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Re: [Pyobjc-dev] pyobjc 2.3 install fails

[Mark S. <sie...@st...>]

>> error: Could not find required distribution pyobjc-core
>>
>> As far as I can tell, some part of it must be missing from pypi.  Any ideas?
> 
> That's odd, pyobjc-core is on pypi and should work just fine.
> 
> Could you try "easy_install pyobjc-core==2.3" followed running "python setup.py install" for pyobjc itself again?


I did this:

setenv PYTHONPATH     /Users/sienkiew/py/lib/python2.7/site-packages
easy_install --prefix ~/py pyobjc-core==2.3

It installed something that involved compiling a lot of C code.  During the install, there were a few things that look broken, though:


libtool: link: ar cru .libs/libxml2.a  SAX.o entities.o encoding.o error.o parserInternals.o parser.o tree.o hash.o list.o xmlIO.o xmlmemory o uri.o valid.o xlink.o HTMLparser.o HTMLtree.o debugXML.o xpath.o xpointer.o xinclude.o nanohttp.o nanoftp.o DOCBparser.o catalog.o globals o threads.o c14n.o xmlstring.o xmlregexp.o xmlschemas.o xmlschemastypes.o xmlunicode.o xmlreader.o relaxng.o dict.o SAX2.o xmlwriter.o legac .o chvalid.o pattern.o xmlsave.o xmlmodule.o schematron.o
ranlib: file: .libs/libxml2.a(SAX.o) has no symbols
ranlib: file: .libs/libxml2.a(xlink.o) has no symbols
ranlib: file: .libs/libxml2.a(HTMLparser.o) has no symbols
ranlib: file: .libs/libxml2.a(HTMLtree.o) has no symbols
... repeats for about 20 more files ...

Later, it finds the same problem again:

libtool: install: ranlib /private/var/folders/1w/1wzkS8Y4H44BBu-c3gTR7k++2Ws/-Tmp-/easy_install-7MaF7K/pyobjc-core-2.3/build/libxml/lib/libx l2.a
ranlib: file: /private/var/folders/1w/1wzkS8Y4H44BBu-c3gTR7k++2Ws/-Tmp-/easy_install-7MaF7K/pyobjc-core-2.3/build/libxml/lib/libxml2.a(SAX.o  has no symbols
ranlib: file: /private/var/folders/1w/1wzkS8Y4H44BBu-c3gTR7k++2Ws/-Tmp-/easy_install-7MaF7K/pyobjc-core-2.3/build/libxml/lib/libxml2.a(xlink o) has no symbols
...


And later:

Modules/objc/test/properties.m:24: warning: Mac OS X version 10.5 or later is needed for use of property
Modules/objc/test/properties.m:25: warning: Mac OS X version 10.5 or later is needed for use of property
Modules/objc/test/properties.m:26: warning: Mac OS X version 10.5 or later is needed for use of property
Modules/objc/test/properties.m:27: warning: Mac OS X version 10.5 or later is needed for use of property
Modules/objc/test/properties.m:27: warning: no 'assign', 'retain', or 'copy' attribute is specified - 'assign' is assumed
Modules/objc/test/properties.m:27: warning: 'assign' attribute (default) not appropriate for non-gc object property 'prop4'


It is 10.5.  system_profiler says "System Version: Mac OS X 10.5.8 (9L31a) )"

And finally:

Skipping installation of build/bdist.macosx-10.4-i386/egg/PyObjCTest/__init__.py (namespace package)
Skipping installation of build/bdist.macosx-10.4-i386/egg/PyObjCTest/arrays.so (namespace package)
Skipping installation of build/bdist.macosx-10.4-i386/egg/PyObjCTest/block.so (namespace package)
Skipping installation of build/bdist.macosx-10.4-i386/egg/PyObjCTest/cfsocket.so (namespace package)
Skipping installation of build/bdist.macosx-10.4-i386/egg/PyObjCTest/clinmeth.so (namespace package)
... another 90-100 lines of this, some for .so and some for .py files
Skipping installation of build/bdist.macosx-10.4-i386/egg/PyObjCTest/testclassandinst.so (namespace package)
Skipping installation of build/bdist.macosx-10.4-i386/egg/PyObjCTest/testoutputinitializer.so (namespace package)
Skipping installation of build/bdist.macosx-10.4-i386/egg/PyObjCTest/voidpointer.so (namespace package)
Adding pyobjc-core 2.3 to easy-install.pth file

Installed /Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_core-2.3-py2.7-macosx-10.4-i386.egg
Processing dependencies for pyobjc-core==2.3
Finished processing dependencies for pyobjc-core==2.3


The easy_install step did not produce a working pyobjc:

>>> import pyobjc
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: No module named pyobjc
>>> import sys
>>> sys.path
['', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_core-2.3-py2.7-macosx-10.4-i386.egg', '/usr/stsci/pyssg/2.7/distribute-0.6.10-py2.7.egg', '/usr/stsci/pyssg/2.7/Jinja2-2.2.1-py2.7.egg', '/usr/stsci/pyssg/2.7/Pygments-1.1.1-py2.7.egg', '/usr/stsci/pyssg/2.7/Sphinx-1.0.5-py2.7.egg', '/usr/stsci/pyssg/2.7/numpydoc-0.4-py2.7.egg', '/Users/sienkiew/py/lib/python2.7/site-packages', '/usr/stsci/pyssg/2.7', '/usr/stsci/pyssg/2.7/PIL', '/usr/stsci/pyssg/Python-2.7/lib/python27.zip', '/usr/stsci/pyssg/Python-2.7/lib/python2.7', '/usr/stsci/pyssg/Python-2.7/lib/python2.7/plat-darwin', '/usr/stsci/pyssg/Python-2.7/lib/python2.7/plat-mac', '/usr/stsci/pyssg/Python-2.7/lib/python2.7/plat-mac/lib-scriptpackages', '/usr/stsci/pyssg/Python-2.7/lib/python2.7/lib-tk', '/usr/stsci/pyssg/Python-2.7/lib/python2.7/lib-old', '/usr/stsci/pyssg/Python-2.7/lib/python2.7/lib-dynload', '/usr/stsci/pyssg/Python-2.7/lib/python2.7/site-packages', '/usr/stsci/pyssg/Python-2.7/lib/python2.7/site-pa
ckages/setuptools-0.6c11-py2.7.egg-info']
>>> 


So I continued with the setup.py install step:

 python setup.py install --prefix ~/py

It also skipped a lot of files:


Skipping installation of build/bdist.macosx-10.4-i386/egg/PyObjCTest/__init__.py (namespace package)
Skipping installation of build/bdist.macosx-10.4-i386/egg/PyObjCTest/test_caanimation.py (namespace package)
Skipping installation of build/bdist.macosx-10.4-i386/egg/PyObjCTest/test_cabase.py (namespace package)
Skipping installation of build/bdist.macosx-10.4-i386/egg/PyObjCTest/test_cacifilteradditions.py (namespace package)
Skipping installation of build/bdist.macosx-10.4-i386/egg/PyObjCTest/test_caconstraintlayoutmanager.py (namespace package)
...

That also did not produce a working system, but I have a lot more on pythonpath:



>>> import pyobjc
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: No module named pyobjc
>>> import sys
>>> sys.path
['', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_core-2.3-py2.7-macosx-10.4-i386.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc-2.3-py2.7.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_ScriptingBridge-2.3-py2.7.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_QTKit-2.3-py2.7.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_PubSub-2.3-py2.7.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_InterfaceBuilderKit-2.3-py2.7.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_InstantMessage-2.3-py2.7.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_InputMethodKit-2.3-py2.7.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_DictionaryServices-2.3-py2.7.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_Collaboration-2.3-py2.7.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framew
ork_CalendarStore-2.3-py2.7.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_XgridFoundation-2.3-py2.7.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_WebKit-2.3-py2.7.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_SystemConfiguration-2.3-py2.7-macosx-10.4-i386.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_SyncServices-2.3-py2.7.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_SearchKit-2.3-py2.7.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_ScreenSaver-2.3-py2.7-macosx-10.4-i386.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_Quartz-2.3-py2.7-macosx-10.4-i386.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_PreferencePanes-2.3-py2.7.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_Message-2.3-py2.7.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_La
unchServices-2.3-py2.7.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_LatentSemanticMapping-2.3-py2.7.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_InstallerPlugins-2.3-py2.7.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_FSEvents-2.3-py2.7-macosx-10.4-i386.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_ExceptionHandling-2.3-py2.7.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_CoreText-2.3-py2.7-macosx-10.4-i386.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_CoreData-2.3-py2.7.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_Cocoa-2.3-py2.7-macosx-10.4-i386.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_CFNetwork-2.3-py2.7-macosx-10.4-i386.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_Automator-2.3-py2.7.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc
_framework_AppleScriptKit-2.3-py2.7.egg', '/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_framework_AddressBook-2.3-py2.7.egg', '/usr/stsci/pyssg/2.7/distribute-0.6.10-py2.7.egg', '/usr/stsci/pyssg/2.7/Jinja2-2.2.1-py2.7.egg', '/usr/stsci/pyssg/2.7/Pygments-1.1.1-py2.7.egg', '/usr/stsci/pyssg/2.7/Sphinx-1.0.5-py2.7.egg', '/usr/stsci/pyssg/2.7/numpydoc-0.4-py2.7.egg', '/Users/sienkiew/py/lib/python2.7/site-packages', '/usr/stsci/pyssg/2.7', '/usr/stsci/pyssg/2.7/PIL', '/usr/stsci/pyssg/Python-2.7/lib/python27.zip', '/usr/stsci/pyssg/Python-2.7/lib/python2.7', '/usr/stsci/pyssg/Python-2.7/lib/python2.7/plat-darwin', '/usr/stsci/pyssg/Python-2.7/lib/python2.7/plat-mac', '/usr/stsci/pyssg/Python-2.7/lib/python2.7/plat-mac/lib-scriptpackages', '/usr/stsci/pyssg/Python-2.7/lib/python2.7/lib-tk', '/usr/stsci/pyssg/Python-2.7/lib/python2.7/lib-old', '/usr/stsci/pyssg/Python-2.7/lib/python2.7/lib-dynload', '/usr/stsci/pyssg/Python-2.7/lib/python2.7/site-packages', '/usr/stsci/p
yssg/Python-2.7/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg-info']


I also tried just "easy_install --prefix ~/py pyobjc==2.2"; it also did not result in a system where I could "import pyobjc".  In that instance, sys.path was:

['', '/Users/sienkiew/py2/lib/python2.7/site-packages/pyobjc-2.2-py2.7.egg', '/Users/sienkiew/py2/lib/python2.7/site-packages/pyobjc_framework_XgridFoundation-2.2-py2.7.egg', '/Users/sienkiew/py2/lib/python2.7/site-packages/pyobjc_framework_WebKit-2.2-py2.7.egg', '/Users/sienkiew/py2/lib/python2.7/site-packages/pyobjc_framework_SystemConfiguration-2.2-py2.7-macosx-10.4-i386.egg', '/Users/sienkiew/py2/lib/python2.7/site-packages/pyobjc_framework_SyncServices-2.2-py2.7.egg', '/Users/sienkiew/py2/lib/python2.7/site-packages/pyobjc_framework_SearchKit-2.2-py2.7.egg', '/Users/sienkiew/py2/lib/python2.7/site-packages/pyobjc_framework_ScreenSaver-2.2-py2.7-macosx-10.4-i386.egg', '/Users/sienkiew/py2/lib/python2.7/site-packages/pyobjc_framework_Quartz-2.2-py2.7-macosx-10.4-i386.egg', '/Users/sienkiew/py2/lib/python2.7/site-packages/pyobjc_framework_PreferencePanes-2.2-py2.7.egg', '/Users/sienkiew/py2/lib/python2.7/site-packages/pyobjc_framework_Message-2.2-py2.7.egg', '/Users/sienkie
w/py2/lib/python2.7/site-packages/pyobjc_framework_LaunchServices-2.2-py2.7.egg', '/Users/sienkiew/py2/lib/python2.7/site-packages/pyobjc_framework_LatentSemanticMapping-2.2-py2.7.egg', '/Users/sienkiew/py2/lib/python2.7/site-packages/pyobjc_framework_InstallerPlugins-2.2-py2.7.egg', '/Users/sienkiew/py2/lib/python2.7/site-packages/pyobjc_framework_FSEvents-2.2-py2.7-macosx-10.4-i386.egg', '/Users/sienkiew/py2/lib/python2.7/site-packages/pyobjc_framework_ExceptionHandling-2.2-py2.7.egg', '/Users/sienkiew/py2/lib/python2.7/site-packages/pyobjc_framework_CoreText-2.2-py2.7-macosx-10.4-i386.egg', '/Users/sienkiew/py2/lib/python2.7/site-packages/pyobjc_framework_CoreData-2.2-py2.7.egg', '/Users/sienkiew/py2/lib/python2.7/site-packages/pyobjc_framework_Cocoa-2.2-py2.7-macosx-10.4-i386.egg', '/Users/sienkiew/py2/lib/python2.7/site-packages/pyobjc_framework_CFNetwork-2.2-py2.7-macosx-10.4-i386.egg', '/Users/sienkiew/py2/lib/python2.7/site-packages/pyobjc_framework_Automator-2.2-py2.
7.egg', '/Users/sienkiew/py2/lib/python2.7/site-packages/pyobjc_framework_AppleScriptKit-2.2-py2.7.egg', '/Users/sienkiew/py2/lib/python2.7/site-packages/pyobjc_framework_AddressBook-2.2-py2.7.egg', '/Users/sienkiew/py2/lib/python2.7/site-packages/pyobjc_core-2.2-py2.7-macosx-10.4-i386.egg', '/usr/stsci/pyssg/2.7/distribute-0.6.10-py2.7.egg', '/usr/stsci/pyssg/2.7/Jinja2-2.2.1-py2.7.egg', '/usr/stsci/pyssg/2.7/Pygments-1.1.1-py2.7.egg', '/usr/stsci/pyssg/2.7/Sphinx-1.0.5-py2.7.egg', '/usr/stsci/pyssg/2.7/numpydoc-0.4-py2.7.egg', '/Users/sienkiew/py2/lib/python2.7/site-packages', '/usr/stsci/pyssg/2.7', '/usr/stsci/pyssg/2.7/PIL', '/usr/stsci/pyssg/Python-2.7/lib/python27.zip', '/usr/stsci/pyssg/Python-2.7/lib/python2.7', '/usr/stsci/pyssg/Python-2.7/lib/python2.7/plat-darwin', '/usr/stsci/pyssg/Python-2.7/lib/python2.7/plat-mac', '/usr/stsci/pyssg/Python-2.7/lib/python2.7/plat-mac/lib-scriptpackages', '/usr/stsci/pyssg/Python-2.7/lib/python2.7/lib-tk', '/usr/stsci/pyssg/Pytho
n-2.7/lib/python2.7/lib-old', '/usr/stsci/pyssg/Python-2.7/lib/python2.7/lib-dynload', '/usr/stsci/pyssg/Python-2.7/lib/python2.7/site-packages', '/usr/stsci/pyssg/Python-2.7/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg-info']


At this point, I'm thinking there must be something odd about my system that two different versions do not work at all, even when installed with easy_install.  Unfortunately, I don't really know enough about easy_install to know what questions to ask next.  Do you have any suggestions?

Mark S.

Re: [Pyobjc-dev] pyobjc 2.3 install fails

[Ronald O. <ron...@ma...>]

On 8 Dec, 2010, at 18:44, Mark Sienkiewicz wrote:

> Hi,
> 
> I downloaded pyobjc 2.3 fro http://pypi.python.org/pypi/pyobjc
> 
> When I do "setup.py install", it apparently downloads a bunch of other stuff, ending with:
> 
> ...
> Downloading http://pypi.python.org/packages/source/p/pyobjc-framework-SystemConfiguration/pyobjc-framework-SystemConfiguration-2.3.tar.gz#md5=4c38458240a9f5ead59a041ee496e89b
> Processing pyobjc-framework-SystemConfiguration-2.3.tar.gz
> Running pyobjc-framework-SystemConfiguration-2.3/setup.py -q bdist_egg --dist-dir /var/folders/1w/1wzkS8Y4H44BBu-c3gTR7k++2Ws/-Tmp-/easy_install-iwKHFq/pyobjc-framework-SystemConfiguration-2.3/egg-dist-tmp-l5sSob
> error: Could not find required distribution pyobjc-core
> 
> As far as I can tell, some part of it must be missing from pypi.  Any ideas?

That's odd, pyobjc-core is on pypi and should work just fine.

Could you try "easy_install pyobjc-core==2.3" followed running "python setup.py install" for pyobjc itself again?

Ronald
> 
> Mark S.
> 
> 
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[Pyobjc-dev] pyobjc 2.3 install fails

[Mark S. <sie...@st...>]

Hi,

I downloaded pyobjc 2.3 fro http://pypi.python.org/pypi/pyobjc

When I do "setup.py install", it apparently downloads a bunch of other stuff, ending with:

...
Downloading http://pypi.python.org/packages/source/p/pyobjc-framework-SystemConfiguration/pyobjc-framework-SystemConfiguration-2.3.tar.gz#md5=4c38458240a9f5ead59a041ee496e89b
Processing pyobjc-framework-SystemConfiguration-2.3.tar.gz
Running pyobjc-framework-SystemConfiguration-2.3/setup.py -q bdist_egg --dist-dir /var/folders/1w/1wzkS8Y4H44BBu-c3gTR7k++2Ws/-Tmp-/easy_install-iwKHFq/pyobjc-framework-SystemConfiguration-2.3/egg-dist-tmp-l5sSob
error: Could not find required distribution pyobjc-core

As far as I can tell, some part of it must be missing from pypi.  Any ideas?

Mark S.

Re: [Pyobjc-dev] runEventLoop() once.

[Ben A. <be...@ar...>]

A working example is attached. Props to <http://cocoawithlove.com/2009/01/demystifying-nsapplication-by.html>.

[Pyobjc-dev] NSAnyEventMask as unsigned int?

[Ben T. <bt...@gm...>]

I am getting an error when passing NSAnyEventMask, pyobjc complains
that it is the wrong magnitude.

Instead passing 0xffffff, apparently works.

I am using PyObjc 2.3 on OSC 10.6.8.

Thanks.

[Pyobjc-dev] Building 2.0 for Python 2.6 on 10.6.8.

[Ben T. <bt...@gm...>]

First of all, I am a Mac OS newbie. I am trying to build PyObjC 2.0
for Python 2.6. I am doing this because I have wxPython for 2.6, but
not 2.7 (the python shipped with the OS).

I started by installing python 2.6 from python.org.
I also installed Xcode 3.5 from Apple. I had to update my system from
10.6.2 to 10.6.8 in order to install Xcode.

I then checked out the pyobj branch:

svn co http://svn.red-bean.com/pyobjc/branches/pyobjc-20x-branch/ PyObjC

To build, I did:

cd PyObjC/pyobjc-core
python2.6 setup.py install

The first attempt failed with:

/usr/bin/gcc-4.2 -dynamiclib ${wl}-undefined ${wl}dynamic_lookup -o
.libs/libffi.5.0.9.dylib  src/.libs/debug.o src/.libs/prep_cif.o
src/.libs/types.o src/.libs/raw_api.o src/.libs/java_raw_api.o
src/.libs/closures.o src/powerpc/.libs/ffi_darwin.o
src/powerpc/.libs/darwin.o src/powerpc/.libs/darwin_closure.o
-L/opt/local/lib  -arch ppc -arch ppc -install_name
/opt/local/lib/libffi.5.dylib -compatibility_version 6
-current_version 6.9
ld: in src/powerpc/.libs/darwin.o, unsupported encoding in FDE

So I applied the patch from here:

https://trac.macports.org/attachment/ticket/21401/libffi.patch

I was then able to build and import pyobjc:

python2.6
> import pyobjc
>

However, I also want Cocoa, so I did the following to build it:

cd PyObjC/pyobjc-framework-Cocoa
python2.6 setup.py install

However, when that completed, I cannot import PyObjCTools.AppHelper:

python2.6
> from PyObjCTools import AppHelper
...
ValueError: Unknown typestr

The error is the same as noted below.

http://comments.gmane.org/gmane.comp.python.pyobjc.devel/5738

However, I am not able to find any solution to this. Any help is appreciated.

Re: [Pyobjc-dev] runEventLoop() once.

[Ben A. <be...@ar...>]

> while running:
>    AppHelper.runEventsOnce()
>    wx.RunEvents()
> 
> I have the wx side figured out, but I can't find any information on
> how to do something similar with pyobjc-cocoa.

The general idea is

[[NSRunLoop currentRunLoop] runUntilDate:[NSDate dateWithTimeIntervalSinceNow:cocoaTimeSlice]]

for some small value of cocoaTimeSlice that you will need to decide on your own.

-- 

<http://artins.org/ben>, <http://twitter.com/airbornemint>

"Calling computing 'computer science' is like calling surgery 'knife science'." — Edsger Dijkstra

[Pyobjc-dev] runEventLoop() once.

[Ben T. <bt...@gm...>]

I am sorry if this is not the correct forum for questions of this
nature, but I could not find anywhere else to pose this question.

I am trying to integrate the cocoa event loop with the wx event loop.
I basically need to be able to do this:

while running:
    AppHelper.runEventsOnce()
    wx.RunEvents()

I have the wx side figured out, but I can't find any information on
how to do something similar with pyobjc-cocoa. To re-iterate, I don't
want to enter into a loop, I simply want cocoa to process any pending
events and then return. I will iteratively call said function until
the program ends.

Re: [Pyobjc-dev] Current examples

[Ronald O. <ron...@ma...>]

On 25 Nov, 2010, at 7:39, Jair Gaxiola wrote:

> Hi,
> 
> He worked several months wiht pyobjc, now I need help  for create a
> app with multiviews in only window with interface builder. I searched
> in internet examples and I found few but are old.
> 
> Someone have examples most current?

There are examples on http://pyobjc.sf.net/  (direct link: <http://pyobjc.sourceforge.net/examples/index.html>).

I don't quite understand what you are trying to do, and can therefore not point you to a specific example.

Ronald

> 
> Greetings
> 
> -- 
> SIN ETIQUETAS.[ PUNTO ]
> http://flavors.me/jyr
> http://pythoncocoa.com
> http://opentumblr.com
> 
> ------------------------------------------------------------------------------
> Increase Visibility of Your 3D Game App & Earn a Chance To Win $500!
> Tap into the largest installed PC base & get more eyes on your game by
> optimizing for Intel(R) Graphics Technology. Get started today with the
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> http://p.sf.net/sfu/intelisp-dev2dev
> _______________________________________________
> Pyobjc-dev mailing list
> Pyo...@li...
> https://lists.sourceforge.net/lists/listinfo/pyobjc-dev

[Pyobjc-dev] Current examples

[Jair G. <jyr...@gm...>]

Hi,

He worked several months wiht pyobjc, now I need help  for create a
app with multiviews in only window with interface builder. I searched
in internet examples and I found few but are old.

Someone have examples most current?

Greetings

-- 
SIN ETIQUETAS.[ PUNTO ]
http://flavors.me/jyr
http://pythoncocoa.com
http://opentumblr.com

[Pyobjc-dev] ANN: PyGUI 2.3.1

[Greg E. <gre...@ca...>]

PyGUI 2.3.1 is available:

   http://www.cosc.canterbury.ac.nz/greg.ewing/python_gui/

This version incorporates a modification that I hope will
improve the behaviour of ScrollableViews on Windows with
pywin32 builds later than 212.

(There are still problems with it, though. If the Scrollable
View doesn't fill all of its containing window, the scroll
bars get repositioned incorrectly when the window is resized.
This appears to be entirely MFC's doing. I really will have to
get away from using CView altogether.)

This version also fixes a problem on Windows whereby dismissing
a modal dialog with the Return key could spuriously activate a
button in another window.


What is PyGUI?
--------------

PyGUI is a cross-platform GUI toolkit designed to be lightweight
and have a highly Pythonic API.

-- 
Gregory Ewing
gre...@ca...
http://www.cosc.canterbury.ac.nz/greg.ewing/

[Pyobjc-dev] ¡Luis Cota te ha dejado un mensaje en Badoo!

[Badoo <no...@ba...>]

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Este email es parte del procedimiento para que leas los mensajes de Luis Cota. Si has recibido este email por equivocación, por favor, ignóralo. Tras un corto periodo de tiempo el mensaje sera eliminado del sistema.

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[Pyobjc-dev] Installing for Python 3.1

[Colin M. <col...@ta...>]

Hello!

Could some kind person point me at instructions for installing PyObjC (any version, including SVN bleeding-edge) for use with Python 3.1 please?

I successfully installed PyObjC 2.3 for Python 2.6 but when I tried to repeat it for 3.1 it failed:

1.  Downloaded  pyobjc_core-2.3-py3.1-macosx-10.6-fat.egg  from the Python Package Index and installed it with    easy_install-3.1    ... OK

2.  Tried to install the frameworks with    easy_install-3.1 pyobjc==2.3    ... installed several frameworks OK but died on SystemConfiguration with the longest traceback I've ever seen, culminating in  "Exception: Oh no! I don't understand pattern WildcardPattern(None, (( ..."   from a lib2to3 module.  The full traceback is appended.

Thanks for any pointers you can give.
-- Colin
-----------------------------------------------------------------------------------

Searching for pyobjc-framework-SystemConfiguration==2.3
Reading http://pypi.python.org/simple/pyobjc-framework-SystemConfiguration/
Best match: pyobjc-framework-SystemConfiguration 2.3
Downloading http://pypi.python.org/packages/source/p/pyobjc-framework-SystemConfiguration/pyobjc-framework-SystemConfiguration-2.3.tar.gz#md5=4c38458240a9f5ead59a041ee496e89b
Processing pyobjc-framework-SystemConfiguration-2.3.tar.gz
Running pyobjc-framework-SystemConfiguration-2.3/setup.py -q bdist_egg --dist-dir /var/folders/-L/-LE6tUAPFWOeVy4nGDUywE+++TI/-Tmp-/easy_install-F8iQAW/pyobjc-framework-SystemConfiguration-2.3/egg-dist-tmp-qoAycq
Traceback (most recent call last):
 File "/Users/colin/bin/easy_install-3.1", line 9, in <module>
   load_entry_point('distribute==0.6.14', 'console_scripts', 'easy_install-3.1')()
 File "/Users/colin/Library/Python/3.1/site-packages/distribute-0.6.14-py3.1.egg/setuptools/command/easy_install.py", line 1855, in main
   with_ei_usage(lambda:
 File "/Users/colin/Library/Python/3.1/site-packages/distribute-0.6.14-py3.1.egg/setuptools/command/easy_install.py", line 1836, in with_ei_usage
   return f()
 File "/Users/colin/Library/Python/3.1/site-packages/distribute-0.6.14-py3.1.egg/setuptools/command/easy_install.py", line 1859, in <lambda>
   distclass=DistributionWithoutHelpCommands, **kw
 File "/Library/Frameworks/Python.framework/Versions/3.1/lib/python3.1/distutils/core.py", line 149, in setup
   dist.run_commands()
 File "/Library/Frameworks/Python.framework/Versions/3.1/lib/python3.1/distutils/dist.py", line 919, in run_commands
   self.run_command(cmd)
 File "/Library/Frameworks/Python.framework/Versions/3.1/lib/python3.1/distutils/dist.py", line 938, in run_command
   cmd_obj.run()
 File "/Users/colin/Library/Python/3.1/site-packages/distribute-0.6.14-py3.1.egg/setuptools/command/easy_install.py", line 342, in run
   self.easy_install(spec, not self.no_deps)
 File "/Users/colin/Library/Python/3.1/site-packages/distribute-0.6.14-py3.1.egg/setuptools/command/easy_install.py", line 582, in easy_install
   return self.install_item(spec, dist.location, tmpdir, deps)
 File "/Users/colin/Library/Python/3.1/site-packages/distribute-0.6.14-py3.1.egg/setuptools/command/easy_install.py", line 614, in install_item
   self.process_distribution(spec, dist, deps)
 File "/Users/colin/Library/Python/3.1/site-packages/distribute-0.6.14-py3.1.egg/setuptools/command/easy_install.py", line 666, in process_distribution
   [requirement], self.local_index, self.easy_install
 File "/Users/colin/Library/Python/3.1/site-packages/distribute-0.6.14-py3.1.egg/pkg_resources.py", line 544, in resolve
   dist = best[req.key] = env.best_match(req, self, installer)
 File "/Users/colin/Library/Python/3.1/site-packages/distribute-0.6.14-py3.1.egg/pkg_resources.py", line 786, in best_match
   return self.obtain(req, installer) # try and download/install
 File "/Users/colin/Library/Python/3.1/site-packages/distribute-0.6.14-py3.1.egg/pkg_resources.py", line 798, in obtain
   return installer(requirement)
 File "/Users/colin/Library/Python/3.1/site-packages/distribute-0.6.14-py3.1.egg/setuptools/command/easy_install.py", line 582, in easy_install
   return self.install_item(spec, dist.location, tmpdir, deps)
 File "/Users/colin/Library/Python/3.1/site-packages/distribute-0.6.14-py3.1.egg/setuptools/command/easy_install.py", line 612, in install_item
   dists = self.install_eggs(spec, download, tmpdir)
 File "/Users/colin/Library/Python/3.1/site-packages/distribute-0.6.14-py3.1.egg/setuptools/command/easy_install.py", line 802, in install_eggs
   return self.build_and_install(setup_script, setup_base)
 File "/Users/colin/Library/Python/3.1/site-packages/distribute-0.6.14-py3.1.egg/setuptools/command/easy_install.py", line 1079, in build_and_install
   self.run_setup(setup_script, setup_base, args)
 File "/Users/colin/Library/Python/3.1/site-packages/distribute-0.6.14-py3.1.egg/setuptools/command/easy_install.py", line 1068, in run_setup
   run_setup(setup_script, args)
 File "/Users/colin/Library/Python/3.1/site-packages/distribute-0.6.14-py3.1.egg/setuptools/sandbox.py", line 30, in run_setup
   lambda: exec(compile(open(
 File "/Users/colin/Library/Python/3.1/site-packages/distribute-0.6.14-py3.1.egg/setuptools/sandbox.py", line 71, in run
   return func()
 File "/Users/colin/Library/Python/3.1/site-packages/distribute-0.6.14-py3.1.egg/setuptools/sandbox.py", line 33, in <lambda>
   {'__file__':setup_script, '__name__':'__main__'})
 File "setup.py", line 22, in <module>
 File "/var/folders/-L/-LE6tUAPFWOeVy4nGDUywE+++TI/-Tmp-/easy_install-F8iQAW/pyobjc-framework-SystemConfiguration-2.3/pyobjc_setup.py", line 271, in setup
 File "/Library/Frameworks/Python.framework/Versions/3.1/lib/python3.1/distutils/core.py", line 149, in setup
   dist.run_commands()
 File "/Library/Frameworks/Python.framework/Versions/3.1/lib/python3.1/distutils/dist.py", line 919, in run_commands
   self.run_command(cmd)
 File "/Library/Frameworks/Python.framework/Versions/3.1/lib/python3.1/distutils/dist.py", line 938, in run_command
   cmd_obj.run()
 File "/Users/colin/Library/Python/3.1/site-packages/distribute-0.6.14-py3.1.egg/setuptools/command/bdist_egg.py", line 179, in run
   cmd = self.call_command('install_lib', warn_dir=0)
 File "/Users/colin/Library/Python/3.1/site-packages/distribute-0.6.14-py3.1.egg/setuptools/command/bdist_egg.py", line 166, in call_command
   self.run_command(cmdname)
 File "/Library/Frameworks/Python.framework/Versions/3.1/lib/python3.1/distutils/cmd.py", line 315, in run_command
   self.distribution.run_command(command)
 File "/Library/Frameworks/Python.framework/Versions/3.1/lib/python3.1/distutils/dist.py", line 938, in run_command
   cmd_obj.run()
 File "/Users/colin/Library/Python/3.1/site-packages/distribute-0.6.14-py3.1.egg/setuptools/command/install_lib.py", line 20, in run
   self.build()
 File "/Library/Frameworks/Python.framework/Versions/3.1/lib/python3.1/distutils/command/install_lib.py", line 106, in build
   self.run_command('build_py')
 File "/Library/Frameworks/Python.framework/Versions/3.1/lib/python3.1/distutils/cmd.py", line 315, in run_command
   self.distribution.run_command(command)
 File "/Library/Frameworks/Python.framework/Versions/3.1/lib/python3.1/distutils/dist.py", line 938, in run_command
   cmd_obj.run()
 File "/Users/colin/Library/Python/3.1/site-packages/distribute-0.6.14-py3.1.egg/setuptools/command/build_py.py", line 81, in run
   self.run_2to3(self.__updated_files, True)
 File "/Users/colin/Library/Python/3.1/site-packages/distribute-0.6.14-py3.1.egg/setuptools/command/build_py.py", line 40, in run_2to3
   r = DistutilsRefactoringTool(self.fixer_names)
 File "/Library/Frameworks/Python.framework/Versions/3.1/lib/python3.1/lib2to3/refactor.py", line 202, in __init__
   self.pre_order_heads = _get_headnode_dict(self.pre_order)
 File "/Library/Frameworks/Python.framework/Versions/3.1/lib/python3.1/lib2to3/refactor.py", line 81, in _get_headnode_dict
   heads = _get_head_types(fixer.pattern)
 File "/Library/Frameworks/Python.framework/Versions/3.1/lib/python3.1/lib2to3/refactor.py", line 70, in _get_head_types
   raise Exception("Oh no! I don't understand pattern %s" %(pat))
Exception: Oh no! I don't understand pattern WildcardPattern(None, ((NodePattern('power', [WildcardPattern(None, ((WildcardPattern(None, ((NodePattern(),),), 'base'), NodePattern('trailer', [WildcardPattern(None, ((LeafPattern(23, '.'), LeafPattern(1, 'next', 'attr')),))]), NodePattern('trailer', [WildcardPattern(None, ((LeafPattern(7, '('), LeafPattern(8, ')')),))])),))]),), (NodePattern('power', [WildcardPattern(None, ((WildcardPattern(None, ((NodePattern(),),), 'head'), NodePattern('trailer', [WildcardPattern(None, ((LeafPattern(23, '.'), LeafPattern(1, 'next', 'attr')),))]), NegatedPattern(None, NodePattern('trailer', [WildcardPattern(None, ((LeafPattern(7, '('), LeafPattern(8, ')')),))]))),))]),), (NodePattern('classdef', [WildcardPattern(None, ((LeafPattern(1, 'class'), WildcardPattern(None, ((NodePattern(),),)), LeafPattern(11, ':'), NodePattern('suite', [WildcardPattern(None, ((WildcardPattern(None, ((NodePattern(),),)), NodePattern('funcdef', [WildcardPattern(None, ((LeafPattern(1, 'def'), LeafPattern(1, 'next', 'name'), NodePattern('parameters', [WildcardPattern(None, ((LeafPattern(7, '('), LeafPattern(1), LeafPattern(8, ')')),))]), WildcardPattern(None, ((NodePattern(),),))),))]), WildcardPattern(None, ((NodePattern(),),))),))])),))]),), (NodePattern('global_stmt', [WildcardPattern(None, ((LeafPattern(1, 'global'), WildcardPattern(None, ((NodePattern(),),)), LeafPattern(1, 'next'), WildcardPattern(None, ((NodePattern(),),))),))], 'global'),)))
$ 

[Pyobjc-dev] [ pyobjc-Bugs-3090731 ] CATextLayer font setter fails with NSFont as argument

[SourceForge.net <no...@so...>]

Bugs item #3090731, was opened at 2010-10-19 13:16
Message generated for change (Tracker Item Submitted) made by krunk
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=114534&aid=3090731&group_id=14534

Please note that this message will contain a full copy of the comment thread,
including the initial issue submission, for this request,
not just the latest update.
Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: James Kyle (krunk)
Assigned to: Nobody/Anonymous (nobody)
Summary: CATextLayer font setter fails with NSFont as argument

Initial Comment:
CATextLayer's font property should be able to accept an NSFont, but fails with 

ValueError: depythonifying 'unsigned long', got 'NSFont'

>>> from Quartz.QuartzCore import CATextLayer
>>> from AppKit import NSFont
>>> ca = CATextLayer.layer()
>>> font = NSFont.fontWithName_size_(u"Monaco", 12.0)
>>> ca.setFont_(font)
ValueError: depythonifying 'unsigned long', got 'NSFont'


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

You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=114534&aid=3090731&group_id=14534

Re: [Pyobjc-dev] NSAttributedString returns a tuple, not an NSAttributedString

[Diez B. R. <de...@we...>]

On Oct 17, 2010, at 10:56 AM, Michael Thon wrote:

> Hello -  I am trying PyObjC for the first time and I discovered something that I don't understand.  If I initialize an NSAttributedString like this:
> 
> content = NSAttributedString.alloc().initWithPath_documentAttributes_(a_path, None)
> 
> Then content contains a tuple, not an NSAttributedString.  If I initialize is like this:
> 
> content = NSAttributedString.alloc()
> a_tuple = content.initWithPath_documentAttributes_(a_path, None)
> 
> Then content contains an attributed string from the contents of the file, and a_tuple contains a tuple.  On the other hand NSAttributedString.alloc().init()
> returns an instance of NSAttributedString, as expected.  So, apparently initWithPath_documentAttributes_() returns a tuple instead of an instance of NSAttributedString.  My question is, is this by design (and thus, there is something about PyObjC that I don't understand) or is it a bug? 

It's by design. Pay close attention to the argument list: the parameter you pass as None is a pointer to a pointer. Which means it is an out-parameter. Python lacks the semantics for this, so instead, signatures of that kind are implemented by returning the value as tuple.

Diez

[Pyobjc-dev] NSAttributedString returns a tuple, not an NSAttributedString

[Michael T. <mik...@gm...>]

Hello -  I am trying PyObjC for the first time and I discovered something that I don't understand.  If I initialize an NSAttributedString like this:

content = NSAttributedString.alloc().initWithPath_documentAttributes_(a_path, None)

Then content contains a tuple, not an NSAttributedString.  If I initialize is like this:

content = NSAttributedString.alloc()
a_tuple = content.initWithPath_documentAttributes_(a_path, None)

Then content contains an attributed string from the contents of the file, and a_tuple contains a tuple.  On the other hand NSAttributedString.alloc().init()
returns an instance of NSAttributedString, as expected.  So, apparently initWithPath_documentAttributes_() returns a tuple instead of an instance of NSAttributedString.  My question is, is this by design (and thus, there is something about PyObjC that I don't understand) or is it a bug? 


Thanks
Mike

[Pyobjc-dev] ANN: PyGUI 2.3

[Gregory E. <gre...@ca...>]

PyGUI 2.3 is available:

   http://www.cosc.canterbury.ac.nz/greg.ewing/python_gui/

This version works on Snow Leopard with PyObjC 2.3.


What is PyGUI?
--------------

PyGUI is a cross-platform GUI toolkit designed to be lightweight
and have a highly Pythonic API.

-- 
Gregory Ewing
gre...@ca...
http://www.cosc.canterbury.ac.nz/greg.ewing/

This email may be confidential and subject to legal privilege, it may
not reflect the views of the University of Canterbury, and it is not
guaranteed to be virus free. If you are not an intended recipient,
please notify the sender immediately and erase all copies of the message
and any attachments.

Please refer to http://www.canterbury.ac.nz/emaildisclaimer for more
information.

[Pyobjc-dev] Strange warning message from Core Graphics

[Greg E. <gre...@ca...>]

PyGUI with the latest PyObjC on Snow Leopard is giving me
messages like this (although it seems to work all right anyway):

Sat Oct 16 21:07:54 gregs-mac-pro.lan Python[353] <Error>: 
kCGErrorInvalidConnection: CGSGetCurrentCursorLocation: Invalid connection

Anyone have any idea what might be causing it?

-- 
Greg

[Pyobjc-dev] PyGUI breakage with recent PyobjC

[Greg E. <gre...@ca...>]

I've just tried to run PyGUI on 10.6 using the latest version of
PyObjC, and it's broken in a major way.

I have some Python subclasses of ObjC classes, and they include
some methods that are only called from Python. I've been using
Python naming conventions for these methods, which used to work
fine, but now PyObjC seems to be treating them as ObjC method
names, and complaining that the number of underscores in them
doesn't match the number of arguments they take.

Is this right? Are we now required to use PyObjC method naming
conventions for *all* methods in an ObjC subclass, even if they
will never be called from ObjC? If so, is there some way of
marking methods as Python-only so that they are exempt from this
requirement?

-- 
Greg

Re: [Pyobjc-dev] Obtain data from an Address Book card

[Ronald O. <ron...@ma...>]

The script below creates a CSV file with all records in de AddressBook using the AddresBook framework. (This is the exportBooks.py script from the examples directory in the pyobjc-framework-AddressBook archive).

The Python API to AddressBook is the same as the Objective-C one, in general Objective-C based examples should help to get you going with accessing the same APIs using PyObjC.

Ronald


# ===

#!/usr/bin/env python2.3
"""
This script gives a short example on how to use the addressbook framework,
it creates an CSV file containing information about all entries in the
addressbook.

Usage:
    python exportBook.py output.csv
"""
import csv
import sys

import AddressBook

# The names of fields in the export, and the corresponding property.
FIELD_NAMES=(
    ('Last Name',  AddressBook.kABLastNameProperty),
    ('First Name', AddressBook.kABFirstNameProperty),
    ('E-mail',     AddressBook.kABEmailProperty),
)

def encodeField(value):
    """
    Encode a value into an UTF-8 string
    """
    if value is None:
        return ''

    if isinstance(value, AddressBook.ABMultiValue):
        # A multi-valued property, merge them into a single string
        result = []
        for i in range(len(value)):
            result.append(value.valueAtIndex_(i).encode('utf-8'))
        return ', '.join(result)

    return value.encode('utf-8')

def personToFields(person, fieldnames):
    """ Extract the specified fields from a person object """
    return [ encodeField(person.valueForProperty_(nm)) for nm in fieldnames ]     

def bookFields(book, fieldnames):
    """ Generate the records for all people in the book """
    for person in book.people():
        yield personToFields(person, fieldnames)

def main(argv = None):
    """ main entry point """

    if argv is None:
        argv = sys.argv[1:]

    if len(argv) != 1:
        print "Usage: python exportBook.py output.csv"
        sys.exit(1)

    book = AddressBook.ABAddressBook.sharedAddressBook()

    fp = open(argv[0], 'wb')
    csvStream = csv.writer(fp)
    csvStream.writerow([ f[0] for f in FIELD_NAMES])
    for row in bookFields(book, [ f[1] for f in FIELD_NAMES]):
        csvStream.writerow(row)
    fp.close()

if __name__ == "__main__":
    main()

#====

On 14 Oct, 2010,at 11:28 PM, Ned Deily <na...@ac...> wrote:

In article <C8DCC28D.2B7B7%ja...@ja...>,
Jeremy Reichman <ja...@ja...> wrote:
> Does anyone have any examples of how to obtain data from cards via the
> Address Book API with PyObjC? I'm not finding much (at least at my skill
> level) via searching.
> 
> My goal is to output a few of the fields from "my card." I'm interested in
> this from the scripting perspective, not doing so in a full-fledged app. I'd
> like to do it with Python, partly as a learning exercise. The little bit
> I've done with PyObjC has been trying to update a script I wrote that used
> the old Core Graphics bindings.
> 
> If I were doing this via a shell script, I could get information with an
> osascript line like this:
> 
> $ osascript -e 'tell application "Address Book" to get the {first name, last
> name, organization} of my card'
> Leonardo, Flathead, GUE Tech

You might consider using py-appscript instead:

>>> from appscript import *
>>> my_card = app("Address Book").my_card.properties()
>>> [my_card.get(f) for f in (k.first_name, k.last_name, k.organization)]
[u'Ned', u'Deily', k.missing_value]

http://appscript.sourceforge.net/

-- 
Ned Deily,
na...@ac...


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Re: [Pyobjc-dev] Obtain data from an Address Book card

[Ned D. <na...@ac...>]

In article <C8DCC28D.2B7B7%ja...@ja...>,
 Jeremy Reichman <ja...@ja...> wrote:
> Does anyone have any examples of how to obtain data from cards via the
> Address Book API with PyObjC? I'm not finding much (at least at my skill
> level) via searching.
> 
> My goal is to output a few of the fields from "my card." I'm interested in
> this from the scripting perspective, not doing so in a full-fledged app. I'd
> like to do it with Python, partly as a learning exercise. The little bit
> I've done with PyObjC has been trying to update a script I wrote that used
> the old Core Graphics bindings.
> 
> If I were doing this via a shell script, I could get information with an
> osascript line like this:
> 
> $ osascript -e 'tell application "Address Book" to get the {first name, last
> name, organization} of my card'
> Leonardo, Flathead, GUE Tech

You might consider using py-appscript instead:

>>> from appscript import *
>>> my_card = app("Address Book").my_card.properties()
>>> [my_card.get(f) for f in (k.first_name, k.last_name, k.organization)]
[u'Ned', u'Deily', k.missing_value]

http://appscript.sourceforge.net/

-- 
 Ned Deily,
 na...@ac...

[Pyobjc-dev] Obtain data from an Address Book card

[Jeremy R. <ja...@ja...>]

Does anyone have any examples of how to obtain data from cards via the
Address Book API with PyObjC? I'm not finding much (at least at my skill
level) via searching.

My goal is to output a few of the fields from "my card." I'm interested in
this from the scripting perspective, not doing so in a full-fledged app. I'd
like to do it with Python, partly as a learning exercise. The little bit
I've done with PyObjC has been trying to update a script I wrote that used
the old Core Graphics bindings.

If I were doing this via a shell script, I could get information with an
osascript line like this:

$ osascript -e 'tell application "Address Book" to get the {first name, last
name, organization} of my card'
Leonardo, Flathead, GUE Tech

Thanks for any pointers you might be able to provide!

-- 
Jeremy

[Pyobjc-dev] [ pyobjc-Bugs-3085651 ] Unsafe NSLog in PyObjCTools.Debugging.nsLogPythonException

[SourceForge.net <no...@so...>]

Bugs item #3085651, was opened at 2010-10-11 21:21
Message generated for change (Tracker Item Submitted) made by kthomases
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=114534&aid=3085651&group_id=14534

Please note that this message will contain a full copy of the comment thread,
including the initial issue submission, for this request,
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Ken Thomases (kthomases)
Assigned to: Nobody/Anonymous (nobody)
Summary: Unsafe NSLog in PyObjCTools.Debugging.nsLogPythonException

Initial Comment:
In PyObjCTools.Debugging.nsLogPythonException, the exception is formatted into a string, which is then passed as the first/only argument to NSLog.  The problem is that NSLog treats its first argument as a format string.  The formatted exception may contain percent ('%') characters, which will be interpreted as format specifiers.  Since there are no arguments for those specifiers, an exception is thrown (during logging of an exception).

It results in something like this:

*** Exception occurred during exception handler ***
Traceback (most recent call last):
  File "/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/PyObjCTools/Debugging.py", line 83, in exceptionHandler_shouldLogException_mask_
  File "/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/PyObjCTools/Debugging.py", line 47, in nsLogPythonException
ValueError: Too few arguments for format string [cur:1/len:1]
2010-10-11 20:47:03.946 CrossOver[497:903] NSExceptionHandler has recorded the following exception:
OC_PythonException -- <type 'exceptions.KeyError'>: u'Key needs_download does not exist'
Stack trace:  0x96155d24  0x97082509  0x98c2a9f1  0x150b2cb8  0x1508c5fe  0x331d4  0x33500  0x32f73  0x97f8cf1e  0x9806c699  0x98068146  0x9806743d  0x980bca61  0x98065e93  0x98063e9c  0x97f7caff  0x255f06  0x97f105bb  0x97f085ed  0x25e676  0x83b10  0x2c92  0x1


When I add a proper format string (u'%@') to the NSLog call, the same path through my code produces a properly-logged exception:

2010-10-11 20:54:26.587 CrossOver[760:903] *** Python exception discarded!
Traceback (most recent call last):
  File "/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/PyObjC/PyObjCTools/KeyValueCoding.py", line 213, in getKey
    raise KeyError, "Key %s does not exist" % (key,)
KeyError: u'Key needs_download does not exist'


You can see the '%s' in the traceback which is the "bomb" for the unsafe NSLog call.

It's probably a good idea to review all uses of NSLog for similar unsafe calling.  The first argument should always be a constant, not a run-time-computed string.

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

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[Pyobjc-dev] [ pyobjc-Bugs-3077003 ] Misuse of strcmp() in -[OC_PythonString __realObject__]

[SourceForge.net <no...@so...>]

Bugs item #3077003, was opened at 2010-09-28 01:39
Message generated for change (Tracker Item Submitted) made by kthomases
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=114534&aid=3077003&group_id=14534

Please note that this message will contain a full copy of the comment thread,
including the initial issue submission, for this request,
not just the latest update.
Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Ken Thomases (kthomases)
Assigned to: Nobody/Anonymous (nobody)
Summary: Misuse of strcmp() in -[OC_PythonString __realObject__]

Initial Comment:
Relatively recently, -[OC_PythonString __realObject__] was improved to try to use an encoding which matches the Python default encoding.  Unfortunately, it was done incorrectly.  It uses strcmp() as though it were a strequals() function, but the return value of strcmp() has the opposite logical sense.  It's 0 when the strings are equal and non-zero when they differ.  The result was that it uses UTF-8 when the Python encoding is "ascii" and ASCII otherwise.  (That's actually not a terrible result, since on Mac OS X UTF-8 is almost always the correct encoding to use, even though it's not Python's default encoding.)

Anyway, I'm attaching a patch to correct the logic.

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

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Re: [Pyobjc-dev] Python/PyObjC on iOS

[Ben A. <be...@ar...>]

Relatedly, has anyone here looked at the possibility of compiling a variant of Python (without eval and exec, similar to RPython) to native iOS code? 

-- 

<http://artins.org/ben>

"Greatest weakness? It's possible that I am a little too awesome."  — Barack Obama