Commit b33808ce authored by Noam Postavsky's avatar Noam Postavsky

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.
parent f6efc067
......@@ -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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