+ # We need to to run setup.py with the default python last
+ # as distutils/setuptools modifies the shebang lines of scripts.
+ # This ensures that #!/usr/bin/python is installed last and
+ # not pythonX.Y
+ # Take into account that the default Python must not be in
+ # the requested Python versions.
+ # Then, run setup.py with each available python, to build
+ # extensions for each.
+
+ my $python_default = `pyversions -d`;
+ if ($? == -1) {
+ error("failed to run pyversions")
+ }
+ my $ecode = $? >> 8;
+ if ($ecode != 0) {
+ error("pyversions -d failed [$ecode]")
+ }
+ $python_default =~ s/^\s+//;
+ $python_default =~ s/\s+$//;
+ my @python_requested = split ' ', `pyversions -r`;
+ if ($? == -1) {
+ error("failed to run pyversions")
+ }
+ $ecode = $? >> 8;
+ if ($ecode != 0) {
+ error("pyversions -r failed [$ecode]")
+ }
+ if (grep /^\Q$python_default\E/, @python_requested) {
+ @python_requested = (
+ grep(!/^\Q$python_default\E/, @python_requested),
+ "python",
+ );
+ }
+
+ my @python_dbg;
+ my @dbg_build_needed = $this->dbg_build_needed();
+ foreach my $python (map { $_."-dbg" } @python_requested) {
+ if (grep /^(python-all-dbg|\Q$python\E)/, @dbg_build_needed) {
+ push @python_dbg, $python;
+ }
+ elsif (($python eq "python-dbg")
+ and (grep /^\Q$python_default\E/, @dbg_build_needed)) {
+ push @python_dbg, $python_default."-dbg";
+ }
+ }
+
+ foreach my $python (@python_dbg, @python_requested) {
+ if (-f "/usr/lib/$python/distutils/__init__.py") {
+ # To allow backports of debhelper we don't pass
+ # --install-layout=deb to 'setup.py install` for
+ # those Python versions where the option is
+ # ignored by distutils/setuptools.
+ if ( $act eq "install" and not
+ ( ($python =~ /^python(?:-dbg)?$/
+ and $python_default =~ /^python2\.[2345]$/)
+ or $python =~ /^python2\.[2345](?:-dbg)?$/ )) {
+ $this->doit_in_sourcedir($python, "setup.py",
+ $act, @_, "--install-layout=deb");
+ }
+ else {
+ $this->doit_in_sourcedir($python, "setup.py",
+ $act, @_);
+ }
+ }