python-netfilterqueue/netfilterqueue.c

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#define __PYX_HAVE_API__netfilterqueue
#include "sys/types.h"
#include "netinet/ip.h"
#include "sys/time.h"
#include "netinet/in.h"
#include "libnfnetlink/linux_nfnetlink.h"
#include "libnetfilter_queue/linux_nfnetlink_queue.h"
#include "libnetfilter_queue/libnetfilter_queue.h"
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/*--- Type declarations ---*/
struct __pyx_obj_14netfilterqueue_Packet;
struct __pyx_obj_14netfilterqueue_NetfilterQueue;

/* "netfilterqueue.pxd":19
 * 
 * # Dummy defines from netinet/in.h:
 * cdef enum:             # <<<<<<<<<<<<<<
 *     IPPROTO_IP = 0        # Dummy protocol for TCP.
 *     IPPROTO_HOPOPTS = 0   # IPv6 Hop-by-Hop options.
 */
enum  {
  __pyx_e_14netfilterqueue_IPPROTO_IP = 0,
  __pyx_e_14netfilterqueue_IPPROTO_HOPOPTS = 0,
  __pyx_e_14netfilterqueue_IPPROTO_ICMP = 1,
  __pyx_e_14netfilterqueue_IPPROTO_IGMP = 2,
  __pyx_e_14netfilterqueue_IPPROTO_IPIP = 4,
  __pyx_e_14netfilterqueue_IPPROTO_TCP = 6,
  __pyx_e_14netfilterqueue_IPPROTO_EGP = 8,
  __pyx_e_14netfilterqueue_IPPROTO_PUP = 12,
  __pyx_e_14netfilterqueue_IPPROTO_UDP = 17,
  __pyx_e_14netfilterqueue_IPPROTO_IDP = 22,
  __pyx_e_14netfilterqueue_IPPROTO_TP = 29,
  __pyx_e_14netfilterqueue_IPPROTO_IPV6 = 41,
  __pyx_e_14netfilterqueue_IPPROTO_ROUTING = 43,
  __pyx_e_14netfilterqueue_IPPROTO_FRAGMENT = 44,
  __pyx_e_14netfilterqueue_IPPROTO_RSVP = 46,
  __pyx_e_14netfilterqueue_IPPROTO_GRE = 47,
  __pyx_e_14netfilterqueue_IPPROTO_ESP = 50,
  __pyx_e_14netfilterqueue_IPPROTO_AH = 51,
  __pyx_e_14netfilterqueue_IPPROTO_ICMPV6 = 58,
  __pyx_e_14netfilterqueue_IPPROTO_NONE = 59,
  __pyx_e_14netfilterqueue_IPPROTO_DSTOPTS = 60,
  __pyx_e_14netfilterqueue_IPPROTO_MTP = 92,
  __pyx_e_14netfilterqueue_IPPROTO_ENCAP = 98,
  __pyx_e_14netfilterqueue_IPPROTO_PIM = 103,
  __pyx_e_14netfilterqueue_IPPROTO_COMP = 108,
  __pyx_e_14netfilterqueue_IPPROTO_SCTP = 132,
  __pyx_e_14netfilterqueue_IPPROTO_RAW = 255,
  __pyx_e_14netfilterqueue_IPPROTO_MAX
};

/* "netfilterqueue.pxd":134
 * 
 * # Dummy defines from linux/socket.h:
 * cdef enum: #  Protocol families, same as address families.             # <<<<<<<<<<<<<<
 *     PF_INET = 2
 *     PF_INET6 = 10
 */
enum  {
  __pyx_e_14netfilterqueue_PF_INET = 2,
  __pyx_e_14netfilterqueue_PF_INET6 = 10
};

/* "netfilterqueue.pxd":142
 * 
 * # Dummy defines from linux/netfilter.h
 * cdef enum:             # <<<<<<<<<<<<<<
 *     NF_DROP
 *     NF_ACCEPT
 */
enum  {

  /* "netfilterqueue.pxd":149
 *     NF_REPEAT
 *     NF_STOP
 *     NF_MAX_VERDICT = NF_STOP             # <<<<<<<<<<<<<<
 * 
 * cdef class Packet:
 */
  __pyx_e_14netfilterqueue_NF_DROP,
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};

/* "netfilterqueue.pxd":151
 *     NF_MAX_VERDICT = NF_STOP
 * 
 * cdef class Packet:             # <<<<<<<<<<<<<<
 *     cdef nfq_q_handle *_qh
 *     cdef nfq_data *_nfa
 */
struct __pyx_obj_14netfilterqueue_Packet {
  PyObject_HEAD
  struct __pyx_vtabstruct_14netfilterqueue_Packet *__pyx_vtab;
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  struct nfqnl_msg_packet_hdr *_hdr;
  int _verdict_is_set;
  int _mark_is_set;
  u_int32_t _given_mark;
  unsigned char *_given_payload;
  u_int32_t id;
  u_int16_t hw_protocol;
  u_int8_t hook;
  Py_ssize_t payload_len;
  char *payload;
  struct timeval timestamp;
};


/* "netfilterqueue.pxd":186
 *     cpdef drop(self)
 * 
 * cdef class NetfilterQueue:             # <<<<<<<<<<<<<<
 *     cdef object user_callback # User callback
 *     cdef nfq_handle *h # Handle to NFQueue library
 */
struct __pyx_obj_14netfilterqueue_NetfilterQueue {
  PyObject_HEAD
  PyObject *user_callback;
  struct nfq_handle *h;
  struct nfq_q_handle *qh;
  u_int16_t af;
  PyObject *packet_copy_size;
};



/* "netfilterqueue.pyx":34
 *     return 1
 * 
 * cdef class Packet:             # <<<<<<<<<<<<<<
 *     """A packet received from QueueHandler."""
 *     def __cinit__(self):
 */

struct __pyx_vtabstruct_14netfilterqueue_Packet {
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  Py_ssize_t (*get_payload_len)(struct __pyx_obj_14netfilterqueue_Packet *, int __pyx_skip_dispatch);
  double (*get_timestamp)(struct __pyx_obj_14netfilterqueue_Packet *, int __pyx_skip_dispatch);
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static struct __pyx_vtabstruct_14netfilterqueue_Packet *__pyx_vtabptr_14netfilterqueue_Packet;

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static CYTHON_INLINE PyObject *__Pyx_PyInt_to_py_u_int16_t(u_int16_t);

static CYTHON_INLINE PyObject *__Pyx_PyInt_to_py_u_int8_t(u_int8_t);

static CYTHON_INLINE u_int32_t __Pyx_PyInt_from_py_u_int32_t(PyObject *);

static CYTHON_INLINE u_int16_t __Pyx_PyInt_from_py_u_int16_t(PyObject *);

static CYTHON_INLINE unsigned char __Pyx_PyInt_AsUnsignedChar(PyObject *);

static CYTHON_INLINE unsigned short __Pyx_PyInt_AsUnsignedShort(PyObject *);

static CYTHON_INLINE unsigned int __Pyx_PyInt_AsUnsignedInt(PyObject *);

static CYTHON_INLINE char __Pyx_PyInt_AsChar(PyObject *);

static CYTHON_INLINE short __Pyx_PyInt_AsShort(PyObject *);

static CYTHON_INLINE int __Pyx_PyInt_AsInt(PyObject *);

static CYTHON_INLINE signed char __Pyx_PyInt_AsSignedChar(PyObject *);

static CYTHON_INLINE signed short __Pyx_PyInt_AsSignedShort(PyObject *);

static CYTHON_INLINE signed int __Pyx_PyInt_AsSignedInt(PyObject *);

static CYTHON_INLINE int __Pyx_PyInt_AsLongDouble(PyObject *);

static CYTHON_INLINE unsigned long __Pyx_PyInt_AsUnsignedLong(PyObject *);

static CYTHON_INLINE unsigned PY_LONG_LONG __Pyx_PyInt_AsUnsignedLongLong(PyObject *);

static CYTHON_INLINE long __Pyx_PyInt_AsLong(PyObject *);

static CYTHON_INLINE PY_LONG_LONG __Pyx_PyInt_AsLongLong(PyObject *);

static CYTHON_INLINE signed long __Pyx_PyInt_AsSignedLong(PyObject *);

static CYTHON_INLINE signed PY_LONG_LONG __Pyx_PyInt_AsSignedLongLong(PyObject *);

static void __Pyx_WriteUnraisable(const char *name, int clineno,
                                  int lineno, const char *filename); /*proto*/

static CYTHON_INLINE u_int8_t __Pyx_PyInt_from_py_u_int8_t(PyObject *);

static int __Pyx_check_binary_version(void);

static int __Pyx_SetVtable(PyObject *dict, void *vtable); /*proto*/

static void __Pyx_AddTraceback(const char *funcname, int __pyx_clineno,
                               int __pyx_lineno, const char *__pyx_filename); /*proto*/

static int __Pyx_InitStrings(__Pyx_StringTabEntry *t); /*proto*/

/* Module declarations from 'netfilterqueue' */
static PyTypeObject *__pyx_ptype_14netfilterqueue_Packet = 0;
static PyTypeObject *__pyx_ptype_14netfilterqueue_NetfilterQueue = 0;
static int __pyx_f_14netfilterqueue_global_callback(struct nfq_q_handle *, struct nfgenmsg *, struct nfq_data *, void *); /*proto*/
#define __Pyx_MODULE_NAME "netfilterqueue"
int __pyx_module_is_main_netfilterqueue = 0;

/* Implementation of 'netfilterqueue' */
static PyObject *__pyx_builtin_OSError;
static PyObject *__pyx_builtin_RuntimeWarning;
static char __pyx_k_1[] = "Unknown protocol";
static char __pyx_k_2[] = "%s packet, %s bytes";
static char __pyx_k_3[] = "Failed to get payload of packet.";
static char __pyx_k_5[] = "Verdict already given for this packet.";
static char __pyx_k_7[] = "Failed to open NFQueue.";
static char __pyx_k_9[] = "Failed to bind family %s. Are you root?";
static char __pyx_k_12[] = "Failed to create queue %s.";
static char __pyx_k_13[] = "Failed to set packet copy mode.";
static char __pyx_k_15[] = "\nBind to a Linux netfilter queue. Send packets to a user-specified callback \nfunction.\n\nCopyright: (c) 2011 Kerkhoff Technologies Inc.\nLicense: GPL\n";
static char __pyx_k_17[] = "DEFAULT_MAX_QUEUELEN";
static char __pyx_k_18[] = "BBN-RCC-MON";
static char __pyx_k_19[] = "NVP-II";
static char __pyx_k_20[] = "DCN-MEAS";
static char __pyx_k_21[] = "XNS-IDP";
static char __pyx_k_22[] = "TRUNK-1";
static char __pyx_k_23[] = "TRUNK-2";
static char __pyx_k_24[] = "LEAF-1";
static char __pyx_k_25[] = "LEAF-2";
static char __pyx_k_26[] = "ISO-TP4";
static char __pyx_k_27[] = "MFE-NSP";
static char __pyx_k_28[] = "MERIT-INP";
static char __pyx_k_29[] = "IDPR-CMTP";
static char __pyx_k_30[] = "TP++";
static char __pyx_k_31[] = "IPv6-Route";
static char __pyx_k_32[] = "IPv6-Frag";
static char __pyx_k_33[] = "I-NLSP";
static char __pyx_k_34[] = "IPv6-ICMP";
static char __pyx_k_35[] = "IPv6-NoNxt";
static char __pyx_k_36[] = "IPv6-Opts";
static char __pyx_k_37[] = "any host internal protocol";
static char __pyx_k_38[] = "any local network";
static char __pyx_k_39[] = "SAT-EXPAK";
static char __pyx_k_40[] = "any distributed file system";
static char __pyx_k_41[] = "SAT-MON";
static char __pyx_k_42[] = "BR-SAT-MON";
static char __pyx_k_43[] = "SUN-ND";
static char __pyx_k_44[] = "WB-MON";
static char __pyx_k_45[] = "WB-EXPAK";
static char __pyx_k_46[] = "ISO-IP";
static char __pyx_k_47[] = "SECURE-VMTP";
static char __pyx_k_48[] = "NSFNET-IGP";
static char __pyx_k_49[] = "Sprite-RPC";
static char __pyx_k_50[] = "AX.25";
static char __pyx_k_51[] = "SCC-SP";
static char __pyx_k_52[] = "any private encryption scheme";
static char __pyx_k_53[] = "A/N";
static char __pyx_k_54[] = "Compaq-Peer";
static char __pyx_k_55[] = "IPX-in-IP";
static char __pyx_k_56[] = "any 0-hop protocol";
static char __pyx_k_57[] = "RSVP-E2E-IGNORE";
static char __pyx_k_58[] = "MPLS-in-IP";
static char __pyx_k__AH[] = "AH";
static char __pyx_k__FC[] = "FC";
static char __pyx_k__IL[] = "IL";
static char __pyx_k__IP[] = "IP";
static char __pyx_k__SM[] = "SM";
static char __pyx_k__ST[] = "ST";
static char __pyx_k__af[] = "af";
static char __pyx_k__3PC[] = "3PC";
static char __pyx_k__BNA[] = "BNA";
static char __pyx_k__CBT[] = "CBT";
static char __pyx_k__DDP[] = "DDP";
static char __pyx_k__DDX[] = "DDX";
static char __pyx_k__DGP[] = "DGP";
static char __pyx_k__DSR[] = "DSR";
static char __pyx_k__EGP[] = "EGP";
static char __pyx_k__ESP[] = "ESP";
static char __pyx_k__GGP[] = "GGP";
static char __pyx_k__GRE[] = "GRE";
static char __pyx_k__HIP[] = "HIP";
static char __pyx_k__HMP[] = "HMP";
static char __pyx_k__IGP[] = "IGP";
static char __pyx_k__MTP[] = "MTP";
static char __pyx_k__MUX[] = "MUX";
static char __pyx_k__PGM[] = "PGM";
static char __pyx_k__PIM[] = "PIM";
static char __pyx_k__PRM[] = "PRM";
static char __pyx_k__PTP[] = "PTP";
static char __pyx_k__PUP[] = "PUP";
static char __pyx_k__PVP[] = "PVP";
static char __pyx_k__QNX[] = "QNX";
static char __pyx_k__RDP[] = "RDP";
static char __pyx_k__RVD[] = "RVD";
static char __pyx_k__SMP[] = "SMP";
static char __pyx_k__SNP[] = "SNP";
static char __pyx_k__SPS[] = "SPS";
static char __pyx_k__SRP[] = "SRP";
static char __pyx_k__STP[] = "STP";
static char __pyx_k__TCF[] = "TCF";
static char __pyx_k__TCP[] = "TCP";
static char __pyx_k__TTP[] = "TTP";
static char __pyx_k__UDP[] = "UDP";
static char __pyx_k__UTI[] = "UTI";
static char __pyx_k__WSN[] = "WSN";
static char __pyx_k__XTP[] = "XTP";
static char __pyx_k__get[] = "get";
static char __pyx_k__ARIS[] = "ARIS";
static char __pyx_k__CFTP[] = "CFTP";
static char __pyx_k__CPHB[] = "CPHB";
static char __pyx_k__CPNX[] = "CPNX";
static char __pyx_k__CRTP[] = "CRTP";
static char __pyx_k__DCCP[] = "DCCP";
static char __pyx_k__FIRE[] = "FIRE";
static char __pyx_k__GMTP[] = "GMTP";
static char __pyx_k__IATP[] = "IATP";
static char __pyx_k__ICMP[] = "ICMP";
static char __pyx_k__IDPR[] = "IDPR";
static char __pyx_k__IDRP[] = "IDRP";
static char __pyx_k__IFMP[] = "IFMP";
static char __pyx_k__IGMP[] = "IGMP";
static char __pyx_k__IPCV[] = "IPCV";
static char __pyx_k__IPIP[] = "IPIP";
static char __pyx_k__IPLT[] = "IPLT";
static char __pyx_k__IPPC[] = "IPPC";
static char __pyx_k__IPv6[] = "IPv6";
static char __pyx_k__IRTP[] = "IRTP";
static char __pyx_k__ISIS[] = "ISIS";
static char __pyx_k__L2TP[] = "L2TP";
static char __pyx_k__LARP[] = "LARP";
static char __pyx_k__MICP[] = "MICP";
static char __pyx_k__NARP[] = "NARP";
static char __pyx_k__PIPE[] = "PIPE";
static char __pyx_k__PNNI[] = "PNNI";
static char __pyx_k__RSVP[] = "RSVP";
static char __pyx_k__SCPS[] = "SCPS";
static char __pyx_k__SCTP[] = "SCTP";
static char __pyx_k__SDRP[] = "SDRP";
static char __pyx_k__SKIP[] = "SKIP";
static char __pyx_k__TLSP[] = "TLSP";
static char __pyx_k__VISA[] = "VISA";
static char __pyx_k__VMTP[] = "VMTP";
static char __pyx_k__VRRP[] = "VRRP";
static char __pyx_k__XNET[] = "XNET";
static char __pyx_k__drop[] = "drop";
static char __pyx_k__mode[] = "mode";
static char __pyx_k__ARGUS[] = "ARGUS";
static char __pyx_k__CHAOS[] = "CHAOS";
static char __pyx_k__CRUDP[] = "CRUDP";
static char __pyx_k__EIGRP[] = "EIGRP";
static char __pyx_k__EMCON[] = "EMCON";
static char __pyx_k__ENCAP[] = "ENCAP";
static char __pyx_k__SWIPE[] = "SWIPE";
static char __pyx_k__Shim6[] = "Shim6";
static char __pyx_k__VINES[] = "VINES";
static char __pyx_k__manet[] = "manet";
static char __pyx_k__range[] = "range";
static char __pyx_k__HOPOPT[] = "HOPOPT";
static char __pyx_k__IPComp[] = "IPComp";
static char __pyx_k__MOBILE[] = "MOBILE";
static char __pyx_k__NETBLT[] = "NETBLT";
static char __pyx_k__accept[] = "accept";
static char __pyx_k__ETHERIP[] = "ETHERIP";
static char __pyx_k__OSError[] = "OSError";
static char __pyx_k__OSPFIGP[] = "OSPFIGP";
static char __pyx_k__UDPLite[] = "UDPLite";
static char __pyx_k__VERSION[] = "VERSION";
static char __pyx_k__max_len[] = "max_len";
static char __pyx_k__Mobility[] = "Mobility";
static char __pyx_k__Reserved[] = "Reserved";
static char __pyx_k__SSCOPMCE[] = "SSCOPMCE";
static char __pyx_k____main__[] = "__main__";
static char __pyx_k____test__[] = "__test__";
static char __pyx_k__set_mark[] = "set_mark";
static char __pyx_k__COPY_META[] = "COPY_META";
static char __pyx_k__COPY_NONE[] = "COPY_NONE";
static char __pyx_k__KRYPTOLAN[] = "KRYPTOLAN";
static char __pyx_k__PROTOCOLS[] = "PROTOCOLS";
static char __pyx_k__queue_num[] = "queue_num";
static char __pyx_k__COPY_PACKET[] = "COPY_PACKET";
static char __pyx_k__get_timestamp[] = "get_timestamp";
static char __pyx_k__user_callback[] = "user_callback";
static char __pyx_k__RuntimeWarning[] = "RuntimeWarning";
static char __pyx_k__get_payload_len[] = "get_payload_len";
static PyObject *__pyx_kp_s_1;
static PyObject *__pyx_kp_s_12;
static PyObject *__pyx_kp_s_13;
static PyObject *__pyx_n_s_17;
static PyObject *__pyx_kp_s_18;
static PyObject *__pyx_kp_s_19;
static PyObject *__pyx_kp_s_2;
static PyObject *__pyx_kp_s_20;
static PyObject *__pyx_kp_s_21;
static PyObject *__pyx_kp_s_22;
static PyObject *__pyx_kp_s_23;
static PyObject *__pyx_kp_s_24;
static PyObject *__pyx_kp_s_25;
static PyObject *__pyx_kp_s_26;
static PyObject *__pyx_kp_s_27;
static PyObject *__pyx_kp_s_28;
static PyObject *__pyx_kp_s_29;
static PyObject *__pyx_kp_s_3;
static PyObject *__pyx_kp_s_30;
static PyObject *__pyx_kp_s_31;
static PyObject *__pyx_kp_s_32;
static PyObject *__pyx_kp_s_33;
static PyObject *__pyx_kp_s_34;
static PyObject *__pyx_kp_s_35;
static PyObject *__pyx_kp_s_36;
static PyObject *__pyx_kp_s_37;
static PyObject *__pyx_kp_s_38;
static PyObject *__pyx_kp_s_39;
static PyObject *__pyx_kp_s_40;
static PyObject *__pyx_kp_s_41;
static PyObject *__pyx_kp_s_42;
static PyObject *__pyx_kp_s_43;
static PyObject *__pyx_kp_s_44;
static PyObject *__pyx_kp_s_45;
static PyObject *__pyx_kp_s_46;
static PyObject *__pyx_kp_s_47;
static PyObject *__pyx_kp_s_48;
static PyObject *__pyx_kp_s_49;
static PyObject *__pyx_kp_s_5;
static PyObject *__pyx_kp_s_50;
static PyObject *__pyx_kp_s_51;
static PyObject *__pyx_kp_s_52;
static PyObject *__pyx_kp_s_53;
static PyObject *__pyx_kp_s_54;
static PyObject *__pyx_kp_s_55;
static PyObject *__pyx_kp_s_56;
static PyObject *__pyx_kp_s_57;
static PyObject *__pyx_kp_s_58;
static PyObject *__pyx_kp_s_7;
static PyObject *__pyx_kp_s_9;
static PyObject *__pyx_kp_s__3PC;
static PyObject *__pyx_n_s__AH;
static PyObject *__pyx_n_s__ARGUS;
static PyObject *__pyx_n_s__ARIS;
static PyObject *__pyx_n_s__BNA;
static PyObject *__pyx_n_s__CBT;
static PyObject *__pyx_n_s__CFTP;
static PyObject *__pyx_n_s__CHAOS;
static PyObject *__pyx_n_s__COPY_META;
static PyObject *__pyx_n_s__COPY_NONE;
static PyObject *__pyx_n_s__COPY_PACKET;
static PyObject *__pyx_n_s__CPHB;
static PyObject *__pyx_n_s__CPNX;
static PyObject *__pyx_n_s__CRTP;
static PyObject *__pyx_n_s__CRUDP;
static PyObject *__pyx_n_s__DCCP;
static PyObject *__pyx_n_s__DDP;
static PyObject *__pyx_n_s__DDX;
static PyObject *__pyx_n_s__DGP;
static PyObject *__pyx_n_s__DSR;
static PyObject *__pyx_n_s__EGP;
static PyObject *__pyx_n_s__EIGRP;
static PyObject *__pyx_n_s__EMCON;
static PyObject *__pyx_n_s__ENCAP;
static PyObject *__pyx_n_s__ESP;
static PyObject *__pyx_n_s__ETHERIP;
static PyObject *__pyx_n_s__FC;
static PyObject *__pyx_n_s__FIRE;
static PyObject *__pyx_n_s__GGP;
static PyObject *__pyx_n_s__GMTP;
static PyObject *__pyx_n_s__GRE;
static PyObject *__pyx_n_s__HIP;
static PyObject *__pyx_n_s__HMP;
static PyObject *__pyx_n_s__HOPOPT;
static PyObject *__pyx_n_s__IATP;
static PyObject *__pyx_n_s__ICMP;
static PyObject *__pyx_n_s__IDPR;
static PyObject *__pyx_n_s__IDRP;
static PyObject *__pyx_n_s__IFMP;
static PyObject *__pyx_n_s__IGMP;
static PyObject *__pyx_n_s__IGP;
static PyObject *__pyx_n_s__IL;
static PyObject *__pyx_n_s__IP;
static PyObject *__pyx_n_s__IPCV;
static PyObject *__pyx_n_s__IPComp;
static PyObject *__pyx_n_s__IPIP;
static PyObject *__pyx_n_s__IPLT;
static PyObject *__pyx_n_s__IPPC;
static PyObject *__pyx_n_s__IPv6;
static PyObject *__pyx_n_s__IRTP;
static PyObject *__pyx_n_s__ISIS;
static PyObject *__pyx_n_s__KRYPTOLAN;
static PyObject *__pyx_n_s__L2TP;
static PyObject *__pyx_n_s__LARP;
static PyObject *__pyx_n_s__MICP;
static PyObject *__pyx_n_s__MOBILE;
static PyObject *__pyx_n_s__MTP;
static PyObject *__pyx_n_s__MUX;
static PyObject *__pyx_n_s__Mobility;
static PyObject *__pyx_n_s__NARP;
static PyObject *__pyx_n_s__NETBLT;
static PyObject *__pyx_n_s__OSError;
static PyObject *__pyx_n_s__OSPFIGP;
static PyObject *__pyx_n_s__PGM;
static PyObject *__pyx_n_s__PIM;
static PyObject *__pyx_n_s__PIPE;
static PyObject *__pyx_n_s__PNNI;
static PyObject *__pyx_n_s__PRM;
static PyObject *__pyx_n_s__PROTOCOLS;
static PyObject *__pyx_n_s__PTP;
static PyObject *__pyx_n_s__PUP;
static PyObject *__pyx_n_s__PVP;
static PyObject *__pyx_n_s__QNX;
static PyObject *__pyx_n_s__RDP;
static PyObject *__pyx_n_s__RSVP;
static PyObject *__pyx_n_s__RVD;
static PyObject *__pyx_n_s__Reserved;
static PyObject *__pyx_n_s__RuntimeWarning;
static PyObject *__pyx_n_s__SCPS;
static PyObject *__pyx_n_s__SCTP;
static PyObject *__pyx_n_s__SDRP;
static PyObject *__pyx_n_s__SKIP;
static PyObject *__pyx_n_s__SM;
static PyObject *__pyx_n_s__SMP;
static PyObject *__pyx_n_s__SNP;
static PyObject *__pyx_n_s__SPS;
static PyObject *__pyx_n_s__SRP;
static PyObject *__pyx_n_s__SSCOPMCE;
static PyObject *__pyx_n_s__ST;
static PyObject *__pyx_n_s__STP;
static PyObject *__pyx_n_s__SWIPE;
static PyObject *__pyx_n_s__Shim6;
static PyObject *__pyx_n_s__TCF;
static PyObject *__pyx_n_s__TCP;
static PyObject *__pyx_n_s__TLSP;
static PyObject *__pyx_n_s__TTP;
static PyObject *__pyx_n_s__UDP;
static PyObject *__pyx_n_s__UDPLite;
static PyObject *__pyx_n_s__UTI;
static PyObject *__pyx_n_s__VERSION;
static PyObject *__pyx_n_s__VINES;
static PyObject *__pyx_n_s__VISA;
static PyObject *__pyx_n_s__VMTP;
static PyObject *__pyx_n_s__VRRP;
static PyObject *__pyx_n_s__WSN;
static PyObject *__pyx_n_s__XNET;
static PyObject *__pyx_n_s__XTP;
static PyObject *__pyx_n_s____main__;
static PyObject *__pyx_n_s____test__;
static PyObject *__pyx_n_s__accept;
static PyObject *__pyx_n_s__af;
static PyObject *__pyx_n_s__drop;
static PyObject *__pyx_n_s__get;
static PyObject *__pyx_n_s__get_payload_len;
static PyObject *__pyx_n_s__get_timestamp;
static PyObject *__pyx_n_s__manet;
static PyObject *__pyx_n_s__max_len;
static PyObject *__pyx_n_s__mode;
static PyObject *__pyx_n_s__queue_num;
static PyObject *__pyx_n_s__range;
static PyObject *__pyx_n_s__set_mark;
static PyObject *__pyx_n_s__user_callback;
static PyObject *__pyx_int_0;
static PyObject *__pyx_int_1;
static PyObject *__pyx_int_2;
static PyObject *__pyx_int_3;
static PyObject *__pyx_int_4;
static PyObject *__pyx_int_5;
static PyObject *__pyx_int_6;
static PyObject *__pyx_int_7;
static PyObject *__pyx_int_8;
static PyObject *__pyx_int_9;
static PyObject *__pyx_int_10;
static PyObject *__pyx_int_11;
static PyObject *__pyx_int_12;
static PyObject *__pyx_int_13;
static PyObject *__pyx_int_14;
static PyObject *__pyx_int_15;
static PyObject *__pyx_int_16;
static PyObject *__pyx_int_17;
static PyObject *__pyx_int_18;
static PyObject *__pyx_int_19;
static PyObject *__pyx_int_20;
static PyObject *__pyx_int_21;
static PyObject *__pyx_int_22;
static PyObject *__pyx_int_23;
static PyObject *__pyx_int_24;
static PyObject *__pyx_int_25;
static PyObject *__pyx_int_26;
static PyObject *__pyx_int_27;
static PyObject *__pyx_int_28;
static PyObject *__pyx_int_29;
static PyObject *__pyx_int_30;
static PyObject *__pyx_int_31;
static PyObject *__pyx_int_32;
static PyObject *__pyx_int_33;
static PyObject *__pyx_int_34;
static PyObject *__pyx_int_35;
static PyObject *__pyx_int_36;
static PyObject *__pyx_int_37;
static PyObject *__pyx_int_38;
static PyObject *__pyx_int_39;
static PyObject *__pyx_int_40;
static PyObject *__pyx_int_41;
static PyObject *__pyx_int_42;
static PyObject *__pyx_int_43;
static PyObject *__pyx_int_44;
static PyObject *__pyx_int_45;
static PyObject *__pyx_int_46;
static PyObject *__pyx_int_47;
static PyObject *__pyx_int_48;
static PyObject *__pyx_int_49;
static PyObject *__pyx_int_50;
static PyObject *__pyx_int_51;
static PyObject *__pyx_int_52;
static PyObject *__pyx_int_53;
static PyObject *__pyx_int_54;
static PyObject *__pyx_int_55;
static PyObject *__pyx_int_56;
static PyObject *__pyx_int_57;
static PyObject *__pyx_int_58;
static PyObject *__pyx_int_59;
static PyObject *__pyx_int_60;
static PyObject *__pyx_int_61;
static PyObject *__pyx_int_62;
static PyObject *__pyx_int_63;
static PyObject *__pyx_int_64;
static PyObject *__pyx_int_65;
static PyObject *__pyx_int_66;
static PyObject *__pyx_int_67;
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static void __pyx_tp_dealloc_14netfilterqueue_Packet(PyObject *o) {
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}

static PyObject *__pyx_getprop_14netfilterqueue_6Packet_id(PyObject *o, void *x) {
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}

static PyObject *__pyx_getprop_14netfilterqueue_6Packet_hw_protocol(PyObject *o, void *x) {
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}

static PyObject *__pyx_getprop_14netfilterqueue_6Packet_hook(PyObject *o, void *x) {
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}

static PyObject *__pyx_getprop_14netfilterqueue_6Packet_payload(PyObject *o, void *x) {
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}

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static PyObject *__pyx_tp_new_14netfilterqueue_NetfilterQueue(PyTypeObject *t, PyObject *a, PyObject *k) {
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static int __pyx_tp_traverse_14netfilterqueue_NetfilterQueue(PyObject *o, visitproc v, void *a) {
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static int __pyx_tp_clear_14netfilterqueue_NetfilterQueue(PyObject *o) {
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#if PY_MAJOR_VERSION < 3
PyMODINIT_FUNC initnetfilterqueue(void); /*proto*/
PyMODINIT_FUNC initnetfilterqueue(void)
#else
PyMODINIT_FUNC PyInit_netfilterqueue(void); /*proto*/
PyMODINIT_FUNC PyInit_netfilterqueue(void)
#endif
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 * 
 *     def bind(self, int queue_num, object user_callback, u_int32_t max_len=DEFAULT_MAX_QUEUELEN,
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  /* "netfilterqueue.pyx":171
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static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname) {
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static PyObject *__Pyx_GetName(PyObject *dict, PyObject *name) {
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            result = PyObject_GetAttr(__pyx_b, name);
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        if (!result) {
            PyErr_SetObject(PyExc_NameError, name);
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static void __Pyx_RaiseArgtupleInvalid(
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{
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static CYTHON_INLINE int __Pyx_CheckKeywordStrings(
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        #if PY_MAJOR_VERSION < 3
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invalid_keyword_type:
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invalid_keyword:
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        "%s() got an unexpected keyword argument '%s'",
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#if PY_MAJOR_VERSION < 3
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
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    else if (tb != NULL && !PyTraceBack_Check(tb)) {
        PyErr_SetString(PyExc_TypeError,
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        goto raise_error;
    }
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        value = Py_None;
        Py_INCREF(value);
    }
    #if PY_VERSION_HEX < 0x02050000
    if (!PyClass_Check(type))
    #else
    if (!PyType_Check(type))
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    {
        /* Raising an instance.  The value should be a dummy. */
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            PyErr_SetString(PyExc_TypeError,
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            goto raise_error;
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        #if PY_VERSION_HEX < 0x02050000
            if (PyInstance_Check(type)) {
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            else {
                type = 0;
                PyErr_SetString(PyExc_TypeError,
                    "raise: exception must be an old-style class or instance");
                goto raise_error;
            }
        #else
            type = (PyObject*) Py_TYPE(type);
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            if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
                PyErr_SetString(PyExc_TypeError,
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                goto raise_error;
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    __Pyx_ErrRestore(type, value, tb);
    return;
raise_error:
    Py_XDECREF(value);
    Py_XDECREF(type);
    Py_XDECREF(tb);
    return;
}

#else /* Python 3+ */

static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
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        PyErr_SetString(PyExc_TypeError,
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    if (PyExceptionInstance_Check(type)) {
        if (value) {
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            goto bad;
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        PyErr_SetString(PyExc_TypeError,
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        goto bad;
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        PyObject *fixed_cause;
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            fixed_cause = PyObject_CallObject(cause, NULL);
            if (fixed_cause == NULL)
                goto bad;
        }
        else if (PyExceptionInstance_Check(cause)) {
            fixed_cause = cause;
            Py_INCREF(fixed_cause);
        }
        else {
            PyErr_SetString(PyExc_TypeError,
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                            "BaseException");
            goto bad;
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        if (!value) {
            value = PyObject_CallObject(type, NULL);
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        PyException_SetCause(value, fixed_cause);
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    PyErr_SetObject(type, value);

    if (tb) {
        PyThreadState *tstate = PyThreadState_GET();
        PyObject* tmp_tb = tstate->curexc_traceback;
        if (tb != tmp_tb) {
            Py_INCREF(tb);
            tstate->curexc_traceback = tb;
            Py_XDECREF(tmp_tb);
        }
    }

bad:
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static void __Pyx_RaiseDoubleKeywordsError(
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{
    PyErr_Format(PyExc_TypeError,
        #if PY_MAJOR_VERSION >= 3
        "%s() got multiple values for keyword argument '%U'", func_name, kw_name);
        #else
        "%s() got multiple values for keyword argument '%s'", func_name,
        PyString_AS_STRING(kw_name));
        #endif
}

static int __Pyx_ParseOptionalKeywords(
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    PyObject *kwds2,
    PyObject *values[],
    Py_ssize_t num_pos_args,
    const char* function_name)
{
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    PyObject*** name;
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    while (PyDict_Next(kwds, &pos, &key, &value)) {
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        while (*name && (**name != key)) name++;
        if (*name) {
            values[name-argnames] = value;
        } else {
            #if PY_MAJOR_VERSION < 3
            if (unlikely(!PyString_CheckExact(key)) && unlikely(!PyString_Check(key))) {
            #else
            if (unlikely(!PyUnicode_CheckExact(key)) && unlikely(!PyUnicode_Check(key))) {
            #endif
                goto invalid_keyword_type;
            } else {
                for (name = first_kw_arg; *name; name++) {
                    #if PY_MAJOR_VERSION >= 3
                    if (PyUnicode_GET_SIZE(**name) == PyUnicode_GET_SIZE(key) &&
                        PyUnicode_Compare(**name, key) == 0) break;
                    #else
                    if (PyString_GET_SIZE(**name) == PyString_GET_SIZE(key) &&
                        _PyString_Eq(**name, key)) break;
                    #endif
                }
                if (*name) {
                    values[name-argnames] = value;
                } else {
                    /* unexpected keyword found */
                    for (name=argnames; name != first_kw_arg; name++) {
                        if (**name == key) goto arg_passed_twice;
                        #if PY_MAJOR_VERSION >= 3
                        if (PyUnicode_GET_SIZE(**name) == PyUnicode_GET_SIZE(key) &&
                            PyUnicode_Compare(**name, key) == 0) goto arg_passed_twice;
                        #else
                        if (PyString_GET_SIZE(**name) == PyString_GET_SIZE(key) &&
                            _PyString_Eq(**name, key)) goto arg_passed_twice;
                        #endif
                    }
                    if (kwds2) {
                        if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
                    } else {
                        goto invalid_keyword;
                    }
                }
            }
        }
    }
    return 0;
arg_passed_twice:
    __Pyx_RaiseDoubleKeywordsError(function_name, **name);
    goto bad;
invalid_keyword_type:
    PyErr_Format(PyExc_TypeError,
        "%s() keywords must be strings", function_name);
    goto bad;
invalid_keyword:
    PyErr_Format(PyExc_TypeError,
    #if PY_MAJOR_VERSION < 3
        "%s() got an unexpected keyword argument '%s'",
        function_name, PyString_AsString(key));
    #else
        "%s() got an unexpected keyword argument '%U'",
        function_name, key);
    #endif
bad:
    return -1;
}

static CYTHON_INLINE PyObject *__Pyx_PyInt_to_py_u_int32_t(u_int32_t val) {
    const u_int32_t neg_one = (u_int32_t)-1, const_zero = (u_int32_t)0;
    const int is_unsigned = const_zero < neg_one;
    if ((sizeof(u_int32_t) == sizeof(char))  ||
        (sizeof(u_int32_t) == sizeof(short))) {
        return PyInt_FromLong((long)val);
    } else if ((sizeof(u_int32_t) == sizeof(int)) ||
               (sizeof(u_int32_t) == sizeof(long))) {
        if (is_unsigned)
            return PyLong_FromUnsignedLong((unsigned long)val);
        else
            return PyInt_FromLong((long)val);
    } else if (sizeof(u_int32_t) == sizeof(PY_LONG_LONG)) {
        if (is_unsigned)
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG)val);
        else
            return PyLong_FromLongLong((PY_LONG_LONG)val);
    } else {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&val;
        return _PyLong_FromByteArray(bytes, sizeof(u_int32_t),
                                     little, !is_unsigned);
    }
}

static CYTHON_INLINE PyObject *__Pyx_PyInt_to_py_u_int16_t(u_int16_t val) {
    const u_int16_t neg_one = (u_int16_t)-1, const_zero = (u_int16_t)0;
    const int is_unsigned = const_zero < neg_one;
    if ((sizeof(u_int16_t) == sizeof(char))  ||
        (sizeof(u_int16_t) == sizeof(short))) {
        return PyInt_FromLong((long)val);
    } else if ((sizeof(u_int16_t) == sizeof(int)) ||
               (sizeof(u_int16_t) == sizeof(long))) {
        if (is_unsigned)
            return PyLong_FromUnsignedLong((unsigned long)val);
        else
            return PyInt_FromLong((long)val);
    } else if (sizeof(u_int16_t) == sizeof(PY_LONG_LONG)) {
        if (is_unsigned)
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG)val);
        else
            return PyLong_FromLongLong((PY_LONG_LONG)val);
    } else {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&val;
        return _PyLong_FromByteArray(bytes, sizeof(u_int16_t),
                                     little, !is_unsigned);
    }
}

static CYTHON_INLINE PyObject *__Pyx_PyInt_to_py_u_int8_t(u_int8_t val) {
    const u_int8_t neg_one = (u_int8_t)-1, const_zero = (u_int8_t)0;
    const int is_unsigned = const_zero < neg_one;
    if ((sizeof(u_int8_t) == sizeof(char))  ||
        (sizeof(u_int8_t) == sizeof(short))) {
        return PyInt_FromLong((long)val);
    } else if ((sizeof(u_int8_t) == sizeof(int)) ||
               (sizeof(u_int8_t) == sizeof(long))) {
        if (is_unsigned)
            return PyLong_FromUnsignedLong((unsigned long)val);
        else
            return PyInt_FromLong((long)val);
    } else if (sizeof(u_int8_t) == sizeof(PY_LONG_LONG)) {
        if (is_unsigned)
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG)val);
        else
            return PyLong_FromLongLong((PY_LONG_LONG)val);
    } else {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&val;
        return _PyLong_FromByteArray(bytes, sizeof(u_int8_t),
                                     little, !is_unsigned);
    }
}

static CYTHON_INLINE u_int32_t __Pyx_PyInt_from_py_u_int32_t(PyObject* x) {
    const u_int32_t neg_one = (u_int32_t)-1, const_zero = (u_int32_t)0;
    const int is_unsigned = const_zero < neg_one;
    if (sizeof(u_int32_t) == sizeof(char)) {
        if (is_unsigned)
            return (u_int32_t)__Pyx_PyInt_AsUnsignedChar(x);
        else
            return (u_int32_t)__Pyx_PyInt_AsSignedChar(x);
    } else if (sizeof(u_int32_t) == sizeof(short)) {
        if (is_unsigned)
            return (u_int32_t)__Pyx_PyInt_AsUnsignedShort(x);
        else
            return (u_int32_t)__Pyx_PyInt_AsSignedShort(x);
    } else if (sizeof(u_int32_t) == sizeof(int)) {
        if (is_unsigned)
            return (u_int32_t)__Pyx_PyInt_AsUnsignedInt(x);
        else
            return (u_int32_t)__Pyx_PyInt_AsSignedInt(x);
    } else if (sizeof(u_int32_t) == sizeof(long)) {
        if (is_unsigned)
            return (u_int32_t)__Pyx_PyInt_AsUnsignedLong(x);
        else
            return (u_int32_t)__Pyx_PyInt_AsSignedLong(x);
    } else if (sizeof(u_int32_t) == sizeof(PY_LONG_LONG)) {
        if (is_unsigned)
            return (u_int32_t)__Pyx_PyInt_AsUnsignedLongLong(x);
        else
            return (u_int32_t)__Pyx_PyInt_AsSignedLongLong(x);
    }  else {
        u_int32_t val;
        PyObject *v = __Pyx_PyNumber_Int(x);
        #if PY_VERSION_HEX < 0x03000000
        if (likely(v) && !PyLong_Check(v)) {
            PyObject *tmp = v;
            v = PyNumber_Long(tmp);
            Py_DECREF(tmp);
        }
        #endif
        if (likely(v)) {
            int one = 1; int is_little = (int)*(unsigned char *)&one;
            unsigned char *bytes = (unsigned char *)&val;
            int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                          bytes, sizeof(val),
                                          is_little, !is_unsigned);
            Py_DECREF(v);
            if (likely(!ret))
                return val;
        }
        return (u_int32_t)-1;
    }
}

static CYTHON_INLINE u_int16_t __Pyx_PyInt_from_py_u_int16_t(PyObject* x) {
    const u_int16_t neg_one = (u_int16_t)-1, const_zero = (u_int16_t)0;
    const int is_unsigned = const_zero < neg_one;
    if (sizeof(u_int16_t) == sizeof(char)) {
        if (is_unsigned)
            return (u_int16_t)__Pyx_PyInt_AsUnsignedChar(x);
        else
            return (u_int16_t)__Pyx_PyInt_AsSignedChar(x);
    } else if (sizeof(u_int16_t) == sizeof(short)) {
        if (is_unsigned)
            return (u_int16_t)__Pyx_PyInt_AsUnsignedShort(x);
        else
            return (u_int16_t)__Pyx_PyInt_AsSignedShort(x);
    } else if (sizeof(u_int16_t) == sizeof(int)) {
        if (is_unsigned)
            return (u_int16_t)__Pyx_PyInt_AsUnsignedInt(x);
        else
            return (u_int16_t)__Pyx_PyInt_AsSignedInt(x);
    } else if (sizeof(u_int16_t) == sizeof(long)) {
        if (is_unsigned)
            return (u_int16_t)__Pyx_PyInt_AsUnsignedLong(x);
        else
            return (u_int16_t)__Pyx_PyInt_AsSignedLong(x);
    } else if (sizeof(u_int16_t) == sizeof(PY_LONG_LONG)) {
        if (is_unsigned)
            return (u_int16_t)__Pyx_PyInt_AsUnsignedLongLong(x);
        else
            return (u_int16_t)__Pyx_PyInt_AsSignedLongLong(x);
    }  else {
        u_int16_t val;
        PyObject *v = __Pyx_PyNumber_Int(x);
        #if PY_VERSION_HEX < 0x03000000
        if (likely(v) && !PyLong_Check(v)) {
            PyObject *tmp = v;
            v = PyNumber_Long(tmp);
            Py_DECREF(tmp);
        }
        #endif
        if (likely(v)) {
            int one = 1; int is_little = (int)*(unsigned char *)&one;
            unsigned char *bytes = (unsigned char *)&val;
            int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                          bytes, sizeof(val),
                                          is_little, !is_unsigned);
            Py_DECREF(v);
            if (likely(!ret))
                return val;
        }
        return (u_int16_t)-1;
    }
}

static CYTHON_INLINE unsigned char __Pyx_PyInt_AsUnsignedChar(PyObject* x) {
    const unsigned char neg_one = (unsigned char)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(unsigned char) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(unsigned char)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to unsigned char" :
                    "value too large to convert to unsigned char");
            }
            return (unsigned char)-1;
        }
        return (unsigned char)val;
    }
    return (unsigned char)__Pyx_PyInt_AsUnsignedLong(x);
}

static CYTHON_INLINE unsigned short __Pyx_PyInt_AsUnsignedShort(PyObject* x) {
    const unsigned short neg_one = (unsigned short)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(unsigned short) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(unsigned short)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to unsigned short" :
                    "value too large to convert to unsigned short");
            }
            return (unsigned short)-1;
        }
        return (unsigned short)val;
    }
    return (unsigned short)__Pyx_PyInt_AsUnsignedLong(x);
}

static CYTHON_INLINE unsigned int __Pyx_PyInt_AsUnsignedInt(PyObject* x) {
    const unsigned int neg_one = (unsigned int)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(unsigned int) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(unsigned int)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to unsigned int" :
                    "value too large to convert to unsigned int");
            }
            return (unsigned int)-1;
        }
        return (unsigned int)val;
    }
    return (unsigned int)__Pyx_PyInt_AsUnsignedLong(x);
}

static CYTHON_INLINE char __Pyx_PyInt_AsChar(PyObject* x) {
    const char neg_one = (char)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(char) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(char)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to char" :
                    "value too large to convert to char");
            }
            return (char)-1;
        }
        return (char)val;
    }
    return (char)__Pyx_PyInt_AsLong(x);
}

static CYTHON_INLINE short __Pyx_PyInt_AsShort(PyObject* x) {
    const short neg_one = (short)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(short) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(short)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to short" :
                    "value too large to convert to short");
            }
            return (short)-1;
        }
        return (short)val;
    }
    return (short)__Pyx_PyInt_AsLong(x);
}

static CYTHON_INLINE int __Pyx_PyInt_AsInt(PyObject* x) {
    const int neg_one = (int)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(int) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(int)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to int" :
                    "value too large to convert to int");
            }
            return (int)-1;
        }
        return (int)val;
    }
    return (int)__Pyx_PyInt_AsLong(x);
}

static CYTHON_INLINE signed char __Pyx_PyInt_AsSignedChar(PyObject* x) {
    const signed char neg_one = (signed char)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(signed char) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(signed char)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to signed char" :
                    "value too large to convert to signed char");
            }
            return (signed char)-1;
        }
        return (signed char)val;
    }
    return (signed char)__Pyx_PyInt_AsSignedLong(x);
}

static CYTHON_INLINE signed short __Pyx_PyInt_AsSignedShort(PyObject* x) {
    const signed short neg_one = (signed short)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(signed short) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(signed short)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to signed short" :
                    "value too large to convert to signed short");
            }
            return (signed short)-1;
        }
        return (signed short)val;
    }
    return (signed short)__Pyx_PyInt_AsSignedLong(x);
}

static CYTHON_INLINE signed int __Pyx_PyInt_AsSignedInt(PyObject* x) {
    const signed int neg_one = (signed int)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(signed int) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(signed int)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to signed int" :
                    "value too large to convert to signed int");
            }
            return (signed int)-1;
        }
        return (signed int)val;
    }
    return (signed int)__Pyx_PyInt_AsSignedLong(x);
}

static CYTHON_INLINE int __Pyx_PyInt_AsLongDouble(PyObject* x) {
    const int neg_one = (int)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(int) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(int)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to int" :
                    "value too large to convert to int");
            }
            return (int)-1;
        }
        return (int)val;
    }
    return (int)__Pyx_PyInt_AsLong(x);
}

static CYTHON_INLINE unsigned long __Pyx_PyInt_AsUnsignedLong(PyObject* x) {
    const unsigned long neg_one = (unsigned long)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_VERSION_HEX < 0x03000000
    if (likely(PyInt_Check(x))) {
        long val = PyInt_AS_LONG(x);
        if (is_unsigned && unlikely(val < 0)) {
            PyErr_SetString(PyExc_OverflowError,
                            "can't convert negative value to unsigned long");
            return (unsigned long)-1;
        }
        return (unsigned long)val;
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
            if (unlikely(Py_SIZE(x) < 0)) {
                PyErr_SetString(PyExc_OverflowError,
                                "can't convert negative value to unsigned long");
                return (unsigned long)-1;
            }
            return (unsigned long)PyLong_AsUnsignedLong(x);
        } else {
            return (unsigned long)PyLong_AsLong(x);
        }
    } else {
        unsigned long val;
        PyObject *tmp = __Pyx_PyNumber_Int(x);
        if (!tmp) return (unsigned long)-1;
        val = __Pyx_PyInt_AsUnsignedLong(tmp);
        Py_DECREF(tmp);
        return val;
    }
}

static CYTHON_INLINE unsigned PY_LONG_LONG __Pyx_PyInt_AsUnsignedLongLong(PyObject* x) {
    const unsigned PY_LONG_LONG neg_one = (unsigned PY_LONG_LONG)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_VERSION_HEX < 0x03000000
    if (likely(PyInt_Check(x))) {
        long val = PyInt_AS_LONG(x);
        if (is_unsigned && unlikely(val < 0)) {
            PyErr_SetString(PyExc_OverflowError,
                            "can't convert negative value to unsigned PY_LONG_LONG");
            return (unsigned PY_LONG_LONG)-1;
        }
        return (unsigned PY_LONG_LONG)val;
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
            if (unlikely(Py_SIZE(x) < 0)) {
                PyErr_SetString(PyExc_OverflowError,
                                "can't convert negative value to unsigned PY_LONG_LONG");
                return (unsigned PY_LONG_LONG)-1;
            }
            return (unsigned PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
        } else {
            return (unsigned PY_LONG_LONG)PyLong_AsLongLong(x);
        }
    } else {
        unsigned PY_LONG_LONG val;
        PyObject *tmp = __Pyx_PyNumber_Int(x);
        if (!tmp) return (unsigned PY_LONG_LONG)-1;
        val = __Pyx_PyInt_AsUnsignedLongLong(tmp);
        Py_DECREF(tmp);
        return val;
    }
}

static CYTHON_INLINE long __Pyx_PyInt_AsLong(PyObject* x) {
    const long neg_one = (long)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_VERSION_HEX < 0x03000000
    if (likely(PyInt_Check(x))) {
        long val = PyInt_AS_LONG(x);
        if (is_unsigned && unlikely(val < 0)) {
            PyErr_SetString(PyExc_OverflowError,
                            "can't convert negative value to long");
            return (long)-1;
        }
        return (long)val;
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
            if (unlikely(Py_SIZE(x) < 0)) {
                PyErr_SetString(PyExc_OverflowError,
                                "can't convert negative value to long");
                return (long)-1;
            }
            return (long)PyLong_AsUnsignedLong(x);
        } else {
            return (long)PyLong_AsLong(x);
        }
    } else {
        long val;
        PyObject *tmp = __Pyx_PyNumber_Int(x);
        if (!tmp) return (long)-1;
        val = __Pyx_PyInt_AsLong(tmp);
        Py_DECREF(tmp);
        return val;
    }
}

static CYTHON_INLINE PY_LONG_LONG __Pyx_PyInt_AsLongLong(PyObject* x) {
    const PY_LONG_LONG neg_one = (PY_LONG_LONG)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_VERSION_HEX < 0x03000000
    if (likely(PyInt_Check(x))) {
        long val = PyInt_AS_LONG(x);
        if (is_unsigned && unlikely(val < 0)) {
            PyErr_SetString(PyExc_OverflowError,
                            "can't convert negative value to PY_LONG_LONG");
            return (PY_LONG_LONG)-1;
        }
        return (PY_LONG_LONG)val;
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
            if (unlikely(Py_SIZE(x) < 0)) {
                PyErr_SetString(PyExc_OverflowError,
                                "can't convert negative value to PY_LONG_LONG");
                return (PY_LONG_LONG)-1;
            }
            return (PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
        } else {
            return (PY_LONG_LONG)PyLong_AsLongLong(x);
        }
    } else {
        PY_LONG_LONG val;
        PyObject *tmp = __Pyx_PyNumber_Int(x);
        if (!tmp) return (PY_LONG_LONG)-1;
        val = __Pyx_PyInt_AsLongLong(tmp);
        Py_DECREF(tmp);
        return val;
    }
}

static CYTHON_INLINE signed long __Pyx_PyInt_AsSignedLong(PyObject* x) {
    const signed long neg_one = (signed long)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_VERSION_HEX < 0x03000000
    if (likely(PyInt_Check(x))) {
        long val = PyInt_AS_LONG(x);
        if (is_unsigned && unlikely(val < 0)) {
            PyErr_SetString(PyExc_OverflowError,
                            "can't convert negative value to signed long");
            return (signed long)-1;
        }
        return (signed long)val;
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
            if (unlikely(Py_SIZE(x) < 0)) {
                PyErr_SetString(PyExc_OverflowError,
                                "can't convert negative value to signed long");
                return (signed long)-1;
            }
            return (signed long)PyLong_AsUnsignedLong(x);
        } else {
            return (signed long)PyLong_AsLong(x);
        }
    } else {
        signed long val;
        PyObject *tmp = __Pyx_PyNumber_Int(x);
        if (!tmp) return (signed long)-1;
        val = __Pyx_PyInt_AsSignedLong(tmp);
        Py_DECREF(tmp);
        return val;
    }
}

static CYTHON_INLINE signed PY_LONG_LONG __Pyx_PyInt_AsSignedLongLong(PyObject* x) {
    const signed PY_LONG_LONG neg_one = (signed PY_LONG_LONG)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_VERSION_HEX < 0x03000000
    if (likely(PyInt_Check(x))) {
        long val = PyInt_AS_LONG(x);
        if (is_unsigned && unlikely(val < 0)) {
            PyErr_SetString(PyExc_OverflowError,
                            "can't convert negative value to signed PY_LONG_LONG");
            return (signed PY_LONG_LONG)-1;
        }
        return (signed PY_LONG_LONG)val;
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
            if (unlikely(Py_SIZE(x) < 0)) {
                PyErr_SetString(PyExc_OverflowError,
                                "can't convert negative value to signed PY_LONG_LONG");
                return (signed PY_LONG_LONG)-1;
            }
            return (signed PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
        } else {
            return (signed PY_LONG_LONG)PyLong_AsLongLong(x);
        }
    } else {
        signed PY_LONG_LONG val;
        PyObject *tmp = __Pyx_PyNumber_Int(x);
        if (!tmp) return (signed PY_LONG_LONG)-1;
        val = __Pyx_PyInt_AsSignedLongLong(tmp);
        Py_DECREF(tmp);
        return val;
    }
}

static void __Pyx_WriteUnraisable(const char *name, int clineno,
                                  int lineno, const char *filename) {
    PyObject *old_exc, *old_val, *old_tb;
    PyObject *ctx;
    __Pyx_ErrFetch(&old_exc, &old_val, &old_tb);
    #if PY_MAJOR_VERSION < 3
    ctx = PyString_FromString(name);
    #else
    ctx = PyUnicode_FromString(name);
    #endif
    __Pyx_ErrRestore(old_exc, old_val, old_tb);
    if (!ctx) {
        PyErr_WriteUnraisable(Py_None);
    } else {
        PyErr_WriteUnraisable(ctx);
        Py_DECREF(ctx);
    }
}

static CYTHON_INLINE u_int8_t __Pyx_PyInt_from_py_u_int8_t(PyObject* x) {
    const u_int8_t neg_one = (u_int8_t)-1, const_zero = (u_int8_t)0;
    const int is_unsigned = const_zero < neg_one;
    if (sizeof(u_int8_t) == sizeof(char)) {
        if (is_unsigned)
            return (u_int8_t)__Pyx_PyInt_AsUnsignedChar(x);
        else
            return (u_int8_t)__Pyx_PyInt_AsSignedChar(x);
    } else if (sizeof(u_int8_t) == sizeof(short)) {
        if (is_unsigned)
            return (u_int8_t)__Pyx_PyInt_AsUnsignedShort(x);
        else
            return (u_int8_t)__Pyx_PyInt_AsSignedShort(x);
    } else if (sizeof(u_int8_t) == sizeof(int)) {
        if (is_unsigned)
            return (u_int8_t)__Pyx_PyInt_AsUnsignedInt(x);
        else
            return (u_int8_t)__Pyx_PyInt_AsSignedInt(x);
    } else if (sizeof(u_int8_t) == sizeof(long)) {
        if (is_unsigned)
            return (u_int8_t)__Pyx_PyInt_AsUnsignedLong(x);
        else
            return (u_int8_t)__Pyx_PyInt_AsSignedLong(x);
    } else if (sizeof(u_int8_t) == sizeof(PY_LONG_LONG)) {
        if (is_unsigned)
            return (u_int8_t)__Pyx_PyInt_AsUnsignedLongLong(x);
        else
            return (u_int8_t)__Pyx_PyInt_AsSignedLongLong(x);
    }  else {
        u_int8_t val;
        PyObject *v = __Pyx_PyNumber_Int(x);
        #if PY_VERSION_HEX < 0x03000000
        if (likely(v) && !PyLong_Check(v)) {
            PyObject *tmp = v;
            v = PyNumber_Long(tmp);
            Py_DECREF(tmp);
        }
        #endif
        if (likely(v)) {
            int one = 1; int is_little = (int)*(unsigned char *)&one;
            unsigned char *bytes = (unsigned char *)&val;
            int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                          bytes, sizeof(val),
                                          is_little, !is_unsigned);
            Py_DECREF(v);
            if (likely(!ret))
                return val;
        }
        return (u_int8_t)-1;
    }
}

static int __Pyx_check_binary_version(void) {
    char ctversion[4], rtversion[4];
    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
        char message[200];
        PyOS_snprintf(message, sizeof(message),
                      "compiletime version %s of module '%.100s' "
                      "does not match runtime version %s",
                      ctversion, __Pyx_MODULE_NAME, rtversion);
        #if PY_VERSION_HEX < 0x02050000
        return PyErr_Warn(NULL, message);
        #else
        return PyErr_WarnEx(NULL, message, 1);
        #endif
    }
    return 0;
}

static int __Pyx_SetVtable(PyObject *dict, void *vtable) {
#if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION==3&&PY_MINOR_VERSION==0)
    PyObject *ob = PyCapsule_New(vtable, 0, 0);
#else
    PyObject *ob = PyCObject_FromVoidPtr(vtable, 0);
#endif
    if (!ob)
        goto bad;
    if (PyDict_SetItemString(dict, "__pyx_vtable__", ob) < 0)
        goto bad;
    Py_DECREF(ob);
    return 0;
bad:
    Py_XDECREF(ob);
    return -1;
}

#include "compile.h"
#include "frameobject.h"
#include "traceback.h"

static void __Pyx_AddTraceback(const char *funcname, int __pyx_clineno,
                               int __pyx_lineno, const char *__pyx_filename) {
    PyObject *py_srcfile = 0;
    PyObject *py_funcname = 0;
    PyObject *py_globals = 0;
    PyCodeObject *py_code = 0;
    PyFrameObject *py_frame = 0;

    #if PY_MAJOR_VERSION < 3
    py_srcfile = PyString_FromString(__pyx_filename);
    #else
    py_srcfile = PyUnicode_FromString(__pyx_filename);
    #endif
    if (!py_srcfile) goto bad;
    if (__pyx_clineno) {
        #if PY_MAJOR_VERSION < 3
        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, __pyx_clineno);
        #else
        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, __pyx_clineno);
        #endif
    }
    else {
        #if PY_MAJOR_VERSION < 3
        py_funcname = PyString_FromString(funcname);
        #else
        py_funcname = PyUnicode_FromString(funcname);
        #endif
    }
    if (!py_funcname) goto bad;
    py_globals = PyModule_GetDict(__pyx_m);
    if (!py_globals) goto bad;
    py_code = PyCode_New(
        0,            /*int argcount,*/
        #if PY_MAJOR_VERSION >= 3
        0,            /*int kwonlyargcount,*/
        #endif
        0,            /*int nlocals,*/
        0,            /*int stacksize,*/
        0,            /*int flags,*/
        __pyx_empty_bytes, /*PyObject *code,*/
        __pyx_empty_tuple,  /*PyObject *consts,*/
        __pyx_empty_tuple,  /*PyObject *names,*/
        __pyx_empty_tuple,  /*PyObject *varnames,*/
        __pyx_empty_tuple,  /*PyObject *freevars,*/
        __pyx_empty_tuple,  /*PyObject *cellvars,*/
        py_srcfile,   /*PyObject *filename,*/
        py_funcname,  /*PyObject *name,*/
        __pyx_lineno,   /*int firstlineno,*/
        __pyx_empty_bytes  /*PyObject *lnotab*/
    );
    if (!py_code) goto bad;
    py_frame = PyFrame_New(
        PyThreadState_GET(), /*PyThreadState *tstate,*/
        py_code,             /*PyCodeObject *code,*/
        py_globals,          /*PyObject *globals,*/
        0                    /*PyObject *locals*/
    );
    if (!py_frame) goto bad;
    py_frame->f_lineno = __pyx_lineno;
    PyTraceBack_Here(py_frame);
bad:
    Py_XDECREF(py_srcfile);
    Py_XDECREF(py_funcname);
    Py_XDECREF(py_code);
    Py_XDECREF(py_frame);
}

static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
    while (t->p) {
        #if PY_MAJOR_VERSION < 3
        if (t->is_unicode) {
            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
        } else if (t->intern) {
            *t->p = PyString_InternFromString(t->s);
        } else {
            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
        }
        #else  /* Python 3+ has unicode identifiers */
        if (t->is_unicode | t->is_str) {
            if (t->intern) {
                *t->p = PyUnicode_InternFromString(t->s);
            } else if (t->encoding) {
                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
            } else {
                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
            }
        } else {
            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
        }
        #endif
        if (!*t->p)
            return -1;
        ++t;
    }
    return 0;
}

/* Type Conversion Functions */

static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
   int is_true = x == Py_True;
   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
   else return PyObject_IsTrue(x);
}

static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x) {
  PyNumberMethods *m;
  const char *name = NULL;
  PyObject *res = NULL;
#if PY_VERSION_HEX < 0x03000000
  if (PyInt_Check(x) || PyLong_Check(x))
#else
  if (PyLong_Check(x))
#endif
    return Py_INCREF(x), x;
  m = Py_TYPE(x)->tp_as_number;
#if PY_VERSION_HEX < 0x03000000
  if (m && m->nb_int) {
    name = "int";
    res = PyNumber_Int(x);
  }
  else if (m && m->nb_long) {
    name = "long";
    res = PyNumber_Long(x);
  }
#else
  if (m && m->nb_int) {
    name = "int";
    res = PyNumber_Long(x);
  }
#endif
  if (res) {
#if PY_VERSION_HEX < 0x03000000
    if (!PyInt_Check(res) && !PyLong_Check(res)) {
#else
    if (!PyLong_Check(res)) {
#endif
      PyErr_Format(PyExc_TypeError,
                   "__%s__ returned non-%s (type %.200s)",
                   name, name, Py_TYPE(res)->tp_name);
      Py_DECREF(res);
      return NULL;
    }
  }
  else if (!PyErr_Occurred()) {
    PyErr_SetString(PyExc_TypeError,
                    "an integer is required");
  }
  return res;
}

static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
  Py_ssize_t ival;
  PyObject* x = PyNumber_Index(b);
  if (!x) return -1;
  ival = PyInt_AsSsize_t(x);
  Py_DECREF(x);
  return ival;
}

static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
#if PY_VERSION_HEX < 0x02050000
   if (ival <= LONG_MAX)
       return PyInt_FromLong((long)ival);
   else {
       unsigned char *bytes = (unsigned char *) &ival;
       int one = 1; int little = (int)*(unsigned char*)&one;
       return _PyLong_FromByteArray(bytes, sizeof(size_t), little, 0);
   }
#else
   return PyInt_FromSize_t(ival);
#endif
}

static CYTHON_INLINE size_t __Pyx_PyInt_AsSize_t(PyObject* x) {
   unsigned PY_LONG_LONG val = __Pyx_PyInt_AsUnsignedLongLong(x);
   if (unlikely(val == (unsigned PY_LONG_LONG)-1 && PyErr_Occurred())) {
       return (size_t)-1;
   } else if (unlikely(val != (unsigned PY_LONG_LONG)(size_t)val)) {
       PyErr_SetString(PyExc_OverflowError,
                       "value too large to convert to size_t");
       return (size_t)-1;
   }
   return (size_t)val;
}


#endif /* Py_PYTHON_H */