base.py 文件源码

def adapt_datetime_warn_on_aware_datetime(value):
    # Remove this function and rely on the default adapter in Django 2.0.
    if settings.USE_TZ and timezone.is_aware(value):
        warnings.warn(
            "The SQLite database adapter received an aware datetime (%s), "
            "probably from cursor.execute(). Update your code to pass a "
            "naive datetime in the database connection's time zone (UTC by "
            "default).", RemovedInDjango20Warning)
        # This doesn't account for the database connection's timezone,
        # which isn't known. (That's why this adapter is deprecated.)
        value = value.astimezone(timezone.utc).replace(tzinfo=None)
    return value.isoformat(str(" "))