cpython/Modules/clinic/pyexpat.c.h

/*[clinic input]
preserve
[clinic start generated code]*/

#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
#  include "pycore_gc.h"          // PyGC_Head
#  include "pycore_runtime.h"     // _Py_SINGLETON()
#endif
#include "pycore_long.h"          // _PyLong_UnsignedLongLong_Converter()
#include "pycore_modsupport.h"    // _PyArg_UnpackKeywords()

PyDoc_STRVAR(pyexpat_xmlparser_SetReparseDeferralEnabled__doc__,
"SetReparseDeferralEnabled($self, enabled, /)\n"
"--\n"
"\n"
"Enable/Disable reparse deferral; enabled by default with Expat >=2.6.0.");

#define PYEXPAT_XMLPARSER_SETREPARSEDEFERRALENABLED_METHODDEF    \
    {"SetReparseDeferralEnabled", (PyCFunction)pyexpat_xmlparser_SetReparseDeferralEnabled, METH_O, pyexpat_xmlparser_SetReparseDeferralEnabled__doc__},

static PyObject *
pyexpat_xmlparser_SetReparseDeferralEnabled_impl(xmlparseobject *self,
                                                 int enabled);

static PyObject *
pyexpat_xmlparser_SetReparseDeferralEnabled(PyObject *self, PyObject *arg)
{
    PyObject *return_value = NULL;
    int enabled;

    enabled = PyObject_IsTrue(arg);
    if (enabled < 0) {
        goto exit;
    }
    return_value = pyexpat_xmlparser_SetReparseDeferralEnabled_impl((xmlparseobject *)self, enabled);

exit:
    return return_value;
}

PyDoc_STRVAR(pyexpat_xmlparser_GetReparseDeferralEnabled__doc__,
"GetReparseDeferralEnabled($self, /)\n"
"--\n"
"\n"
"Retrieve reparse deferral enabled status; always returns false with Expat <2.6.0.");

#define PYEXPAT_XMLPARSER_GETREPARSEDEFERRALENABLED_METHODDEF    \
    {"GetReparseDeferralEnabled", (PyCFunction)pyexpat_xmlparser_GetReparseDeferralEnabled, METH_NOARGS, pyexpat_xmlparser_GetReparseDeferralEnabled__doc__},

static PyObject *
pyexpat_xmlparser_GetReparseDeferralEnabled_impl(xmlparseobject *self);

static PyObject *
pyexpat_xmlparser_GetReparseDeferralEnabled(PyObject *self, PyObject *Py_UNUSED(ignored))
{
    return pyexpat_xmlparser_GetReparseDeferralEnabled_impl((xmlparseobject *)self);
}

PyDoc_STRVAR(pyexpat_xmlparser_Parse__doc__,
"Parse($self, data, isfinal=False, /)\n"
"--\n"
"\n"
"Parse XML data.\n"
"\n"
"\'isfinal\' should be true at end of input.");

#define PYEXPAT_XMLPARSER_PARSE_METHODDEF    \
    {"Parse", _PyCFunction_CAST(pyexpat_xmlparser_Parse), METH_METHOD|METH_FASTCALL|METH_KEYWORDS, pyexpat_xmlparser_Parse__doc__},

static PyObject *
pyexpat_xmlparser_Parse_impl(xmlparseobject *self, PyTypeObject *cls,
                             PyObject *data, int isfinal);

static PyObject *
pyexpat_xmlparser_Parse(PyObject *self, PyTypeObject *cls, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
{
    PyObject *return_value = NULL;
    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
    #  define KWTUPLE (PyObject *)&_Py_SINGLETON(tuple_empty)
    #else
    #  define KWTUPLE NULL
    #endif

    static const char * const _keywords[] = {"", "", NULL};
    static _PyArg_Parser _parser = {
        .keywords = _keywords,
        .fname = "Parse",
        .kwtuple = KWTUPLE,
    };
    #undef KWTUPLE
    PyObject *argsbuf[2];
    PyObject *data;
    int isfinal = 0;

    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,
            /*minpos*/ 1, /*maxpos*/ 2, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
    if (!args) {
        goto exit;
    }
    data = args[0];
    if (nargs < 2) {
        goto skip_optional_posonly;
    }
    isfinal = PyObject_IsTrue(args[1]);
    if (isfinal < 0) {
        goto exit;
    }
skip_optional_posonly:
    return_value = pyexpat_xmlparser_Parse_impl((xmlparseobject *)self, cls, data, isfinal);

exit:
    return return_value;
}

PyDoc_STRVAR(pyexpat_xmlparser_ParseFile__doc__,
"ParseFile($self, file, /)\n"
"--\n"
"\n"
"Parse XML data from file-like object.");

#define PYEXPAT_XMLPARSER_PARSEFILE_METHODDEF    \
    {"ParseFile", _PyCFunction_CAST(pyexpat_xmlparser_ParseFile), METH_METHOD|METH_FASTCALL|METH_KEYWORDS, pyexpat_xmlparser_ParseFile__doc__},

static PyObject *
pyexpat_xmlparser_ParseFile_impl(xmlparseobject *self, PyTypeObject *cls,
                                 PyObject *file);

static PyObject *
pyexpat_xmlparser_ParseFile(PyObject *self, PyTypeObject *cls, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
{
    PyObject *return_value = NULL;
    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
    #  define KWTUPLE (PyObject *)&_Py_SINGLETON(tuple_empty)
    #else
    #  define KWTUPLE NULL
    #endif

    static const char * const _keywords[] = {"", NULL};
    static _PyArg_Parser _parser = {
        .keywords = _keywords,
        .fname = "ParseFile",
        .kwtuple = KWTUPLE,
    };
    #undef KWTUPLE
    PyObject *argsbuf[1];
    PyObject *file;

    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,
            /*minpos*/ 1, /*maxpos*/ 1, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
    if (!args) {
        goto exit;
    }
    file = args[0];
    return_value = pyexpat_xmlparser_ParseFile_impl((xmlparseobject *)self, cls, file);

exit:
    return return_value;
}

PyDoc_STRVAR(pyexpat_xmlparser_SetBase__doc__,
"SetBase($self, base, /)\n"
"--\n"
"\n"
"Set the base URL for the parser.");

#define PYEXPAT_XMLPARSER_SETBASE_METHODDEF    \
    {"SetBase", (PyCFunction)pyexpat_xmlparser_SetBase, METH_O, pyexpat_xmlparser_SetBase__doc__},

static PyObject *
pyexpat_xmlparser_SetBase_impl(xmlparseobject *self, const char *base);

static PyObject *
pyexpat_xmlparser_SetBase(PyObject *self, PyObject *arg)
{
    PyObject *return_value = NULL;
    const char *base;

    if (!PyUnicode_Check(arg)) {
        _PyArg_BadArgument("SetBase", "argument", "str", arg);
        goto exit;
    }
    Py_ssize_t base_length;
    base = PyUnicode_AsUTF8AndSize(arg, &base_length);
    if (base == NULL) {
        goto exit;
    }
    if (strlen(base) != (size_t)base_length) {
        PyErr_SetString(PyExc_ValueError, "embedded null character");
        goto exit;
    }
    return_value = pyexpat_xmlparser_SetBase_impl((xmlparseobject *)self, base);

exit:
    return return_value;
}

PyDoc_STRVAR(pyexpat_xmlparser_GetBase__doc__,
"GetBase($self, /)\n"
"--\n"
"\n"
"Return base URL string for the parser.");

#define PYEXPAT_XMLPARSER_GETBASE_METHODDEF    \
    {"GetBase", (PyCFunction)pyexpat_xmlparser_GetBase, METH_NOARGS, pyexpat_xmlparser_GetBase__doc__},

static PyObject *
pyexpat_xmlparser_GetBase_impl(xmlparseobject *self);

static PyObject *
pyexpat_xmlparser_GetBase(PyObject *self, PyObject *Py_UNUSED(ignored))
{
    return pyexpat_xmlparser_GetBase_impl((xmlparseobject *)self);
}

PyDoc_STRVAR(pyexpat_xmlparser_GetInputContext__doc__,
"GetInputContext($self, /)\n"
"--\n"
"\n"
"Return the untranslated text of the input that caused the current event.\n"
"\n"
"If the event was generated by a large amount of text (such as a start tag\n"
"for an element with many attributes), not all of the text may be available.");

#define PYEXPAT_XMLPARSER_GETINPUTCONTEXT_METHODDEF    \
    {"GetInputContext", (PyCFunction)pyexpat_xmlparser_GetInputContext, METH_NOARGS, pyexpat_xmlparser_GetInputContext__doc__},

static PyObject *
pyexpat_xmlparser_GetInputContext_impl(xmlparseobject *self);

static PyObject *
pyexpat_xmlparser_GetInputContext(PyObject *self, PyObject *Py_UNUSED(ignored))
{
    return pyexpat_xmlparser_GetInputContext_impl((xmlparseobject *)self);
}

PyDoc_STRVAR(pyexpat_xmlparser_ExternalEntityParserCreate__doc__,
"ExternalEntityParserCreate($self, context, encoding=<unrepresentable>,\n"
"                           /)\n"
"--\n"
"\n"
"Create a parser for parsing an external entity based on the information passed to the ExternalEntityRefHandler.");

#define PYEXPAT_XMLPARSER_EXTERNALENTITYPARSERCREATE_METHODDEF    \
    {"ExternalEntityParserCreate", _PyCFunction_CAST(pyexpat_xmlparser_ExternalEntityParserCreate), METH_METHOD|METH_FASTCALL|METH_KEYWORDS, pyexpat_xmlparser_ExternalEntityParserCreate__doc__},

static PyObject *
pyexpat_xmlparser_ExternalEntityParserCreate_impl(xmlparseobject *self,
                                                  PyTypeObject *cls,
                                                  const char *context,
                                                  const char *encoding);

static PyObject *
pyexpat_xmlparser_ExternalEntityParserCreate(PyObject *self, PyTypeObject *cls, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
{
    PyObject *return_value = NULL;
    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
    #  define KWTUPLE (PyObject *)&_Py_SINGLETON(tuple_empty)
    #else
    #  define KWTUPLE NULL
    #endif

    static const char * const _keywords[] = {"", "", NULL};
    static _PyArg_Parser _parser = {
        .keywords = _keywords,
        .fname = "ExternalEntityParserCreate",
        .kwtuple = KWTUPLE,
    };
    #undef KWTUPLE
    PyObject *argsbuf[2];
    const char *context;
    const char *encoding = NULL;

    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,
            /*minpos*/ 1, /*maxpos*/ 2, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
    if (!args) {
        goto exit;
    }
    if (args[0] == Py_None) {
        context = NULL;
    }
    else if (PyUnicode_Check(args[0])) {
        Py_ssize_t context_length;
        context = PyUnicode_AsUTF8AndSize(args[0], &context_length);
        if (context == NULL) {
            goto exit;
        }
        if (strlen(context) != (size_t)context_length) {
            PyErr_SetString(PyExc_ValueError, "embedded null character");
            goto exit;
        }
    }
    else {
        _PyArg_BadArgument("ExternalEntityParserCreate", "argument 1", "str or None", args[0]);
        goto exit;
    }
    if (nargs < 2) {
        goto skip_optional_posonly;
    }
    if (!PyUnicode_Check(args[1])) {
        _PyArg_BadArgument("ExternalEntityParserCreate", "argument 2", "str", args[1]);
        goto exit;
    }
    Py_ssize_t encoding_length;
    encoding = PyUnicode_AsUTF8AndSize(args[1], &encoding_length);
    if (encoding == NULL) {
        goto exit;
    }
    if (strlen(encoding) != (size_t)encoding_length) {
        PyErr_SetString(PyExc_ValueError, "embedded null character");
        goto exit;
    }
skip_optional_posonly:
    return_value = pyexpat_xmlparser_ExternalEntityParserCreate_impl((xmlparseobject *)self, cls, context, encoding);

exit:
    return return_value;
}

PyDoc_STRVAR(pyexpat_xmlparser_SetParamEntityParsing__doc__,
"SetParamEntityParsing($self, flag, /)\n"
"--\n"
"\n"
"Controls parsing of parameter entities (including the external DTD subset).\n"
"\n"
"Possible flag values are XML_PARAM_ENTITY_PARSING_NEVER,\n"
"XML_PARAM_ENTITY_PARSING_UNLESS_STANDALONE and\n"
"XML_PARAM_ENTITY_PARSING_ALWAYS. Returns true if setting the flag\n"
"was successful.");

#define PYEXPAT_XMLPARSER_SETPARAMENTITYPARSING_METHODDEF    \
    {"SetParamEntityParsing", (PyCFunction)pyexpat_xmlparser_SetParamEntityParsing, METH_O, pyexpat_xmlparser_SetParamEntityParsing__doc__},

static PyObject *
pyexpat_xmlparser_SetParamEntityParsing_impl(xmlparseobject *self, int flag);

static PyObject *
pyexpat_xmlparser_SetParamEntityParsing(PyObject *self, PyObject *arg)
{
    PyObject *return_value = NULL;
    int flag;

    flag = PyLong_AsInt(arg);
    if (flag == -1 && PyErr_Occurred()) {
        goto exit;
    }
    return_value = pyexpat_xmlparser_SetParamEntityParsing_impl((xmlparseobject *)self, flag);

exit:
    return return_value;
}

#if (XML_COMBINED_VERSION >= 19505)

PyDoc_STRVAR(pyexpat_xmlparser_UseForeignDTD__doc__,
"UseForeignDTD($self, flag=True, /)\n"
"--\n"
"\n"
"Allows the application to provide an artificial external subset if one is not specified as part of the document instance.\n"
"\n"
"This readily allows the use of a \'default\' document type controlled by the\n"
"application, while still getting the advantage of providing document type\n"
"information to the parser. \'flag\' defaults to True if not provided.");

#define PYEXPAT_XMLPARSER_USEFOREIGNDTD_METHODDEF    \
    {"UseForeignDTD", _PyCFunction_CAST(pyexpat_xmlparser_UseForeignDTD), METH_METHOD|METH_FASTCALL|METH_KEYWORDS, pyexpat_xmlparser_UseForeignDTD__doc__},

static PyObject *
pyexpat_xmlparser_UseForeignDTD_impl(xmlparseobject *self, PyTypeObject *cls,
                                     int flag);

static PyObject *
pyexpat_xmlparser_UseForeignDTD(PyObject *self, PyTypeObject *cls, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
{
    PyObject *return_value = NULL;
    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
    #  define KWTUPLE (PyObject *)&_Py_SINGLETON(tuple_empty)
    #else
    #  define KWTUPLE NULL
    #endif

    static const char * const _keywords[] = {"", NULL};
    static _PyArg_Parser _parser = {
        .keywords = _keywords,
        .fname = "UseForeignDTD",
        .kwtuple = KWTUPLE,
    };
    #undef KWTUPLE
    PyObject *argsbuf[1];
    int flag = 1;

    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,
            /*minpos*/ 0, /*maxpos*/ 1, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
    if (!args) {
        goto exit;
    }
    if (nargs < 1) {
        goto skip_optional_posonly;
    }
    flag = PyObject_IsTrue(args[0]);
    if (flag < 0) {
        goto exit;
    }
skip_optional_posonly:
    return_value = pyexpat_xmlparser_UseForeignDTD_impl((xmlparseobject *)self, cls, flag);

exit:
    return return_value;
}

#endif /* (XML_COMBINED_VERSION >= 19505) */

#if (XML_COMBINED_VERSION >= 20702)

PyDoc_STRVAR(pyexpat_xmlparser_SetAllocTrackerActivationThreshold__doc__,
"SetAllocTrackerActivationThreshold($self, threshold, /)\n"
"--\n"
"\n"
"Sets the number of allocated bytes of dynamic memory needed to activate protection against disproportionate use of RAM.\n"
"\n"
"By default, parser objects have an allocation activation threshold of 64 MiB.");

#define PYEXPAT_XMLPARSER_SETALLOCTRACKERACTIVATIONTHRESHOLD_METHODDEF    \
    {"SetAllocTrackerActivationThreshold", _PyCFunction_CAST(pyexpat_xmlparser_SetAllocTrackerActivationThreshold), METH_METHOD|METH_FASTCALL|METH_KEYWORDS, pyexpat_xmlparser_SetAllocTrackerActivationThreshold__doc__},

static PyObject *
pyexpat_xmlparser_SetAllocTrackerActivationThreshold_impl(xmlparseobject *self,
                                                          PyTypeObject *cls,
                                                          unsigned long long threshold);

static PyObject *
pyexpat_xmlparser_SetAllocTrackerActivationThreshold(PyObject *self, PyTypeObject *cls, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
{
    PyObject *return_value = NULL;
    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
    #  define KWTUPLE (PyObject *)&_Py_SINGLETON(tuple_empty)
    #else
    #  define KWTUPLE NULL
    #endif

    static const char * const _keywords[] = {"", NULL};
    static _PyArg_Parser _parser = {
        .keywords = _keywords,
        .fname = "SetAllocTrackerActivationThreshold",
        .kwtuple = KWTUPLE,
    };
    #undef KWTUPLE
    PyObject *argsbuf[1];
    unsigned long long threshold;

    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,
            /*minpos*/ 1, /*maxpos*/ 1, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
    if (!args) {
        goto exit;
    }
    if (!_PyLong_UnsignedLongLong_Converter(args[0], &threshold)) {
        goto exit;
    }
    return_value = pyexpat_xmlparser_SetAllocTrackerActivationThreshold_impl((xmlparseobject *)self, cls, threshold);

exit:
    return return_value;
}

#endif /* (XML_COMBINED_VERSION >= 20702) */

#if (XML_COMBINED_VERSION >= 20702)

PyDoc_STRVAR(pyexpat_xmlparser_SetAllocTrackerMaximumAmplification__doc__,
"SetAllocTrackerMaximumAmplification($self, max_factor, /)\n"
"--\n"
"\n"
"Sets the maximum amplification factor between direct input and bytes of dynamic memory allocated.\n"
"\n"
"The amplification factor is calculated as \"allocated / direct\" while parsing,\n"
"where \"direct\" is the number of bytes read from the primary document in parsing\n"
"and \"allocated\" is the number of bytes of dynamic memory allocated in the parser\n"
"hierarchy.\n"
"\n"
"The \'max_factor\' value must be a non-NaN floating point value greater than\n"
"or equal to 1.0. Amplification factors greater than 100.0 can be observed\n"
"near the start of parsing even with benign files in practice. In particular,\n"
"the activation threshold should be carefully chosen to avoid false positives.\n"
"\n"
"By default, parser objects have a maximum amplification factor of 100.0.");

#define PYEXPAT_XMLPARSER_SETALLOCTRACKERMAXIMUMAMPLIFICATION_METHODDEF    \
    {"SetAllocTrackerMaximumAmplification", _PyCFunction_CAST(pyexpat_xmlparser_SetAllocTrackerMaximumAmplification), METH_METHOD|METH_FASTCALL|METH_KEYWORDS, pyexpat_xmlparser_SetAllocTrackerMaximumAmplification__doc__},

static PyObject *
pyexpat_xmlparser_SetAllocTrackerMaximumAmplification_impl(xmlparseobject *self,
                                                           PyTypeObject *cls,
                                                           float max_factor);

static PyObject *
pyexpat_xmlparser_SetAllocTrackerMaximumAmplification(PyObject *self, PyTypeObject *cls, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
{
    PyObject *return_value = NULL;
    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
    #  define KWTUPLE (PyObject *)&_Py_SINGLETON(tuple_empty)
    #else
    #  define KWTUPLE NULL
    #endif

    static const char * const _keywords[] = {"", NULL};
    static _PyArg_Parser _parser = {
        .keywords = _keywords,
        .fname = "SetAllocTrackerMaximumAmplification",
        .kwtuple = KWTUPLE,
    };
    #undef KWTUPLE
    PyObject *argsbuf[1];
    float max_factor;

    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,
            /*minpos*/ 1, /*maxpos*/ 1, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
    if (!args) {
        goto exit;
    }
    if (PyFloat_CheckExact(args[0])) {
        max_factor = (float) (PyFloat_AS_DOUBLE(args[0]));
    }
    else
    {
        max_factor = (float) PyFloat_AsDouble(args[0]);
        if (max_factor == -1.0 && PyErr_Occurred()) {
            goto exit;
        }
    }
    return_value = pyexpat_xmlparser_SetAllocTrackerMaximumAmplification_impl((xmlparseobject *)self, cls, max_factor);

exit:
    return return_value;
}

#endif /* (XML_COMBINED_VERSION >= 20702) */

PyDoc_STRVAR(pyexpat_ParserCreate__doc__,
"ParserCreate($module, /, encoding=None, namespace_separator=None,\n"
"             intern=<unrepresentable>)\n"
"--\n"
"\n"
"Return a new XML parser object.");

#define PYEXPAT_PARSERCREATE_METHODDEF    \
    {"ParserCreate", _PyCFunction_CAST(pyexpat_ParserCreate), METH_FASTCALL|METH_KEYWORDS, pyexpat_ParserCreate__doc__},

static PyObject *
pyexpat_ParserCreate_impl(PyObject *module, const char *encoding,
                          const char *namespace_separator, PyObject *intern);

static PyObject *
pyexpat_ParserCreate(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
{
    PyObject *return_value = NULL;
    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)

    #define NUM_KEYWORDS 3
    static struct {
        PyGC_Head _this_is_not_used;
        PyObject_VAR_HEAD
        Py_hash_t ob_hash;
        PyObject *ob_item[NUM_KEYWORDS];
    } _kwtuple = {
        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
        .ob_hash = -1,
        .ob_item = { &_Py_ID(encoding), &_Py_ID(namespace_separator), &_Py_ID(intern), },
    };
    #undef NUM_KEYWORDS
    #define KWTUPLE (&_kwtuple.ob_base.ob_base)

    #else  // !Py_BUILD_CORE
    #  define KWTUPLE NULL
    #endif  // !Py_BUILD_CORE

    static const char * const _keywords[] = {"encoding", "namespace_separator", "intern", NULL};
    static _PyArg_Parser _parser = {
        .keywords = _keywords,
        .fname = "ParserCreate",
        .kwtuple = KWTUPLE,
    };
    #undef KWTUPLE
    PyObject *argsbuf[3];
    Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 0;
    const char *encoding = NULL;
    const char *namespace_separator = NULL;
    PyObject *intern = NULL;

    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,
            /*minpos*/ 0, /*maxpos*/ 3, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
    if (!args) {
        goto exit;
    }
    if (!noptargs) {
        goto skip_optional_pos;
    }
    if (args[0]) {
        if (args[0] == Py_None) {
            encoding = NULL;
        }
        else if (PyUnicode_Check(args[0])) {
            Py_ssize_t encoding_length;
            encoding = PyUnicode_AsUTF8AndSize(args[0], &encoding_length);
            if (encoding == NULL) {
                goto exit;
            }
            if (strlen(encoding) != (size_t)encoding_length) {
                PyErr_SetString(PyExc_ValueError, "embedded null character");
                goto exit;
            }
        }
        else {
            _PyArg_BadArgument("ParserCreate", "argument 'encoding'", "str or None", args[0]);
            goto exit;
        }
        if (!--noptargs) {
            goto skip_optional_pos;
        }
    }
    if (args[1]) {
        if (args[1] == Py_None) {
            namespace_separator = NULL;
        }
        else if (PyUnicode_Check(args[1])) {
            Py_ssize_t namespace_separator_length;
            namespace_separator = PyUnicode_AsUTF8AndSize(args[1], &namespace_separator_length);
            if (namespace_separator == NULL) {
                goto exit;
            }
            if (strlen(namespace_separator) != (size_t)namespace_separator_length) {
                PyErr_SetString(PyExc_ValueError, "embedded null character");
                goto exit;
            }
        }
        else {
            _PyArg_BadArgument("ParserCreate", "argument 'namespace_separator'", "str or None", args[1]);
            goto exit;
        }
        if (!--noptargs) {
            goto skip_optional_pos;
        }
    }
    intern = args[2];
skip_optional_pos:
    return_value = pyexpat_ParserCreate_impl(module, encoding, namespace_separator, intern);

exit:
    return return_value;
}

PyDoc_STRVAR(pyexpat_ErrorString__doc__,
"ErrorString($module, code, /)\n"
"--\n"
"\n"
"Returns string error for given number.");

#define PYEXPAT_ERRORSTRING_METHODDEF    \
    {"ErrorString", (PyCFunction)pyexpat_ErrorString, METH_O, pyexpat_ErrorString__doc__},

static PyObject *
pyexpat_ErrorString_impl(PyObject *module, long code);

static PyObject *
pyexpat_ErrorString(PyObject *module, PyObject *arg)
{
    PyObject *return_value = NULL;
    long code;

    code = PyLong_AsLong(arg);
    if (code == -1 && PyErr_Occurred()) {
        goto exit;
    }
    return_value = pyexpat_ErrorString_impl(module, code);

exit:
    return return_value;
}

#ifndef PYEXPAT_XMLPARSER_USEFOREIGNDTD_METHODDEF
    #define PYEXPAT_XMLPARSER_USEFOREIGNDTD_METHODDEF
#endif /* !defined(PYEXPAT_XMLPARSER_USEFOREIGNDTD_METHODDEF) */

#ifndef PYEXPAT_XMLPARSER_SETALLOCTRACKERACTIVATIONTHRESHOLD_METHODDEF
    #define PYEXPAT_XMLPARSER_SETALLOCTRACKERACTIVATIONTHRESHOLD_METHODDEF
#endif /* !defined(PYEXPAT_XMLPARSER_SETALLOCTRACKERACTIVATIONTHRESHOLD_METHODDEF) */

#ifndef PYEXPAT_XMLPARSER_SETALLOCTRACKERMAXIMUMAMPLIFICATION_METHODDEF
    #define PYEXPAT_XMLPARSER_SETALLOCTRACKERMAXIMUMAMPLIFICATION_METHODDEF
#endif /* !defined(PYEXPAT_XMLPARSER_SETALLOCTRACKERMAXIMUMAMPLIFICATION_METHODDEF) */
/*[clinic end generated code: output=e73935658c04c83e input=a9049054013a1b77]*/