On Mon, Jul 13, 2009 at 4:56 PM, Lisandro Dalcin <dalcinl at gmail.com> wrote:
> On Mon, Jul 13, 2009 at 6:47 PM, Matt Knepley<knepley at gmail.com> wrote: > > I like 1) as well. However someone needs to test the fixes on ancient RH > > python. > > > > No problem, I have custom installs of old Python's starting from 2.3 > and up to current SVN trunk (2.7)... Do you remember what version is > the ancient RH Python you are talking about? > I think 2.3 is alright. It still needs foo(object) and stuff. Matt > > Matt > > > > From the phone > > > > On Jul 13, 2009, at 1:15 PM, Lisandro Dalcin <dalcinl at gmail.com> wrote: > > > >> Fedora 11 moved to Python 2.6. Now many Python stdlib modules are > >> deprecated (as part of the transition to Python 3.x series). > >> > >> > /u/dalcinl/Devel/PETSc/petsc-dev/config/BuildSystem/config/compilers.py:7: > >> DeprecationWarning: the sets module is deprecated > >> import sets > >> /u/dalcinl/Devel/PETSc/petsc-dev/config/PETSc/package.py:7: > >> DeprecationWarning: the md5 module is deprecated; use hashlib instead > >> import md5 > >> /u/dalcinl/Devel/PETSc/petsc-dev/config/BuildSystem/script.py:101: > >> DeprecationWarning: The popen2 module is deprecated. Use the > >> subprocess module. > >> import popen2 > >> > >> We could take two approaches to remove these warnings (I bet all you > >> hate warnings as much as me): > >> > >> 1) Reimplement things using the modern API's, perhaps by using > >> conditional code depending on the Python version and/or using import > >> with try/except blocks. In particular, this will require: > >> a) use the builtin 'set' type (available since Python 2.4) > >> b) use the 'hashlib' module (available since Python 2.5) > >> c) moving from using 'peopen2' to 'subprocess' (BTW, available since > >> Python2.4) will likely remove the need to use 'select', which I > >> commented some time ago it is not supported (for pipes) in native > >> Windows Python (yes, some day I'll have some working code with the > >> native Windows Python). > >> > >> 2) Silent these warnings. I do not think these modules will be ever > >> removed from 2.x series, and porting the whole BuildSystem beast to > >> Python 3.0 is not going to be a 10-minutes task anyway. > >> > >> > >> I personally prefer (1) and volunteer to provide the fixes, even if > >> that is more work than (2). I would like to know your opinions before > >> start to work on this. > >> > >> > >> -- > >> Lisandro Dalc?n > >> --------------- > >> Centro Internacional de M?todos Computacionales en Ingenier?a (CIMEC) > >> Instituto de Desarrollo Tecnol?gico para la Industria Qu?mica (INTEC) > >> Consejo Nacional de Investigaciones Cient?ficas y T?cnicas (CONICET) > >> PTLC - G?emes 3450, (3000) Santa Fe, Argentina > >> Tel/Fax: +54-(0)342-451.1594 > > > > > > -- > Lisandro Dalc?n > --------------- > Centro Internacional de M?todos Computacionales en Ingenier?a (CIMEC) > Instituto de Desarrollo Tecnol?gico para la Industria Qu?mica (INTEC) > Consejo Nacional de Investigaciones Cient?ficas y T?cnicas (CONICET) > PTLC - G?emes 3450, (3000) Santa Fe, Argentina > Tel/Fax: +54-(0)342-451.1594 > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20090713/edf89643/attachment.html>