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authorEric V. Smith <ericvsmith@users.noreply.github.com>2019-05-08 20:28:48 (GMT)
committerGitHub <noreply@github.com>2019-05-08 20:28:48 (GMT)
commit9a4135e939bc223f592045a38e0f927ba170da32 (patch)
treede347c6f2df801dc98b36ab5084dada335741517 /Python/ast_unparse.c
parent65d98d0f53f558d7c799098da0abf376068c15fd (diff)
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bpo-36817: Add f-string debugging using '='. (GH-13123)
If a "=" is specified a the end of an f-string expression, the f-string will evaluate to the text of the expression, followed by '=', followed by the repr of the value of the expression.
Diffstat (limited to 'Python/ast_unparse.c')
-rw-r--r--Python/ast_unparse.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/Python/ast_unparse.c b/Python/ast_unparse.c
index 916ad5f..25a5c69 100644
--- a/Python/ast_unparse.c
+++ b/Python/ast_unparse.c
@@ -655,6 +655,11 @@ append_formattedvalue(_PyUnicodeWriter *writer, expr_ty e, bool is_format_spec)
}
Py_DECREF(temp_fv_str);
+ if (e->v.FormattedValue.expr_text) {
+ /* Use the = for debug text expansion. */
+ APPEND_STR("=");
+ }
+
if (e->v.FormattedValue.conversion > 0) {
switch (e->v.FormattedValue.conversion) {
case 'a':