    _poll,
+    _version,
+    _device,
+    _proxy_steerable,
+):
+    __all__.extend(submod.__all__)
+
+from ._device import *  # noqa
+from ._poll import *  # noqa
+from ._proxy_steerable import *  # noqa
+from ._version import *  # noqa
+from .context import *  # noqa
+from .error import *  # noqa
+from .message import *  # noqa
+from .socket import *  # noqa
+from .utils import *  # noqa

.venv/Lib/site-packages/zmq/backend/cython/checkrc.pxd

@@ -0,0 +1,29 @@
+from cpython cimport PyErr_CheckSignals
+from libc.errno cimport EAGAIN, EINTR
+
+from .libzmq cimport ZMQ_ETERM, zmq_errno
+
+
+cdef inline int _check_rc(int rc, bint error_without_errno=True) except -1:
+    """internal utility for checking zmq return condition
+
+    and raising the appropriate Exception class
+    """
+    cdef int errno = zmq_errno()
+    PyErr_CheckSignals()
+    if errno == 0 and not error_without_errno:
+        return 0
+    if rc == -1: # if rc < -1, it's a bug in libzmq. Should we warn?
+        if errno == EINTR:
+            from zmq.error import InterruptedSystemCall
+            raise InterruptedSystemCall(errno)
+        elif errno == EAGAIN:
+            from zmq.error import Again
+            raise Again(errno)
+        elif errno == ZMQ_ETERM:
+            from zmq.error import ContextTerminated
+            raise ContextTerminated(errno)
+        else:
+            from zmq.error import ZMQError
+            raise ZMQError(errno)
+    return 0

.venv/Lib/site-packages/zmq/backend/cython/constant_enums.pxi

@@ -0,0 +1,228 @@
+cdef extern from "zmq.h" nogil:
+    enum: PYZMQ_DRAFT_API
+    enum: ZMQ_VERSION
+    enum: ZMQ_VERSION_MAJOR
+    enum: ZMQ_VERSION_MINOR
+    enum: ZMQ_VERSION_PATCH
+    enum: ZMQ_IO_THREADS
+    enum: ZMQ_MAX_SOCKETS
+    enum: ZMQ_SOCKET_LIMIT
+    enum: ZMQ_THREAD_PRIORITY
+    enum: ZMQ_THREAD_SCHED_POLICY
+    enum: ZMQ_MAX_MSGSZ
+    enum: ZMQ_MSG_T_SIZE
+    enum: ZMQ_THREAD_AFFINITY_CPU_ADD
+    enum: ZMQ_THREAD_AFFINITY_CPU_REMOVE
+    enum: ZMQ_THREAD_NAME_PREFIX
+    enum: ZMQ_STREAMER
+    enum: ZMQ_FORWARDER
+    enum: ZMQ_QUEUE
+    enum: ZMQ_EAGAIN "EAGAIN"
+    enum: ZMQ_EFAULT "EFAULT"
+    enum: ZMQ_EINVAL "EINVAL"
+    enum: ZMQ_ENOTSUP "ENOTSUP"
+    enum: ZMQ_EPROTONOSUPPORT "EPROTONOSUPPORT"
+    enum: ZMQ_ENOBUFS "ENOBUFS"
+    enum: ZMQ_ENETDOWN "ENETDOWN"
+    enum: ZMQ_EADDRINUSE "EADDRINUSE"
+    enum: ZMQ_EADDRNOTAVAIL "EADDRNOTAVAIL"
+    enum: ZMQ_ECONNREFUSED "ECONNREFUSED"
+    enum: ZMQ_EINPROGRESS "EINPROGRESS"
+    enum: ZMQ_ENOTSOCK "ENOTSOCK"
+    enum: ZMQ_EMSGSIZE "EMSGSIZE"
+    enum: ZMQ_EAFNOSUPPORT "EAFNOSUPPORT"
+    enum: ZMQ_ENETUNREACH "ENETUNREACH"
+    enum: ZMQ_ECONNABORTED "ECONNABORTED"
+    enum: ZMQ_ECONNRESET "ECONNRESET"
+    enum: ZMQ_ENOTCONN "ENOTCONN"
+    enum: ZMQ_ETIMEDOUT "ETIMEDOUT"
+    enum: ZMQ_EHOSTUNREACH "EHOSTUNREACH"
+    enum: ZMQ_ENETRESET "ENETRESET"
+    enum: ZMQ_EFSM "EFSM"
+    enum: ZMQ_ENOCOMPATPROTO "ENOCOMPATPROTO"
+    enum: ZMQ_ETERM "ETERM"
+    enum: ZMQ_EMTHREAD "EMTHREAD"
+    enum: ZMQ_EVENT_CONNECTED
+    enum: ZMQ_EVENT_CONNECT_DELAYED
+    enum: ZMQ_EVENT_CONNECT_RETRIED
+    enum: ZMQ_EVENT_LISTENING
+    enum: ZMQ_EVENT_BIND_FAILED
+    enum: ZMQ_EVENT_ACCEPTED
+    enum: ZMQ_EVENT_ACCEPT_FAILED
+    enum: ZMQ_EVENT_CLOSED
+    enum: ZMQ_EVENT_CLOSE_FAILED
+    enum: ZMQ_EVENT_DISCONNECTED
+    enum: ZMQ_EVENT_MONITOR_STOPPED
+    enum: ZMQ_EVENT_ALL
+    enum: ZMQ_HANDSHAKE_FAILED_NO_DETAIL
+    enum: ZMQ_HANDSHAKE_SUCCEEDED
+    enum: ZMQ_HANDSHAKE_FAILED_PROTOCOL
+    enum: ZMQ_HANDSHAKE_FAILED_AUTH
+    enum: ZMQ_PROTOCOL_ERROR_ZMTP_UNSPECIFIED
+    enum: ZMQ_PROTOCOL_ERROR_ZMTP_UNEXPECTED_COMMAND
+    enum: ZMQ_PROTOCOL_ERROR_ZMTP_INVALID_SEQUENCE
+    enum: ZMQ_PROTOCOL_ERROR_ZMTP_KEY_EXCHANGE
+    enum: ZMQ_PROTOCOL_ERROR_ZMTP_MALFORMED_COMMAND_UNSPECIFIED
+    enum: ZMQ_PROTOCOL_ERROR_ZMTP_MALFORMED_COMMAND_MESSAGE
+    enum: ZMQ_PROTOCOL_ERROR_ZMTP_MALFORMED_COMMAND_HELLO
+    enum: ZMQ_PROTOCOL_ERROR_ZMTP_MALFORMED_COMMAND_INITIATE
+    enum: ZMQ_PROTOCOL_ERROR_ZMTP_MALFORMED_COMMAND_ERROR
+    enum: ZMQ_PROTOCOL_ERROR_ZMTP_MALFORMED_COMMAND_READY
+    enum: ZMQ_PROTOCOL_ERROR_ZMTP_MALFORMED_COMMAND_WELCOME
+    enum: ZMQ_PROTOCOL_ERROR_ZMTP_INVALID_METADATA
+    enum: ZMQ_PROTOCOL_ERROR_ZMTP_CRYPTOGRAPHIC
+    enum: ZMQ_PROTOCOL_ERROR_ZMTP_MECHANISM_MISMATCH
+    enum: ZMQ_PROTOCOL_ERROR_ZAP_UNSPECIFIED
+    enum: ZMQ_PROTOCOL_ERROR_ZAP_MALFORMED_REPLY
+    enum: ZMQ_PROTOCOL_ERROR_ZAP_BAD_REQUEST_ID
+    enum: ZMQ_PROTOCOL_ERROR_ZAP_BAD_VERSION
+    enum: ZMQ_PROTOCOL_ERROR_ZAP_INVALID_STATUS_CODE
+    enum: ZMQ_PROTOCOL_ERROR_ZAP_INVALID_METADATA
+    enum: ZMQ_PROTOCOL_ERROR_WS_UNSPECIFIED
+    enum: ZMQ_EVENT_PIPES_STATS
+    enum: ZMQ_EVENT_ALL_V1
+    enum: ZMQ_EVENT_ALL_V2
+    enum: ZMQ_DONTWAIT
+    enum: ZMQ_SNDMORE
+    enum: ZMQ_NOBLOCK
+    enum: ZMQ_MORE
+    enum: ZMQ_SHARED
+    enum: ZMQ_SRCFD
+    enum: ZMQ_POLLIN
+    enum: ZMQ_POLLOUT
+    enum: ZMQ_POLLERR
+    enum: ZMQ_POLLPRI
+    enum: ZMQ_NULL
+    enum: ZMQ_PLAIN
+    enum: ZMQ_CURVE
+    enum: ZMQ_GSSAPI
+    enum: ZMQ_HWM
+    enum: ZMQ_AFFINITY
+    enum: ZMQ_ROUTING_ID
+    enum: ZMQ_SUBSCRIBE
+    enum: ZMQ_UNSUBSCRIBE
+    enum: ZMQ_RATE
+    enum: ZMQ_RECOVERY_IVL
+    enum: ZMQ_SNDBUF
+    enum: ZMQ_RCVBUF
+    enum: ZMQ_RCVMORE
+    enum: ZMQ_FD
+    enum: ZMQ_EVENTS
+    enum: ZMQ_TYPE
+    enum: ZMQ_LINGER
+    enum: ZMQ_RECONNECT_IVL
+    enum: ZMQ_BACKLOG
+    enum: ZMQ_RECONNECT_IVL_MAX
+    enum: ZMQ_MAXMSGSIZE
+    enum: ZMQ_SNDHWM
+    enum: ZMQ_RCVHWM
+    enum: ZMQ_MULTICAST_HOPS
+    enum: ZMQ_RCVTIMEO
+    enum: ZMQ_SNDTIMEO
+    enum: ZMQ_LAST_ENDPOINT
+    enum: ZMQ_ROUTER_MANDATORY
+    enum: ZMQ_TCP_KEEPALIVE
+    enum: ZMQ_TCP_KEEPALIVE_CNT
+    enum: ZMQ_TCP_KEEPALIVE_IDLE
+    enum: ZMQ_TCP_KEEPALIVE_INTVL
+    enum: ZMQ_IMMEDIATE
+    enum: ZMQ_XPUB_VERBOSE
+    enum: ZMQ_ROUTER_RAW
+    enum: ZMQ_IPV6
+    enum: ZMQ_MECHANISM
+    enum: ZMQ_PLAIN_SERVER
+    enum: ZMQ_PLAIN_USERNAME
+    enum: ZMQ_PLAIN_PASSWORD
+    enum: ZMQ_CURVE_SERVER
+    enum: ZMQ_CURVE_PUBLICKEY
+    enum: ZMQ_CURVE_SECRETKEY
+    enum: ZMQ_CURVE_SERVERKEY
+    enum: ZMQ_PROBE_ROUTER
+    enum: ZMQ_REQ_CORRELATE
+    enum: ZMQ_REQ_RELAXED
+    enum: ZMQ_CONFLATE
+    enum: ZMQ_ZAP_DOMAIN
+    enum: ZMQ_ROUTER_HANDOVER
+    enum: ZMQ_TOS
+    enum: ZMQ_CONNECT_ROUTING_ID
+    enum: ZMQ_GSSAPI_SERVER
+    enum: ZMQ_GSSAPI_PRINCIPAL
+    enum: ZMQ_GSSAPI_SERVICE_PRINCIPAL
+    enum: ZMQ_GSSAPI_PLAINTEXT
+    enum: ZMQ_HANDSHAKE_IVL
+    enum: ZMQ_SOCKS_PROXY
+    enum: ZMQ_XPUB_NODROP
+    enum: ZMQ_BLOCKY
+    enum: ZMQ_XPUB_MANUAL
+    enum: ZMQ_XPUB_WELCOME_MSG
+    enum: ZMQ_STREAM_NOTIFY
+    enum: ZMQ_INVERT_MATCHING
+    enum: ZMQ_HEARTBEAT_IVL
+    enum: ZMQ_HEARTBEAT_TTL
+    enum: ZMQ_HEARTBEAT_TIMEOUT
+    enum: ZMQ_XPUB_VERBOSER
+    enum: ZMQ_CONNECT_TIMEOUT
+    enum: ZMQ_TCP_MAXRT
+    enum: ZMQ_THREAD_SAFE
+    enum: ZMQ_MULTICAST_MAXTPDU
+    enum: ZMQ_VMCI_BUFFER_SIZE
+    enum: ZMQ_VMCI_BUFFER_MIN_SIZE
+    enum: ZMQ_VMCI_BUFFER_MAX_SIZE
+    enum: ZMQ_VMCI_CONNECT_TIMEOUT
+    enum: ZMQ_USE_FD
+    enum: ZMQ_GSSAPI_PRINCIPAL_NAMETYPE
+    enum: ZMQ_GSSAPI_SERVICE_PRINCIPAL_NAMETYPE
+    enum: ZMQ_BINDTODEVICE
+    enum: ZMQ_IDENTITY
+    enum: ZMQ_CONNECT_RID
+    enum: ZMQ_TCP_ACCEPT_FILTER
+    enum: ZMQ_IPC_FILTER_PID
+    enum: ZMQ_IPC_FILTER_UID
+    enum: ZMQ_IPC_FILTER_GID
+    enum: ZMQ_IPV4ONLY
+    enum: ZMQ_DELAY_ATTACH_ON_CONNECT
+    enum: ZMQ_FAIL_UNROUTABLE
+    enum: ZMQ_ROUTER_BEHAVIOR
+    enum: ZMQ_ZAP_ENFORCE_DOMAIN
+    enum: ZMQ_LOOPBACK_FASTPATH
+    enum: ZMQ_METADATA
+    enum: ZMQ_MULTICAST_LOOP
+    enum: ZMQ_ROUTER_NOTIFY
+    enum: ZMQ_XPUB_MANUAL_LAST_VALUE
+    enum: ZMQ_SOCKS_USERNAME
+    enum: ZMQ_SOCKS_PASSWORD
+    enum: ZMQ_IN_BATCH_SIZE
+    enum: ZMQ_OUT_BATCH_SIZE
+    enum: ZMQ_WSS_KEY_PEM
+    enum: ZMQ_WSS_CERT_PEM
+    enum: ZMQ_WSS_TRUST_PEM
+    enum: ZMQ_WSS_HOSTNAME
+    enum: ZMQ_WSS_TRUST_SYSTEM
+    enum: ZMQ_ONLY_FIRST_SUBSCRIBE
+    enum: ZMQ_RECONNECT_STOP
+    enum: ZMQ_HELLO_MSG
+    enum: ZMQ_DISCONNECT_MSG
+    enum: ZMQ_PRIORITY
+    enum: ZMQ_PAIR
+    enum: ZMQ_PUB
+    enum: ZMQ_SUB
+    enum: ZMQ_REQ
+    enum: ZMQ_REP
+    enum: ZMQ_DEALER
+    enum: ZMQ_ROUTER
+    enum: ZMQ_PULL
+    enum: ZMQ_PUSH
+    enum: ZMQ_XPUB
+    enum: ZMQ_XSUB
+    enum: ZMQ_STREAM
+    enum: ZMQ_XREQ
+    enum: ZMQ_XREP
+    enum: ZMQ_SERVER
+    enum: ZMQ_CLIENT
+    enum: ZMQ_RADIO
+    enum: ZMQ_DISH
+    enum: ZMQ_GATHER
+    enum: ZMQ_SCATTER
+    enum: ZMQ_DGRAM
+    enum: ZMQ_PEER
+    enum: ZMQ_CHANNEL

.venv/Lib/site-packages/zmq/backend/cython/context.pxd

@@ -0,0 +1,34 @@
+"""0MQ Context class declaration."""
+
+#
+#    Copyright (c) 2010-2011 Brian E. Granger & Min Ragan-Kelley
+#
+#    This file is part of pyzmq.
+#
+#    pyzmq is free software; you can redistribute it and/or modify it under
+#    the terms of the Lesser GNU General Public License as published by
+#    the Free Software Foundation; either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    pyzmq 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
+#    Lesser GNU General Public License for more details.
+#
+#    You should have received a copy of the Lesser GNU General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+#-----------------------------------------------------------------------------
+# Code
+#-----------------------------------------------------------------------------
+
+cdef class Context:
+
+    cdef object __weakref__     # enable weakref
+    cdef void *handle           # The C handle for the underlying zmq object.
+    cdef bint _shadow           # whether the Context is a shadow wrapper of another
+    cdef int _pid               # the pid of the process which created me (for fork safety)
+
+    cdef public bint closed   # bool property for a closed context.
+    cdef inline int _term(self)

.venv/Lib/site-packages/zmq/backend/cython/libzmq.pxd

@@ -0,0 +1,122 @@
+"""All the C imports for 0MQ"""
+
+#
+#    Copyright (c) 2010 Brian E. Granger & Min Ragan-Kelley
+#
+#    This file is part of pyzmq.
+#
+#    pyzmq is free software; you can redistribute it and/or modify it under
+#    the terms of the Lesser GNU General Public License as published by
+#    the Free Software Foundation; either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    pyzmq 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
+#    Lesser GNU General Public License for more details.
+#
+#    You should have received a copy of the Lesser GNU General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+#-----------------------------------------------------------------------------
+# Imports
+#-----------------------------------------------------------------------------
+
+#-----------------------------------------------------------------------------
+# Import the C header files
+#-----------------------------------------------------------------------------
+
+# common includes, such as zmq compat, pyversion_compat
+# make sure we load pyversion compat in every Cython module
+cdef extern from "pyversion_compat.h":
+    pass
+
+# were it not for Windows,
+# we could cimport these from libc.stdint
+cdef extern from "zmq_compat.h":
+    ctypedef signed long long int64_t "pyzmq_int64_t"
+    ctypedef unsigned int uint32_t "pyzmq_uint32_t"
+
+include "constant_enums.pxi"
+
+cdef extern from "zmq.h" nogil:
+
+    void _zmq_version "zmq_version"(int *major, int *minor, int *patch)
+    
+    ctypedef int fd_t "ZMQ_FD_T"
+    
+    enum: errno
+    const char *zmq_strerror (int errnum)
+    int zmq_errno()
+
+    void *zmq_ctx_new ()
+    int zmq_ctx_destroy (void *context)
+    int zmq_ctx_set (void *context, int option, int optval)
+    int zmq_ctx_get (void *context, int option)
+    void *zmq_init (int io_threads)
+    int zmq_term (void *context)
+    
+    # blackbox def for zmq_msg_t
+    ctypedef void * zmq_msg_t "zmq_msg_t"
+    
+    ctypedef void zmq_free_fn(void *data, void *hint)
+    
+    int zmq_msg_init (zmq_msg_t *msg)
+    int zmq_msg_init_size (zmq_msg_t *msg, size_t size)
+    int zmq_msg_init_data (zmq_msg_t *msg, void *data,
+        size_t size, zmq_free_fn *ffn, void *hint)
+    int zmq_msg_send (zmq_msg_t *msg, void *s, int flags)
+    int zmq_msg_recv (zmq_msg_t *msg, void *s, int flags)
+    int zmq_msg_close (zmq_msg_t *msg)
+    int zmq_msg_move (zmq_msg_t *dest, zmq_msg_t *src)
+    int zmq_msg_copy (zmq_msg_t *dest, zmq_msg_t *src)
+    void *zmq_msg_data (zmq_msg_t *msg)
+    size_t zmq_msg_size (zmq_msg_t *msg)
+    int zmq_msg_more (zmq_msg_t *msg)
+    int zmq_msg_get (zmq_msg_t *msg, int option)
+    int zmq_msg_set (zmq_msg_t *msg, int option, int optval)
+    const char *zmq_msg_gets (zmq_msg_t *msg, const char *property)
+    int zmq_has (const char *capability)
+
+    void *zmq_socket (void *context, int type)
+    int zmq_close (void *s)
+    int zmq_setsockopt (void *s, int option, void *optval, size_t optvallen)
+    int zmq_getsockopt (void *s, int option, void *optval, size_t *optvallen)
+    int zmq_bind (void *s, char *addr)
+    int zmq_connect (void *s, char *addr)
+    int zmq_unbind (void *s, char *addr)
+    int zmq_disconnect (void *s, char *addr)
+
+    int zmq_socket_monitor (void *s, char *addr, int flags)
+    
+    # send/recv
+    int zmq_sendbuf (void *s, const void *buf, size_t n, int flags)
+    int zmq_recvbuf (void *s, void *buf, size_t n, int flags)
+
+    ctypedef struct zmq_pollitem_t:
+        void *socket
+        fd_t fd
+        short events
+        short revents
+
+    int zmq_poll (zmq_pollitem_t *items, int nitems, long timeout)
+
+    int zmq_device (int device_, void *insocket_, void *outsocket_)
+    int zmq_proxy (void *frontend, void *backend, void *capture)
+    int zmq_proxy_steerable (void *frontend,
+                             void *backend,
+                             void *capture,
+                             void *control)
+
+    int zmq_curve_keypair (char *z85_public_key, char *z85_secret_key)
+    int zmq_curve_public (char *z85_public_key, char *z85_secret_key)
+
+    # 4.2 draft
+    int zmq_join (void *s, const char *group)
+    int zmq_leave (void *s, const char *group)
+
+    int zmq_msg_set_routing_id(zmq_msg_t *msg, uint32_t routing_id)
+    uint32_t zmq_msg_routing_id(zmq_msg_t *msg)
+    int zmq_msg_set_group(zmq_msg_t *msg, const char *group)
+    const char *zmq_msg_group(zmq_msg_t *msg)

.venv/Lib/site-packages/zmq/backend/cython/message.pxd

@@ -0,0 +1,61 @@
+"""0MQ Message related class declarations."""
+
+#
+#    Copyright (c) 2010-2011 Brian E. Granger & Min Ragan-Kelley
+#
+#    This file is part of pyzmq.
+#
+#    pyzmq is free software; you can redistribute it and/or modify it under
+#    the terms of the Lesser GNU General Public License as published by
+#    the Free Software Foundation; either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    pyzmq 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
+#    Lesser GNU General Public License for more details.
+#
+#    You should have received a copy of the Lesser GNU General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+#-----------------------------------------------------------------------------
+# Imports
+#-----------------------------------------------------------------------------
+
+from cpython cimport PyBytes_FromStringAndSize
+
+from zmq.backend.cython.libzmq cimport zmq_msg_data, zmq_msg_size, zmq_msg_t
+
+#-----------------------------------------------------------------------------
+# Code
+#-----------------------------------------------------------------------------
+
+cdef class MessageTracker(object):
+
+    cdef set events  # Message Event objects to track.
+    cdef set peers   # Other Message or MessageTracker objects.
+
+
+cdef class Frame:
+
+    cdef zmq_msg_t zmq_msg
+    cdef object _data      # The actual message data as a Python object.
+    cdef object _buffer    # A Python Buffer/View of the message contents
+    cdef object _bytes     # A bytes/str copy of the message.
+    cdef bint _failed_init # Flag to handle failed zmq_msg_init
+    cdef public object tracker_event  # Event for use with zmq_free_fn.
+    cdef public object tracker        # MessageTracker object.
+    cdef public bint more             # whether RCVMORE was set
+
+    cdef Frame fast_copy(self) # Create shallow copy of Message object.
+    cdef object _getbuffer(self) # Construct self._buffer.
+
+
+cdef inline object copy_zmq_msg_bytes(zmq_msg_t *zmq_msg):
+    """ Copy the data from a zmq_msg_t """
+    cdef char *data_c = NULL
+    cdef Py_ssize_t data_len_c
+    data_c = <char *>zmq_msg_data(zmq_msg)
+    data_len_c = zmq_msg_size(zmq_msg)
+    return PyBytes_FromStringAndSize(data_c, data_len_c)

.venv/Lib/site-packages/zmq/backend/cython/socket.pxd

@@ -0,0 +1,48 @@
+"""0MQ Socket class declaration."""
+
+#
+#    Copyright (c) 2010-2011 Brian E. Granger & Min Ragan-Kelley
+#
+#    This file is part of pyzmq.
+#
+#    pyzmq is free software; you can redistribute it and/or modify it under
+#    the terms of the Lesser GNU General Public License as published by
+#    the Free Software Foundation; either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    pyzmq 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
+#    Lesser GNU General Public License for more details.
+#
+#    You should have received a copy of the Lesser GNU General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+#-----------------------------------------------------------------------------
+# Imports
+#-----------------------------------------------------------------------------
+
+from .context cimport Context
+
+#-----------------------------------------------------------------------------
+# Code
+#-----------------------------------------------------------------------------
+
+
+cdef class Socket:
+
+    cdef object __weakref__     # enable weakref
+    cdef void *handle           # The C handle for the underlying zmq object.
+    cdef bint _shadow           # whether the Socket is a shadow wrapper of another
+    # Hold on to a reference to the context to make sure it is not garbage
+    # collected until the socket it done with it.
+    cdef public Context context # The zmq Context object that owns this.
+    cdef public bint _closed    # bool property for a closed socket.
+    cdef public int copy_threshold # threshold below which pyzmq will always copy messages
+    cdef int _pid               # the pid of the process which created me (for fork safety)
+    cdef void _c_close(self)    # underlying close of zmq socket
+
+    # cpdef methods for direct-cython access:
+    cpdef object send(self, object data, int flags=*, copy=*, track=*)
+    cpdef object recv(self, int flags=*, copy=*, track=*)