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authorBenjamin Peterson <benjamin@python.org>2013-05-17 22:34:30 (GMT)
committerBenjamin Peterson <benjamin@python.org>2013-05-17 22:34:30 (GMT)
commitd2b58a9880d119b20e1fc1c82a3e2e2d9eaa0817 (patch)
tree2b45e6e8db8d100937e4e0edfefc5470216c3f1d /Objects
parent36f74aa7f711c9defc01ab8522117b2b7db8ccd3 (diff)
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only recursively expand in the format spec (closes #17644)
Diffstat (limited to 'Objects')
-rw-r--r--Objects/stringlib/unicode_format.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/Objects/stringlib/unicode_format.h b/Objects/stringlib/unicode_format.h
index e9be516..c1c2cf3 100644
--- a/Objects/stringlib/unicode_format.h
+++ b/Objects/stringlib/unicode_format.h
@@ -638,7 +638,7 @@ MarkupIterator_next(MarkupIterator *self, SubString *literal,
SubString *format_spec, Py_UCS4 *conversion,
int *format_spec_needs_expanding)
{
- int at_end;
+ int at_end, hit_format_spec;
Py_UCS4 c = 0;
Py_ssize_t start;
int count;
@@ -723,12 +723,18 @@ MarkupIterator_next(MarkupIterator *self, SubString *literal,
/* we know we can't have a zero length string, so don't worry
about that case */
+ hit_format_spec = 0;
while (self->str.start < self->str.end) {
switch (c = PyUnicode_READ_CHAR(self->str.str, self->str.start++)) {
+ case ':':
+ hit_format_spec = 1;
+ count = 1;
+ break;
case '{':
/* the format spec needs to be recursively expanded.
this is an optimization, and not strictly needed */
- *format_spec_needs_expanding = 1;
+ if (hit_format_spec)
+ *format_spec_needs_expanding = 1;
count++;
break;
case '}':