Django SQL DB trace: see where your queries are coming from. Now you may find https://pypi.python.org/pypi/django-devserver better.

sql-trace.py

from django.db.models.sql import Query
from functools import wraps
import inspect


TRACE_THIS_QUERY = u'SELECT "blog_group"."id", "blog_group"."name", "blog_group"."arg" FROM "blog_group" INNER JOIN "blog_group_members" ON ("blog_group"."id" = "blog_group_members"."group_id") WHERE "blog_group_members"."user_id" = %s '


def trace_get_compiler(fun):
    @wraps(fun)
    def wrapped(*args, **kwargs):
        compiler = fun(*args, **kwargs)
        try:
            stack = inspect.stack()[4:-13]
        except Exception:
            return compiler

        sql, params = compiler.as_sql()
        #print u"--- SQL query = {0}".format(sql)
        if sql == TRACE_THIS_QUERY:
            print u"--- SQL trace:"
            for (_frame, filename, lineno, fun_name, _context, _index) in stack:
                print u" ", filename, lineno, fun_name
            del _frame
        del stack

        return compiler
    return wrapped
Query.get_compiler = trace_get_compiler(Query.get_compiler)

sql-trace.txt

--- SQL trace:
* /usr/lib/pymodules/python2.6/django/db/models/fields/related.py 302 __get__
* /home/temoto/project/py-rambler-blog/blog/django_orm/menu.py 71 
* /home/temoto/project/py-rambler-blog/blog/django_orm/menu.py 71 build_menu_tree
* /home/temoto/project/py-rambler-blog/blog/main/views.py 530 block_main_menu
* /home/temoto/project/py-rambler-blog/blog/wsgi.py 125 wsgi_app