mirror of
https://expo.survex.com/repositories/expoweb/.git/
synced 2024-11-23 07:41:56 +00:00
31 lines
1.6 KiB
Python
31 lines
1.6 KiB
Python
from settings import LOGFILE
|
|
|
|
def save_carefully(objectType, lookupAttribs={}, nonLookupAttribs={}):
|
|
"""Looks up instance using lookupAttribs and carries out the following:
|
|
-if instance does not exist in DB: add instance to DB, return (new instance, True)
|
|
-if instance exists in DB and was modified using Troggle: do nothing, return (existing instance, False)
|
|
-if instance exists in DB and was not modified using Troggle: overwrite instance, return (instance, False)
|
|
|
|
The checking is accomplished using Django's get_or_create and the new_since_parsing boolean field
|
|
defined in expo.models.TroggleModel.
|
|
|
|
"""
|
|
|
|
instance, created=objectType.objects.get_or_create(defaults=nonLookupAttribs, **lookupAttribs)
|
|
|
|
if not created and not instance.new_since_parsing:
|
|
for k, v in nonLookupAttribs.items(): #overwrite the existing attributes from the logbook text (except date and title)
|
|
setattr(instance, k, v)
|
|
instance.save()
|
|
|
|
if LOGFILE:
|
|
if created:
|
|
LOGFILE.write(unicode(instance)+u' was just added to the database for the first time. \n')
|
|
|
|
if not created and instance.new_since_parsing:
|
|
LOGFILE.write(unicode(instance)+" has been modified using Troggle, so the current script left it as is. \n")
|
|
|
|
if not created and not instance.new_since_parsing:
|
|
LOGFILE.write(unicode(instance)+" existed in the database unchanged since last parse. It was overwritten by the current script. \n")
|
|
LOGFILE.flush()
|
|
return (instance, created) |