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[Emacs-diffs] emacs-26 b33808c: Give more helpful messages for python co
From: |
Noam Postavsky |
Subject: |
[Emacs-diffs] emacs-26 b33808c: Give more helpful messages for python completion setup failures |
Date: |
Mon, 2 Oct 2017 23:27:10 -0400 (EDT) |
branch: emacs-26
commit b33808ce77ef15c1f233790a2c93d9db4cc588ab
Author: Noam Postavsky <address@hidden>
Commit: Noam Postavsky <address@hidden>
Give more helpful messages for python completion setup failures
* lisp/progmodes/python.el (python-shell-completion-native-setup): In
case the completion setup failed with some exception, print out the
exception type and message. If libedit is detected, raise an
exception, since this is known to fail.
---
lisp/progmodes/python.el | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/lisp/progmodes/python.el b/lisp/progmodes/python.el
index 365191c..9aa5134 100644
--- a/lisp/progmodes/python.el
+++ b/lisp/progmodes/python.el
@@ -3442,6 +3442,8 @@ def __PYTHON_EL_native_completion_setup():
instance.rlcomplete = new_completer
if readline.__doc__ and 'libedit' in readline.__doc__:
+ raise Exception('''libedit based readline is known not to work,
+ see etc/PROBLEMS under \"In Inferior Python mode, input is echoed\".''')
readline.parse_and_bind('bind ^I rl_complete')
else:
readline.parse_and_bind('tab: complete')
@@ -3450,7 +3452,9 @@ def __PYTHON_EL_native_completion_setup():
print ('python.el: native completion setup loaded')
except:
- print ('python.el: native completion setup failed')
+ import sys
+ print ('python.el: native completion setup failed, %s: %s'
+ % sys.exc_info()[:2])
__PYTHON_EL_native_completion_setup()" process)
(when (and
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