Fix #5036: quickstart: Typing Ctrl-U clears the whole of line

1 files changed, 10 insertions, 4 deletions

diff --git a/sphinx/cmd/quickstart.py b/sphinx/cmd/quickstart.py
index 68718eeaf..8b928b478 100644
--- a/sphinx/cmd/quickstart.py
+++ b/sphinx/cmd/quickstart.py
@@ -38,7 +38,7 @@ from six.moves.urllib.parse import quote as urlquote
 from sphinx import __display_version__, package_dir
 from sphinx.util import texescape
 from sphinx.util.console import (  # type: ignore
-    purple, bold, red, turquoise, nocolor, color_terminal
+    colorize, bold, red, turquoise, nocolor, color_terminal
 )
 from sphinx.util.osutil import ensuredir, make_filename
 from sphinx.util.template import SphinxRenderer
@@ -82,8 +82,14 @@ PROMPT_PREFIX = '> '
 # function to get input from terminal -- overridden by the test suite
 def term_input(prompt):
     # type: (unicode) -> unicode
-    print(prompt, end='')
-    return input('')
+    if sys.platform == 'win32':
+        # Important: On windows, readline is not enabled by default.  In these
+        #            environment, escape sequences have been broken.  To avoid the
+        #            problem, quickstart uses ``print()`` to show prompt.
+        print(prompt, end='')
+        return input('')
+    else:
+        return input(prompt)
 
 
 class ValidationError(Exception):
@@ -183,7 +189,7 @@ def do_prompt(text, default=None, validator=nonempty):
                         prompt = prompt.encode('utf-8')
                     except UnicodeEncodeError:
                         prompt = prompt.encode('latin1')
-        prompt = purple(prompt)
+        prompt = colorize('purple', prompt, input_mode=True)
         x = term_input(prompt).strip()
         if default and not x:
             x = default