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bpo-37837: Add internal _PyLong_FromUnsignedChar() function #15251

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sir-sigurd wants to merge 2 commits into from
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bpo-37837: Add internal _PyLong_FromUnsignedChar() function #15251

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9099407
bpo-37837: Add internal _PyLong_FromUnsignedChar() function
sir-sigurd Aug 10, 2019
843f3f5
Use _PyLong_FromUnsignedChar() for bytes and bytearray
sir-sigurd Aug 10, 2019
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18 changes: 18 additions & 0 deletions 18 Include/internal/pycore_longobject.h
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Original file line number Diff line number Diff line change
@@ -0,0 +1,18 @@
#ifndef Py_INTERNAL_LONGOBJECT_H
#define Py_INTERNAL_LONGOBJECT_H
#ifdef __cplusplus
extern "C" {
#endif

#ifndef Py_BUILD_CORE
# error "this header requires Py_BUILD_CORE define"
#endif

#include "longobject.h"

PyAPI_FUNC(PyObject *) _PyLong_FromUnsignedChar(unsigned char);

#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_LONGOBJECT_H */
9 changes: 5 additions & 4 deletions 9 Objects/bytearrayobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@

#define PY_SSIZE_T_CLEAN
#include "Python.h"
#include "pycore_longobject.h"
#include "pycore_object.h"
#include "pycore_pymem.h"
#include "pycore_pystate.h"
Expand Down Expand Up @@ -387,7 +388,7 @@ bytearray_getitem(PyByteArrayObject *self, Py_ssize_t i)
PyErr_SetString(PyExc_IndexError, "bytearray index out of range");
return NULL;
}
return PyLong_FromLong((unsigned char)(PyByteArray_AS_STRING(self)[i]));
return _PyLong_FromUnsignedChar((unsigned char)(PyByteArray_AS_STRING(self)[i]));
}

static PyObject *
Expand All @@ -406,7 +407,7 @@ bytearray_subscript(PyByteArrayObject *self, PyObject *index)
PyErr_SetString(PyExc_IndexError, "bytearray index out of range");
return NULL;
}
return PyLong_FromLong((unsigned char)(PyByteArray_AS_STRING(self)[i]));
return _PyLong_FromUnsignedChar((unsigned char)(PyByteArray_AS_STRING(self)[i]));
}
else if (PySlice_Check(index)) {
Py_ssize_t start, stop, step, slicelength, i;
Expand Down Expand Up @@ -1745,7 +1746,7 @@ bytearray_pop_impl(PyByteArrayObject *self, Py_ssize_t index)
if (PyByteArray_Resize((PyObject *)self, n - 1) < 0)
return NULL;

return PyLong_FromLong((unsigned char)value);
return _PyLong_FromUnsignedChar((unsigned char)value);
}

/*[clinic input]
Expand Down Expand Up @@ -2339,7 +2340,7 @@ bytearrayiter_next(bytesiterobject *it)
assert(PyByteArray_Check(seq));

if (it->it_index < PyByteArray_GET_SIZE(seq)) {
item = PyLong_FromLong(
item = _PyLong_FromUnsignedChar(
(unsigned char)PyByteArray_AS_STRING(seq)[it->it_index]);
if (item != NULL)
++it->it_index;
Expand Down
7 changes: 4 additions & 3 deletions 7 Objects/bytesobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
#define PY_SSIZE_T_CLEAN

#include "Python.h"
#include "pycore_longobject.h"
#include "pycore_object.h"
#include "pycore_pymem.h"
#include "pycore_pystate.h"
Expand Down Expand Up @@ -1541,7 +1542,7 @@ bytes_item(PyBytesObject *a, Py_ssize_t i)
PyErr_SetString(PyExc_IndexError, "index out of range");
return NULL;
}
return PyLong_FromLong((unsigned char)a->ob_sval[i]);
return _PyLong_FromUnsignedChar((unsigned char)a->ob_sval[i]);
}

static int
Expand Down Expand Up @@ -1664,7 +1665,7 @@ bytes_subscript(PyBytesObject* self, PyObject* item)
"index out of range");
return NULL;
}
return PyLong_FromLong((unsigned char)self->ob_sval[i]);
return _PyLong_FromUnsignedChar((unsigned char)self->ob_sval[i]);
}
else if (PySlice_Check(item)) {
Py_ssize_t start, stop, step, slicelength, i;
Expand Down Expand Up @@ -3091,7 +3092,7 @@ striter_next(striterobject *it)
assert(PyBytes_Check(seq));

if (it->it_index < PyBytes_GET_SIZE(seq)) {
item = PyLong_FromLong(
item = _PyLong_FromUnsignedChar(
(unsigned char)seq->ob_sval[it->it_index]);
if (item != NULL)
++it->it_index;
Expand Down
6 changes: 6 additions & 0 deletions 6 Objects/longobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -402,6 +402,12 @@ PyLong_FromUnsignedLong(unsigned long ival)
return (PyObject *)v;
}

PyObject *
_PyLong_FromUnsignedChar(unsigned char ival)
{
return PyLong_FromSize_t(ival);
}

/* Create a new int object from a C double */

PyObject *
Expand Down
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