tests/noserunner.py standard for allowing integration and unittest separation.

nose-testrunner.py

import nose
from nose.plugins.base import Plugin

class IntegrationSelector(Plugin):
    def options(self, parser, env):
        parser.add_option("--exclude-integration",
                          dest="integration", action="store_false",
                          default=None)
        parser.add_option("--integration",
                          dest="integration", action="store_true",
                          default=None)

    def configure(self, options, config):
        self.integration = options.integration
        self.enabled = options.integration is not None

    def wantClass(self, cls):
        if self.integration:
            return hasattr(cls, 'isIntegrationTest')
        elif hasattr(cls, 'isIntegrationTest'):
            return False

if __name__ == "__main__":
    nose.main(addplugins=[IntegrationSelector()])