pythonrc with autocompletion! :)

.pythonrc

import atexit
import os
import sys
try:
    import readline
except ImportError:
    print("Module readline not available.")
else:
    import rlcompleter
    readline.parse_and_bind('tab:complete')
    print(".pythonrc :: AutoCompletion Loaded")

# History
historyPath = os.path.expanduser("~/.pyhistory")


def save_history(historyPath=historyPath):
    import readline
    readline.write_history_file(historyPath)
    print(".pythonrc :: history saved to " + historyPath)

if os.path.exists(historyPath):
    readline.read_history_file(historyPath)

atexit.register(save_history)

# anything not deleted (sys and os) will remain in the interpreter session
del atexit, readline, rlcompleter, save_history, historyPath

add export PYTHONSTARTUP=~/.pythonrc to your bashrc or zshrc file ;)

Hi,

I have installed python3.8. I did exactly as you said, and as a result all works fine with python2.7 but not with v3.8. How can I settle this.
Thank you very much.

Hi @bhavinmoriya

I wrote a blog post concerning this a long time ago, you can follow it here:
https://gableroux.com/python/2016/01/20/python-interpreter-autocomplete/

I confirm it still works fine with python3.8:

python3.8

Python 3.8.0 (default, Nov 21 2019, 15:20:55)
[Clang 11.0.0 (clang-1100.0.33.12)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
.pythonrc :: AutoCompletion Loaded
.pythonrc :: history file: /Users/gableroux/.pyhistory
>>> print('test')
test
>>> exit()
.pythonrc :: history saved to /Users/gableroux/.pyhistory

cat /Users/gableroux/.pyhistory

print('test')

Good luck and stay safe ✌️

Hi Gabriel, Thanks a lot for the prompt reply. The unfortunate thing is, on my system the following message shows up, Python 3.8.2 (default, Mar 23 2020, 18:52:10) [GCC 7.5.0] on linux Type "help", "copyright", "credits" or "license" for more information. Traceback (most recent call last): File "/home/bhavin/.pythonrc", line 6, in <module> import readline ModuleNotFoundError: No module named 'readline' I have no idea how to cope up with that. I did google and all with no success. Sorry for keep bugging you, I will be glad if you could help me out. I appreciate your time and effort. regards, Bhavin Moriya <https://sites.google.com/site/bhavinmoriya/> Assistant Professor The Federal University of Viçosa - Brazil. Departamento de Matemática <http://www.dma.ufv.br/> Av. P.H. Rolfs, s/n 36570-000 – Viçosa. Minas Gerais Brasil. My Blog https://livelifemaverick.blogspot.com/ "Only the gentle are ever really strong." - James Dean

…

On Sun, Mar 29, 2020 at 8:24 PM Gabriel Le Breton ***@***.***> wrote: ***@***.**** commented on this gist. ------------------------------ Hi @bhavinmoriya <https://github.com/bhavinmoriya> I wrote a blog post concerning this a long time ago, you can follow it here: https://gableroux.com/python/2016/01/20/python-interpreter-autocomplete/ I confirm it still works fine with python3.8: python3.8 Python 3.8.0 (default, Nov 21 2019, 15:20:55) [Clang 11.0.0 (clang-1100.0.33.12)] on darwin Type "help", "copyright", "credits" or "license" for more information. .pythonrc :: AutoCompletion Loaded .pythonrc :: history file: /Users/gableroux/.pyhistory >>> print('test') test >>> exit() .pythonrc :: history saved to /Users/gableroux/.pyhistory cat /Users/gableroux/.pyhistory print('test') Good luck and stay safe ✌️ — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <https://gist.github.com/8584525#gistcomment-3232314>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/ADX5EVYV7HQ4A6GXQGJQ3SLRJ7KCDANCNFSM4LVMD3TA> .

@bhavinmoriya well there are plenty of results online when searching "ModuleNotFoundError: No module named 'readline'". On which OS are you? If you're on windows, this should do the trick:
https://stackoverflow.com/a/51964654/1092815

I use Ubuntu 18.4. I did install pyreadline but no success. Bhavin Moriya <https://sites.google.com/site/bhavinmoriya/> Assistant Professor The Federal University of Viçosa - Brazil. Departamento de Matemática <http://www.dma.ufv.br/> Av. P.H. Rolfs, s/n 36570-000 – Viçosa. Minas Gerais Brasil. My Blog https://livelifemaverick.blogspot.com/ "Only the gentle are ever really strong." - James Dean

…

On Mon, Mar 30, 2020 at 3:51 PM Gabriel Le Breton ***@***.***> wrote: ***@***.**** commented on this gist. ------------------------------ @bhavinmoriya <https://github.com/bhavinmoriya> well there are plenty of results online when searching "ModuleNotFoundError: No module named 'readline'". On which OS are you? If you're on windows, this should do the trick: https://stackoverflow.com/a/51964654/1092815 — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <https://gist.github.com/8584525#gistcomment-3233548>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/ADX5EV7YIG6N6GEOX7H32BLRKDSZRANCNFSM4LVMD3TA> .

Well, there's probably something wrong with your system, I just tried on a fresh ubuntu:18.04 docker image on https://labs.play-with-docker.com/ (a bit different from an actual clean os, but still)

docker pull ubuntu:18.04
docker run --rm -it ubuntu:18.04 bash

apt-get update && apt-get install -y python3 vim
touch ~/.pythonrc
vim ~/.pythonrc
# paste content of file from blog post and write file

vim ~/.bashrc
# paste 'export PYTHONSTARTUP=~/.pythonrc' and write file
source ~/.bashrc

python3

Python 3.6.9 (default, Nov  7 2019, 10:44:02)
[GCC 8.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
.pythonrc :: AutoCompletion Loaded
.pythonrc :: history file: /root/.pyhistory
>>> print('example')
example
>>>
.pythonrc :: history saved to /root/.pyhistory

cat /root/.pyhistory

print('example')

Hi Gabriel, It is working with python3 in my system. Only with the python3.8 it is not working. Will try to fix it. Thanks a lot for all your help. Bhavin Moriya <https://sites.google.com/site/bhavinmoriya/> Assistant Professor The Federal University of Viçosa - Brazil. Departamento de Matemática <http://www.dma.ufv.br/> Av. P.H. Rolfs, s/n 36570-000 – Viçosa. Minas Gerais Brasil. My Blog https://livelifemaverick.blogspot.com/ "Only the gentle are ever really strong." - James Dean

…

On Mon, Mar 30, 2020 at 4:01 PM Gabriel Le Breton ***@***.***> wrote: ***@***.**** commented on this gist. ------------------------------ Well, there's probably something wrong with your system, I just tried on a fresh ubuntu:18.04 docker image on https://labs.play-with-docker.com/ (a bit different from an actual clean os, but still) docker pull ubuntu:18.04 docker run --rm -it ubuntu:18.04 bash apt-get update && apt-get install -y python3 vim touch ~/.pythonrc vim ~/.pythonrc# paste content of file from blog post and write file vim ~/.bashrc# paste 'export PYTHONSTARTUP=~/.pythonrc' and write filesource ~/.bashrc python3 Python 3.6.9 (default, Nov 7 2019, 10:44:02) [GCC 8.3.0] on linux Type "help", "copyright", "credits" or "license" for more information. .pythonrc :: AutoCompletion Loaded .pythonrc :: history file: /root/.pyhistory>>> print('example') example>>> .pythonrc :: history saved to /root/.pyhistory cat /root/.pyhistory print('example') — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <https://gist.github.com/8584525#gistcomment-3233591>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/ADX5EV5ZDGY2VX637NCD5O3RKDUBFANCNFSM4LVMD3TA> .

@GabLeRoux line 7 should be:

    print("Module readline not available.")

instead of:

    print "Module readline not available."

Fixed, merci Jules :). En 2014, Python 2 était encore à la mode 😂