I am trying to access parent class objects within the admin site with
the list display function.
The following are my models:
###
class Device(models.Model):
make = models.CharField(maxlength=30)
model = models.CharField(maxlength=50)
partno = models.CharField('part number', maxlength=30)
serial = models.CharField('serial number', maxlength=30,
primary_key=True)
asset = models.CharField('asset tag', maxlength=30)
recievedate = models.DateTimeField('date received')
active = models.BooleanField()
def __str__(self):
return '%s (%s)' % (self.serial, self.asset)
class Admin:
list_display = ('make','model','serial','asset')
class Plan(models.Model):
shortname = models.CharField(maxlength=30, primary_key=True)
description = models.CharField(maxlength=100)
active = models.BooleanField()
device = models.ForeignKey(Device)
def __str__(self):
return '%s' % self.shortname
class Admin:
pass
class Task(models.Model):
description = models.CharField(maxlength=30)
frequency = models.IntegerField()
active = models.BooleanField()
plan = models.ForeignKey(Plan)
def __str__(self):
return '%s|%s' % (self.plan,self.description)
class Admin:
pass
class Log(models.Model):
timestamp = models.DateTimeField('date completed')
comments = models.TextField()
active = models.BooleanField()
task = models.ForeignKey(Task)
def __str__(self):
return '%s' % self.timestamp
class Admin:
list_display = ('timestamp','comments','task')
###
So, when I view Logs via the admin interface, I see the timestamp,
comments, and the return of __str__ for the parent task object.
However, I was really wanting to be able to view and sort based off of
some of the device fields (make, model, serial, etc). Is there a way
to step up the ForeignKey bindings to higher level objects within the
Admin class?
Push come to shove, I could write a seperate functions to get the data
I am looking for, but then I would not be able to sort based on it.
I wasnt able to find a whole lot on how to do this in the DJango
documentation. Although, I could be looking in the wrong places. Any
help would be apprecaited.
Thanks!
- DF
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