[Python-checkins] gh-100776: Fix misleading default value in help(input) (#100788)

[kumaraditya303]

https://github.com/python/cpython/commit/a2141882f259e21bb09fa0b7cba8142147b9e3d7
commit: a2141882f259e21bb09fa0b7cba8142147b9e3d7
branch: main
author: Shantanu <12621235+hauntsaninja at users.noreply.github.com>
committer: kumaraditya303 <59607654+kumaraditya303 at users.noreply.github.com>
date: 2023-01-08T13:27:41+05:30
summary:

gh-100776: Fix misleading default value in help(input) (#100788)

files:
A Misc/NEWS.d/next/Core and Builtins/2023-01-06-02-02-11.gh-issue-100776.pP8xux.rst
M Python/bltinmodule.c
M Python/clinic/bltinmodule.c.h

diff --git a/Misc/NEWS.d/next/Core and Builtins/2023-01-06-02-02-11.gh-issue-100776.pP8xux.rst b/Misc/NEWS.d/next/Core and Builtins/2023-01-06-02-02-11.gh-issue-100776.pP8xux.rst
new file mode 100644
index 000000000000..b94121ea5f29
--- /dev/null
+++ b/Misc/NEWS.d/next/Core and Builtins/2023-01-06-02-02-11.gh-issue-100776.pP8xux.rst	
@@ -0,0 +1 @@
+Fix misleading default value in :func:`input`'s ``__text_signature__``.
diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index 9ebe4c8353d0..599cc18361ac 100644
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -2063,7 +2063,7 @@ builtin_print_impl(PyObject *module, PyObject *args, PyObject *sep,
 /*[clinic input]
 input as builtin_input
 
-    prompt: object(c_default="NULL") = None
+    prompt: object(c_default="NULL") = ""
     /
 
 Read a string from standard input.  The trailing newline is stripped.
@@ -2077,7 +2077,7 @@ On *nix systems, readline is used if available.
 
 static PyObject *
 builtin_input_impl(PyObject *module, PyObject *prompt)
-/*[clinic end generated code: output=83db5a191e7a0d60 input=5e8bb70c2908fe3c]*/
+/*[clinic end generated code: output=83db5a191e7a0d60 input=159c46d4ae40977e]*/
 {
     PyThreadState *tstate = _PyThreadState_GET();
     PyObject *fin = _PySys_GetAttr(
diff --git a/Python/clinic/bltinmodule.c.h b/Python/clinic/bltinmodule.c.h
index baf955558a21..b77b4a1e4b41 100644
--- a/Python/clinic/bltinmodule.c.h
+++ b/Python/clinic/bltinmodule.c.h
@@ -1126,7 +1126,7 @@ builtin_print(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObjec
 }
 
 PyDoc_STRVAR(builtin_input__doc__,
-"input($module, prompt=None, /)\n"
+"input($module, prompt=\'\', /)\n"
 "--\n"
 "\n"
 "Read a string from standard input.  The trailing newline is stripped.\n"
@@ -1409,4 +1409,4 @@ builtin_issubclass(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=0a6a8efe82cf8b81 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=84a04e7446debf58 input=a9049054013a1b77]*/