Skip to content

gh-132661: Add default value (of "") for Interpolation.expression #136441

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 9 commits into from
Jul 10, 2025
+58 −27
Merged

gh-132661: Add default value (of "") for Interpolation.expression #136441

Show file tree
Hide file tree
Changes from 4 commits
Commits
Show all changes
9 commits
Select commit Hold shift + click to select a range
e623f20
Add default for `Interpolation.expression` of `""`
davepeck Jul 8, 2025
80ae523
Blurb the Interpolation.expression default.
davepeck Jul 8, 2025
cd5627a
Merge branch 'main' into pep750-expression-default
davepeck Jul 8, 2025
d733d11
Merge branch 'main' into pep750-expression-default
davepeck Jul 9, 2025
88423e5
Merge branch 'main' into pep750-expression-default
davepeck Jul 9, 2025
c8976f4
Add support for Interpolation default values.
davepeck Jul 9, 2025
9cc1cc4
Merge branch 'main' into pep750-expression-default
davepeck Jul 9, 2025
879a0d7
I think I prefer this more explicit implementation of assertInterpola…
davepeck Jul 9, 2025
17a6ef2
Merge branch 'main' into pep750-expression-default
davepeck Jul 9, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions Misc/NEWS.d/next/Core_and_Builtins/2025-07-08-23-53-51.gh-issue-132661.B84iYt.rst
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
``Interpolation.expression`` now has a default, the empty string.
23 changes: 14 additions & 9 deletions Objects/clinic/interpolationobject.c.h
View file
Open in desktop

Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.

4 changes: 2 additions & 2 deletions Objects/interpolationobject.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -54,7 +54,7 @@ typedef struct {
Interpolation.__new__ as interpolation_new

value: object
expression: object(subclass_of='&PyUnicode_Type')
expression: object(subclass_of='&PyUnicode_Type', c_default='&_Py_STR(empty)') = ""
conversion: object(converter='_conversion_converter') = None
format_spec: object(subclass_of='&PyUnicode_Type', c_default='&_Py_STR(empty)') = ""
[clinic start generated code]*/
Expand All @@ -63,7 +63,7 @@ static PyObject *
interpolation_new_impl(PyTypeObject *type, PyObject *value,
PyObject *expression, PyObject *conversion,
PyObject *format_spec)
/*[clinic end generated code: output=6488e288765bc1a9 input=d91711024068528c]*/
/*[clinic end generated code: output=6488e288765bc1a9 input=fc5c285c1dd23d36]*/
{
interpolationobject *self = PyObject_GC_New(interpolationobject, type);
if (!self) {
Expand Down
Loading