Print all SQL queries performed during a unittest in django

print_sql.py

from django.conf import settings
from django.db import connections


#TODO: patch run method instead?
#TODO: print formatting

class LogSqlQueriesTestCase(TestCase):

    @classmethod
    def setUpClass(cls):
        # must override for queries to be recorded
        cls._old_settings_DEBUG = settings.DEBUG
        settings.DEBUG = True
        super(LogSqlQueriesTestCase, cls).setUpClass()

    def tearDown(self):
        print '-'*80
        for c in connections:
            for q in connections[c].queries:
                print '%s: %s' % (c, q['sql'])
            connections[c].queries = []
        super(LogSqlQueriesTestCase, self).tearDown()

    @classmethod
    def tearDownClass(cls):
        settings.DEBUG = cls._old_settings_DEBUG
        super(LogSqlQueriesTestCase, cls).tearDownClass()