Chimie Théorique » QMX

# Copyright (C) 2003  CAMP

# Please see the accompanying LICENSE file for further information.

from os import path

try:

    from subprocess import Popen, PIPE

except ImportError:

    from os import popen3

else:

    def popen3(cmd):

        p = Popen(cmd, shell=True, close_fds=True,

                  stdin=PIPE, stdout=PIPE, stderr=PIPE)

        return p.stdin, p.stdout, p.stderr

def write_svnversion(svnversion, dir):

    svnversionfile = path.join(dir, 'svnversion.py')

    f = open(svnversionfile,'w')

    f.write('svnversion = "%s"\n' % svnversion)

    f.close()

    print 'svnversion = ' +svnversion+' written to '+svnversionfile

    # assert svn:ignore property if the installation is under svn control

    # because svnversion.py has to be ignored by svn!

    cmd = popen3('svn propset svn:ignore svnversion.py '+dir)[1]

    output = cmd.read()

    cmd.close()

def get_svnversion_from_svn(dir):

    # try to get the last svn version number from svnversion

    cmd = popen3('svnversion -n '+dir)[1] # assert we are in the project dir

    output = cmd.read().strip()

    cmd.close()

    if output.startswith('exported'):

        # we build from exported source (e.g. rpmbuild)

        output = None

    return output

svnversion = get_svnversion_from_svn(dir='ase')

if svnversion:

    write_svnversion(svnversion, dir='ase')