I'm trying to come up with the best working solution to allow my
application to save subsequent objects when I save an object. Here's my
model:
class Milestone(models.Model):
"""Catalogue of project milestones"""
...
deadline = models.DateField()
...
def save(self):
user = threadlocals.get_current_user()
posted = threadlocals.get_post_data()
if self.id:
if posted.has_key('shift_in_future') and posted['shift_in_future']
== 'on':
oDeadline =
datetime.date(*time.strptime(posted['original_deadline'], '%Y-%m-%d')[:3])
nDeadline = datetime.date(*time.strptime(posted['deadline'],
'%Y-%m-%d')[:3])
interval = timedelta(nDeadline - oDeadline)
future_milestones = Milestone.objects.filter(deadline__gte =
oDeadline)
for f in future_milestones:
f.deadline = f.deadline + interval
super(Milestone, f).save()
self.editor = user
super(Milestone, self).save()
# threadlocals.py middleware
try:
from threading import local
except ImportError:
from django.utils._threading_local import local
_thread_locals = local()
def get_current_user():
return getattr(_thread_locals, 'user', None)
def get_post_data():
return getattr(_thread_locals, 'POST', None)
class ThreadLocals(object):
"""Middleware that gets various objects from the
request object and saves them in thread local storage."""
def process_request(self, request):
_thread_locals.user = getattr(request, 'user', None)
_thread_locals.POST = getattr(request, 'POST', None)
Well, it doesn't work, and I'm not sure if this is the best way to do
this. Any ideas from those who would know more and how to achieve this?
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