Mailman 3 January 2005 - Distutils-SIG

distutils bug
by Michael Foord 17 Jan '05

17 Jan '05

I've had some problems with py2exe which I *think* highlights a bug in distutils. I had a mysterious problems with py2exe causing a 'crash' - not an exception but a full on windows 'the memory referenced could not be read' crash. I could reproduce this problem on two machines - (both windows XP) one with python 2.3 and another with python 2.4, however no-one else had the same problem. In order to trace the exact point the crash was occurring I set the DISTUTILS_DEBUG environment variable. The crash I was investigating then disapeared (I told you it was mysterious) - but I got a traceback from within distutils. The traceback occurs within distutils.command.install - the 'dump_dirs' function in install.py. The offending code is : val = getattr(self, opt_name) print " %s: %s" % (opt_name, val) when run from py2exe this causes an AttributeError for the 'no_compile' attribute. If replaced with the following code, it works fine. try: val = getattr(self, opt_name) except AttributeError: print 'Attribute not found :', opt_name else: print " %s: %s" % (opt_name, val) (This is for the Movable Python project - which works fine :-) Regards, Fuzzyman http://www.voidspace.org.uk/python/index.shtml

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Question re extension modules.
by Titus Brown 17 Jan '05

17 Jan '05

Hi again, I'm developing a C++ library & associated extension module within the same directory. My setup.py contains this line: parser_mod = Extension("paircomp._paircomp_parser", ["c++-ext/_paircomp_parser.cc",], include_dirs=['../lib',], library_dirs=['../lib',], libraries=['paircomp', 'stdc++']) One of the important libraries that I need to include is -lpaircomp, in '../lib/libpaircomp.a'. Currently when I change libpaircomp.a (by, for example, making some internal change to the C++ library that's not reflected in the API) my Python extensions do not get recompiled by 'python setup.py build'. (This is run automatically by the Makefile.) So at the moment I either have to use Makefile trickery or just do an 'rm -fr build' to force recompilation of the extension when the library is changed. Is there a canonical way to tell distutils that 'this extension depends on this file, so force rebuild if the file changes'? One obvious possibility would be to simple compare last-changed dates on all of the libraries with last-changed dates on the .so file produced by setup.py. thanks, --titus

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Re: [Distutils] Trouble packaging data files.
by Oliver Schoenborn 16 Jan '05

16 Jan '05

Yarden Katz wrote: >Oliver Schoenborn <oliver.schoenborn(a)utoronto.ca> writes: > > >>I would guess it's your (possibly missing) MANIFEST file, which should >>include a line for the data stuff. >> >> >If I "rm MANIFEST" and let distutils recreate it, the problem doesn't change. Am I supposed to manually edit MANIFEST? > > Actually, I meant the MANIFEST*.in* file: AFAIR, sdist only includes certain known files (*.py etc) and you have to tell it what else to include in the MANIFEST.in file. The MANIFEST file is automatically generated if it doesn't exist. OTOH, I think you can directly create a MANIFEST file, it does not get overwritten if it already exists *and *there is no *.in* file. I have refactored the manifest code into a separate module that you can use for packaging data for other build commands, such as bdist, let me know if you would like to give it a try (haven't had time to submit it as a patch yet). I used it to package a database and config files etc with my distribution. Oliver

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Trouble packaging data files.
by Yarden Katz 15 Jan '05

15 Jan '05

Hi. I'm trying to distribute a piece of software and I'm able to get distutils to package all of my *.py modules, which are in a single package, correctly. However, I've been unable to get it to package any of the data files. I wrote the following setup.py file: setup(name='pychinko', version='0.1', ... packages=['pychinko'], data_files = [('ruletests/rules', ['ruletests/rules/spoRules.n3'])], package_dir = {'pychinko': '.'}, package_data = {'pychinko': ['ruletests/rules/spoRules.n3']}) But both data_files and package_data lines (and some variations on them) are ignored when I run "python setup.py sdist". The pychinko package is included correctly, but none of the data files are. When it's packaged I get something like: creating pychinko-0.1 making hard links in pychinko-0.1... hard linking setup.py -> pychinko-0.1 hard linking ./__init__.py -> pychinko-0.1/. hard linking ./afon.py -> pychinko-0.1/. hard linking ./builtins.py -> pychinko-0.1/. hard linking ./config.py -> pychinko-0.1/. ... But again, no data files at all. Any idea what could be doing this? My dir structure looks something like this: pychinko/ setup.py foo.py bar.py ... ruletests/ rules/ ... Thanks a lot, appreciate your help, -- Yarden Katz <yarden(a)umd.edu> | Mind the gap

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10 Jan '05

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distutils version numbering
by Stefan Seefeld 07 Jan '05

07 Jan '05

hi there, I'm writing a custom 'build_scripts' command that works around a bug in earlier versions of distutils, i.e. it makes scripts executable on posix platforms after they got copied to the build_dir. I'm looking for a discriminator that allows me to decide whether or not to run the code, depending on whether the distutils version requires it. It seems the version coming with python 2.2 requires it, while python 2.3 and up don't. However, distutils.__version__ for python 2.2 as well as python 2.3 are the same ('1.0.3') ! Am I just looking in the wrong place ? Thanks, Stefan

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