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      1 /*[clinic input]
      2 preserve
      3 [clinic start generated code]*/
      4 
      5 PyDoc_STRVAR(builtin_abs__doc__,
      6 "abs($module, x, /)\n"
      7 "--\n"
      8 "\n"
      9 "Return the absolute value of the argument.");
     10 
     11 #define BUILTIN_ABS_METHODDEF    \
     12     {"abs", (PyCFunction)builtin_abs, METH_O, builtin_abs__doc__},
     13 
     14 PyDoc_STRVAR(builtin_all__doc__,
     15 "all($module, iterable, /)\n"
     16 "--\n"
     17 "\n"
     18 "Return True if bool(x) is True for all values x in the iterable.\n"
     19 "\n"
     20 "If the iterable is empty, return True.");
     21 
     22 #define BUILTIN_ALL_METHODDEF    \
     23     {"all", (PyCFunction)builtin_all, METH_O, builtin_all__doc__},
     24 
     25 PyDoc_STRVAR(builtin_any__doc__,
     26 "any($module, iterable, /)\n"
     27 "--\n"
     28 "\n"
     29 "Return True if bool(x) is True for any x in the iterable.\n"
     30 "\n"
     31 "If the iterable is empty, return False.");
     32 
     33 #define BUILTIN_ANY_METHODDEF    \
     34     {"any", (PyCFunction)builtin_any, METH_O, builtin_any__doc__},
     35 
     36 PyDoc_STRVAR(builtin_ascii__doc__,
     37 "ascii($module, obj, /)\n"
     38 "--\n"
     39 "\n"
     40 "Return an ASCII-only representation of an object.\n"
     41 "\n"
     42 "As repr(), return a string containing a printable representation of an\n"
     43 "object, but escape the non-ASCII characters in the string returned by\n"
     44 "repr() using \\\\x, \\\\u or \\\\U escapes. This generates a string similar\n"
     45 "to that returned by repr() in Python 2.");
     46 
     47 #define BUILTIN_ASCII_METHODDEF    \
     48     {"ascii", (PyCFunction)builtin_ascii, METH_O, builtin_ascii__doc__},
     49 
     50 PyDoc_STRVAR(builtin_bin__doc__,
     51 "bin($module, number, /)\n"
     52 "--\n"
     53 "\n"
     54 "Return the binary representation of an integer.\n"
     55 "\n"
     56 "   >>> bin(2796202)\n"
     57 "   \'0b1010101010101010101010\'");
     58 
     59 #define BUILTIN_BIN_METHODDEF    \
     60     {"bin", (PyCFunction)builtin_bin, METH_O, builtin_bin__doc__},
     61 
     62 PyDoc_STRVAR(builtin_callable__doc__,
     63 "callable($module, obj, /)\n"
     64 "--\n"
     65 "\n"
     66 "Return whether the object is callable (i.e., some kind of function).\n"
     67 "\n"
     68 "Note that classes are callable, as are instances of classes with a\n"
     69 "__call__() method.");
     70 
     71 #define BUILTIN_CALLABLE_METHODDEF    \
     72     {"callable", (PyCFunction)builtin_callable, METH_O, builtin_callable__doc__},
     73 
     74 PyDoc_STRVAR(builtin_format__doc__,
     75 "format($module, value, format_spec=\'\', /)\n"
     76 "--\n"
     77 "\n"
     78 "Return value.__format__(format_spec)\n"
     79 "\n"
     80 "format_spec defaults to the empty string.\n"
     81 "See the Format Specification Mini-Language section of help(\'FORMATTING\') for\n"
     82 "details.");
     83 
     84 #define BUILTIN_FORMAT_METHODDEF    \
     85     {"format", (PyCFunction)builtin_format, METH_FASTCALL, builtin_format__doc__},
     86 
     87 static PyObject *
     88 builtin_format_impl(PyObject *module, PyObject *value, PyObject *format_spec);
     89 
     90 static PyObject *
     91 builtin_format(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
     92 {
     93     PyObject *return_value = NULL;
     94     PyObject *value;
     95     PyObject *format_spec = NULL;
     96 
     97     if (!_PyArg_ParseStack(args, nargs, "O|U:format",
     98         &value, &format_spec)) {
     99         goto exit;
    100     }
    101     return_value = builtin_format_impl(module, value, format_spec);
    102 
    103 exit:
    104     return return_value;
    105 }
    106 
    107 PyDoc_STRVAR(builtin_chr__doc__,
    108 "chr($module, i, /)\n"
    109 "--\n"
    110 "\n"
    111 "Return a Unicode string of one character with ordinal i; 0 <= i <= 0x10ffff.");
    112 
    113 #define BUILTIN_CHR_METHODDEF    \
    114     {"chr", (PyCFunction)builtin_chr, METH_O, builtin_chr__doc__},
    115 
    116 static PyObject *
    117 builtin_chr_impl(PyObject *module, int i);
    118 
    119 static PyObject *
    120 builtin_chr(PyObject *module, PyObject *arg)
    121 {
    122     PyObject *return_value = NULL;
    123     int i;
    124 
    125     if (!PyArg_Parse(arg, "i:chr", &i)) {
    126         goto exit;
    127     }
    128     return_value = builtin_chr_impl(module, i);
    129 
    130 exit:
    131     return return_value;
    132 }
    133 
    134 PyDoc_STRVAR(builtin_compile__doc__,
    135 "compile($module, /, source, filename, mode, flags=0,\n"
    136 "        dont_inherit=False, optimize=-1)\n"
    137 "--\n"
    138 "\n"
    139 "Compile source into a code object that can be executed by exec() or eval().\n"
    140 "\n"
    141 "The source code may represent a Python module, statement or expression.\n"
    142 "The filename will be used for run-time error messages.\n"
    143 "The mode must be \'exec\' to compile a module, \'single\' to compile a\n"
    144 "single (interactive) statement, or \'eval\' to compile an expression.\n"
    145 "The flags argument, if present, controls which future statements influence\n"
    146 "the compilation of the code.\n"
    147 "The dont_inherit argument, if true, stops the compilation inheriting\n"
    148 "the effects of any future statements in effect in the code calling\n"
    149 "compile; if absent or false these statements do influence the compilation,\n"
    150 "in addition to any features explicitly specified.");
    151 
    152 #define BUILTIN_COMPILE_METHODDEF    \
    153     {"compile", (PyCFunction)builtin_compile, METH_FASTCALL|METH_KEYWORDS, builtin_compile__doc__},
    154 
    155 static PyObject *
    156 builtin_compile_impl(PyObject *module, PyObject *source, PyObject *filename,
    157                      const char *mode, int flags, int dont_inherit,
    158                      int optimize);
    159 
    160 static PyObject *
    161 builtin_compile(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
    162 {
    163     PyObject *return_value = NULL;
    164     static const char * const _keywords[] = {"source", "filename", "mode", "flags", "dont_inherit", "optimize", NULL};
    165     static _PyArg_Parser _parser = {"OO&s|iii:compile", _keywords, 0};
    166     PyObject *source;
    167     PyObject *filename;
    168     const char *mode;
    169     int flags = 0;
    170     int dont_inherit = 0;
    171     int optimize = -1;
    172 
    173     if (!_PyArg_ParseStackAndKeywords(args, nargs, kwnames, &_parser,
    174         &source, PyUnicode_FSDecoder, &filename, &mode, &flags, &dont_inherit, &optimize)) {
    175         goto exit;
    176     }
    177     return_value = builtin_compile_impl(module, source, filename, mode, flags, dont_inherit, optimize);
    178 
    179 exit:
    180     return return_value;
    181 }
    182 
    183 PyDoc_STRVAR(builtin_divmod__doc__,
    184 "divmod($module, x, y, /)\n"
    185 "--\n"
    186 "\n"
    187 "Return the tuple (x//y, x%y).  Invariant: div*y + mod == x.");
    188 
    189 #define BUILTIN_DIVMOD_METHODDEF    \
    190     {"divmod", (PyCFunction)builtin_divmod, METH_FASTCALL, builtin_divmod__doc__},
    191 
    192 static PyObject *
    193 builtin_divmod_impl(PyObject *module, PyObject *x, PyObject *y);
    194 
    195 static PyObject *
    196 builtin_divmod(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
    197 {
    198     PyObject *return_value = NULL;
    199     PyObject *x;
    200     PyObject *y;
    201 
    202     if (!_PyArg_UnpackStack(args, nargs, "divmod",
    203         2, 2,
    204         &x, &y)) {
    205         goto exit;
    206     }
    207     return_value = builtin_divmod_impl(module, x, y);
    208 
    209 exit:
    210     return return_value;
    211 }
    212 
    213 PyDoc_STRVAR(builtin_eval__doc__,
    214 "eval($module, source, globals=None, locals=None, /)\n"
    215 "--\n"
    216 "\n"
    217 "Evaluate the given source in the context of globals and locals.\n"
    218 "\n"
    219 "The source may be a string representing a Python expression\n"
    220 "or a code object as returned by compile().\n"
    221 "The globals must be a dictionary and locals can be any mapping,\n"
    222 "defaulting to the current globals and locals.\n"
    223 "If only globals is given, locals defaults to it.");
    224 
    225 #define BUILTIN_EVAL_METHODDEF    \
    226     {"eval", (PyCFunction)builtin_eval, METH_FASTCALL, builtin_eval__doc__},
    227 
    228 static PyObject *
    229 builtin_eval_impl(PyObject *module, PyObject *source, PyObject *globals,
    230                   PyObject *locals);
    231 
    232 static PyObject *
    233 builtin_eval(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
    234 {
    235     PyObject *return_value = NULL;
    236     PyObject *source;
    237     PyObject *globals = Py_None;
    238     PyObject *locals = Py_None;
    239 
    240     if (!_PyArg_UnpackStack(args, nargs, "eval",
    241         1, 3,
    242         &source, &globals, &locals)) {
    243         goto exit;
    244     }
    245     return_value = builtin_eval_impl(module, source, globals, locals);
    246 
    247 exit:
    248     return return_value;
    249 }
    250 
    251 PyDoc_STRVAR(builtin_exec__doc__,
    252 "exec($module, source, globals=None, locals=None, /)\n"
    253 "--\n"
    254 "\n"
    255 "Execute the given source in the context of globals and locals.\n"
    256 "\n"
    257 "The source may be a string representing one or more Python statements\n"
    258 "or a code object as returned by compile().\n"
    259 "The globals must be a dictionary and locals can be any mapping,\n"
    260 "defaulting to the current globals and locals.\n"
    261 "If only globals is given, locals defaults to it.");
    262 
    263 #define BUILTIN_EXEC_METHODDEF    \
    264     {"exec", (PyCFunction)builtin_exec, METH_FASTCALL, builtin_exec__doc__},
    265 
    266 static PyObject *
    267 builtin_exec_impl(PyObject *module, PyObject *source, PyObject *globals,
    268                   PyObject *locals);
    269 
    270 static PyObject *
    271 builtin_exec(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
    272 {
    273     PyObject *return_value = NULL;
    274     PyObject *source;
    275     PyObject *globals = Py_None;
    276     PyObject *locals = Py_None;
    277 
    278     if (!_PyArg_UnpackStack(args, nargs, "exec",
    279         1, 3,
    280         &source, &globals, &locals)) {
    281         goto exit;
    282     }
    283     return_value = builtin_exec_impl(module, source, globals, locals);
    284 
    285 exit:
    286     return return_value;
    287 }
    288 
    289 PyDoc_STRVAR(builtin_globals__doc__,
    290 "globals($module, /)\n"
    291 "--\n"
    292 "\n"
    293 "Return the dictionary containing the current scope\'s global variables.\n"
    294 "\n"
    295 "NOTE: Updates to this dictionary *will* affect name lookups in the current\n"
    296 "global scope and vice-versa.");
    297 
    298 #define BUILTIN_GLOBALS_METHODDEF    \
    299     {"globals", (PyCFunction)builtin_globals, METH_NOARGS, builtin_globals__doc__},
    300 
    301 static PyObject *
    302 builtin_globals_impl(PyObject *module);
    303 
    304 static PyObject *
    305 builtin_globals(PyObject *module, PyObject *Py_UNUSED(ignored))
    306 {
    307     return builtin_globals_impl(module);
    308 }
    309 
    310 PyDoc_STRVAR(builtin_hasattr__doc__,
    311 "hasattr($module, obj, name, /)\n"
    312 "--\n"
    313 "\n"
    314 "Return whether the object has an attribute with the given name.\n"
    315 "\n"
    316 "This is done by calling getattr(obj, name) and catching AttributeError.");
    317 
    318 #define BUILTIN_HASATTR_METHODDEF    \
    319     {"hasattr", (PyCFunction)builtin_hasattr, METH_FASTCALL, builtin_hasattr__doc__},
    320 
    321 static PyObject *
    322 builtin_hasattr_impl(PyObject *module, PyObject *obj, PyObject *name);
    323 
    324 static PyObject *
    325 builtin_hasattr(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
    326 {
    327     PyObject *return_value = NULL;
    328     PyObject *obj;
    329     PyObject *name;
    330 
    331     if (!_PyArg_UnpackStack(args, nargs, "hasattr",
    332         2, 2,
    333         &obj, &name)) {
    334         goto exit;
    335     }
    336     return_value = builtin_hasattr_impl(module, obj, name);
    337 
    338 exit:
    339     return return_value;
    340 }
    341 
    342 PyDoc_STRVAR(builtin_id__doc__,
    343 "id($module, obj, /)\n"
    344 "--\n"
    345 "\n"
    346 "Return the identity of an object.\n"
    347 "\n"
    348 "This is guaranteed to be unique among simultaneously existing objects.\n"
    349 "(CPython uses the object\'s memory address.)");
    350 
    351 #define BUILTIN_ID_METHODDEF    \
    352     {"id", (PyCFunction)builtin_id, METH_O, builtin_id__doc__},
    353 
    354 PyDoc_STRVAR(builtin_setattr__doc__,
    355 "setattr($module, obj, name, value, /)\n"
    356 "--\n"
    357 "\n"
    358 "Sets the named attribute on the given object to the specified value.\n"
    359 "\n"
    360 "setattr(x, \'y\', v) is equivalent to ``x.y = v\'\'");
    361 
    362 #define BUILTIN_SETATTR_METHODDEF    \
    363     {"setattr", (PyCFunction)builtin_setattr, METH_FASTCALL, builtin_setattr__doc__},
    364 
    365 static PyObject *
    366 builtin_setattr_impl(PyObject *module, PyObject *obj, PyObject *name,
    367                      PyObject *value);
    368 
    369 static PyObject *
    370 builtin_setattr(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
    371 {
    372     PyObject *return_value = NULL;
    373     PyObject *obj;
    374     PyObject *name;
    375     PyObject *value;
    376 
    377     if (!_PyArg_UnpackStack(args, nargs, "setattr",
    378         3, 3,
    379         &obj, &name, &value)) {
    380         goto exit;
    381     }
    382     return_value = builtin_setattr_impl(module, obj, name, value);
    383 
    384 exit:
    385     return return_value;
    386 }
    387 
    388 PyDoc_STRVAR(builtin_delattr__doc__,
    389 "delattr($module, obj, name, /)\n"
    390 "--\n"
    391 "\n"
    392 "Deletes the named attribute from the given object.\n"
    393 "\n"
    394 "delattr(x, \'y\') is equivalent to ``del x.y\'\'");
    395 
    396 #define BUILTIN_DELATTR_METHODDEF    \
    397     {"delattr", (PyCFunction)builtin_delattr, METH_FASTCALL, builtin_delattr__doc__},
    398 
    399 static PyObject *
    400 builtin_delattr_impl(PyObject *module, PyObject *obj, PyObject *name);
    401 
    402 static PyObject *
    403 builtin_delattr(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
    404 {
    405     PyObject *return_value = NULL;
    406     PyObject *obj;
    407     PyObject *name;
    408 
    409     if (!_PyArg_UnpackStack(args, nargs, "delattr",
    410         2, 2,
    411         &obj, &name)) {
    412         goto exit;
    413     }
    414     return_value = builtin_delattr_impl(module, obj, name);
    415 
    416 exit:
    417     return return_value;
    418 }
    419 
    420 PyDoc_STRVAR(builtin_hash__doc__,
    421 "hash($module, obj, /)\n"
    422 "--\n"
    423 "\n"
    424 "Return the hash value for the given object.\n"
    425 "\n"
    426 "Two objects that compare equal must also have the same hash value, but the\n"
    427 "reverse is not necessarily true.");
    428 
    429 #define BUILTIN_HASH_METHODDEF    \
    430     {"hash", (PyCFunction)builtin_hash, METH_O, builtin_hash__doc__},
    431 
    432 PyDoc_STRVAR(builtin_hex__doc__,
    433 "hex($module, number, /)\n"
    434 "--\n"
    435 "\n"
    436 "Return the hexadecimal representation of an integer.\n"
    437 "\n"
    438 "   >>> hex(12648430)\n"
    439 "   \'0xc0ffee\'");
    440 
    441 #define BUILTIN_HEX_METHODDEF    \
    442     {"hex", (PyCFunction)builtin_hex, METH_O, builtin_hex__doc__},
    443 
    444 PyDoc_STRVAR(builtin_len__doc__,
    445 "len($module, obj, /)\n"
    446 "--\n"
    447 "\n"
    448 "Return the number of items in a container.");
    449 
    450 #define BUILTIN_LEN_METHODDEF    \
    451     {"len", (PyCFunction)builtin_len, METH_O, builtin_len__doc__},
    452 
    453 PyDoc_STRVAR(builtin_locals__doc__,
    454 "locals($module, /)\n"
    455 "--\n"
    456 "\n"
    457 "Return a dictionary containing the current scope\'s local variables.\n"
    458 "\n"
    459 "NOTE: Whether or not updates to this dictionary will affect name lookups in\n"
    460 "the local scope and vice-versa is *implementation dependent* and not\n"
    461 "covered by any backwards compatibility guarantees.");
    462 
    463 #define BUILTIN_LOCALS_METHODDEF    \
    464     {"locals", (PyCFunction)builtin_locals, METH_NOARGS, builtin_locals__doc__},
    465 
    466 static PyObject *
    467 builtin_locals_impl(PyObject *module);
    468 
    469 static PyObject *
    470 builtin_locals(PyObject *module, PyObject *Py_UNUSED(ignored))
    471 {
    472     return builtin_locals_impl(module);
    473 }
    474 
    475 PyDoc_STRVAR(builtin_oct__doc__,
    476 "oct($module, number, /)\n"
    477 "--\n"
    478 "\n"
    479 "Return the octal representation of an integer.\n"
    480 "\n"
    481 "   >>> oct(342391)\n"
    482 "   \'0o1234567\'");
    483 
    484 #define BUILTIN_OCT_METHODDEF    \
    485     {"oct", (PyCFunction)builtin_oct, METH_O, builtin_oct__doc__},
    486 
    487 PyDoc_STRVAR(builtin_ord__doc__,
    488 "ord($module, c, /)\n"
    489 "--\n"
    490 "\n"
    491 "Return the Unicode code point for a one-character string.");
    492 
    493 #define BUILTIN_ORD_METHODDEF    \
    494     {"ord", (PyCFunction)builtin_ord, METH_O, builtin_ord__doc__},
    495 
    496 PyDoc_STRVAR(builtin_pow__doc__,
    497 "pow($module, x, y, z=None, /)\n"
    498 "--\n"
    499 "\n"
    500 "Equivalent to x**y (with two arguments) or x**y % z (with three arguments)\n"
    501 "\n"
    502 "Some types, such as ints, are able to use a more efficient algorithm when\n"
    503 "invoked using the three argument form.");
    504 
    505 #define BUILTIN_POW_METHODDEF    \
    506     {"pow", (PyCFunction)builtin_pow, METH_FASTCALL, builtin_pow__doc__},
    507 
    508 static PyObject *
    509 builtin_pow_impl(PyObject *module, PyObject *x, PyObject *y, PyObject *z);
    510 
    511 static PyObject *
    512 builtin_pow(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
    513 {
    514     PyObject *return_value = NULL;
    515     PyObject *x;
    516     PyObject *y;
    517     PyObject *z = Py_None;
    518 
    519     if (!_PyArg_UnpackStack(args, nargs, "pow",
    520         2, 3,
    521         &x, &y, &z)) {
    522         goto exit;
    523     }
    524     return_value = builtin_pow_impl(module, x, y, z);
    525 
    526 exit:
    527     return return_value;
    528 }
    529 
    530 PyDoc_STRVAR(builtin_input__doc__,
    531 "input($module, prompt=None, /)\n"
    532 "--\n"
    533 "\n"
    534 "Read a string from standard input.  The trailing newline is stripped.\n"
    535 "\n"
    536 "The prompt string, if given, is printed to standard output without a\n"
    537 "trailing newline before reading input.\n"
    538 "\n"
    539 "If the user hits EOF (*nix: Ctrl-D, Windows: Ctrl-Z+Return), raise EOFError.\n"
    540 "On *nix systems, readline is used if available.");
    541 
    542 #define BUILTIN_INPUT_METHODDEF    \
    543     {"input", (PyCFunction)builtin_input, METH_FASTCALL, builtin_input__doc__},
    544 
    545 static PyObject *
    546 builtin_input_impl(PyObject *module, PyObject *prompt);
    547 
    548 static PyObject *
    549 builtin_input(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
    550 {
    551     PyObject *return_value = NULL;
    552     PyObject *prompt = NULL;
    553 
    554     if (!_PyArg_UnpackStack(args, nargs, "input",
    555         0, 1,
    556         &prompt)) {
    557         goto exit;
    558     }
    559     return_value = builtin_input_impl(module, prompt);
    560 
    561 exit:
    562     return return_value;
    563 }
    564 
    565 PyDoc_STRVAR(builtin_repr__doc__,
    566 "repr($module, obj, /)\n"
    567 "--\n"
    568 "\n"
    569 "Return the canonical string representation of the object.\n"
    570 "\n"
    571 "For many object types, including most builtins, eval(repr(obj)) == obj.");
    572 
    573 #define BUILTIN_REPR_METHODDEF    \
    574     {"repr", (PyCFunction)builtin_repr, METH_O, builtin_repr__doc__},
    575 
    576 PyDoc_STRVAR(builtin_round__doc__,
    577 "round($module, /, number, ndigits=None)\n"
    578 "--\n"
    579 "\n"
    580 "Round a number to a given precision in decimal digits.\n"
    581 "\n"
    582 "The return value is an integer if ndigits is omitted or None.  Otherwise\n"
    583 "the return value has the same type as the number.  ndigits may be negative.");
    584 
    585 #define BUILTIN_ROUND_METHODDEF    \
    586     {"round", (PyCFunction)builtin_round, METH_FASTCALL|METH_KEYWORDS, builtin_round__doc__},
    587 
    588 static PyObject *
    589 builtin_round_impl(PyObject *module, PyObject *number, PyObject *ndigits);
    590 
    591 static PyObject *
    592 builtin_round(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
    593 {
    594     PyObject *return_value = NULL;
    595     static const char * const _keywords[] = {"number", "ndigits", NULL};
    596     static _PyArg_Parser _parser = {"O|O:round", _keywords, 0};
    597     PyObject *number;
    598     PyObject *ndigits = NULL;
    599 
    600     if (!_PyArg_ParseStackAndKeywords(args, nargs, kwnames, &_parser,
    601         &number, &ndigits)) {
    602         goto exit;
    603     }
    604     return_value = builtin_round_impl(module, number, ndigits);
    605 
    606 exit:
    607     return return_value;
    608 }
    609 
    610 PyDoc_STRVAR(builtin_sum__doc__,
    611 "sum($module, iterable, start=0, /)\n"
    612 "--\n"
    613 "\n"
    614 "Return the sum of a \'start\' value (default: 0) plus an iterable of numbers\n"
    615 "\n"
    616 "When the iterable is empty, return the start value.\n"
    617 "This function is intended specifically for use with numeric values and may\n"
    618 "reject non-numeric types.");
    619 
    620 #define BUILTIN_SUM_METHODDEF    \
    621     {"sum", (PyCFunction)builtin_sum, METH_FASTCALL, builtin_sum__doc__},
    622 
    623 static PyObject *
    624 builtin_sum_impl(PyObject *module, PyObject *iterable, PyObject *start);
    625 
    626 static PyObject *
    627 builtin_sum(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
    628 {
    629     PyObject *return_value = NULL;
    630     PyObject *iterable;
    631     PyObject *start = NULL;
    632 
    633     if (!_PyArg_UnpackStack(args, nargs, "sum",
    634         1, 2,
    635         &iterable, &start)) {
    636         goto exit;
    637     }
    638     return_value = builtin_sum_impl(module, iterable, start);
    639 
    640 exit:
    641     return return_value;
    642 }
    643 
    644 PyDoc_STRVAR(builtin_isinstance__doc__,
    645 "isinstance($module, obj, class_or_tuple, /)\n"
    646 "--\n"
    647 "\n"
    648 "Return whether an object is an instance of a class or of a subclass thereof.\n"
    649 "\n"
    650 "A tuple, as in ``isinstance(x, (A, B, ...))``, may be given as the target to\n"
    651 "check against. This is equivalent to ``isinstance(x, A) or isinstance(x, B)\n"
    652 "or ...`` etc.");
    653 
    654 #define BUILTIN_ISINSTANCE_METHODDEF    \
    655     {"isinstance", (PyCFunction)builtin_isinstance, METH_FASTCALL, builtin_isinstance__doc__},
    656 
    657 static PyObject *
    658 builtin_isinstance_impl(PyObject *module, PyObject *obj,
    659                         PyObject *class_or_tuple);
    660 
    661 static PyObject *
    662 builtin_isinstance(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
    663 {
    664     PyObject *return_value = NULL;
    665     PyObject *obj;
    666     PyObject *class_or_tuple;
    667 
    668     if (!_PyArg_UnpackStack(args, nargs, "isinstance",
    669         2, 2,
    670         &obj, &class_or_tuple)) {
    671         goto exit;
    672     }
    673     return_value = builtin_isinstance_impl(module, obj, class_or_tuple);
    674 
    675 exit:
    676     return return_value;
    677 }
    678 
    679 PyDoc_STRVAR(builtin_issubclass__doc__,
    680 "issubclass($module, cls, class_or_tuple, /)\n"
    681 "--\n"
    682 "\n"
    683 "Return whether \'cls\' is a derived from another class or is the same class.\n"
    684 "\n"
    685 "A tuple, as in ``issubclass(x, (A, B, ...))``, may be given as the target to\n"
    686 "check against. This is equivalent to ``issubclass(x, A) or issubclass(x, B)\n"
    687 "or ...`` etc.");
    688 
    689 #define BUILTIN_ISSUBCLASS_METHODDEF    \
    690     {"issubclass", (PyCFunction)builtin_issubclass, METH_FASTCALL, builtin_issubclass__doc__},
    691 
    692 static PyObject *
    693 builtin_issubclass_impl(PyObject *module, PyObject *cls,
    694                         PyObject *class_or_tuple);
    695 
    696 static PyObject *
    697 builtin_issubclass(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
    698 {
    699     PyObject *return_value = NULL;
    700     PyObject *cls;
    701     PyObject *class_or_tuple;
    702 
    703     if (!_PyArg_UnpackStack(args, nargs, "issubclass",
    704         2, 2,
    705         &cls, &class_or_tuple)) {
    706         goto exit;
    707     }
    708     return_value = builtin_issubclass_impl(module, cls, class_or_tuple);
    709 
    710 exit:
    711     return return_value;
    712 }
    713 /*[clinic end generated code: output=9f17c7a87d740374 input=a9049054013a1b77]*/
    714