Re: [Pythonmac-SIG] Uninstalling

[Glyph]

> On Jul 20, 2017, at 3:24 AM, Piet van Oostrum  wrote:
> 
> Normally you should never touch anything in /usr/bin or /usr/lib. That is 
> Apple territory.

You can't any more.

$ touch /usr/bin/just-testing
touch: /usr/bin/just-testing: Operation not permitted
$ sudo touch /usr/bin/just-testing
Password:
touch: /usr/bin/just-testing: Operation not permitted

Since System Integrity Protection came out with El Capitan, unless you reboot 
into recovery mode and type some "void your warranty" commands into the 
terminal app on the recovery partition, it's simply no longer possible for 
3rd-party applications and installers to write files into /usr/bin.  Attempting 
to install over /usr/bin/python on any macOS released in the last 2 years will 
just fail.

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Re: [Pythonmac-SIG] Uninstalling

[Piet van Oostrum]

Pito Salas  writes:

> I’m new to Python. I seem to have three partially installed Pythons on my Mac 
> Sierra.
>
> One from Apple
> One from Homebrew
> And one from the Python Mac installer
>
> In particular, for example, I have a python executable in /usr/bin:
>
> $ which python
> /usr/bin/python
>
> This is an actual executable not a symkink. There are a whole bunch of
> python related files in that directory:
>
> python python-config python2.6 python2.6-config python2.7
> python2.7-config pythonw pythonw2.6 pythonw2.7
>
Normally you should never touch anything in /usr/bin or /usr/lib. That is Apple 
territory.
>
> I think they all came from the python.org python installer.

If it is in /usr/bin, it shouldn't.
>
> I would like to fully uninstall the Python (and related files) that I
> got from the Mac Python Installer from the python web site. I can’t find
> up to date instructions.
>
> Does anyone know how to do this? Thanks!
>
Delete /Library/Frameworks/Python.framework/ and all links in /usr/local/bin 
and /usr/local/lib that point towards something inside that directory.

On the other hand, I find it very useful to have a Python from python.org 
installed as they are usually more up to date than the Apple supplied one. If 
you tell the installer to install the links in /usr/local, and put 
/usr/local/bin in your PATH before /usr/bin, you will use these, and Apple will 
still use their own version.
-- 
Piet van Oostrum 
WWW: http://piet.vanoostrum.org/
PGP key: [8DAE142BE17999C4]
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Re: [Pythonmac-SIG] Uninstalling

[Jack Jansen]

I think the /usr/bin/python executable you’re seeing is the Apple-supplied one.

Here’s what I have in /usr/bin, which is all from Apple:

$ ls -l /usr/bin/pyth*
-rwxr-xr-x  1 root  wheel  66576 Apr 29 02:29 /usr/bin/python
-rwxr-xr-x  5 root  wheel925 Jul 31  2016 /usr/bin/python-config
lrwxr-xr-x  1 root  wheel 75 Jun 22 13:26 /usr/bin/python2.6 -> 
../../System/Library/Frameworks/Python.framework/Versions/2.6/bin/python2.6
lrwxr-xr-x  1 root  wheel 82 Jun 22 13:26 /usr/bin/python2.6-config -> 
../../System/Library/Frameworks/Python.framework/Versions/2.6/bin/python2.6-config
lrwxr-xr-x  1 root  wheel 75 Jun 22 13:26 /usr/bin/python2.7 -> 
../../System/Library/Frameworks/Python.framework/Versions/2.7/bin/python2.7
lrwxr-xr-x  1 root  wheel 82 Jun 22 13:26 /usr/bin/python2.7-config -> 
../../System/Library/Frameworks/Python.framework/Versions/2.7/bin/python2.7-config
-rwxr-xr-x  1 root  wheel  66576 Apr 29 02:30 /usr/bin/pythonw
lrwxr-xr-x  1 root  wheel 76 Jun 22 13:26 /usr/bin/pythonw2.6 -> 
../../System/Library/Frameworks/Python.framework/Versions/2.6/bin/pythonw2.6
lrwxr-xr-x  1 root  wheel 76 Jun 22 13:26 /usr/bin/pythonw2.7 -> 
../../System/Library/Frameworks/Python.framework/Versions/2.7/bin/pythonw2.7
$

Homebrew puts everything in /usr/local/bin, and I think so does the official 
Python Mac installer (it did when I was still responsible for it:-).


> On 18 Jul 2017, at 21:37, Pito Salas  wrote:
> 
> I’m new to Python. I seem to have three partially installed Pythons on my Mac 
> Sierra.
> 
> One from Apple
> One from Homebrew
> And one from the Python Mac installer
> 
> In particular, for example, I have a python executable in /usr/bin:
> 
> $ which python
> /usr/bin/python
> 
> This is an actual executable not a symkink. There are a whole bunch of python 
> related files in that directory:
> 
> python   python-configpython2.6python2.6-config python2.7 
>python2.7-config pythonw  pythonw2.6   pythonw2.7
> 
> 
> I think they all came from the python.org python installer.
> 
> I would like to fully uninstall the Python (and related files) that I got 
> from the Mac Python Installer from the python web site. I can’t find up to 
> date instructions. 
> 
> Does anyone know how to do this? Thanks!
> 
> Pito Salas
> 
> 
> 
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--
Jack Jansen, , http://www.cwi.nl/~jack
If I can't dance I don't want to be part of your revolution -- Emma Goldman



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[Pythonmac-SIG] Uninstalling

[Pito Salas]

I’m new to Python. I seem to have three partially installed Pythons on my Mac 
Sierra.

One from Apple
One from Homebrew
And one from the Python Mac installer

In particular, for example, I have a python executable in /usr/bin:

$ which python
/usr/bin/python

This is an actual executable not a symkink. There are a whole bunch of python 
related files in that directory:

python   python-configpython2.6python2.6-config python2.7   
 python2.7-config pythonw  pythonw2.6   pythonw2.7


I think they all came from the python.org python installer.

I would like to fully uninstall the Python (and related files) that I got from 
the Mac Python Installer from the python web site. I can’t find up to date 
instructions. 

Does anyone know how to do this? Thanks!

Pito Salas



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Re: [Pythonmac-SIG] Uninstalling Python 2.6?

[Russell E. Owen]

In article a9d9fd92-e516-4f6e-ad15-e367fb8dc...@pixane.net,
 Idan Gazit i...@pixane.net wrote:

 Hi Folks,
 
 So a while back I tried installing (mac) python 2.6 on my leopard  
 machine, mainly to poke around.
 
 Today I'm trying out some xcode/pyobjc stuff and I've been tearing my  
 hair out wondering why nothing works as advertised. Turns out that  
 xcode was building against python 2.6, which doesn't have the relevant  
 modules in its classpath (objc, for example).
 
 A little bit of digging later and it seems that the *only* version of  
 python listed in /Library/Frameworks/Python.framework is 2.6. Oh noes!
 
 So my plea:
 
 * How do I cleanly remove the 2.6 (installed using the provided  
 installer) installation such that I'm left with my leopard-vanilla 2.5?
 * What should I do about the Python.framework? I imagine that PyObjC  
 apps require at least one version there. Did 2.6 overwrite the  
 existing one? Can anybody tell me how to get it back or how to install  
 the 2.5 version?

You can safely delete /Library/Frameworks/Python.Framework
Also look in /usr/local/bin for any files whose names start with 
python; delete those.

The system python is in /System/Frameworks and is safe from your changes.

Note that multiple versions of user-installed python can coexist. If so 
you may want to delete something inside of 
/Library/Frameworks/Python.Framework instead, but that doesn't appear to 
be your case.

(Also if you are otherwise happy with Python 2.6 you could just use it 
to install the other packages you are missing. Personally I prefer using 
a user-installed Python for my own work, rather than cluttering up the 
system python with user-installed packages.)

-- Russell

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[Pythonmac-SIG] Uninstalling Python 2.6?

[Idan Gazit]

Hi Folks,

So a while back I tried installing (mac) python 2.6 on my leopard  
machine, mainly to poke around.


Today I'm trying out some xcode/pyobjc stuff and I've been tearing my  
hair out wondering why nothing works as advertised. Turns out that  
xcode was building against python 2.6, which doesn't have the relevant  
modules in its classpath (objc, for example).


A little bit of digging later and it seems that the *only* version of  
python listed in /Library/Frameworks/Python.framework is 2.6. Oh noes!


So my plea:

* How do I cleanly remove the 2.6 (installed using the provided  
installer) installation such that I'm left with my leopard-vanilla 2.5?
* What should I do about the Python.framework? I imagine that PyObjC  
apps require at least one version there. Did 2.6 overwrite the  
existing one? Can anybody tell me how to get it back or how to install  
the 2.5 version?



My head is spinning from all the googling I have done on the subject.  
I'm hoping that a few well-placed words of wisdom will help me here!


Yours in much confusion,

Idan
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Re: [Pythonmac-SIG] Uninstalling Python 2.6?

[Orestis Markou]

I'm not on my Mac right now, but I think that the system python is
actually in /System/Library rather than in /Library. If that's the
case, I think you can just remove /Library/Frameworks/Python and
update /usr/bin/python to point to vanilla Python.

I would try renaming /Library/Frameworks/Python.framework and see if
this fixes your issues - if yes, you can then safely delete it.

I personally use MacPorts, that installs itself in /opt/local and only
fiddles with PATH, to avoid this kind of problem.

Orestis

On Mon, Feb 23, 2009 at 3:04 PM, Idan Gazit i...@pixane.net wrote:
 Hi Folks,

 So a while back I tried installing (mac) python 2.6 on my leopard machine,
 mainly to poke around.

 Today I'm trying out some xcode/pyobjc stuff and I've been tearing my hair
 out wondering why nothing works as advertised. Turns out that xcode was
 building against python 2.6, which doesn't have the relevant modules in its
 classpath (objc, for example).

 A little bit of digging later and it seems that the *only* version of python
 listed in /Library/Frameworks/Python.framework is 2.6. Oh noes!

 So my plea:

 * How do I cleanly remove the 2.6 (installed using the provided installer)
 installation such that I'm left with my leopard-vanilla 2.5?
 * What should I do about the Python.framework? I imagine that PyObjC apps
 require at least one version there. Did 2.6 overwrite the existing one? Can
 anybody tell me how to get it back or how to install the 2.5 version?


 My head is spinning from all the googling I have done on the subject. I'm
 hoping that a few well-placed words of wisdom will help me here!

 Yours in much confusion,

 Idan
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-- 
ores...@orestis.gr
http://orestis.gr
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Re: [Pythonmac-SIG] Uninstalling Python 2.6?

[Ned Deily]

In article 
dabdc63f0902230804w56b76207xe59c2dc9cad7b...@mail.gmail.com,
 Orestis Markou ores...@orestis.gr wrote:
 I'm not on my Mac right now, but I think that the system python is
 actually in /System/Library rather than in /Library. If that's the
 case, I think you can just remove /Library/Frameworks/Python and
 update /usr/bin/python to point to vanilla Python.

/usr/bin/python normally always points to the Apple-supplied python in 
/System/Library; it's not a good idea to modify it.

 I would try renaming /Library/Frameworks/Python.framework and see if
 this fixes your issues - if yes, you can then safely delete it.
 
 I personally use MacPorts, that installs itself in /opt/local and only
 fiddles with PATH, to avoid this kind of problem.

The python.org pythons install to 
/Library/Frameworks/Python.frameworks/Versions/x.x and to 
/Applications/Python x.x, neither of which are Apple-controlled 
locations.  The framework is totally self-contained unless you select to 
have the installer add symlinks to /usr/local/bin and, again, those are 
not Apple-controlled.  So you can safely delete the versioned framework 
directory and/or application directory or just alter your PATH to avoid 
them.   In *that* respect, there is no advantage to using MacPorts over 
python.org pythons.

-- 
 Ned Deily,
 n...@acm.org

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Re: [Pythonmac-SIG] uninstalling macpython

[Ronald Oussoren]

On 21 Feb, 2008, at 17:12, Kevin Walzer wrote:


Stephen Uhlhorn wrote:

Hello-

How do I uninstall MacPython cleanly from my leopard system? I'd like
to revert to the system python without reinstalling the entire OS. Do
I just zap /Library/Frameworks/Python.Framework and fix my PATH? Or,
are there other considerations?



That should do it.


Don't forget to remove /Applications/MacPython 2.5 and the symlinks  
in /usr/local/bin.


Ronald



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[Pythonmac-SIG] uninstalling macpython

[Stephen Uhlhorn]

Hello-

How do I uninstall MacPython cleanly from my leopard system? I'd like
to revert to the system python without reinstalling the entire OS. Do
I just zap /Library/Frameworks/Python.Framework and fix my PATH? Or,
are there other considerations?

Thanks-
-stephen
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