Python on a mac: how to build pythonw?

R

Ron Garret

I'm trying to run the Python examples distributed with XCode and they
all give me the same error:

Traceback (most recent call last):
File "checktext.py", line 35, in <module>
main()
File "checktext.py", line 8, in main
pathname = EasyDialogs.AskFileForOpen(message='File to check
end-of-lines in:')
File "/usr/local/lib/python2.5/plat-mac/EasyDialogs.py", line 650, in
AskFileForOpen
_interact()
File "/usr/local/lib/python2.5/plat-mac/EasyDialogs.py", line 53, in
_interact
AE.AEInteractWithUser(50000000)
MacOS.Error: (-1713, 'no user interaction is allowed')

Googling reveals that the answer is to use pythonw, but there is no such
thing installed on my system:

[ron@mickey:~]$ pythonw
-bash: pythonw: command not found

Apparently, pythonw didn't get built when I installed Python 2.5, and I
can't find any instructions on how to build it. (The installation
instructions don't seem to mention it.)

If anyone could spare a clue I would be most grateful.

Thank,
rg
 
R

Robert Kern

Ron said:
I'm trying to run the Python examples distributed with XCode and they
all give me the same error:

Traceback (most recent call last):
File "checktext.py", line 35, in <module>
main()
File "checktext.py", line 8, in main
pathname = EasyDialogs.AskFileForOpen(message='File to check
end-of-lines in:')
File "/usr/local/lib/python2.5/plat-mac/EasyDialogs.py", line 650, in
AskFileForOpen
_interact()
File "/usr/local/lib/python2.5/plat-mac/EasyDialogs.py", line 53, in
_interact
AE.AEInteractWithUser(50000000)
MacOS.Error: (-1713, 'no user interaction is allowed')

Googling reveals that the answer is to use pythonw, but there is no such
thing installed on my system:

[ron@mickey:~]$ pythonw
-bash: pythonw: command not found

Apparently, pythonw didn't get built when I installed Python 2.5, and I
can't find any instructions on how to build it. (The installation
instructions don't seem to mention it.)

It looks like you built Python yourself. The default build does not allow you to
communicate with the Apple GUI. You need a framework build. I highly recommend
that you simply use the binary on www.python.org instead of building from
source. If you do want to build from source, please read the file Mac/README for
instructions.

Note that in recent versions of Python, I believe that the pythonw executable is
no longer necessary as a workaround.

--
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless enigma
that is made terrible by our own mad attempt to interpret it as though it had
an underlying truth."
-- Umberto Eco
 
R

Ron Garret

Robert Kern said:
Ron said:
I'm trying to run the Python examples distributed with XCode and they
all give me the same error:

Traceback (most recent call last):
File "checktext.py", line 35, in <module>
main()
File "checktext.py", line 8, in main
pathname = EasyDialogs.AskFileForOpen(message='File to check
end-of-lines in:')
File "/usr/local/lib/python2.5/plat-mac/EasyDialogs.py", line 650, in
AskFileForOpen
_interact()
File "/usr/local/lib/python2.5/plat-mac/EasyDialogs.py", line 53, in
_interact
AE.AEInteractWithUser(50000000)
MacOS.Error: (-1713, 'no user interaction is allowed')

Googling reveals that the answer is to use pythonw, but there is no such
thing installed on my system:

[ron@mickey:~]$ pythonw
-bash: pythonw: command not found

Apparently, pythonw didn't get built when I installed Python 2.5, and I
can't find any instructions on how to build it. (The installation
instructions don't seem to mention it.)

It looks like you built Python yourself.

Yep. I'm a do-it-yourself kind of guy :)
The default build does not allow you to
communicate with the Apple GUI. You need a framework build. I highly
recommend
that you simply use the binary on www.python.org instead of building from
source. If you do want to build from source, please read the file Mac/README
for instructions.
Okeydokey.

Note that in recent versions of Python, I believe that the pythonw executable
is no longer necessary as a workaround.

How recent? I'm already using 2.5.

Thanks!
rg
 
R

Robert Kern

Ron said:
How recent? I'm already using 2.5.

2.5 definitely works. I think it might have been one of the Universal builds of
2.4 where it started working, but my memory is a bit hazy on that point.

--
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless enigma
that is made terrible by our own mad attempt to interpret it as though it had
an underlying truth."
-- Umberto Eco
 
R

Robert Kern

Ron said:
Yes, once you know the magic incantation:

./configure --enable-universalsdk

Actually, --enable-framework is the relevant flag for this feature. You should
use both, of course.

--
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless enigma
that is made terrible by our own mad attempt to interpret it as though it had
an underlying truth."
-- Umberto Eco
 

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