From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Tue, 9 Sep 2025 10:00:36 +0000 (+0200)
Subject: [3.14] gh-138577: Mention Unix-specific limitations of `getpass.getpass(echo_char... 
X-Git-Tag: v3.14.0rc3~61
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=2162fcc51ae925c1497fbff729e6683ec3c48bd2;p=thirdparty%2FPython%2Fcpython.git

[3.14] gh-138577: Mention Unix-specific limitations of `getpass.getpass(echo_char=...)` (GH-138677) (#138696)

Co-authored-by: yagggi <fakepoet0101@gmail.com>
---

diff --git a/Doc/library/getpass.rst b/Doc/library/getpass.rst
index 0fb0fc88683c..af9c9e9f39d9 100644
--- a/Doc/library/getpass.rst
+++ b/Doc/library/getpass.rst
@@ -39,6 +39,14 @@ The :mod:`getpass` module provides two functions:
       If you call getpass from within IDLE, the input may be done in the
       terminal you launched IDLE from rather than the idle window itself.
 
+   .. note::
+      On Unix systems, when *echo_char* is set, the terminal will be
+      configured to operate in
+      :manpage:`noncanonical mode <termios(3)#Canonical_and_noncanonical_mode>`.
+      In particular, this means that line editing shortcuts such as
+      :kbd:`Ctrl+U` will not work and may insert unexpected characters into
+      the input.
+
    .. versionchanged:: 3.14
       Added the *echo_char* parameter for keyboard feedback.