Oops - crash on IPython 7 #21
Description
I have extra need of readline, now prompt_toolkit seems to be broken for IPython 7:
But sadly, with IPython 7, current rlipython
$ ipython
Python 3.6.4 (default, Mar 22 2018, 14:11:17)
Type 'copyright', 'credits' or 'license' for more information
IPython 7.0.1 -- An enhanced Interactive Python. Type '?' for help.
In [1]: import os
Traceback (most recent call last):
File "/Users/brettmz/.virtualenvs/dsfe/bin/ipython", line 11, in <module>
sys.exit(start_ipython())
File "/Users/brettmz/.virtualenvs/dsfe/lib/python3.6/site-packages/IPython/__init__.py", line 125, in start_ipython
return launch_new_instance(argv=argv, **kwargs)
File "/Users/brettmz/.virtualenvs/dsfe/lib/python3.6/site-packages/traitlets/config/application.py", line 658, in launch_instance
app.start()
File "/Users/brettmz/.virtualenvs/dsfe/lib/python3.6/site-packages/IPython/terminal/ipapp.py", line 356, in start
self.shell.mainloop()
File "/Users/brettmz/dev_trees/rlipython/rlipython/shell.py", line 454, in mainloop
self.interact(display_banner=display_banner)
File "/Users/brettmz/dev_trees/rlipython/rlipython/shell.py", line 571, in interact
self.input_splitter.push(line)
AttributeError: 'TransformerManager' object has no attribute 'push'
If you suspect this is an IPython bug, please report it at:
https://github.com/ipython/ipython/issues
or send an email to the mailing list at ipython-dev@python.org
You can print a more detailed traceback right now with "%tb", or use "%debug"
to interactively debug it.
Extra-detailed tracebacks for bug-reporting purposes can be enabled via:
%config Application.verbose_crash=True
I did try patching it up, but I soon got lost. But I tried. Honest.
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Carreau commentedon Oct 12, 2018
Yeah the transformer APi have been changed to be simpler. rl ipython have not been updated to use it.
prittjam commentedon Jan 28, 2019
As I understand it, rlipython is not usable with ipython 7.x? I have the same problem.
luckjiff commentedon Feb 13, 2019
rlipython rocks! It was the only way I found to make emacs work with ipython 6.2.1 and have completion in the inferior shell. But you guys know this already. Why why why was prompt toolkit brought it without providing for readline? There are a lot of us emacs/python folks out here still right? Maybe not in 20 years... :)
WaterSibilantFalling commentedon Mar 27, 2019
great. so now I can't use ipython, 'cos it crashes on startup.
You do realize that you - the rlipython programmers - have ruined ipython for everyone who has installed rlipython?
Carreau commentedon Mar 27, 2019
Skip rlipython tests for IPython >= 7.0
keflavich commentedon Jul 7, 2019
I'm trying to find a fix, but haven't gotten too far yet. Just some notes in case anyone else wants to keep on with this:
input_splitteris now a property ofInteractiveShellthat points toinputtransformer2.TransformerManager. I'm not sure which method of that to use instead ofpush, though... that will take some more reading.WaterSibilantFalling commentedon Jul 7, 2019
EDIT: maybe this is the wrong bug/issue/ticket
I don't know if this helps, but after I tried to uninstall rlipython:
I still cannot use ipython:
(doesn't run)