Context manager / decorator for stopping the Django ORM from making queries in a given block of code

disable_queries.py

from contextlib import contextmanager
from django.db import connections


class QueriesDisabledError(Exception):
    pass


def fake(*args, **kwargs):
    raise QueriesDisabledError()


def apply_monkeypatch():
    for connection in connections.all():
        connection._real_create_cursor = connection.create_cursor
        connection.create_cursor = fake


def remove_monkeypatch():
    for connection in connections.all():
        connection.create_cursor = connection._real_create_cursor
        del connection._real_create_cursor


@contextmanager
def queries_disabled():
    apply_monkeypatch()
    try:
        yield
    finally:
        remove_monkeypatch()