Nabble - Python - pythonmac-sig

Re: Apple event time out with appscript

2009-12-22T16:01:39Z

On Tue, Dec 22, 2009 at 3:22 PM, has <hengist.podd@...> wrote:

Geoff Dutton wrote:

> I am using appscript to automate data processing through "Igor Pro". However, I keep running into an Apple event time out problem when running a process in Igor. I realize the timeout duration on some programs can be set, but I can't seem to set it through Igor's Do_Script command. I have pasted my code here: http://python.pastebin.com/m5e45943e
>
> The time out occurs in the Igor_ProcessMol def. How do I lengthen the time out duration? I have tried setting it via self.igor.activate(timeout=1200) but that doesn't work. It seems like self.igor.Do_Script() should have a way to set the time out.

1. Make sure you're using appscript 0.21.1 (contains a workaround for a periodic Apple event timeout bug in 10.6).

2. Add a 'timeout' attribute to each command that needs a non-standard timeout, e.g. igor.Do_Script("some command", timeout=1200)

HTH

has
--
Control AppleScriptable applications from Python, Ruby and ObjC:
http://appscript.sourceforge.net

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Thanks has! I was using the current version of appscript, however, I tried using the timeout parameter BEFORE the igor.Do_Script command. I realize, now, that timeout is an optional parameter and has to follow the Do_Script command.

Thanks,
Geoff

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Global Monitoring Division
325 Broadway, R/GMD1
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Re: Apple event time out with appscript

2009-12-22T14:22:22Z

Geoff Dutton wrote:

> I am using appscript to automate data processing through "Igor Pro". However, I keep running into an Apple event time out problem when running a process in Igor. I realize the timeout duration on some programs can be set, but I can't seem to set it through Igor's Do_Script command. I have pasted my code here: http://python.pastebin.com/m5e45943e
>
> The time out occurs in the Igor_ProcessMol def. How do I lengthen the time out duration? I have tried setting it via self.igor.activate(timeout=1200) but that doesn't work. It seems like self.igor.Do_Script() should have a way to set the time out.

1. Make sure you're using appscript 0.21.1 (contains a workaround for a periodic Apple event timeout bug in 10.6).

2. Add a 'timeout' attribute to each command that needs a non-standard timeout, e.g. igor.Do_Script("some command", timeout=1200)

HTH

has
--
Control AppleScriptable applications from Python, Ruby and ObjC:
http://appscript.sourceforge.net

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total confusion with multiple pythons and pip

2009-12-22T11:12:48Z

(My apologies if all this is obvious)
I appear to have 4 different installations of Python on my reformatted Snow Leopard installation.
I have been trying to install pil and matplotlib and going round in circles.

Versions of Python:
1. came with SL
I assume it is here:
/usr/bin/python

$ /usr/bin/python
Python 2.6.1 (r261:67515, Jul 7 2009, 23:51:51)
[GCC 4.2.1 (Apple Inc. build 5646)] on darwin

2. From Python.org
I assume it is the one here:
/usr/local/bin/python

$ /usr/local/bin/python
Python 2.6.4 (r264:75821M, Oct 27 2009, 19:48:32)
[GCC 4.0.1 (Apple Inc. build 5493)] on darwin

3. From Macports
I know it is the one here:
/opt/local/bin/python

$ /opt/local/bin/python
Python 2.6.4 (r264:75706, Dec 21 2009, 20:23:10)
[GCC 4.2.1 (Apple Inc. build 5646) (dot 1)] on darwin

4. I do not know where this came from:
/Library/Frameworks/Python.framework/Versions/2.6/bin/python

$ /Library/Frameworks/Python.framework/Versions/2.6/bin/python
Python 2.6.4 (r264:75821M, Oct 27 2009, 19:48:32)
[GCC 4.0.1 (Apple Inc. build 5493)] on darwin

Clearly when I install something with macports, it is accessible only if I run the macports version of python.
However, I have installed 'pip' and this seems to be installing packages so that they only work with the original python (in /usr/bin/python).
So I get the following:

Christopher-Brewsters-MacBook-Pro-15:~ kiffer$ python
Python 2.6.4 (r264:75821M, Oct 27 2009, 19:48:32)
[GCC 4.0.1 (Apple Inc. build 5493)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import matplotlib
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ImportError: No module named matplotlib
>>>

Christopher-Brewsters-MacBook-Pro-15:~ kiffer$ /usr/bin/python
Python 2.6.1 (r261:67515, Jul 7 2009, 23:51:51)
[GCC 4.2.1 (Apple Inc. build 5646)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import matplotlib
/Library/Python/2.6/site-packages/matplotlib/__init__.py:62: DeprecationWarning: the md5 module is deprecated; use hashlib instead
import md5, os, re, shutil, sys, warnings
/Library/Python/2.6/site-packages/pytz/tzinfo.py:5: DeprecationWarning: the sets module is deprecated
from sets import Set
>>>

Christopher-Brewsters-MacBook-Pro-15:~ kiffer$ /opt/local/bin/python
Python 2.6.4 (r264:75706, Dec 21 2009, 20:23:10)
[GCC 4.2.1 (Apple Inc. build 5646) (dot 1)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import matplotlib
>>>

Question: How do I get 'pip' to install correctly so as to be accessible with the current default python which appears to be the one installed from python.org?
If I want to use the Macport python, how do I set this to be the default, or do I always have to call it via opt/local/bin/python?

Thanks,
Christopher

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Re: [newbie] install PyObjc under EPD Python ?

2009-12-22T00:51:46Z

On 21 Dec, 2009, at 18:34, Christopher Barker wrote:

> Ned Deily wrote:
>> Chances are, though, that their python2.5 does not allow you to correctly build packages with C extension modules (such as those in PyObjC) on 10.6.
>
> whooa!
>
> This appears to mean that python2.6 (or 3.1, I guess) is the only fully supported option for 10.6 and above?

2.6.4 contains a number of patches that make it possible to build extensions for the python.org binary installer on 10.6, those patches have been forward ported to the 3.1 tree, but there hasn't been a release of 3.1.x that includes those fixes. 2.7 and 3.2 will obviously also work when those are released.

Python 2.5 was released long before OSX 10.6 was released and there won't be any further maintainance releases, that's why the SL fixes haven't been backported to 2.5.

Ronald

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Re: [newbie] install PyObjc under EPD Python ?

2009-12-21T20:25:29Z

In article <4B2FB1B4.500@...>,
Christopher Barker <Chris.Barker@...> wrote:

> Ned Deily wrote:
> > Chances are, though, that
> > their python2.5 does not allow you to correctly build packages with C
> > extension modules (such as those in PyObjC) on 10.6.
> whooa!
>
> This appears to mean that python2.6 (or 3.1, I guess) is the only fully
> supported option for 10.6 and above?
>
> That's good to know -- hopefully we'll be going to 10.6 soon, and have
> not yet ported some critical stuff to 2.6.
>
> Have I got that right?

There was stuff that needed to be done to make multi-architecture
multiple-OS-level builds work correctly on 10.6. I'm thinking of things
like forcing compilation with gcc-4.0 and using the 10.4u SDK for
building extension modules. It certainly is possible to get 2.5.4
working for 10.6 - Apple has done it. But if there were recent patches,
they wouldn't have been accepted into the python.org svn tree for 2.5.
If you had to start from scratch for 2.5.4 on 10.6, I would guess the
safest approach would be to limit yourself to a single-architecture
build. The 2.5.4 from the python.org OS X installer should probably
work OK on 10.6 since it is 32-bit only, except for the extension
building issues.

OTOH, 2.5.x is no longer supported on *any* platform by the Python Dev
team, other than for critical security patches. And there are all those
fixes that have gone into 2.6.x.

--
Ned Deily,
nad@...

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Apple event time out with appscript

2009-12-21T14:52:25Z

Hi

I am using appscript to automate data processing through "Igor Pro". However, I keep running into an Apple event time out problem when running a process in Igor. I realize the timeout duration on some programs can be set, but I can't seem to set it through Igor's Do_Script command. I have pasted my code here: http://python.pastebin.com/m5e45943e

The time out occurs in the Igor_ProcessMol def. How do I lengthen the time out duration? I have tried setting it via self.igor.activate(timeout=1200) but that doesn't work. It seems like self.igor.Do_Script() should have a way to set the time out.

Any suggestions or work around greatly appreciated.
Geoff

--
NOAA Earth System Research Laboratory
Global Monitoring Division
325 Broadway, R/GMD1
Boulder, CO 80305

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Re: [newbie] install PyObjc under EPD Python ?

2009-12-21T09:42:19Z

On 2009-12-21 11:39 AM, Christopher Barker wrote:

> I wonder when Enthought is going to go to 2.6 for EPD?

The betas are out now and are available to subscribers. I'm not sure exactly
when the final release will be out (and freely available for the academic
license), but soon.

--
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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Re: [newbie] install PyObjc under EPD Python ?

2009-12-21T09:38:17Z

Joost Rekveld wrote:
> thanks for the replies and for explaining the Snow Leopard/Python issues.
> That might be the reason why my effort to install PyObjc with easy_install (see first post) failed ?
> I'll try to find an Enthought list in order to ask there or I'll consider switching to another Python distro,
> hoping that installing the other packages I use will be straightforward.

Well, many packages are still available with binaries for 2.5.

Maybe you can get someone (even Enthought) to build PyObj for EPD on a
10.5 machine.

I wonder when Enthought is going to go to 2.6 for EPD?

-Chris

--
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Oceanographer

Emergency Response Division
NOAA/NOS/OR&R (206) 526-6959 voice
7600 Sand Point Way NE (206) 526-6329 fax
Seattle, WA 98115 (206) 526-6317 main reception

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Re: [newbie] install PyObjc under EPD Python ?

2009-12-21T09:33:52Z

Ned Deily wrote:
> Chances are, though, that
> their python2.5 does not allow you to correctly build packages with C
> extension modules (such as those in PyObjC) on 10.6.

whooa!

This appears to mean that python2.6 (or 3.1, I guess) is the only fully
supported option for 10.6 and above?

That's good to know -- hopefully we'll be going to 10.6 soon, and have
not yet ported some critical stuff to 2.6.

Have I got that right?

-Chris

--
Christopher Barker, Ph.D.
Oceanographer

Emergency Response Division
NOAA/NOS/OR&R (206) 526-6959 voice
7600 Sand Point Way NE (206) 526-6329 fax
Seattle, WA 98115 (206) 526-6317 main reception

Chris.Barker@...
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Re: [newbie] install PyObjc under EPD Python ?

2009-12-21T02:43:18Z

Hi Ned,

thanks for the replies and for explaining the Snow Leopard/Python issues.
That might be the reason why my effort to install PyObjc with easy_install (see first post) failed ?
I'll try to find an Enthought list in order to ask there or I'll consider switching to another Python distro,
hoping that installing the other packages I use will be straightforward.

ciao,

Joost.

On 20 Dec, 2009, at 10:45 PM, Ned Deily wrote:

> In article <045FA67C-03BC-421A-AFBE-4AFDC9383EC4@...>,
> Joost Rekveld <lists@...> wrote:
>
>> yes, I see, so my first question remains:
>>
>> how can I install PyObjc into a non-Apple, non-MacPort Python instance ?
>
> And the answers I've given you still stand. It depends on what version
> of Python and what distribution you are talking about.
>
> For the current python.org 2.6 installer for OS X, python 2.6.4, you
> just need to install setuptools/easy_install
> (http://pypi.python.org/pypi/setuptools) for that python and then use it
> to install pyobjc. At the moment, Python 2.6.4 is the only python.org
> python that has been fully tested with and is known to work on 10.6
> (Snow Leopard).
>
> For EPD Pythons, you should ask on an Enthought forum of people who are
> familiar with Enthought's OS X distribution. Chances are, though, that
> their python2.5 does not allow you to correctly build packages with C
> extension modules (such as those in PyObjC) on 10.6. There were fixes
> needed for 2.6 to do that and those will not be backported to
> python.org's 2.5 which is no longer maintained except for critical
> security patches and was last released before 10.6 was released.
> Perhaps Enthought has done the backporting and testing.
>
> There is also a mailing list for questions about PyObjC itself:
>
> http://dir.gmane.org/gmane.comp.python.pyobjc.devel
>
> --
> Ned Deily,
> nad@...
>
> _______________________________________________
> Pythonmac-SIG maillist - Pythonmac-SIG@...
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Re: [newbie] install PyObjc under EPD Python ?

2009-12-20T13:45:29Z

In article <045FA67C-03BC-421A-AFBE-4AFDC9383EC4@...>,
Joost Rekveld <lists@...> wrote:

> yes, I see, so my first question remains:
>
> how can I install PyObjc into a non-Apple, non-MacPort Python instance ?

And the answers I've given you still stand. It depends on what version
of Python and what distribution you are talking about.

For the current python.org 2.6 installer for OS X, python 2.6.4, you
just need to install setuptools/easy_install
(http://pypi.python.org/pypi/setuptools) for that python and then use it
to install pyobjc. At the moment, Python 2.6.4 is the only python.org
python that has been fully tested with and is known to work on 10.6
(Snow Leopard).

For EPD Pythons, you should ask on an Enthought forum of people who are
familiar with Enthought's OS X distribution. Chances are, though, that
their python2.5 does not allow you to correctly build packages with C
extension modules (such as those in PyObjC) on 10.6. There were fixes
needed for 2.6 to do that and those will not be backported to
python.org's 2.5 which is no longer maintained except for critical
security patches and was last released before 10.6 was released.
Perhaps Enthought has done the backporting and testing.

There is also a mailing list for questions about PyObjC itself:

http://dir.gmane.org/gmane.comp.python.pyobjc.devel

--
Ned Deily,
nad@...

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Re: [newbie] install PyObjc under EPD Python ?

2009-12-20T03:34:51Z

yes, I see, so my first question remains:

how can I install PyObjc into a non-Apple, non-MacPort Python instance ?

thanks,

Joost.

On 20 Dec, 2009, at 5:28 AM, Ned Deily wrote:

>> This workaround seems a bit dodgy to me, but it works ?
>
> It's bad practice to follow. In the absence of compatibility
> guarantees, the only safe approach is to install any missing modules you
> need into each Python instance where you need them. And, while it is

-------------------------------------------

Joost Rekveld
----------- http://www.lumen.nu/rekveld

-------------------------------------------

"There are no passengers on spaceship earth.
We are all crew.”

(Marshall McLuhan)

-------------------------------------------

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Re: [newbie] install PyObjc under EPD Python ?

2009-12-19T20:28:35Z

In article <D87DFA01-56F8-4E42-BD4B-AF4184AE7F94@...>,
Joost Rekveld <lists@...> wrote:
> The problem with MacPorts is that it installs everything around its own
> Python25, which is again in a different place and I don't know how to
> persuade it to install PyObjc where I want it.

You don't. A Python package, particularly one that contains C
extensions, should only be used with the Python instance which it was
built with and installed into. There can be major differences in the
build options between Python instances even at the same release level.
So if you install a MacPorts PyObjC, you use the MacPorts python, too.

> Independently I found this page:
>
> <http://forums.macrumors.com/archive/index.php/t-377881.html>
>
> and when I add this to my PythonPath:
>
> /System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/PyO
> bjC
> /System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/py2
> app
>
> it all seems to work: at least it seems now that I can import objc, AppKit,
> QTKit
> tonight i'll be able to see whether it really works.
>
> This workaround seems a bit dodgy to me, but it works ?

It's bad practice to follow. In the absence of compatibility
guarantees, the only safe approach is to install any missing modules you
need into each Python instance where you need them. And, while it is
fine to install additional packages to the Apple-supplied pythons (these
additional site packages are placed in /Library/Python), one should
never try to remove or delete the Apple-supplied files (in /usr/bin and
/System/Library). They are part of OS X and managed by Apple.

--
Ned Deily,
nad@...

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Re: [newbie] install PyObjc under EPD Python ?

2009-12-19T03:22:58Z

Hi Ned,

thanks for the reply.
The problem with MacPorts is that it installs everything around its own Python25, which is again in a different place and I don't know how to persuade it to install PyObjc where I want it.

Independently I found this page:

<http://forums.macrumors.com/archive/index.php/t-377881.html>

and when I add this to my PythonPath:

/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/PyObjC
/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/py2app

it all seems to work: at least it seems now that I can import objc, AppKit, QTKit
tonight i'll be able to see whether it really works.

This workaround seems a bit dodgy to me, but it works ?

If anybody has a better suggestion, i'd be very curious..

ciao,

Joost.

On 19 Dec, 2009, at 11:50 AM, Ned Deily wrote:

> In article <438D4269-AE6A-42A7-B104-0FED6CE77EB5@...>,
> Joost Rekveld <lists@...> wrote:
>> thanks for your reply. Yes, I read that you don't have to do anything for the
>> apple-supplied Pythons, but what if I want to keep using my EPD Python ?
>> If not, i'll have to install everything else in order to be able to use
>> PyObjc. If it is the only way, I'd consider it, but I'd find it strange ?
>>
>> how can I install PyObjc for a non-apple-supplied Python ?
>
> Sorry, I have no experience with the the Enthought distribution. You
> might ask over on the EPD-Users mailing list. Depending on how that
> Python 2.5.4 was built and whether it has been patched to support
> building extensions on 10.6, you may need to use a different version of
> gcc (typically, export CC=/usr/bin/gcc-4.0) and/or add -arch i386 flags.
> Python 2.5 is rather old and only receives critical security bug fixes
> these days from the Python development team.
>
> PyObjC is also available as a MacPorts port if you care to use a
> complete MacPorts solution:
> sudo port install py25-pyobjc-cocoa
> or sudo port install py26-pyobjc-cocoa.
>
> --
> Ned Deily,
> nad@...
>
> _______________________________________________
> Pythonmac-SIG maillist - Pythonmac-SIG@...
> http://mail.python.org/mailman/listinfo/pythonmac-sig

-------------------------------------------

Joost Rekveld
----------- http://www.lumen.nu/rekveld

-------------------------------------------

“This alone I ask you, O reader, that when you peruse the
account of these marvels that you do not set up for yourself
as a standard human intellectual pride, but rather the great
size and vastness of earth and sky; and, comparing with
that Infinity these slender shadows in which miserably and
anxiously we are enveloped, you will easily know that I have
related nothing which is beyond belief.”
(Girolamo Cardano)

-------------------------------------------

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Re: [newbie] install PyObjc under EPD Python ?

2009-12-19T02:50:14Z

In article <438D4269-AE6A-42A7-B104-0FED6CE77EB5@...>,
Joost Rekveld <lists@...> wrote:
> thanks for your reply. Yes, I read that you don't have to do anything for the
> apple-supplied Pythons, but what if I want to keep using my EPD Python ?
> If not, i'll have to install everything else in order to be able to use
> PyObjc. If it is the only way, I'd consider it, but I'd find it strange ?
>
> how can I install PyObjc for a non-apple-supplied Python ?

Sorry, I have no experience with the the Enthought distribution. You
might ask over on the EPD-Users mailing list. Depending on how that
Python 2.5.4 was built and whether it has been patched to support
building extensions on 10.6, you may need to use a different version of
gcc (typically, export CC=/usr/bin/gcc-4.0) and/or add -arch i386 flags.
Python 2.5 is rather old and only receives critical security bug fixes
these days from the Python development team.

PyObjC is also available as a MacPorts port if you care to use a
complete MacPorts solution:
sudo port install py25-pyobjc-cocoa
or sudo port install py26-pyobjc-cocoa.

--
Ned Deily,
nad@...

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Re: [newbie] install PyObjc under EPD Python ?

2009-12-19T01:44:17Z

Hi Ned,

thanks for your reply. Yes, I read that you don't have to do anything for the apple-supplied Pythons, but what if I want to keep using my EPD Python ?
If not, i'll have to install everything else in order to be able to use PyObjc. If it is the only way, I'd consider it, but I'd find it strange ?

how can I install PyObjc for a non-apple-supplied Python ?

easy_install actually seems to work up to a point; it installs about twenty packages but then I get:

>
> Running pyobjc-core-2.2/setup.py -q bdist_egg --dist-dir /tmp/easy_install-mXb8PO/pyobjc-core-2.2/egg-dist-tmp-xJGYdv
> warning: no directories found matching 'Scripts'
> warning: no directories found matching 'setup-lib'
> warning: no directories found matching 'source-deps'
> warning: no previously-included files matching '.DS_Store' found anywhere in distribution
> warning: no previously-included files matching '*.pyc' found anywhere in distribution
> warning: no previously-included files matching '*.so' found anywhere in distribution
> libffi-src/x86/x86-ffi_darwin.c:39: warning: no previous prototype for ‘ffi_prep_args’
> libffi-src/x86/x86-ffi_darwin.c:178: warning: function declaration isn’t a prototype
> libffi-src/x86/x86-ffi_darwin.c:186: warning: function declaration isn’t a prototype
> Modules/objc/objc-class.m: In function ‘PyObjCClass_New’:
> Modules/objc/objc-class.m:1416: warning: implicit declaration of function ‘PyType_Modified’
> Modules/objc/objc-class.m:1416: warning: nested extern declaration of ‘PyType_Modified’
> Modules/objc/OC_PythonObject.m: In function ‘-[OC_PythonObject replacementObjectForKeyedArchiver:]’:
> Modules/objc/OC_PythonObject.m:1370: warning: conflicting types for ‘-(NSObject *)replacementObjectForKeyedArchiver:(NSKeyedArchiver *)archiver’

this goes on and on with similar messages, until:

>
> Modules/objc/parsexml.m:1715: warning: implicit declaration of function ‘xmlFreeDoc’
> Modules/objc/parsexml.m:1715: warning: nested extern declaration of ‘xmlFreeDoc’
> error: Setup script exited with error: command 'gcc' failed with exit status 1

why doesn't this work ?
My feeling is that I need a few clever symlinks to somewhere else, but I have no idea what precisely..

any ideas ?

cheers,

Joost.

On 19 Dec, 2009, at 4:38 AM, Ned Deily wrote:

> In article <BE9BC0C9-1331-4893-9B62-01F08FB3CCC7@...>,
> Joost Rekveld <lists@...> wrote:
>> and everybody writes PyObjc is already installed on Snow Leopard, but I don't
>> know what path to add to my Pythonpath for it to be found ? Would it be that
>> simple ?
>
> You don't need to add anything if you use one of the Apple-supplied
> Pythons in Snow Leopard:
>
> $ /usr/bin/python2.6
> Python 2.6.1 (r261:67515, Jul 7 2009, 23:51:51)
> [GCC 4.2.1 (Apple Inc. build 5646)] on darwin
> Type "help", "copyright", "credits" or "license" for more information.
>>>> import objc
>>>> ^D
> $ /usr/bin/python2.5
> Python 2.5.4 (r254:67916, Jul 7 2009, 23:51:24)
> [GCC 4.2.1 (Apple Inc. build 5646)] on darwin
> Type "help", "copyright", "credits" or "license" for more information.
>>>> import objc
>>>> ^D
>
> --

On 19 Dec, 2009, at 2:20 AM, Joost Rekveld wrote:

> Hi,
>
> i'm very new to this list, relatively new to Python, and don't manage to install PyObjc under the Enthought Python on Snow Leopard (distribution 5.1.1, which includes a Python 2.5.4).
>
> - easy_install installs things in their desired places, but chokes on PyObjc-core
> - macports starts installing all kinds of stuff where I don't want it (and quits when it doesn't find its own Python2.5 version).
>
> and everybody writes PyObjc is already installed on Snow Leopard, but I don't know what path to add to my Pythonpath for it to be found ? Would it be that simple ?
>
> and online I don't seem to find people having the same problem, so I must be missing something very obvious.
> any help very much appreciated !
>
> kind regards,
>
> Joost.

-------------------------------------------

Joost Rekveld
----------- http://www.lumen.nu/rekveld

-------------------------------------------

"A is better off if B is better off.”

(Heinz von Foerster)

-------------------------------------------

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Re: [newbie] install PyObjc under EPD Python ?

2009-12-18T19:38:50Z

In article <BE9BC0C9-1331-4893-9B62-01F08FB3CCC7@...>,
Joost Rekveld <lists@...> wrote:
> and everybody writes PyObjc is already installed on Snow Leopard, but I don't
> know what path to add to my Pythonpath for it to be found ? Would it be that
> simple ?

You don't need to add anything if you use one of the Apple-supplied
Pythons in Snow Leopard:

$ /usr/bin/python2.6
Python 2.6.1 (r261:67515, Jul 7 2009, 23:51:51)
[GCC 4.2.1 (Apple Inc. build 5646)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import objc
>>> ^D
$ /usr/bin/python2.5
Python 2.5.4 (r254:67916, Jul 7 2009, 23:51:24)
[GCC 4.2.1 (Apple Inc. build 5646)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import objc
>>> ^D

--
Ned Deily,
nad@...

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[newbie] install PyObjc under EPD Python ?

2009-12-18T17:20:29Z

Hi,

i'm very new to this list, relatively new to Python, and don't manage to install PyObjc under the Enthought Python on Snow Leopard (distribution 5.1.1, which includes a Python 2.5.4).

- easy_install installs things in their desired places, but chokes on PyObjc-core
- macports starts installing all kinds of stuff where I don't want it (and quits when it doesn't find its own Python2.5 version).

and everybody writes PyObjc is already installed on Snow Leopard, but I don't know what path to add to my Pythonpath for it to be found ? Would it be that simple ?

and online I don't seem to find people having the same problem, so I must be missing something very obvious.
any help very much appreciated !

kind regards,

Joost.

-------------------------------------------

Joost Rekveld
----------- http://www.lumen.nu/rekveld

-------------------------------------------

"In theory, there is no difference between theory and practice.
In practice, there is."

(Jan L. A. van de Snepscheut)

-------------------------------------------

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Re: python-config ldflags problem on mac

2009-12-18T08:18:32Z

On Friday, December 18, 2009, at 04:51PM, "Robin" <robince@...> wrote:
>Hi,
>
>I have a problem with using python-config --ldflags on a Mac.

Could you please file a bug on bugs.python.org to ensure that I don't forget to apply a fix for this?

>
>Using my python.org install:
>robin-mbp:github robince$ which python-config
>/Library/Frameworks/Python.framework/Versions/2.5/bin/python-config
>robin-mbp:github robince$ python-config --ldflags
>-L/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/config
>-ldl -lpython2.5

The easiest workaround is to open a terminal window and execute the following commands:

cd /Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/config
ln -s libpython2.5.a libpython2.5.dylib

This will ensure that the OSX linker knows that libpython is a shared library and links to this library. By default the OSX linker searches for a .dylib on the entire linker path and only then looks for .a files.

BTW. python-config doesn't link using '-framework Python' on purpose: it is impossible to select the framework version that way (e.g. link to python 2.5 when you have 2.5, 2.6 and 3.1 installed)

Ronald
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python-config ldflags problem on mac

2009-12-18T07:51:58Z

Hi,

I have a problem with using python-config --ldflags on a Mac.

Using my python.org install:
robin-mbp:github robince$ which python-config
/Library/Frameworks/Python.framework/Versions/2.5/bin/python-config
robin-mbp:github robince$ python-config --ldflags
-L/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/config
-ldl -lpython2.5

But if I build a C file with python embedded, the above linker flags
result it in it embedding the system python. Obviously the -lpython2.5
is picking up the system one in preference to the one on the -L path.

So far the only way I've got it to build against the one I want is with
LDFLAGS=-F/ -framework Python
(as well as -undefined dynamic_lookup -bundle, but I don't think
that's relevant to the problem)

However, I am looking for a way to determine this for users to
install. Shouldn't python-config return the right thing?

Is there something simple to add to LDFLAGS to allow -lpython2.5 to
choose the right one so I can continue to use python-config (ie only
search the path specified with -L) - this would allow the
python-config output to work correctly for both the system python or
user installed python.

Or is there another way to determine (in an external build tool like
make) the correct linker flags for the python in a users path (ie -F/
-framework Python).

Any advice appreciated,

Cheers

Robin
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Re: timeout of connection?

2009-12-18T03:45:34Z

Jon Christopher wrote:

>> Are you sure all commands are being executed?
>
> Reasonably, but I'll have to check again.

Always helps to be sure. Been there, done that.

>> What do the references produced by the following look like:
>>
>> print app("EyeTV").recordings.get()
>
>
> IIRC, it's a list of recording objects (defined in the EyeTV dictionary)
> which can then be passed back to EyeTV:
> [...]
> Now that I think about it, my app caches those recording objects for
> quite some time. Is there a possibility that they could expire or become
> invalidated over time?

Bear in mind that Apple event IPC uses queries, not pointers, to identify remote objects. (It's roughly analogous to sending XPath queries over XML-RPC.) The reason I ask to see an actual result is because some types of queries are more 'reliable' than others. Only the by-id reference form gives anything like a guarantee of locating the same object every time you use it in a command.

>> Have you tried enabling AEDebug and observing the events being sent?
>
> Interesting idea. Any suggestions on how to do so? My application
> is a plug-in for Front Row,
> and there's something weird about the way FR is started: there's a
> separate launcher app
> for the actual .app in /System/Library/Core Services/Front Row.app;
> I'm not sure if launching FR
> from the command line actually works, which makes setting the AEDebug
> environment variable
> problematic.

Try setting it on EyeTV.

http://developer.apple.com/mac/library/technotes/tn2004/tn2124.html#SECAE

has
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Re: timeout of connection?

2009-12-17T13:40:57Z

@ken: Oh, I'm all for "experimental computer science", I'll try the
new version when I get home.

@has:

> Is the EyeTV process running throughout, or does it quit and restart?

Running throughout.

> Are you sure all commands are being executed?

Reasonably, but I'll have to check again.

> What do the references produced by the following look like:
>
> print app("EyeTV").recordings.get()

IIRC, it's a list of recording objects (defined in the EyeTV dictionary)
which can then be passed back to EyeTV:

recs=app("EyeTV").recordings.get()
rec=recs[0]

app("EyeTV").play(rec) # play the recording

or inspected for properties:

rec.title.get() # return the title of the recording

Now that I think about it, my app caches those recording objects for
quite some time. Is there a possibility that they could expire or become
invalidated over time?

> Have you tried enabling AEDebug and observing the events being sent?

Interesting idea. Any suggestions on how to do so? My application
is a plug-in for Front Row,
and there's something weird about the way FR is started: there's a
separate launcher app
for the actual .app in /System/Library/Core Services/Front Row.app;
I'm not sure if launching FR
from the command line actually works, which makes setting the AEDebug
environment variable
problematic.

Finally, since my actual app is a plugin, and this problem only occurs
after FR and the machine have been idle
for a long time, it's really difficult to debug/reproduce, as the
testing cycle currently is "make a code change, wait 18-24h with the
computer idle to see if the intermittent problem reoccurs." Not fun.
Finally, restarting *Front Row* clears up the problem. If anyone
has any bright ideas about how to speed up this turn-around time, I'd
be delighted to hear them.

Thanks again,
Jon
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Re: timeout of connection?

2009-12-17T13:09:53Z

Jon Christopher wrote:

> So, I'll reiterate my request. Can can any of the appscript gurus
> think of any reason why
> the following (pseudo) code should fail:
>
>
> import appscript
> id=app("EyeTV").recordings.get()[0]
> app("EyeTV").play(id) # works just fine
> app("EyeTV").stop() #works just fine
>
> go_do_other_stuff_possibly_in_other_threads_for_a_really_long_time()
>
> app("EyeTV").play(id) # has no effect

Is the EyeTV process running throughout, or does it quit and restart?

Are you sure all commands are being executed?

What do the references produced by the following look like:

print app("EyeTV").recordings.get()

Have you tried enabling AEDebug and observing the events being sent?

has

--
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http://appscript.sourceforge.net

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Re: timeout of connection?

2009-12-17T12:24:01Z

On Thu, Dec 17, 2009 at 2:51 PM, Jon Christopher <jon.christopher@...> wrote:

Thanks, I'll try the fix when I get home. However, I should reiterate
that I'm not seeing a timeout (which would cause an exception,
right?). It's just that I (eventually) issue an applescript command
which seems to go nowhere.

As I understand the id-rollover bug:

1) it will cause events which want a reply to eventually timeout.
2) which would trigger a python exception

I'm not sure how that would be at play here since:

1) the command I'm sending doesn't (apparently) need a reply
2) I'm not getting exceptions.

Did I missunderstand something?

i don't think you're misunderstanding anything, but the two sets of circumstances are not mutually exclusive. i don't know what the system you're dealing with is doing with the command you're sending, in particular (1) whether it's internally issuing a command that does need a reply, in the course of its handling - that seems likely - and (2) whether it's "protecting" against runtime disruption by swallowing any exceptions encountered. perhaps you know all the systems involved well enough to be sure this isn't happening. though it's often bad practice to swallow errors without any signs, (2) is not unusual or unwarranted in executive style programs, though they should issue some kind of warning, like in a log, that can be missed, and too often nothing is issued at all.

that doesn't mean the problem is happening and being covered up, just that it might be, and a little bit of "experimental computer science" is probably worth the effort.
--
ken
http://myriadicity.net

On Thu, Dec 17, 2009 at 11:10 AM, ken manheimer <ken.manheimer@...> wrote:
> On Thu, Dec 17, 2009 at 1:26 PM, Brad Howes <howes@...> wrote:
>>
>> On Dec 16, 2009, at 2:26 PM, Jon Christopher wrote:
>>
>> > Thanks for the reply, Brad.
>> >
>> > I'm not familiar with the issue you describe. Can you provide a
>> > pointer to some related info? How would I test to see if my script is
>> > affected?
>>
>> http://db.tidbits.com/article/10643
>
> and see these threads for the description of the problem in python appscript
> and the fix:
>
> http://old.nabble.com/-ann--appscript-0.20.2-tt26413893.html
> and
> http://old.nabble.com/-ann--py-appscript-0.21.0-tt26634638.html
>
> note that i experienced the problem in leopard as well as snow leopard. it
> does seem to be well explained by the return id problem, even though the
> above article attributes it to only snow leopard. plus, has' fix seems to
> have completely resolved the problem that i was, until the fix, seeing
> consistently. has the update failed to settle the problem you're seeing?
> --
> ken
> http://myriadicity.net
>
>
>>
>> --
>> Brad Howes
>> Group 42
>> MIT Lincoln Laboratory • 244 Wood St. • Lexington, MA 02173
>> Phone: 781.981.5292 • Fax: 781.981.3495 • Secretary: 781.981.7420
>
>

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Re: timeout of connection?

2009-12-17T11:51:27Z

Thanks, I'll try the fix when I get home. However, I should reiterate
that I'm not seeing a timeout (which would cause an exception,
right?). It's just that I (eventually) issue an applescript command
which seems to go nowhere.

As I understand the id-rollover bug:

1) it will cause events which want a reply to eventually timeout.
2) which would trigger a python exception

I'm not sure how that would be at play here since:

1) the command I'm sending doesn't (apparently) need a reply
2) I'm not getting exceptions.

Did I missunderstand something?

On Thu, Dec 17, 2009 at 11:10 AM, ken manheimer <ken.manheimer@...> wrote:

> On Thu, Dec 17, 2009 at 1:26 PM, Brad Howes <howes@...> wrote:
>>
>> On Dec 16, 2009, at 2:26 PM, Jon Christopher wrote:
>>
>> > Thanks for the reply, Brad.
>> >
>> > I'm not familiar with the issue you describe. Can you provide a
>> > pointer to some related info? How would I test to see if my script is
>> > affected?
>>
>> http://db.tidbits.com/article/10643
>
> and see these threads for the description of the problem in python appscript
> and the fix:
>
> http://old.nabble.com/-ann--appscript-0.20.2-tt26413893.html
> and
> http://old.nabble.com/-ann--py-appscript-0.21.0-tt26634638.html
>
> note that i experienced the problem in leopard as well as snow leopard. it
> does seem to be well explained by the return id problem, even though the
> above article attributes it to only snow leopard. plus, has' fix seems to
> have completely resolved the problem that i was, until the fix, seeing
> consistently. has the update failed to settle the problem you're seeing?
> --
> ken
> http://myriadicity.net
>
>
>>
>> --
>> Brad Howes
>> Group 42
>> MIT Lincoln Laboratory • 244 Wood St. • Lexington, MA 02173
>> Phone: 781.981.5292 • Fax: 781.981.3495 • Secretary: 781.981.7420
>
>

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Re: timeout of connection?

2009-12-17T11:10:57Z

On Thu, Dec 17, 2009 at 1:26 PM, Brad Howes <howes@...> wrote:

On Dec 16, 2009, at 2:26 PM, Jon Christopher wrote:

> Thanks for the reply, Brad.
>
> I'm not familiar with the issue you describe. Can you provide a
> pointer to some related info? How would I test to see if my script is
> affected?

http://db.tidbits.com/article/10643

and see these threads for the description of the problem in python appscript and the fix:

http://old.nabble.com/-ann--appscript-0.20.2-tt26413893.html
and
http://old.nabble.com/-ann--py-appscript-0.21.0-tt26634638.html

note that i experienced the problem in leopard as well as snow leopard. it does seem to be well explained by the return id problem, even though the above article attributes it to only snow leopard. plus, has' fix seems to have completely resolved the problem that i was, until the fix, seeing consistently. has the update failed to settle the problem you're seeing?
--
ken
http://myriadicity.net

--
Brad Howes
Group 42
MIT Lincoln Laboratory • 244 Wood St. • Lexington, MA 02173
Phone: 781.981.5292 • Fax: 781.981.3495 • Secretary: 781.981.7420

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Re: timeout of connection?

2009-12-17T11:01:30Z

Thanks again Brad. The link and the related peek into the underlying
operation of Apple Events was
instructuve. Unfortunately, my particular bug shows up under Leopard
too, not just Snow Leopard, so I don't think it's related.

So, I'll reiterate my request. Can can any of the appscript gurus
think of any reason why
the following (pseudo) code should fail:

import appscript
id=app("EyeTV").recordings.get()[0]
app("EyeTV").play(id) # works just fine
app("EyeTV").stop() #works just fine

go_do_other_stuff_possibly_in_other_threads_for_a_really_long_time()

app("EyeTV").play(id) # has no effect

Thanks for your time.

-Jon

On Thu, Dec 17, 2009 at 10:26 AM, Brad Howes <howes@...> wrote:

> On Dec 16, 2009, at 2:26 PM, Jon Christopher wrote:
>
>> Thanks for the reply, Brad.
>>
>> I'm not familiar with the issue you describe. Can you provide a
>> pointer to some related info? How would I test to see if my script is
>> affected?
>
> http://db.tidbits.com/article/10643
>
> --
> Brad Howes
> Group 42
> MIT Lincoln Laboratory • 244 Wood St. • Lexington, MA 02173
> Phone: 781.981.5292 • Fax: 781.981.3495 • Secretary: 781.981.7420
>
>
>
>
>

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Re: timeout of connection?

2009-12-17T10:26:53Z

On Dec 16, 2009, at 2:26 PM, Jon Christopher wrote:

> Thanks for the reply, Brad.
>
> I'm not familiar with the issue you describe. Can you provide a
> pointer to some related info? How would I test to see if my script is
> affected?

http://db.tidbits.com/article/10643

--
Brad Howes
Group 42
MIT Lincoln Laboratory • 244 Wood St. • Lexington, MA 02173
Phone: 781.981.5292 • Fax: 781.981.3495 • Secretary: 781.981.7420

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Re: timeout of connection?

2009-12-16T11:26:57Z

Thanks for the reply, Brad.

I'm not familiar with the issue you describe. Can you provide a
pointer to some related info? How would I test to see if my script is
affected?

Thanks again,
Jon

On Wed, Dec 16, 2009 at 10:25 AM, Brad Howes <howes@...> wrote:

> On Dec 15, 2009, at 4:14 PM, Jon Christopher wrote:
>
>> It seems that after Front Row has been idle for quite some time
>> (perhaps 12 hours or more), and I then attempt to
>> play a recording, it doesn't seem like the message is sent to EyeTV,
>> (or perhaps it's just not received; I can't really tell.) If I then
>> restart Front Row (and therefore python) and try again, it works 100%
>> of the time, until it's been idle again for a long time.
>
>
> I too have encountered this issue for a long-living connecting to an iTunes process. Not sure if it was connected to the notorious wrap-around bug in AppleScript message IDs, but after upgrading my appscript install, it has not materialized in weeks.
>
> Brad
>
> --
> PySLiMP3 - Python + ITunes + SLiMP3 (http://code.google.com/p/pyslimp3)
>
> _______________________________________________
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> http://mail.python.org/mailman/listinfo/pythonmac-sig
>

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Re: timeout of connection?

2009-12-16T10:25:52Z

On Dec 15, 2009, at 4:14 PM, Jon Christopher wrote:

> It seems that after Front Row has been idle for quite some time
> (perhaps 12 hours or more), and I then attempt to
> play a recording, it doesn't seem like the message is sent to EyeTV,
> (or perhaps it's just not received; I can't really tell.) If I then
> restart Front Row (and therefore python) and try again, it works 100%
> of the time, until it's been idle again for a long time.

I too have encountered this issue for a long-living connecting to an iTunes process. Not sure if it was connected to the notorious wrap-around bug in AppleScript message IDs, but after upgrading my appscript install, it has not materialized in weeks.

Brad

--
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timeout of connection?

2009-12-15T13:14:24Z

I'm the developer of PyeTV (http://code.google.com/p/pyetv/), a Front
Row plugin for EyeTV.
I'm experiencing some weird behavior that I'd like to ask the experts
here about.

Essentially all PyeTV does is communicate with EyeTV via appscript and
throw up a few menu options in Front Row. When the user activates a
menu option for playing a recording, it sends the appropriate
appscript command to EyeTV, something like:

app("EyeTV").play(id)

where "id" is the stored integer id of the recording to play. In
general, this works quite well, however, there are certain
curcumstances where it seems that EyeTV never gets the message to play
the recording.

It seems that after Front Row has been idle for quite some time
(perhaps 12 hours or more), and I then attempt to
play a recording, it doesn't seem like the message is sent to EyeTV,
(or perhaps it's just not received; I can't really tell.) If I then
restart Front Row (and therefore python) and try again, it works 100%
of the time, until it's been idle again for a long time.

I haven't been able to observe anything unusual in the logs, and am
beginning to grasp at straws for an explanation here. I've stared at
my code and poked and prodded it until my eyes have started bleeding,
all to no avail.

I'm beginning to wonder if the problem might lie in some of the
behind-the-scenes implementation details of appscript. Perhaps
there's some sort of caching of connections to applications which
times at some point.

In any case, can any of the appscript gurus think of any reason why
the following (pseudo) code should fail:

import appscript
id=app("EyeTV").recordings.get()[0]
app("EyeTV").play(id) # works just fine
app("EyeTV").stop() #works just fine

go_do_other_stuff_possibly_in_other_threads_for_a_really_long_time()

app("EyeTV").play(id) # has no effect

Thanks,
Jon

Again, I've researched this quite a bit, and haven't
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Re: Problems with py2app and qt

2009-12-15T12:27:10Z

Brilliant...it turned out that the Qt libraries were being loaded *twice* – once from inside the bundle and once from the libraries on my computer.

The hack fix was to create a qt.conf file inside Contents/Resources and give it a bad path...this way only the libraries inside the bundle are being loaded. Putting this inside qt.conf:

[Paths]
Plugins = bollocks

Did the trick :)

Thanks Emanuele!

On Tue, Dec 15, 2009 at 12:45 PM, Emanuele Santos <emanuelesantos@...> wrote:

Maybe your app is loading the wrong libs?
Try running from the terminal and printing the libs that are being loaded:

$ cd /path/to/your/bundle.app/Contents/MacOS
$ DYLD_PRINT_LIBRARIES=1 ./your_app

Check if all the Qt and PyQt libraries loaded are in your bundle.

-- Emanuele.

On Dec 15, 2009, at 10:30 AM, aditya bhargava wrote:

It's a memory issue with Qt I think. The other interesting thing is, this problem doesn't occur if I build the app in alias mode with the -A flag...but of course that's not too useful if I want to distribute applications.

Here's the issue I get:

Exception: EXC_BAD_ACCESS (0x0001)
Codes: KERN_PROTECTION_FAILURE (0x0002) at 0x00000000

Thread 0 Crashed:
0 QtGui 0x167c792d QWidget::isActiveWindow() const + 141
1 QtGui 0x16c6fd2e QAccessibleWidget::state(int) const + 222
2 QtGui 0x16c6fd73 QAccessibleWidgetEx::state(int) const + 35
3 libqtaccessiblewidgets.dylib 0x16197b9d QAccessibleLineEdit::state(int) const + 33
4 QtGui 0x028f2178 QAccessible::cleanup() + 14728
5 QtGui 0x028f7016 QAccessible::cleanup() + 34854
6 QtGui 0x028f750d QAccessible::updateAccessibility(QObject*, int, QAccessible::Event) + 621
7 QtGui 0x02954e7a QWidgetPrivate::show_helper() + 330
8 QtGui 0x02955553 QWidget::setVisible(bool) + 1267
9 QtGui.so 0x02234aa5 sipQLineEdit::setVisible(bool) + 101
10 QtGui 0x02954cd8 QWidgetPrivate::showChildren(bool) + 328
11 QtGui 0x02954d8c QWidgetPrivate::show_helper() + 92
12 QtGui 0x02955553 QWidget::setVisible(bool) + 1267
13 QtGui.so 0x02417f11 sipQWidget::setVisible(bool) + 101
14 QtGui 0x02954cd8 QWidgetPrivate::showChildren(bool) + 328
15 QtGui 0x02954d8c QWidgetPrivate::show_helper() + 92
16 QtGui 0x02955553 QWidget::setVisible(bool) + 1267
17 QtGui.so 0x02417f11 sipQWidget::setVisible(bool) + 101
18 QtGui.so 0x02420150 sipQWidget::sipProtectVirt_languageChange(bool) + 25936
19 org.python.python 0x00499c5d PyEval_EvalFrameEx + 19936
20 org.python.python 0x0049b8ad PyEval_EvalCodeEx + 1819
21 org.python.python 0x0049ba61 PyEval_EvalCode + 87
22 org.python.python 0x004bf1d0 PyRun_FileExFlags + 260
23 org.python.python 0x0048fe3d PyAST_FromNode + 7784
24 org.python.python 0x00499c5d PyEval_EvalFrameEx + 19936
25 org.python.python 0x0049b8ad PyEval_EvalCodeEx + 1819
26 org.python.python 0x00498f2e PyEval_EvalFrameEx + 16561
27 org.python.python 0x0049b8ad PyEval_EvalCodeEx + 1819
28 org.python.python 0x0049ba61 PyEval_EvalCode + 87
29 org.python.python 0x004bf1d0 PyRun_FileExFlags + 260
30 org.python.python 0x004bf56a PyRun_SimpleFileExFlags + 640
31 org.python.python 0x004bf70d PyRun_SimpleFile + 40
32 ...cified.softwareRequirements 0x00007b9f start + 23863
33 ...cified.softwareRequirements 0x00008091 main + 297
34 ...cified.softwareRequirements 0x00001f63 start + 251
35 ...cified.softwareRequirements 0x00001e91 start + 41

Thread 0 crashed with X86 Thread State (32-bit):
eax: 0x00000000 ebx: 0x028f2007 ecx: 0x16784105 edx: 0x00000000
edi: 0x003bc630 esi: 0x003ab8a0 ebp: 0xbfffdce8 esp: 0xbfffdcc0
ss: 0x0000001f efl: 0x00010246 eip: 0x167c792d cs: 0x00000017
ds: 0x0000001f es: 0x0000001f fs: 0x00000000 gs: 0x00000037
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Re: coercing to text (Adam Morris)

2009-12-15T10:48:12Z

Adam Morris wrote:

> ASTranslate tells me that
> tell application "Pages" to tell front document to get selection as text
> should be
> app(u'Pages').documents[1].selection.get(resulttype=k.unicode_text)
>
> but that doesn't return what I want (a reference? ... hardly useful!). Yet:
>
> app('Pages').documents[1].selection()()
>
> returns what I want. The unicode text.
>
> I don't get what that 'extra' set of parens is doing. What implicit function
> is being called? Can't imagine it's get().

app('Pages').documents[1].selection()()

is shorthand for:

app('Pages').documents[1].selection.get().get()

First command asks for the selection property's value; Pages returns a reference representing a text range. Second command asks for the specified text range, Pages returns the characters in that range as a (Unicode) string.

> I'm obviously missing something here, but no idea what! ASTranslate seems to
> be missing it too. Thanks for your help!

ASTranslate only tells you what events AppleScript sent. In this case, it looks like Pages is completely ignoring the return type argument and always returning a reference (Apple never laid down hard rules about how this feature should work, so different applications do all sorts of different things - though most just ignore it).

If the value returned by an application command isn't of the type you specified, AppleScript will make its own attempt to correct this by coercing the value itself - and AS resolves coercing a reference by packing it into a 'get' event and sending it off for the application to evaluate. (You won't see that second event in ASTranslate unless the 'send events to app' option is checked.)

Appscript replicates most AppleScript behaviours for sake of application compatibility, but doesn't try to mimic this sort of opaque, non-publicly documented magic (e.g. no implicit gets, no munging of 'count' commands) just because it's tricky to figure out exactly what AS is doing at times, and mimicking it badly is worse than not mimicking it at all. So what you ask appscript for is exactly what you get, and 98% of the time it's what AS would have asked for as well. It's the other 2% of corner cases that are tricky to fathom, but once you understand what's going on it should be straightforward to rephrase your requests appropriately - in this case by sending a second 'get' command yourself.

HTH

has
--
Control AppleScriptable applications from Python, Ruby and ObjC:
http://appscript.sourceforge.net

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Re: Problems with py2app and qt

2009-12-15T10:45:37Z

Maybe your app is loading the wrong libs?
Try running from the terminal and printing the libs that are being
loaded:

$ cd /path/to/your/bundle.app/Contents/MacOS
$ DYLD_PRINT_LIBRARIES=1 ./your_app

Check if all the Qt and PyQt libraries loaded are in your bundle.

-- Emanuele.

On Dec 15, 2009, at 10:30 AM, aditya bhargava wrote:

> It's a memory issue with Qt I think. The other interesting thing is,
> this problem doesn't occur if I build the app in alias mode with the
> -A flag...but of course that's not too useful if I want to
> distribute applications.
>
> Here's the issue I get:
>
>
> Exception: EXC_BAD_ACCESS (0x0001)
> Codes: KERN_PROTECTION_FAILURE (0x0002) at 0x00000000
>
> Thread 0 Crashed:
> 0 QtGui 0x167c792d
> QWidget::isActiveWindow() const + 141
> 1 QtGui 0x16c6fd2e
> QAccessibleWidget::state(int) const + 222
> 2 QtGui 0x16c6fd73
> QAccessibleWidgetEx::state(int) const + 35
> 3 libqtaccessiblewidgets.dylib 0x16197b9d
> QAccessibleLineEdit::state(int) const + 33
> 4 QtGui 0x028f2178
> QAccessible::cleanup() + 14728
> 5 QtGui 0x028f7016
> QAccessible::cleanup() + 34854
> 6 QtGui 0x028f750d
> QAccessible::updateAccessibility(QObject*, int, QAccessible::Event)
> + 621
> 7 QtGui 0x02954e7a
> QWidgetPrivate::show_helper() + 330
> 8 QtGui 0x02955553
> QWidget::setVisible(bool) + 1267
> 9 QtGui.so 0x02234aa5
> sipQLineEdit::setVisible(bool) + 101
> 10 QtGui 0x02954cd8
> QWidgetPrivate::showChildren(bool) + 328
> 11 QtGui 0x02954d8c
> QWidgetPrivate::show_helper() + 92
> 12 QtGui 0x02955553
> QWidget::setVisible(bool) + 1267
> 13 QtGui.so 0x02417f11
> sipQWidget::setVisible(bool) + 101
> 14 QtGui 0x02954cd8
> QWidgetPrivate::showChildren(bool) + 328
> 15 QtGui 0x02954d8c
> QWidgetPrivate::show_helper() + 92
> 16 QtGui 0x02955553
> QWidget::setVisible(bool) + 1267
> 17 QtGui.so 0x02417f11
> sipQWidget::setVisible(bool) + 101
> 18 QtGui.so 0x02420150
> sipQWidget::sipProtectVirt_languageChange(bool) + 25936
> 19 org.python.python 0x00499c5d PyEval_EvalFrameEx
> + 19936
> 20 org.python.python 0x0049b8ad PyEval_EvalCodeEx
> + 1819
> 21 org.python.python 0x0049ba61 PyEval_EvalCode + 87
> 22 org.python.python 0x004bf1d0 PyRun_FileExFlags
> + 260
> 23 org.python.python 0x0048fe3d PyAST_FromNode +
> 7784
> 24 org.python.python 0x00499c5d PyEval_EvalFrameEx
> + 19936
> 25 org.python.python 0x0049b8ad PyEval_EvalCodeEx
> + 1819
> 26 org.python.python 0x00498f2e PyEval_EvalFrameEx
> + 16561
> 27 org.python.python 0x0049b8ad PyEval_EvalCodeEx
> + 1819
> 28 org.python.python 0x0049ba61 PyEval_EvalCode + 87
> 29 org.python.python 0x004bf1d0 PyRun_FileExFlags
> + 260
> 30 org.python.python 0x004bf56a
> PyRun_SimpleFileExFlags + 640
> 31 org.python.python 0x004bf70d PyRun_SimpleFile +
> 40
> 32 ...cified.softwareRequirements 0x00007b9f start + 23863
> 33 ...cified.softwareRequirements 0x00008091 main + 297
> 34 ...cified.softwareRequirements 0x00001f63 start + 251
> 35 ...cified.softwareRequirements 0x00001e91 start + 41
>
> Thread 0 crashed with X86 Thread State (32-bit):
> eax: 0x00000000 ebx: 0x028f2007 ecx: 0x16784105 edx: 0x00000000
> edi: 0x003bc630 esi: 0x003ab8a0 ebp: 0xbfffdce8 esp: 0xbfffdcc0
> ss: 0x0000001f efl: 0x00010246 eip: 0x167c792d cs: 0x00000017
> ds: 0x0000001f es: 0x0000001f fs: 0x00000000 gs: 0x00000037
> _______________________________________________
> Pythonmac-SIG maillist - Pythonmac-SIG@...
> http://mail.python.org/mailman/listinfo/pythonmac-sig

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Re: Problems with py2app and qt

2009-12-15T09:30:23Z

It's a memory issue with Qt I think. The other interesting thing is, this problem doesn't occur if I build the app in alias mode with the -A flag...but of course that's not too useful if I want to distribute applications.

Here's the issue I get:

Exception: EXC_BAD_ACCESS (0x0001)
Codes:      KERN_PROTECTION_FAILURE (0x0002) at 0x00000000

Thread 0 Crashed:
0   QtGui                              0x167c792d QWidget::isActiveWindow() const + 141
1   QtGui                              0x16c6fd2e QAccessibleWidget::state(int) const + 222
2   QtGui                              0x16c6fd73 QAccessibleWidgetEx::state(int) const + 35
3   libqtaccessiblewidgets.dylib       0x16197b9d QAccessibleLineEdit::state(int) const + 33
4   QtGui                              0x028f2178 QAccessible::cleanup() + 14728
5   QtGui                              0x028f7016 QAccessible::cleanup() + 34854
6   QtGui                              0x028f750d QAccessible::updateAccessibility(QObject*, int, QAccessible::Event) + 621
7   QtGui                              0x02954e7a QWidgetPrivate::show_helper() + 330
8   QtGui                              0x02955553 QWidget::setVisible(bool) + 1267
9   QtGui.so                           0x02234aa5 sipQLineEdit::setVisible(bool) + 101
10 QtGui                              0x02954cd8 QWidgetPrivate::showChildren(bool) + 328
11 QtGui                              0x02954d8c QWidgetPrivate::show_helper() + 92
12 QtGui                              0x02955553 QWidget::setVisible(bool) + 1267
13 QtGui.so                           0x02417f11 sipQWidget::setVisible(bool) + 101
14 QtGui                              0x02954cd8 QWidgetPrivate::showChildren(bool) + 328
15 QtGui                              0x02954d8c QWidgetPrivate::show_helper() + 92
16 QtGui                              0x02955553 QWidget::setVisible(bool) + 1267
17 QtGui.so                           0x02417f11 sipQWidget::setVisible(bool) + 101
18 QtGui.so                           0x02420150 sipQWidget::sipProtectVirt_languageChange(bool) + 25936
19 org.python.python                  0x00499c5d PyEval_EvalFrameEx + 19936
20 org.python.python                  0x0049b8ad PyEval_EvalCodeEx + 1819
21 org.python.python                  0x0049ba61 PyEval_EvalCode + 87
22 org.python.python                  0x004bf1d0 PyRun_FileExFlags + 260
23 org.python.python                  0x0048fe3d PyAST_FromNode + 7784
24 org.python.python                  0x00499c5d PyEval_EvalFrameEx + 19936
25 org.python.python                  0x0049b8ad PyEval_EvalCodeEx + 1819
26 org.python.python                  0x00498f2e PyEval_EvalFrameEx + 16561
27 org.python.python                  0x0049b8ad PyEval_EvalCodeEx + 1819
28 org.python.python                  0x0049ba61 PyEval_EvalCode + 87
29 org.python.python                  0x004bf1d0 PyRun_FileExFlags + 260
30 org.python.python                  0x004bf56a PyRun_SimpleFileExFlags + 640
31 org.python.python                  0x004bf70d PyRun_SimpleFile + 40
32 ...cified.softwareRequirements     0x00007b9f start + 23863
33 ...cified.softwareRequirements     0x00008091 main + 297
34 ...cified.softwareRequirements     0x00001f63 start + 251
35 ...cified.softwareRequirements     0x00001e91 start + 41

Thread 0 crashed with X86 Thread State (32-bit):
eax: 0x00000000 ebx: 0x028f2007 ecx: 0x16784105 edx: 0x00000000
edi: 0x003bc630 esi: 0x003ab8a0 ebp: 0xbfffdce8 esp: 0xbfffdcc0
   ss: 0x0000001f efl: 0x00010246 eip: 0x167c792d   cs: 0x00000017
   ds: 0x0000001f   es: 0x0000001f   fs: 0x00000000   gs: 0x00000037

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