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Backport of PEP 3101, Advanced String Formatting, from py3k.

Browse source 
Highlights:
 - Adding PyObject_Format.
 - Adding string.Format class.
 - Adding __format__ for str, unicode, int, long, float, datetime.
 - Adding builtin format.
 - Adding ''.format and u''.format.
 - str/unicode fixups for formatters.

The files in Objects/stringlib that implement PEP 3101 (stringdefs.h,
unicodedefs.h, formatter.h, string_format.h) are identical in trunk
and py3k.  Any changes from here on should be made to trunk, and
changes will propogate to py3k).
This commit is contained in:
Eric Smith 2008-02-17 19:46:49 +00:00
parent e139688d34
commit a9f7d62480
27 changed files with 3873 additions and 23 deletions
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29
Objects/stringobject.c
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@ -4,6 +4,8 @@
#include "Python.h"
#include "formatter_string.h"
#include <ctype.h>
#ifdef COUNT_ALLOCS
@ -771,15 +773,7 @@ PyString_AsStringAndSize(register PyObject *obj,
/* -------------------------------------------------------------------- */
/* Methods */
#define STRINGLIB_CHAR char
#define STRINGLIB_CMP memcmp
#define STRINGLIB_LEN PyString_GET_SIZE
#define STRINGLIB_NEW PyString_FromStringAndSize
#define STRINGLIB_STR PyString_AS_STRING
#define STRINGLIB_EMPTY nullstring
#include "stringlib/stringdefs.h"
#include "stringlib/fastsearch.h"
#include "stringlib/count.h"
@ -3910,6 +3904,19 @@ string_getnewargs(PyStringObject *v)
return Py_BuildValue("(s#)", v->ob_sval, Py_SIZE(v));
}
#include "stringlib/string_format.h"
PyDoc_STRVAR(format__doc__,
"S.format(*args, **kwargs) -> unicode\n\
\n\
");
PyDoc_STRVAR(p_format__doc__,
"S.__format__(format_spec) -> unicode\n\
\n\
");
static PyMethodDef
string_methods[] = {
@ -3954,6 +3961,10 @@ string_methods[] = {
{"rjust", (PyCFunction)string_rjust, METH_VARARGS, rjust__doc__},
{"center", (PyCFunction)string_center, METH_VARARGS, center__doc__},
{"zfill", (PyCFunction)string_zfill, METH_VARARGS, zfill__doc__},
{"format", (PyCFunction) do_string_format, METH_VARARGS | METH_KEYWORDS, format__doc__},
{"__format__", (PyCFunction) string__format__, METH_VARARGS, p_format__doc__},
{"_formatter_field_name_split", (PyCFunction) formatter_field_name_split, METH_NOARGS},
{"_formatter_parser", (PyCFunction) formatter_parser, METH_NOARGS},
{"encode", (PyCFunction)string_encode, METH_VARARGS, encode__doc__},
{"decode", (PyCFunction)string_decode, METH_VARARGS, decode__doc__},
{"expandtabs", (PyCFunction)string_expandtabs, METH_VARARGS,