oremanj/python-netfilterqueue

Installation Error - Tried everything i could find, but still not working.

taapeshverma opened this issue · 3 comments

Running command git clone -q https://github.com/kti/python-netfilterqueue /tmp/pip-req-build-rfth476y
Building wheels for collected packages: NetfilterQueue
Building wheel for NetfilterQueue (setup.py) ... error
ERROR: Command errored out with exit status 1:
command: /usr/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-req-build-rfth476y/setup.py'"'"'; file='"'"'/tmp/pip-req-build-rfth476y/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(file);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, file, '"'"'exec'"'"'))' bdist_wheel -d /tmp/pip-wheel-5q12bsgo
cwd: /tmp/pip-req-build-rfth476y/
Complete output (143 lines):
running bdist_wheel
running build
running build_ext
skipping 'netfilterqueue.c' Cython extension (up-to-date)
building 'netfilterqueue' extension
creating build
creating build/temp.linux-x86_64-3.9
x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -ffile-prefix-map=/build/python3.9-euU3fN/python3.9-3.9.1=. -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -ffile-prefix-map=/build/python3.9-euU3fN/python3.9-3.9.1=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.9 -c netfilterqueue.c -o build/temp.linux-x86_64-3.9/netfilterqueue.o
netfilterqueue.c: In function ‘__pyx_f_14netfilterqueue_6Packet_set_nfq_data’:
netfilterqueue.c:2150:68: warning: passing argument 2 of ‘nfq_get_payload’ from incompatible pointer type [-Wincompatible-pointer-types]
2150 | __pyx_v_self->payload_len = nfq_get_payload(__pyx_v_self->_nfa, (&__pyx_v_self->payload));
| ~^~~~~~~~~~~~~~~~~~~~~~~
| |
| char **
In file included from netfilterqueue.c:440:
/usr/include/libnetfilter_queue/libnetfilter_queue.h:123:67: note: expected ‘unsigned char **’ but argument is of type ‘char **’
123 | extern int nfq_get_payload(struct nfq_data *nfad, unsigned char **data);
| ~~~~~~~~~~~~~~~~^~~~
netfilterqueue.c: In function ‘__pyx_pf_14netfilterqueue_6Packet_4get_hw’:
netfilterqueue.c:2533:17: warning: implicit declaration of function ‘PyString_FromStringAndSize’; did you mean ‘PyBytes_FromStringAndSize’? [-Wimplicit-function-declaration]
2533 | __pyx_t_3 = PyString_FromStringAndSize(((char *)__pyx_v_self->hw_addr), 8); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 111, __pyx_L1_error)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
| PyBytes_FromStringAndSize
netfilterqueue.c:2533:15: warning: assignment to ‘PyObject *’ {aka ‘struct _object *’} from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
2533 | __pyx_t_3 = PyString_FromStringAndSize(((char *)__pyx_v_self->hw_addr), 8); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 111, __pyx_L1_error)
| ^
netfilterqueue.c: In function ‘PyInit_netfilterqueue’:
netfilterqueue.c:6111:37: error: ‘PyTypeObject’ {aka ‘struct _typeobject’} has no member named ‘tp_print’
6111 | __pyx_type_14netfilterqueue_Packet.tp_print = 0;
| ^
netfilterqueue.c:6116:45: error: ‘PyTypeObject’ {aka ‘struct _typeobject’} has no member named ‘tp_print’
6116 | __pyx_type_14netfilterqueue_NetfilterQueue.tp_print = 0;
| ^
netfilterqueue.c: In function ‘__Pyx_ParseOptionalKeywords’:
netfilterqueue.c:7076:21: warning: ‘_PyUnicode_get_wstr_length’ is deprecated [-Wdeprecated-declarations]
7076 | (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:97,
from netfilterqueue.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:446:26: note: declared here
446 | static inline Py_ssize_t _PyUnicode_get_wstr_length(PyObject *op) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
netfilterqueue.c:7076:21: warning: ‘PyUnicode_AsUnicode’ is deprecated [-Wdeprecated-declarations]
7076 | (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:97,
from netfilterqueue.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:580:45: note: declared here
580 | Py_DEPRECATED(3.3) PyAPI_FUNC(Py_UNICODE *) PyUnicode_AsUnicode(
| ^~~~~~~~~~~~~~~~~~~
netfilterqueue.c:7076:21: warning: ‘_PyUnicode_get_wstr_length’ is deprecated [-Wdeprecated-declarations]
7076 | (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:97,
from netfilterqueue.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:446:26: note: declared here
446 | static inline Py_ssize_t _PyUnicode_get_wstr_length(PyObject *op) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
netfilterqueue.c:7076:21: warning: ‘_PyUnicode_get_wstr_length’ is deprecated [-Wdeprecated-declarations]
7076 | (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:97,
from netfilterqueue.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:446:26: note: declared here
446 | static inline Py_ssize_t _PyUnicode_get_wstr_length(PyObject *op) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
netfilterqueue.c:7076:21: warning: ‘PyUnicode_AsUnicode’ is deprecated [-Wdeprecated-declarations]
7076 | (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:97,
from netfilterqueue.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:580:45: note: declared here
580 | Py_DEPRECATED(3.3) PyAPI_FUNC(Py_UNICODE *) PyUnicode_AsUnicode(
| ^~~~~~~~~~~~~~~~~~~
netfilterqueue.c:7076:21: warning: ‘_PyUnicode_get_wstr_length’ is deprecated [-Wdeprecated-declarations]
7076 | (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:97,
from netfilterqueue.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:446:26: note: declared here
446 | static inline Py_ssize_t _PyUnicode_get_wstr_length(PyObject *op) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
netfilterqueue.c:7092:25: warning: ‘_PyUnicode_get_wstr_length’ is deprecated [-Wdeprecated-declarations]
7092 | (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:97,
from netfilterqueue.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:446:26: note: declared here
446 | static inline Py_ssize_t _PyUnicode_get_wstr_length(PyObject *op) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
netfilterqueue.c:7092:25: warning: ‘PyUnicode_AsUnicode’ is deprecated [-Wdeprecated-declarations]
7092 | (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:97,
from netfilterqueue.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:580:45: note: declared here
580 | Py_DEPRECATED(3.3) PyAPI_FUNC(Py_UNICODE *) PyUnicode_AsUnicode(
| ^~~~~~~~~~~~~~~~~~~
netfilterqueue.c:7092:25: warning: ‘_PyUnicode_get_wstr_length’ is deprecated [-Wdeprecated-declarations]
7092 | (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:97,
from netfilterqueue.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:446:26: note: declared here
446 | static inline Py_ssize_t _PyUnicode_get_wstr_length(PyObject *op) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
netfilterqueue.c:7092:25: warning: ‘_PyUnicode_get_wstr_length’ is deprecated [-Wdeprecated-declarations]
7092 | (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:97,
from netfilterqueue.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:446:26: note: declared here
446 | static inline Py_ssize_t _PyUnicode_get_wstr_length(PyObject *op) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
netfilterqueue.c:7092:25: warning: ‘PyUnicode_AsUnicode’ is deprecated [-Wdeprecated-declarations]
7092 | (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:97,
from netfilterqueue.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:580:45: note: declared here
580 | Py_DEPRECATED(3.3) PyAPI_FUNC(Py_UNICODE *) PyUnicode_AsUnicode(
| ^~~~~~~~~~~~~~~~~~~
netfilterqueue.c:7092:25: warning: ‘_PyUnicode_get_wstr_length’ is deprecated [-Wdeprecated-declarations]
7092 | (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:97,
from netfilterqueue.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:446:26: note: declared here
446 | static inline Py_ssize_t _PyUnicode_get_wstr_length(PyObject *op) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
error: command '/usr/bin/x86_64-linux-gnu-gcc' failed with exit code 1

ERROR: Failed building wheel for NetfilterQueue
Running setup.py clean for NetfilterQueue
Failed to build NetfilterQueue
Installing collected packages: NetfilterQueue
Running setup.py install for NetfilterQueue ... error
ERROR: Command errored out with exit status 1:
command: /usr/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-req-build-rfth476y/setup.py'"'"'; file='"'"'/tmp/pip-req-build-rfth476y/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(file);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, file, '"'"'exec'"'"'))' install --record /tmp/pip-record-e7ci4vqx/install-record.txt --single-version-externally-managed --compile --install-headers /usr/local/include/python3.9/NetfilterQueue
cwd: /tmp/pip-req-build-rfth476y/
Complete output (143 lines):
running install
running build
running build_ext
skipping 'netfilterqueue.c' Cython extension (up-to-date)
building 'netfilterqueue' extension
creating build
creating build/temp.linux-x86_64-3.9
x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -ffile-prefix-map=/build/python3.9-euU3fN/python3.9-3.9.1=. -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -ffile-prefix-map=/build/python3.9-euU3fN/python3.9-3.9.1=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.9 -c netfilterqueue.c -o build/temp.linux-x86_64-3.9/netfilterqueue.o
netfilterqueue.c: In function ‘__pyx_f_14netfilterqueue_6Packet_set_nfq_data’:
netfilterqueue.c:2150:68: warning: passing argument 2 of ‘nfq_get_payload’ from incompatible pointer type [-Wincompatible-pointer-types]
2150 | __pyx_v_self->payload_len = nfq_get_payload(__pyx_v_self->_nfa, (&__pyx_v_self->payload));
| ~^~~~~~~~~~~~~~~~~~~~~~~
| |
| char **
In file included from netfilterqueue.c:440:
/usr/include/libnetfilter_queue/libnetfilter_queue.h:123:67: note: expected ‘unsigned char **’ but argument is of type ‘char **’
123 | extern int nfq_get_payload(struct nfq_data *nfad, unsigned char **data);
| ~~~~~~~~~~~~~~~~^~~~
netfilterqueue.c: In function ‘__pyx_pf_14netfilterqueue_6Packet_4get_hw’:
netfilterqueue.c:2533:17: warning: implicit declaration of function ‘PyString_FromStringAndSize’; did you mean ‘PyBytes_FromStringAndSize’? [-Wimplicit-function-declaration]
2533 | __pyx_t_3 = PyString_FromStringAndSize(((char *)__pyx_v_self->hw_addr), 8); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 111, __pyx_L1_error)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
| PyBytes_FromStringAndSize
netfilterqueue.c:2533:15: warning: assignment to ‘PyObject *’ {aka ‘struct _object *’} from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
2533 | __pyx_t_3 = PyString_FromStringAndSize(((char *)__pyx_v_self->hw_addr), 8); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 111, __pyx_L1_error)
| ^
netfilterqueue.c: In function ‘PyInit_netfilterqueue’:
netfilterqueue.c:6111:37: error: ‘PyTypeObject’ {aka ‘struct _typeobject’} has no member named ‘tp_print’
6111 | __pyx_type_14netfilterqueue_Packet.tp_print = 0;
| ^
netfilterqueue.c:6116:45: error: ‘PyTypeObject’ {aka ‘struct _typeobject’} has no member named ‘tp_print’
6116 | __pyx_type_14netfilterqueue_NetfilterQueue.tp_print = 0;
| ^
netfilterqueue.c: In function ‘__Pyx_ParseOptionalKeywords’:
netfilterqueue.c:7076:21: warning: ‘_PyUnicode_get_wstr_length’ is deprecated [-Wdeprecated-declarations]
7076 | (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:97,
from netfilterqueue.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:446:26: note: declared here
446 | static inline Py_ssize_t _PyUnicode_get_wstr_length(PyObject *op) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
netfilterqueue.c:7076:21: warning: ‘PyUnicode_AsUnicode’ is deprecated [-Wdeprecated-declarations]
7076 | (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:97,
from netfilterqueue.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:580:45: note: declared here
580 | Py_DEPRECATED(3.3) PyAPI_FUNC(Py_UNICODE *) PyUnicode_AsUnicode(
| ^~~~~~~~~~~~~~~~~~~
netfilterqueue.c:7076:21: warning: ‘_PyUnicode_get_wstr_length’ is deprecated [-Wdeprecated-declarations]
7076 | (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:97,
from netfilterqueue.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:446:26: note: declared here
446 | static inline Py_ssize_t _PyUnicode_get_wstr_length(PyObject *op) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
netfilterqueue.c:7076:21: warning: ‘_PyUnicode_get_wstr_length’ is deprecated [-Wdeprecated-declarations]
7076 | (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:97,
from netfilterqueue.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:446:26: note: declared here
446 | static inline Py_ssize_t _PyUnicode_get_wstr_length(PyObject *op) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
netfilterqueue.c:7076:21: warning: ‘PyUnicode_AsUnicode’ is deprecated [-Wdeprecated-declarations]
7076 | (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:97,
from netfilterqueue.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:580:45: note: declared here
580 | Py_DEPRECATED(3.3) PyAPI_FUNC(Py_UNICODE *) PyUnicode_AsUnicode(
| ^~~~~~~~~~~~~~~~~~~
netfilterqueue.c:7076:21: warning: ‘_PyUnicode_get_wstr_length’ is deprecated [-Wdeprecated-declarations]
7076 | (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:97,
from netfilterqueue.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:446:26: note: declared here
446 | static inline Py_ssize_t _PyUnicode_get_wstr_length(PyObject *op) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
netfilterqueue.c:7092:25: warning: ‘_PyUnicode_get_wstr_length’ is deprecated [-Wdeprecated-declarations]
7092 | (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:97,
from netfilterqueue.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:446:26: note: declared here
446 | static inline Py_ssize_t _PyUnicode_get_wstr_length(PyObject *op) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
netfilterqueue.c:7092:25: warning: ‘PyUnicode_AsUnicode’ is deprecated [-Wdeprecated-declarations]
7092 | (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:97,
from netfilterqueue.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:580:45: note: declared here
580 | Py_DEPRECATED(3.3) PyAPI_FUNC(Py_UNICODE *) PyUnicode_AsUnicode(
| ^~~~~~~~~~~~~~~~~~~
netfilterqueue.c:7092:25: warning: ‘_PyUnicode_get_wstr_length’ is deprecated [-Wdeprecated-declarations]
7092 | (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:97,
from netfilterqueue.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:446:26: note: declared here
446 | static inline Py_ssize_t _PyUnicode_get_wstr_length(PyObject *op) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
netfilterqueue.c:7092:25: warning: ‘_PyUnicode_get_wstr_length’ is deprecated [-Wdeprecated-declarations]
7092 | (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:97,
from netfilterqueue.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:446:26: note: declared here
446 | static inline Py_ssize_t _PyUnicode_get_wstr_length(PyObject *op) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
netfilterqueue.c:7092:25: warning: ‘PyUnicode_AsUnicode’ is deprecated [-Wdeprecated-declarations]
7092 | (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:97,
from netfilterqueue.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:580:45: note: declared here
580 | Py_DEPRECATED(3.3) PyAPI_FUNC(Py_UNICODE *) PyUnicode_AsUnicode(
| ^~~~~~~~~~~~~~~~~~~
netfilterqueue.c:7092:25: warning: ‘_PyUnicode_get_wstr_length’ is deprecated [-Wdeprecated-declarations]
7092 | (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:97,
from netfilterqueue.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:446:26: note: declared here
446 | static inline Py_ssize_t _PyUnicode_get_wstr_length(PyObject *op) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
error: command '/usr/bin/x86_64-linux-gnu-gcc' failed with exit code 1
----------------------------------------
ERROR: Command errored out with exit status 1: /usr/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-req-build-rfth476y/setup.py'"'"'; file='"'"'/tmp/pip-req-build-rfth476y/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(file);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, file, '"'"'exec'"'"'))' install --record /tmp/pip-record-e7ci4vqx/install-record.txt --single-version-externally-managed --compile --install-headers /usr/local/include/python3.9/NetfilterQueue Check the logs for full command output.

I have the same issue. Is there any solution for this?

I have updated the module with a newer Cython and it should install on any 3.x from source (PyPI is not updated yet).