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? > ?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