Add vcs-load-dirs project to thirdparty directory. vcs-load-dirs project contains load-dir scripts for different version control sysystems including git, hg, darcs, bazaar. More information about the project: http://software.complete.org/software/wiki/vcs-load-dirs/ http://software.complete.org/static/vcs-load-dirs/doc//hg_load_dirs.1.html

from django.core.management.base import NoArgsCommand

class Command(NoArgsCommand):
    help = "Validates all installed models."

    requires_model_validation = False

    def handle_noargs(self, **options):
        self.validate(display_num_errors=True)