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I'm looking for a better alternative for the standard json module, and I found cjson module (https://github.com/AGProjects/python-cjson/), said to be the fastest encoder/decoder available. However, installing it with pip3 (Python 3.5), returns the following error (and I'm too stupid to figure it out):
object = PyString_DecodeEscape(jsondata->ptr+1, len, NULL, 0, NULL);
^~~~~~~~~~~~~~~~~~~~~ cjson.c:167:16: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
object = PyString_DecodeEscape(jsondata->ptr+1, len, NULL, 0, NULL);
^ cjson.c:169:18: warning: implicit declaration of function ‘PyString_FromStringAndSize’ [-Wimplicit-function-declaration]
object = PyString_FromStringAndSize(jsondata->ptr+1, len);
^~~~~~~~~~~~~~~~~~~~~~~~~~ cjson.c:169:16: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
object = PyString_FromStringAndSize(jsondata->ptr+1, len);
^ cjson.c:185:39: warning: implicit declaration of function ‘PyString_AsString’ [-Wimplicit-function-declaration]
reason ? PyString_AsString(reason) : "bad format");
^~~~~~~~~~~~~~~~~ cjson.c:185:65: warning: pointer/integer type mismatch in conditional expression
reason ? PyString_AsString(reason) : "bad format");
^ cjson.c: In function ‘decode_number’: cjson.c:295:9: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
str = PyString_FromStringAndSize(jsondata->ptr, ptr - jsondata->ptr);
^ cjson.c:300:18: error: too many arguments to function ‘PyFloat_FromString’
object = PyFloat_FromString(str, NULL);
^~~~~~~~~~~~~~~~~~ In file included from /usr/include/python3.5m/Python.h:81:0,
from cjson.c:5: /usr/include/python3.5m/floatobject.h:42:24: note: declared here PyAPI_FUNC(PyObject *) PyFloat_FromString(PyObject*);
^~~~~~~~~~~~~~~~~~ cjson.c:302:18: warning: implicit declaration of function ‘PyInt_FromString’ [-Wimplicit-function-declaration]
object = PyInt_FromString(PyString_AS_STRING(str), NULL, 10);
^~~~~~~~~~~~~~~~ cjson.c:302:35: warning: implicit declaration of function ‘PyString_AS_STRING’ [-Wimplicit-function-declaration]
object = PyInt_FromString(PyString_AS_STRING(str), NULL, 10);
^~~~~~~~~~~~~~~~~~ cjson.c:302:16: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
object = PyInt_FromString(PyString_AS_STRING(str), NULL, 10);
^ cjson.c: In function ‘encode_string’: cjson.c:593:14: error: unknown type name ‘PyStringObject’
register PyStringObject* op = (PyStringObject*) string;
^~~~~~~~~~~~~~ cjson.c:593:36: error: ‘PyStringObject’ undeclared (first use in this function)
register PyStringObject* op = (PyStringObject*) string;
^~~~~~~~~~~~~~ cjson.c:593:36: note: each undeclared identifier is reported only once for each function it appears in cjson.c:593:51: error: expected expression before ‘)’ token
register PyStringObject* op = (PyStringObject*) string;
^ cjson.c:594:32: error: request for member ‘ob_size’ in something not a structure or union
size_t newsize = 2 + 6 * op->ob_size;
^~ cjson.c:597:11: error: request for member ‘ob_size’ in something not a structure or union
if (op->ob_size > (PY_SSIZE_T_MAX-2)/6) {
^~ cjson.c:602:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
v = PyString_FromStringAndSize((char *)NULL, newsize);
^ cjson.c:614:11: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
p = PyString_AS_STRING(v);
^ cjson.c:616:27: error: request for member ‘ob_size’ in something not a structure or union
for (i = 0; i < op->ob_size; i++) {
^~ cjson.c:620:19: error: request for member ‘ob_sval’ in something not a structure or union
c = op->ob_sval[i];
^~ cjson.c:646:9: warning: implicit declaration of function ‘_PyString_Resize’ [-Wimplicit-function-declaration]
_PyString_Resize(&v, (int) (p - PyString_AS_STRING(v)));
^~~~~~~~~~~~~~~~ cjson.c:646:30: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
_PyString_Resize(&v, (int) (p - PyString_AS_STRING(v)));
^ cjson.c: In function ‘encode_unicode’: cjson.c:697:10: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
repr = PyString_FromStringAndSize(NULL, 2 + expandsize*size + 1);
^ cjson.c:701:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
p = PyString_AS_STRING(repr);
^ cjson.c:709:57: error: subscripted value is neither array nor pointer nor vector
if ((ch == (Py_UNICODE) PyString_AS_STRING(repr)[0] || ch == '\\')) {
^ cjson.c:804:36: error: subscripted value is neither array nor pointer nor vector
*p++ = PyString_AS_STRING(repr)[0];
^ cjson.c: In function ‘encode_tuple’: cjson.c:828:10: error: ‘PyTupleObject {aka struct <anonymous>}’ has no member named ‘ob_size’; did you mean ‘ob_base’?
n = v->ob_size;
^~ cjson.c:830:16: warning: implicit declaration of function ‘PyString_FromString’ [-Wimplicit-function-declaration]
return PyString_FromString("[]");
^~~~~~~~~~~~~~~~~~~ cjson.c:830:16: warning: return makes pointer from integer without a cast [-Wint-conversion]
return PyString_FromString("[]");
^~~~~~~~~~~~~~~~~~~~~~~~~ cjson.c:846:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
s = PyString_FromString("[");
^ cjson.c:850:5: warning: implicit declaration of function ‘PyString_ConcatAndDel’ [-Wimplicit-function-declaration]
PyString_ConcatAndDel(&s, temp);
^~~~~~~~~~~~~~~~~~~~~ cjson.c:855:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
s = PyString_FromString("]");
^ cjson.c:865:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
s = PyString_FromString(", ");
^ cjson.c:868:14: warning: implicit declaration of function ‘_PyString_Join’ [-Wimplicit-function-declaration]
result = _PyString_Join(s, pieces);
^~~~~~~~~~~~~~ cjson.c:868:12: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
result = _PyString_Join(s, pieces);
^ cjson.c: In function ‘encode_list’: cjson.c:902:10: error: ‘PyListObject {aka struct <anonymous>}’ has no member named ‘ob_size’; did you mean ‘ob_base’?
if (v->ob_size == 0) {
^~ cjson.c:903:16: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
result = PyString_FromString("[]");
^ cjson.c:913:22: error: ‘PyListObject {aka struct <anonymous>}’ has no member named ‘ob_size’; did you mean ‘ob_base’?
for (i = 0; i < v->ob_size; ++i) {
^~ cjson.c:926:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
s = PyString_FromString("[");
^ cjson.c:935:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
s = PyString_FromString("]");
^ cjson.c:945:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
s = PyString_FromString(", ");
^ cjson.c:948:12: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
result = _PyString_Join(s, pieces);
^ cjson.c: In function ‘encode_dict’: cjson.c:987:16: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
result = PyString_FromString("{}");
^ cjson.c:995:11: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
colon = PyString_FromString(": ");
^ cjson.c:1005:14: warning: implicit declaration of function ‘PyString_Check’ [-Wimplicit-function-declaration]
if (!PyString_Check(key) && !PyUnicode_Check(key)) {
^~~~~~~~~~~~~~ cjson.c:1014:9: warning: implicit declaration of function ‘PyString_Concat’ [-Wimplicit-function-declaration]
PyString_Concat(&s, colon);
^~~~~~~~~~~~~~~ cjson.c:1027:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
s = PyString_FromString("{");
^ cjson.c:1036:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
s = PyString_FromString("}");
^ cjson.c:1046:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
s = PyString_FromString(", ");
^ cjson.c:1049:12: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
result = _PyString_Join(s, pieces);
^ cjson.c: In function ‘encode_object’: cjson.c:1064:16: warning: return makes pointer from integer without a cast [-Wint-conversion]
return PyString_FromString("true");
^~~~~~~~~~~~~~~~~~~~~~~~~~~ cjson.c:1066:16: warning: return makes pointer from integer without a cast [-Wint-conversion]
return PyString_FromString("false");
^~~~~~~~~~~~~~~~~~~~~~~~~~~~ cjson.c:1068:16: warning: return makes pointer from integer without a cast [-Wint-conversion]
return PyString_FromString("null");
^~~~~~~~~~~~~~~~~~~~~~~~~~~ cjson.c:1076:20: warning: return makes pointer from integer without a cast [-Wint-conversion]
return PyString_FromString("NaN");
^~~~~~~~~~~~~~~~~~~~~~~~~~ cjson.c:1079:24: warning: return makes pointer from integer without a cast [-Wint-conversion]
return PyString_FromString("Infinity");
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cjson.c:1081:24: warning: return makes pointer from integer without a cast [-Wint-conversion]
return PyString_FromString("-Infinity");
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cjson.c:1086:16: warning: implicit declaration of function ‘PyInt_Check’ [-Wimplicit-function-declaration]
} else if (PyInt_Check(object) || PyLong_Check(object)) {
^~~~~~~~~~~ cjson.c: In function ‘JSON_decode’: cjson.c:1149:9: warning: implicit declaration of function ‘PyString_AsStringAndSize’ [-Wimplicit-function-declaration]
if (PyString_AsStringAndSize(str, &(jsondata.str), NULL) == -1) {
^~~~~~~~~~~~~~~~~~~~~~~~ cjson.c:1155:35: warning: implicit declaration of function ‘PyString_GET_SIZE’ [-Wimplicit-function-declaration]
jsondata.end = jsondata.str + PyString_GET_SIZE(str);
^~~~~~~~~~~~~~~~~ cjson.c: In function ‘initcjson’: cjson.c:1206:9: warning: implicit declaration of function ‘Py_InitModule3’ [-Wimplicit-function-declaration]
m = Py_InitModule3("cjson", cjson_methods, module_doc);
^~~~~~~~~~~~~~ cjson.c:1206:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
m = Py_InitModule3("cjson", cjson_methods, module_doc);
^ cjson.c:1209:9: warning: ‘return’ with no value, in function returning non-void
return;
^~~~~~ cjson.c:1202:1: note: declared here initcjson(void) ^~~~~~~~~ cjson.c:1213:9: warning: ‘return’ with no value, in function returning non-void
return;
^~~~~~ cjson.c:1202:1: note: declared here initcjson(void) ^~~~~~~~~ cjson.c:1219:9: warning: ‘return’ with no value, in function returning non-void
return;
^~~~~~ cjson.c:1202:1: note: declared here initcjson(void) ^~~~~~~~~ cjson.c:1225:9: warning: ‘return’ with no value, in function returning non-void
return;
^~~~~~ cjson.c:1202:1: note: declared here initcjson(void) ^~~~~~~~~ error: command 'x86_64-linux-gnu-gcc' failed with exit status 1
---------------------------------------- Failed building wheel for python-cjson Running setup.py clean for python-cjson Failed to build python-cjson Installing collected packages: python-cjson Running setup.py install for python-cjson ... error
Complete output from command /usr/bin/python3 -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-3pu8hloy/python-cjson/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-zp1kxfa_-record/install-record.txt --single-version-externally-managed --compile --user --prefix=:
running install
running build
running build_ext
building 'cjson' extension
creating build
creating build/temp.linux-x86_64-3.5
x86_64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-7CCmgg/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -DMODULE_VERSION=1.2.1 -I/usr/include/python3.5m -c cjson.c -o build/temp.linux-x86_64-3.5/cjson.o
cjson.c: In function ‘decode_string’:
cjson.c:167:18: warning: implicit declaration of function ‘PyString_DecodeEscape’ [-Wimplicit-function-declaration]
object = PyString_DecodeEscape(jsondata->ptr+1, len, NULL, 0, NULL);
^~~~~~~~~~~~~~~~~~~~~
cjson.c:167:16: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
object = PyString_DecodeEscape(jsondata->ptr+1, len, NULL, 0, NULL);
^
cjson.c:169:18: warning: implicit declaration of function ‘PyString_FromStringAndSize’ [-Wimplicit-function-declaration]
object = PyString_FromStringAndSize(jsondata->ptr+1, len);
^~~~~~~~~~~~~~~~~~~~~~~~~~
cjson.c:169:16: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
object = PyString_FromStringAndSize(jsondata->ptr+1, len);
^
cjson.c:185:39: warning: implicit declaration of function ‘PyString_AsString’ [-Wimplicit-function-declaration]
reason ? PyString_AsString(reason) : "bad format");
^~~~~~~~~~~~~~~~~
cjson.c:185:65: warning: pointer/integer type mismatch in conditional expression
reason ? PyString_AsString(reason) : "bad format");
^
cjson.c: In function ‘decode_number’:
cjson.c:295:9: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
str = PyString_FromStringAndSize(jsondata->ptr, ptr - jsondata->ptr);
^
cjson.c:300:18: error: too many arguments to function ‘PyFloat_FromString’
object = PyFloat_FromString(str, NULL);
^~~~~~~~~~~~~~~~~~
In file included from /usr/include/python3.5m/Python.h:81:0,
from cjson.c:5:
/usr/include/python3.5m/floatobject.h:42:24: note: declared here
PyAPI_FUNC(PyObject *) PyFloat_FromString(PyObject*);
^~~~~~~~~~~~~~~~~~
cjson.c:302:18: warning: implicit declaration of function ‘PyInt_FromString’ [-Wimplicit-function-declaration]
object = PyInt_FromString(PyString_AS_STRING(str), NULL, 10);
^~~~~~~~~~~~~~~~
cjson.c:302:35: warning: implicit declaration of function ‘PyString_AS_STRING’ [-Wimplicit-function-declaration]
object = PyInt_FromString(PyString_AS_STRING(str), NULL, 10);
^~~~~~~~~~~~~~~~~~
cjson.c:302:16: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
object = PyInt_FromString(PyString_AS_STRING(str), NULL, 10);
^
cjson.c: In function ‘encode_string’:
cjson.c:593:14: error: unknown type name ‘PyStringObject’
register PyStringObject* op = (PyStringObject*) string;
^~~~~~~~~~~~~~
cjson.c:593:36: error: ‘PyStringObject’ undeclared (first use in this function)
register PyStringObject* op = (PyStringObject*) string;
^~~~~~~~~~~~~~
cjson.c:593:36: note: each undeclared identifier is reported only once for each function it appears in
cjson.c:593:51: error: expected expression before ‘)’ token
register PyStringObject* op = (PyStringObject*) string;
^
cjson.c:594:32: error: request for member ‘ob_size’ in something not a structure or union
size_t newsize = 2 + 6 * op->ob_size;
^~
cjson.c:597:11: error: request for member ‘ob_size’ in something not a structure or union
if (op->ob_size > (PY_SSIZE_T_MAX-2)/6) {
^~
cjson.c:602:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
v = PyString_FromStringAndSize((char *)NULL, newsize);
^
cjson.c:614:11: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
p = PyString_AS_STRING(v);
^
cjson.c:616:27: error: request for member ‘ob_size’ in something not a structure or union
for (i = 0; i < op->ob_size; i++) {
^~
cjson.c:620:19: error: request for member ‘ob_sval’ in something not a structure or union
c = op->ob_sval[i];
^~
cjson.c:646:9: warning: implicit declaration of function ‘_PyString_Resize’ [-Wimplicit-function-declaration]
_PyString_Resize(&v, (int) (p - PyString_AS_STRING(v)));
^~~~~~~~~~~~~~~~
cjson.c:646:30: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
_PyString_Resize(&v, (int) (p - PyString_AS_STRING(v)));
^
cjson.c: In function ‘encode_unicode’:
cjson.c:697:10: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
repr = PyString_FromStringAndSize(NULL, 2 + expandsize*size + 1);
^
cjson.c:701:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
p = PyString_AS_STRING(repr);
^
cjson.c:709:57: error: subscripted value is neither array nor pointer nor vector
if ((ch == (Py_UNICODE) PyString_AS_STRING(repr)[0] || ch == '\\')) {
^
cjson.c:804:36: error: subscripted value is neither array nor pointer nor vector
*p++ = PyString_AS_STRING(repr)[0];
^
cjson.c: In function ‘encode_tuple’:
cjson.c:828:10: error: ‘PyTupleObject {aka struct <anonymous>}’ has no member named ‘ob_size’; did you mean ‘ob_base’?
n = v->ob_size;
^~
cjson.c:830:16: warning: implicit declaration of function ‘PyString_FromString’ [-Wimplicit-function-declaration]
return PyString_FromString("[]");
^~~~~~~~~~~~~~~~~~~
cjson.c:830:16: warning: return makes pointer from integer without a cast [-Wint-conversion]
return PyString_FromString("[]");
^~~~~~~~~~~~~~~~~~~~~~~~~
cjson.c:846:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
s = PyString_FromString("[");
^
cjson.c:850:5: warning: implicit declaration of function ‘PyString_ConcatAndDel’ [-Wimplicit-function-declaration]
PyString_ConcatAndDel(&s, temp);
^~~~~~~~~~~~~~~~~~~~~
cjson.c:855:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
s = PyString_FromString("]");
^
cjson.c:865:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
s = PyString_FromString(", ");
^
cjson.c:868:14: warning: implicit declaration of function ‘_PyString_Join’ [-Wimplicit-function-declaration]
result = _PyString_Join(s, pieces);
^~~~~~~~~~~~~~
cjson.c:868:12: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
result = _PyString_Join(s, pieces);
^
cjson.c: In function ‘encode_list’:
cjson.c:902:10: error: ‘PyListObject {aka struct <anonymous>}’ has no member named ‘ob_size’; did you mean ‘ob_base’?
if (v->ob_size == 0) {
^~
cjson.c:903:16: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
result = PyString_FromString("[]");
^
cjson.c:913:22: error: ‘PyListObject {aka struct <anonymous>}’ has no member named ‘ob_size’; did you mean ‘ob_base’?
for (i = 0; i < v->ob_size; ++i) {
^~
cjson.c:926:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
s = PyString_FromString("[");
^
cjson.c:935:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
s = PyString_FromString("]");
^
cjson.c:945:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
s = PyString_FromString(", ");
^
cjson.c:948:12: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
result = _PyString_Join(s, pieces);
^
cjson.c: In function ‘encode_dict’:
cjson.c:987:16: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
result = PyString_FromString("{}");
^
cjson.c:995:11: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
colon = PyString_FromString(": ");
^
cjson.c:1005:14: warning: implicit declaration of function ‘PyString_Check’ [-Wimplicit-function-declaration]
if (!PyString_Check(key) && !PyUnicode_Check(key)) {
^~~~~~~~~~~~~~
cjson.c:1014:9: warning: implicit declaration of function ‘PyString_Concat’ [-Wimplicit-function-declaration]
PyString_Concat(&s, colon);
^~~~~~~~~~~~~~~
cjson.c:1027:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
s = PyString_FromString("{");
^
cjson.c:1036:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
s = PyString_FromString("}");
^
cjson.c:1046:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
s = PyString_FromString(", ");
^
cjson.c:1049:12: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
result = _PyString_Join(s, pieces);
^
cjson.c: In function ‘encode_object’:
cjson.c:1064:16: warning: return makes pointer from integer without a cast [-Wint-conversion]
return PyString_FromString("true");
^~~~~~~~~~~~~~~~~~~~~~~~~~~
cjson.c:1066:16: warning: return makes pointer from integer without a cast [-Wint-conversion]
return PyString_FromString("false");
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
cjson.c:1068:16: warning: return makes pointer from integer without a cast [-Wint-conversion]
return PyString_FromString("null");
^~~~~~~~~~~~~~~~~~~~~~~~~~~
cjson.c:1076:20: warning: return makes pointer from integer without a cast [-Wint-conversion]
return PyString_FromString("NaN");
^~~~~~~~~~~~~~~~~~~~~~~~~~
cjson.c:1079:24: warning: return makes pointer from integer without a cast [-Wint-conversion]
return PyString_FromString("Infinity");
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cjson.c:1081:24: warning: return makes pointer from integer without a cast [-Wint-conversion]
return PyString_FromString("-Infinity");
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cjson.c:1086:16: warning: implicit declaration of function ‘PyInt_Check’ [-Wimplicit-function-declaration]
} else if (PyInt_Check(object) || PyLong_Check(object)) {
^~~~~~~~~~~
cjson.c: In function ‘JSON_decode’:
cjson.c:1149:9: warning: implicit declaration of function ‘PyString_AsStringAndSize’ [-Wimplicit-function-declaration]
if (PyString_AsStringAndSize(str, &(jsondata.str), NULL) == -1) {
^~~~~~~~~~~~~~~~~~~~~~~~
cjson.c:1155:35: warning: implicit declaration of function ‘PyString_GET_SIZE’ [-Wimplicit-function-declaration]
jsondata.end = jsondata.str + PyString_GET_SIZE(str);
^~~~~~~~~~~~~~~~~
cjson.c: In function ‘initcjson’:
cjson.c:1206:9: warning: implicit declaration of function ‘Py_InitModule3’ [-Wimplicit-function-declaration]
m = Py_InitModule3("cjson", cjson_methods, module_doc);
^~~~~~~~~~~~~~
cjson.c:1206:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
m = Py_InitModule3("cjson", cjson_methods, module_doc);
^
cjson.c:1209:9: warning: ‘return’ with no value, in function returning non-void
return;
^~~~~~
cjson.c:1202:1: note: declared here
initcjson(void)
^~~~~~~~~
cjson.c:1213:9: warning: ‘return’ with no value, in function returning non-void
return;
^~~~~~
cjson.c:1202:1: note: declared here
initcjson(void)
^~~~~~~~~
cjson.c:1219:9: warning: ‘return’ with no value, in function returning non-void
return;
^~~~~~
cjson.c:1202:1: note: declared here
initcjson(void)
^~~~~~~~~
cjson.c:1225:9: warning: ‘return’ with no value, in function returning non-void
return;
^~~~~~
cjson.c:1202:1: note: declared here
initcjson(void)
^~~~~~~~~
error: command 'x86_64-linux-gnu-gcc' failed with exit status 1
---------------------------------------- Command "/usr/bin/python3 -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-3pu8hloy/python-cjson/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-zp1kxfa_-record/install-record.txt --single-version-externally-managed --compile --user --prefix=" failed with error code 1 in /tmp/pip-build-3pu8hloy/python-cjson/
Thanks.
267
According to py3readiness.org, there is no Python3 support for python-cjson right now.
Maybe you would like to take a look at ujson instead (benchmark).
You can install it via pip install ujson.
55
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