1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
import logging
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 created:
logging.info(unicode(instance)+u' was just added to the database for the first time. \n')
if not created and instance.new_since_parsing:
logging.info(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:
logging.info(unicode(instance)+" existed in the database unchanged since last parse. It was overwritten by the current script. \n")
return (instance, created)
|
