Dynamically generate our yum repo configuration

def generate_repo_files(self, release):
        """Dynamically generate our yum repo configuration"""
        repo_tmpl = pkg_resources.resource_string(__name__, 'templates/repo.mako')
        repo_file = os.path.join(release['git_dir'], '%s.repo' % release['repo'])
        with file(repo_file, 'w') as repo:
            repo_out = Template(repo_tmpl).render(**release)
            self.log.debug('Writing repo file %s:\n%s', repo_file, repo_out)
            repo.write(repo_out)
        self.log.info('Wrote repo configuration to %s', repo_file)