mirror of https://github.com/python/cpython
75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
/*[clinic input]
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preserve
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[clinic start generated code]*/
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PyDoc_STRVAR(memoryview_hex__doc__,
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"hex($self, /, sep=<unrepresentable>, bytes_per_sep=1)\n"
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"--\n"
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"\n"
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"Return the data in the buffer as a str of hexadecimal numbers.\n"
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"\n"
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" sep\n"
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" An optional single character or byte to separate hex bytes.\n"
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" bytes_per_sep\n"
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" How many bytes between separators. Positive values count from the\n"
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" right, negative values count from the left.\n"
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"\n"
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"Example:\n"
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">>> value = memoryview(b\'\\xb9\\x01\\xef\')\n"
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">>> value.hex()\n"
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"\'b901ef\'\n"
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">>> value.hex(\':\')\n"
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"\'b9:01:ef\'\n"
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">>> value.hex(\':\', 2)\n"
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"\'b9:01ef\'\n"
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">>> value.hex(\':\', -2)\n"
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"\'b901:ef\'");
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#define MEMORYVIEW_HEX_METHODDEF \
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{"hex", (PyCFunction)(void(*)(void))memoryview_hex, METH_FASTCALL|METH_KEYWORDS, memoryview_hex__doc__},
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static PyObject *
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memoryview_hex_impl(PyMemoryViewObject *self, PyObject *sep,
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int bytes_per_sep);
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static PyObject *
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memoryview_hex(PyMemoryViewObject *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
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{
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PyObject *return_value = NULL;
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static const char * const _keywords[] = {"sep", "bytes_per_sep", NULL};
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static _PyArg_Parser _parser = {NULL, _keywords, "hex", 0};
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PyObject *argsbuf[2];
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Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 0;
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PyObject *sep = NULL;
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int bytes_per_sep = 1;
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args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 0, 2, 0, argsbuf);
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if (!args) {
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goto exit;
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}
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if (!noptargs) {
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goto skip_optional_pos;
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}
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if (args[0]) {
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sep = args[0];
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if (!--noptargs) {
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goto skip_optional_pos;
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}
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}
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if (PyFloat_Check(args[1])) {
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PyErr_SetString(PyExc_TypeError,
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"integer argument expected, got float" );
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goto exit;
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}
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bytes_per_sep = _PyLong_AsInt(args[1]);
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if (bytes_per_sep == -1 && PyErr_Occurred()) {
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goto exit;
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}
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skip_optional_pos:
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return_value = memoryview_hex_impl(self, sep, bytes_per_sep);
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exit:
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return return_value;
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}
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/*[clinic end generated code: output=ee265a73f68b0077 input=a9049054013a1b77]*/
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