Python HistoryCost.start_span Examples

Example #1

def cost_post_save(sender, instance, raw, using, **kwargs):
    changed = False
    if 'venture_id' in instance.dirty_fields:
        changed = True
    if 'expire' in instance.dirty_fields:
        changed = True
    if 'cost' in instance.dirty_fields:
        old_cost = instance.dirty_fields['cost'] or 0
        if not -1 < instance.cost - old_cost < 1:
            # Ignore changes due to rounding errors
            changed = True
    if changed:
        HistoryCost.start_span(extra=instance, end=instance.expire)

Example #2

def cost_post_save(sender, instance, raw, using, **kwargs):
    changed = False
    if 'venture_id' in instance.dirty_fields:
        changed = True
    if 'expire' in instance.dirty_fields:
        changed = True
    if 'cost' in instance.dirty_fields:
        old_cost = instance.dirty_fields['cost'] or 0
        if not -1 < instance.cost - old_cost < 1:
            # Ignore changes due to rounding errors
            changed = True
    if changed:
        if instance.expire:
            start = min(datetime.date.today(), instance.expire)
        else:
            start = datetime.datetime.now()
        HistoryCost.start_span(extra=instance, start=start, end=instance.expire)