Error running setup.py

[ligi]

when running setup.py as instructed in the readme I am getting this:

/usr/lib/python3.8/distutils/dist.py:274: UserWarning: Unknown distribution option: 'install_requires'
  warnings.warn(msg)
running install
running build
running build_py
creating build
creating build/lib.linux-x86_64-3.8
creating build/lib.linux-x86_64-3.8/echoprint_server
copying echoprint_server/lib.py -> build/lib.linux-x86_64-3.8/echoprint_server
copying echoprint_server/__init__.py -> build/lib.linux-x86_64-3.8/echoprint_server
running build_ext
building 'echoprint_server_c' extension
creating build/temp.linux-x86_64-3.8
x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -c libechoprintserver.c -o build/temp.linux-x86_64-3.8/libechoprintserver.o
libechoprintserver.c: In function ‘echoprint_inverted_index_block_similarity’:
libechoprintserver.c:64:14: warning: comparison of integer expressions of different signedness: ‘int’ and ‘uint32_t’ {aka ‘unsigned int’} [-Wsign-compare]
   64 |   for(n=0; n < index_block->n_songs; n++)
      |              ^
libechoprintserver.c:70:11: warning: comparison of integer expressions of different signedness: ‘int’ and ‘uint32_t’ {aka ‘unsigned int’} [-Wsign-compare]
   70 |   while(j < query_length && i < index_block->n_codes)
      |           ^
libechoprintserver.c:70:31: warning: comparison of integer expressions of different signedness: ‘int’ and ‘uint32_t’ {aka ‘unsigned int’} [-Wsign-compare]
   70 |   while(j < query_length && i < index_block->n_codes)
      |                               ^
libechoprintserver.c:77:20: warning: comparison of integer expressions of different signedness: ‘int’ and ‘uint32_t’ {aka ‘unsigned int’} [-Wsign-compare]
   77 |       for(n = 0; n < codeblock_length; n++)
      |                    ^
libechoprintserver.c:98:14: warning: comparison of integer expressions of different signedness: ‘int’ and ‘uint32_t’ {aka ‘unsigned int’} [-Wsign-compare]
   98 |   for(n=0; n < index_block->n_songs; n++)
      |              ^
libechoprintserver.c: In function ‘echoprint_inverted_index_query’:
libechoprintserver.c:159:16: warning: comparison of integer expressions of different signedness: ‘int’ and ‘uint32_t’ {aka ‘unsigned int’} [-Wsign-compare]
  159 |   for(b = 0; b < index->n_blocks; b++)
      |                ^
libechoprintserver.c:160:43: warning: comparison of integer expressions of different signedness: ‘int’ and ‘uint32_t’ {aka ‘unsigned int’} [-Wsign-compare]
  160 |     max_block_n_songs = max_block_n_songs > index->blocks[b].n_songs ?
      |                                           ^
libechoprintserver.c:161:7: warning: operand of ?: changes signedness from ‘int’ to ‘uint32_t’ {aka ‘unsigned int’} due to unsignedness of other operand [-Wsign-compare]
  161 |       max_block_n_songs : index->blocks[b].n_songs;
      |       ^~~~~~~~~~~~~~~~~
libechoprintserver.c:165:16: warning: comparison of integer expressions of different signedness: ‘int’ and ‘uint32_t’ {aka ‘unsigned int’} [-Wsign-compare]
  165 |   for(n = 0; n < n_results; n++)
      |                ^
libechoprintserver.c:174:16: warning: comparison of integer expressions of different signedness: ‘int’ and ‘uint32_t’ {aka ‘unsigned int’} [-Wsign-compare]
  174 |   for(b = 0; b < index->n_blocks; b++)
      |                ^
libechoprintserver.c:178:18: warning: comparison of integer expressions of different signedness: ‘int’ and ‘uint32_t’ {aka ‘unsigned int’} [-Wsign-compare]
  178 |     for(i = 0; i < index->blocks[b].n_songs; i++)
      |                  ^
libechoprintserver.c:183:18: warning: comparison of integer expressions of different signedness: ‘int’ and ‘uint32_t’ {aka ‘unsigned int’} [-Wsign-compare]
  183 |       if(ith_pos < n_results)
      |                  ^
libechoprintserver.c:195:16: warning: comparison of integer expressions of different signedness: ‘int’ and ‘uint32_t’ {aka ‘unsigned int’} [-Wsign-compare]
  195 |   for(n = 0; n < n_results; n++)
      |                ^
libechoprintserver.c: In function ‘_load_echoprint_inverted_index_block’:
libechoprintserver.c:221:16: warning: comparison of integer expressions of different signedness: ‘int’ and ‘uint32_t’ {aka ‘unsigned int’} [-Wsign-compare]
  221 |   for(n = 0; n < block->n_codes; n++)
      |                ^
libechoprintserver.c: In function ‘echoprint_inverted_index_free’:
libechoprintserver.c:254:16: warning: comparison of integer expressions of different signedness: ‘int’ and ‘uint32_t’ {aka ‘unsigned int’} [-Wsign-compare]
  254 |   for(n = 0; n < index->n_blocks; n++)
      |                ^
libechoprintserver.c: In function ‘echoprint_inverted_index_block_serialize’:
libechoprintserver.c:289:16: warning: comparison of integer expressions of different signedness: ‘int’ and ‘uint32_t’ {aka ‘unsigned int’} [-Wsign-compare]
  289 |   for(n = 0; n < block->n_codes; n++)
      |                ^
libechoprintserver.c: In function ‘echoprint_inverted_index_block_similarity’:
libechoprintserver.c:100:11: warning: ‘den’ may be used uninitialized in this function [-Wmaybe-uninitialized]
  100 |     float den;
      |           ^~~
x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -c echoprint_server_python.c -o build/temp.linux-x86_64-3.8/echoprint_server_python.o
echoprint_server_python.c: In function ‘initechoprint_server_c’:
echoprint_server_python.c:63:17: warning: implicit declaration of function ‘Py_InitModule3’ [-Wimplicit-function-declaration]
   63 |   PyObject *m = Py_InitModule3(
      |                 ^~~~~~~~~~~~~~
echoprint_server_python.c:63:17: warning: initialization of ‘PyObject *’ {aka ‘struct _object *’} from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
echoprint_server_python.c:66:5: warning: ‘return’ with no value, in function returning non-void [-Wreturn-type]
   66 |     return;
      |     ^~~~~~
echoprint_server_python.c:61:16: note: declared here
   61 | PyMODINIT_FUNC initechoprint_server_c(void)
      |                ^~~~~~~~~~~~~~~~~~~~~~
echoprint_server_python.c: In function ‘echoprint_py_load_inverted_index’:
echoprint_server_python.c:97:9: warning: implicit declaration of function ‘PyString_Check’; did you mean ‘PyMapping_Check’? [-Wimplicit-function-declaration]
   97 |     if(!PyString_Check(py_path))
      |         ^~~~~~~~~~~~~~
      |         PyMapping_Check
echoprint_server_python.c:102:27: warning: implicit declaration of function ‘PyString_AsString’ [-Wimplicit-function-declaration]
  102 |     index_file_paths[n] = PyString_AsString(
      |                           ^~~~~~~~~~~~~~~~~
echoprint_server_python.c:102:25: warning: assignment to ‘char *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
  102 |     index_file_paths[n] = PyString_AsString(
      |                         ^
echoprint_server_python.c: In function ‘echoprint_py_inverted_index_size’:
echoprint_server_python.c:129:10: warning: implicit declaration of function ‘PyInt_FromLong’; did you mean ‘PyLong_FromLong’? [-Wimplicit-function-declaration]
  129 |   return PyInt_FromLong((long) echoprint_inverted_index_get_n_songs(index));
      |          ^~~~~~~~~~~~~~
      |          PyLong_FromLong
echoprint_server_python.c:129:10: warning: returning ‘int’ from a function with return type ‘PyObject *’ {aka ‘struct _object *’} makes pointer from integer without a cast [-Wint-conversion]
  129 |   return PyInt_FromLong((long) echoprint_inverted_index_get_n_songs(index));
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
echoprint_server_python.c: In function ‘echoprint_py_query_inverted_index’:
echoprint_server_python.c:150:13: warning: passing argument 1 of ‘strcmp’ makes pointer from integer without a cast [-Wint-conversion]
  150 |   if(strcmp(PyString_AsString(arg_sim_fun), "jaccard") == 0)
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |             |
      |             int
In file included from /usr/include/python3.8/Python.h:30,
                 from echoprint_server_python.c:22:
/usr/include/string.h:137:32: note: expected ‘const char *’ but argument is of type ‘int’
  137 | extern int strcmp (const char *__s1, const char *__s2)
      |                    ~~~~~~~~~~~~^~~~
echoprint_server_python.c:152:18: warning: passing argument 1 of ‘strcmp’ makes pointer from integer without a cast [-Wint-conversion]
  152 |   else if(strcmp(PyString_AsString(arg_sim_fun), "set_int") == 0)
      |                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                  |
      |                  int
In file included from /usr/include/python3.8/Python.h:30,
                 from echoprint_server_python.c:22:
/usr/include/string.h:137:32: note: expected ‘const char *’ but argument is of type ‘int’
  137 | extern int strcmp (const char *__s1, const char *__s2)
      |                    ~~~~~~~~~~~~^~~~
echoprint_server_python.c:154:18: warning: passing argument 1 of ‘strcmp’ makes pointer from integer without a cast [-Wint-conversion]
  154 |   else if(strcmp(PyString_AsString(arg_sim_fun),
      |                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                  |
      |                  int
In file included from /usr/include/python3.8/Python.h:30,
                 from echoprint_server_python.c:22:
/usr/include/string.h:137:32: note: expected ‘const char *’ but argument is of type ‘int’
  137 | extern int strcmp (const char *__s1, const char *__s2)
      |                    ~~~~~~~~~~~~^~~~
echoprint_server_python.c:177:9: warning: implicit declaration of function ‘PyInt_Check’; did you mean ‘PySet_Check’? [-Wimplicit-function-declaration]
  177 |     if(!PyInt_Check(code_obj))
      |         ^~~~~~~~~~~
      |         PySet_Check
echoprint_server_python.c:185:23: warning: implicit declaration of function ‘PyInt_AsLong’; did you mean ‘PyLong_AsLong’? [-Wimplicit-function-declaration]
  185 |     code = (uint32_t) PyInt_AsLong(code_obj);
      |                       ^~~~~~~~~~~~
      |                       PyLong_AsLong
echoprint_server_python.c:201:5: error: unknown type name ‘PyStringObject’; did you mean ‘PySliceObject’?
  201 |     PyStringObject* score_k = (PyStringObject*)PyString_FromString("score");
      |     ^~~~~~~~~~~~~~
      |     PySliceObject
echoprint_server_python.c:201:32: error: ‘PyStringObject’ undeclared (first use in this function); did you mean ‘PySliceObject’?
  201 |     PyStringObject* score_k = (PyStringObject*)PyString_FromString("score");
      |                                ^~~~~~~~~~~~~~
      |                                PySliceObject
echoprint_server_python.c:201:32: note: each undeclared identifier is reported only once for each function it appears in
echoprint_server_python.c:201:47: error: expected expression before ‘)’ token
  201 |     PyStringObject* score_k = (PyStringObject*)PyString_FromString("score");
      |                                               ^
echoprint_server_python.c:206:21: error: ‘index_k’ undeclared (first use in this function); did you mean ‘index’?
  206 |     PyStringObject* index_k = (PyStringObject*)PyString_FromString("index");
      |                     ^~~~~~~
      |                     index
echoprint_server_python.c:206:47: error: expected expression before ‘)’ token
  206 |     PyStringObject* index_k = (PyStringObject*)PyString_FromString("index");
      |                                               ^
echoprint_server_python.c:207:5: error: unknown type name ‘PyIntObject’; did you mean ‘PySetObject’?
  207 |     PyIntObject* index_v = (PyIntObject*)PyInt_FromLong((long) output_indices[n]);
      |     ^~~~~~~~~~~
      |     PySetObject
echoprint_server_python.c:207:29: error: ‘PyIntObject’ undeclared (first use in this function); did you mean ‘PySetObject’?
  207 |     PyIntObject* index_v = (PyIntObject*)PyInt_FromLong((long) output_indices[n]);
      |                             ^~~~~~~~~~~
      |                             PySetObject
echoprint_server_python.c:207:41: error: expected expression before ‘)’ token
  207 |     PyIntObject* index_v = (PyIntObject*)PyInt_FromLong((long) output_indices[n]);
      |                                         ^
echoprint_server_python.c: In function ‘echoprint_py_inverted_index_create_block’:
echoprint_server_python.c:245:12: warning: assignment to ‘char *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
  245 |   path_out = PyString_AsString(arg_output_path);
      |            ^
echoprint_server_python.c:263:20: warning: comparison of integer expressions of different signedness: ‘int’ and ‘uint32_t’ {aka ‘unsigned int’} [-Wsign-compare]
  263 |       for(m = 0; m < song_length; m++)
      |                    ^
error: command 'x86_64-linux-gnu-gcc' failed with exit status 1

happens on ubuntu 20.04.3 - any Idea what could be wrong here?

[Blizl]

@ligi Did you figure out how to solve this? It only worked for me when using python2.