Disables MySQL warnings in Django. I place it somewhere in my settings module. My use case is I develop on multiple branches, some with different database migrations, and I don't have a proper setup with a different database for each, so when I have to add a hotfix, MySQL sometimes complains about stupid shit. I don't really care about it, so I …

django_ignore_mysql_warnings.py

# Ignoring MySQL warnings, such as:
# "Field 'discount_id' doesn't have a default value"
IGNORE_MYSQL_WARNINGS = True

if IGNORE_MYSQL_WARNINGS:
    _GOT_FIRST_REQUEST = False
    def on_first_request(signal, sender):
        global _GOT_FIRST_REQUEST
        if not _GOT_FIRST_REQUEST:
            _GOT_FIRST_REQUEST = True

            from django.db.backends.mysql.base import CursorWrapper
            import MySQLdb as Database

            def _ignore_warnings(fn):
                def _execute(*args, **kwargs):
                    try:
                        return fn(*args, **kwargs)
                    except Database.Warning as e:
                        return None
                return _execute

            CursorWrapper.execute = _ignore_warnings(CursorWrapper.execute)
            CursorWrapper.executemany = _ignore_warnings(CursorWrapper.executemany)

    from django.core.signals import request_started
    request_started.connect(on_first_request)