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Fixed formatting with thousands separator and padding. Resolves issue 3140.

This commit is contained in:
Eric Smith 2008-06-24 11:11:59 +00:00
parent c72b787992
commit 5dce7e9a83
2 changed files with 21 additions and 13 deletions
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8
Lib/test/test_types.py
View File

@ -497,6 +497,14 @@ class TypesTests(unittest.TestCase):
# move to the next integer to test
x = x // 10
rfmt = ">20n"
lfmt = "<20n"
cfmt = "^20n"
for x in (1234, 12345, 123456, 1234567, 12345678, 123456789, 1234567890, 12345678900):
self.assertEqual(len(format(0, rfmt)), len(format(x, rfmt)))
self.assertEqual(len(format(0, lfmt)), len(format(x, lfmt)))
self.assertEqual(len(format(0, cfmt)), len(format(x, cfmt)))
def test_float__format__(self):
# these should be rewritten to use both format(x, spec) and
# x.__format__(spec)

26
Objects/stringlib/formatter.h
View File

@ -313,8 +313,8 @@ calc_number_widths(NumberFieldWidths *r, STRINGLIB_CHAR actual_sign,
as determined in _calc_integer_widths(). returns the pointer to
where the digits go. */
static STRINGLIB_CHAR *
fill_number(STRINGLIB_CHAR *p_buf, const NumberFieldWidths *spec,
Py_ssize_t n_digits, STRINGLIB_CHAR fill_char)
fill_non_digits(STRINGLIB_CHAR *p_buf, const NumberFieldWidths *spec,
Py_ssize_t n_digits, STRINGLIB_CHAR fill_char)
{
STRINGLIB_CHAR* p_digits;
@ -557,17 +557,17 @@ format_int_or_long_internal(PyObject *value, const InternalFormatSpec *format,
pnumeric_chars += leading_chars_to_skip;
}
/* Calculate the widths of the various leading and trailing parts */
calc_number_widths(&spec, sign, n_digits, format);
if (format->type == 'n')
/* Compute how many additional chars we need to allocate
to hold the thousands grouping. */
STRINGLIB_GROUPING(NULL, n_digits, n_digits,
0, &n_grouping_chars, 0);
/* Calculate the widths of the various leading and trailing parts */
calc_number_widths(&spec, sign, n_digits + n_grouping_chars, format);
/* Allocate a new string to hold the result */
result = STRINGLIB_NEW(NULL, spec.n_total + n_grouping_chars);
result = STRINGLIB_NEW(NULL, spec.n_total);
if (!result)
goto done;
p = STRINGLIB_STR(result);
@ -587,7 +587,7 @@ format_int_or_long_internal(PyObject *value, const InternalFormatSpec *format,
/* Insert the grouping, if any, after the uppercasing of 'X', so we can
ensure that grouping chars won't be affected. */
if (n_grouping_chars && format->type == 'n') {
if (n_grouping_chars) {
/* We know this can't fail, since we've already
reserved enough space. */
STRINGLIB_CHAR *pstart = p + n_leading_chars;
@ -597,9 +597,9 @@ format_int_or_long_internal(PyObject *value, const InternalFormatSpec *format,
assert(r);
}
/* Fill in the non-digit parts */
fill_number(p, &spec, n_digits,
format->fill_char == '\0' ? ' ' : format->fill_char);
/* Fill in the non-digit parts (padding, sign, etc.) */
fill_non_digits(p, &spec, n_digits + n_grouping_chars,
format->fill_char == '\0' ? ' ' : format->fill_char);
done:
Py_XDECREF(tmp);
@ -737,9 +737,9 @@ format_float_internal(PyObject *value,
if (result == NULL)
goto done;
/* fill in the non-digit parts */
fill_number(STRINGLIB_STR(result), &spec, n_digits,
format->fill_char == '\0' ? ' ' : format->fill_char);
/* Fill in the non-digit parts (padding, sign, etc.) */
fill_non_digits(STRINGLIB_STR(result), &spec, n_digits,
format->fill_char == '\0' ? ' ' : format->fill_char);
/* fill in the digit parts */
memmove(STRINGLIB_STR(result) +