[Python-checkins] gh-98930: improve the docstring of signal.strsignal (#99290)
gpshead
webhook-mailer at python.org
Sun Nov 13 14:41:28 EST 2022
https://github.com/python/cpython/commit/88385b856490a5ce3c99160bde6050638f81f72e
commit: 88385b856490a5ce3c99160bde6050638f81f72e
branch: main
author: ram vikram singh <ramvikrams243 at gmail.com>
committer: gpshead <greg at krypto.org>
date: 2022-11-13T11:41:23-08:00
summary:
gh-98930: improve the docstring of signal.strsignal (#99290)
Improves the docstring on signal.strsignal to make it explain when it returns a message, None, or when it raises ValueError.
Closes #98930
Co-authored-by: Gregory P. Smith <greg at krypto.org>
files:
M Doc/library/signal.rst
M Modules/clinic/signalmodule.c.h
M Modules/signalmodule.c
diff --git a/Doc/library/signal.rst b/Doc/library/signal.rst
index 2269f50cbaff..6cca760583cc 100644
--- a/Doc/library/signal.rst
+++ b/Doc/library/signal.rst
@@ -362,9 +362,9 @@ The :mod:`signal` module defines the following functions:
.. function:: strsignal(signalnum)
- Return the system description of the signal *signalnum*, such as
- "Interrupt", "Segmentation fault", etc. Returns :const:`None` if the signal
- is not recognized.
+ Returns the description of signal *signalnum*, such as "Interrupt"
+ for :const:`SIGINT`. Returns :const:`None` if *signalnum* has no
+ description. Raises :exc:`ValueError` if *signalnum* is invalid.
.. versionadded:: 3.8
diff --git a/Modules/clinic/signalmodule.c.h b/Modules/clinic/signalmodule.c.h
index f0276c63df18..3b3c6ba150a1 100644
--- a/Modules/clinic/signalmodule.c.h
+++ b/Modules/clinic/signalmodule.c.h
@@ -211,8 +211,9 @@ PyDoc_STRVAR(signal_strsignal__doc__,
"\n"
"Return the system description of the given signal.\n"
"\n"
-"The return values can be such as \"Interrupt\", \"Segmentation fault\", etc.\n"
-"Returns None if the signal is not recognized.");
+"Returns the description of signal *signalnum*, such as \"Interrupt\"\n"
+"for :const:`SIGINT`. Returns :const:`None` if *signalnum* has no\n"
+"description. Raises :exc:`ValueError` if *signalnum* is invalid.");
#define SIGNAL_STRSIGNAL_METHODDEF \
{"strsignal", (PyCFunction)signal_strsignal, METH_O, signal_strsignal__doc__},
@@ -704,4 +705,4 @@ signal_pidfd_send_signal(PyObject *module, PyObject *const *args, Py_ssize_t nar
#ifndef SIGNAL_PIDFD_SEND_SIGNAL_METHODDEF
#define SIGNAL_PIDFD_SEND_SIGNAL_METHODDEF
#endif /* !defined(SIGNAL_PIDFD_SEND_SIGNAL_METHODDEF) */
-/*[clinic end generated code: output=f2a3321b32b0637c input=a9049054013a1b77]*/
+/*[clinic end generated code: output=2b54dc607f6e3146 input=a9049054013a1b77]*/
diff --git a/Modules/signalmodule.c b/Modules/signalmodule.c
index bdd3f4b2204e..c539787e5829 100644
--- a/Modules/signalmodule.c
+++ b/Modules/signalmodule.c
@@ -626,13 +626,14 @@ signal.strsignal
Return the system description of the given signal.
-The return values can be such as "Interrupt", "Segmentation fault", etc.
-Returns None if the signal is not recognized.
+Returns the description of signal *signalnum*, such as "Interrupt"
+for :const:`SIGINT`. Returns :const:`None` if *signalnum* has no
+description. Raises :exc:`ValueError` if *signalnum* is invalid.
[clinic start generated code]*/
static PyObject *
signal_strsignal_impl(PyObject *module, int signalnum)
-/*[clinic end generated code: output=44e12e1e3b666261 input=b77914b03f856c74]*/
+/*[clinic end generated code: output=44e12e1e3b666261 input=238b335847778bc0]*/
{
const char *res;
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