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Issue #16182: set_pre_input_hook() may not exist; document, and update test

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This commit is contained in:
Martin Panter 2016-06-14 08:45:43 +00:00
parent 11a693d330
commit 6afbc653a7
2 changed files with 20 additions and 9 deletions
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22
Lib/test/test_readline.py
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@ -129,24 +129,32 @@ class TestReadline(unittest.TestCase):
script = r"""import readline
if readline.__doc__ and "libedit" in readline.__doc__:
readline.parse_and_bind(r'bind ^B ed-prev-char')
readline.parse_and_bind(r'bind "\t" rl_complete')
is_editline = readline.__doc__ and "libedit" in readline.__doc__
inserted = "[\xEFnserted]"
macro = "|t\xEB[after]"
set_pre_input_hook = getattr(readline, "set_pre_input_hook", None)
if is_editline or not set_pre_input_hook:
# The insert_line() call via pre_input_hook() does nothing with Editline,
# so include the extra text that would have been inserted here
readline.parse_and_bind('bind -s ^A "[\xEFnserted]|t\xEB[after]"')
macro = inserted + macro
if is_editline:
readline.parse_and_bind(r'bind ^B ed-prev-char')
readline.parse_and_bind(r'bind "\t" rl_complete')
readline.parse_and_bind(r'bind -s ^A "{}"'.format(macro))
else:
readline.parse_and_bind(r'Control-b: backward-char')
readline.parse_and_bind(r'"\t": complete')
readline.parse_and_bind(r'set disable-completion off')
readline.parse_and_bind(r'set show-all-if-ambiguous off')
readline.parse_and_bind(r'set show-all-if-unmodified off')
readline.parse_and_bind('Control-a: "|t\xEB[after]"')
readline.parse_and_bind(r'Control-a: "{}"'.format(macro))
def pre_input_hook():
readline.insert_text("[\xEFnserted]")
readline.insert_text(inserted)
readline.redisplay()
readline.set_pre_input_hook(pre_input_hook)
if set_pre_input_hook:
set_pre_input_hook(pre_input_hook)
def completer(text, state):
if text == "t\xEB":