[issue29076] Python 3.6 installer doesn't update "python3" shell command

[Ned Deily]

Ned Deily added the comment:

Ah!  If you have made "fish" your default shell, the updater script should fail 
with the message "Sorry, I don't know how to patch ... shells".  Perhaps your 
default shell was still bash back when you previously installed Python 3.5 and 
2.7?  If so, then the issue is simply that the updater script doesn't support 
fish.

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[issue29076] Python 3.6 installer doesn't update "python3" shell command

[Ned Deily]

Ned Deily added the comment:

OK, that shouldn't be an issue.  I'm just guessing at this point since nothing 
has changed in the profile updater script in a long time over many releases.  
I'm assuming you are running the installer under the same user name (Elias) and 
that Elias is an admin user.  Fortunately, you can run the script manually  
since a copy is installed in /Applications/Python 3.6.  Try double-clicking on 
the "Update Shell Profile.command" file there and see what shows up in the 
ensuing terminal window.  If it now works, try restoring the original file:

mv ~/.bash_profile.pysave ~/.bash_profile

and rerun the installer and, and before quitting the installer, checking the 
installer log output (CMD-L and then selecting the all messages option) for 
clues.

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[issue29076] Python 3.6 installer doesn't update "python3" shell command

[Elias Zamaria]

Elias Zamaria added the comment:

I just ran "ls -le ~/.bash_profile" and got this result:

-rw-r--r--+ 1 Elias  staff  1057 Jul  2 11:04 /Users/Elias/.bash_profile
 0: user:_spotlight inherited allow 
read,execute,readattr,readextattr,readsecurity

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[issue29076] Python 3.6 installer doesn't update "python3" shell command

[Ned Deily]

Ned Deily added the comment:

Thanks for the info.  The '+' is the ls output indicates there is extended 
security information for .bash_profile, probably an access control list entry 
that affects it.  I suspect that might be the reason that .bash_profile does 
not get updated by the installer script; it seems to work for me but there are 
certainly a lot of different configurations the script has to deal with.  Try 
"ls -le .bash_profile'.

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[issue29076] Python 3.6 installer doesn't update "python3" shell command

[Elias Zamaria]

Elias Zamaria added the comment:

I just ran "ls -l ~/.bash_profile" and got the following output:

-rw-r--r--+ 1 Elias  staff  1057 Jul  2 11:04 /Users/Elias/.bash_profile

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[issue29076] Python 3.6 installer doesn't update "python3" shell command

[Ned Deily]

Ned Deily added the comment:

Can you check what the permissions and ownership are on your existing 
.bash_profile file?  Also, as you suspected, the installer's profile updater 
script does not currently look for fish initialization files.

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[issue29076] Python 3.6 installer doesn't update "python3" shell command

[Ned Deily]

Changes by Ned Deily :


--
assignee:  -> ned.deily

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[issue29076] Python 3.6 installer doesn't update "python3" shell command

[Elias Zamaria]

New submission from Elias Zamaria:

I have a Mac running OS X 10.11.6, Python 3.5.2, and fish 2.3.1. I installed 
Python 3.6.0, and everything seemed to work fine. However, I typed "python3" in 
my shell and it started Python 3.5.2.

I restarted my shell and typed "python3", and it still started Python 3.5.2. I 
ran "which python3" and it told me 
"/Library/Frameworks/Python.framework/Versions/3.5/bin/python3".

I ran "echo $PATH" and it told me 
"/Library/Frameworks/Python.framework/Versions/3.5/bin", among other 
directories that seem unrelated to Python.

I thought that maybe the installer updated my ~/.bash_profile, assuming that I 
am using bash like most people, but I looked in that file, and the only things 
affecting my path that look Python-related are adding the directories 
"/Library/Frameworks/Python.framework/Versions/2.7/bin" and 
"/Library/Frameworks/Python.framework/Versions/3.5/bin".

I re-ran the installer, clicked the "Customize" button, made sure that the 
"Shell profile updater" checkbox was checked, and ran "python3", and it started 
Python 3.5.2.

I can probably fix this by adding the right directory to my $PATH, but I think 
it is a bug if the installer doesn't make that change for me, or even try to 
make the change.

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components: Installation, macOS
messages: 284036
nosy: elias, ned.deily, ronaldoussoren
priority: normal
severity: normal
status: open
title: Python 3.6 installer doesn't update "python3" shell command
versions: Python 3.6

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[issue29076] Python 3.6 installer doesn't update "python3" shell command

[Elias Zamaria]

Changes by Elias Zamaria :


--
type:  -> behavior

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