In the Django [1], the example as described below shows how to build Forms
that are tied to a model.
from django.db import models
from django.forms import ModelForm
TITLE_CHOICES = (
('MR', 'Mr.'),
('MRS', 'Mrs.'),
('MS', 'Ms.'),
)
class Author(models.Model):
name = models.CharField(max_length=100)
title = models.CharField(max_length=3, choices=TITLE_CHOICES)
birth_date = models.DateField(blank=True, null=True)
def __unicode__(self):
return self.name
class AuthorForm(ModelForm):
class Meta:
model = Author
I have got similar setup in the forms.py and models.py. However, the tuple
values is not displayed as options in the form field. I have something like
this:
models.py
---------
""" a tuple of branch code as key and branch name as value """
MY_INSTITUTION_BRANCHES = (
('BR_CODE1', 'HQ'),
('BR_CODE2', 'Branch 2'),
)
class Transaction(models.Model):
branch_name = models.ForeignKey('MyInstitution',
related_name='my_institution', \
help_text='The branch where this transaction is originate from')
class MyInstitution(models.Model):
name = models.CharField(max_length=100)
branch_name = models.CharField(max_length=1,unique=True,
choices=MY_INSTITUTION_BRANCHES)
def __unicode__(self):
return self.name
forms.py
--------
class TransactionUpdateForm(forms.ModelForm):
class Meta:
model = Transaction
fields = ('branch_name')
template file
-------------
<label class="label" for="id_branch_name">Branch name: </label>
{{form.branch_name}}
With this setup, I'm expecting a form select field to be prepopulated with
the tuple values (human readable names). Instead, the form select field is
prepopulated with MyInstitution name values as stored in the db.
Any help will be much appreciated.
Thanks
[1] https://docs.djangoproject.com/en/1.3/topics/forms/modelforms/#modelform
--
Odeyemi 'Kayode O.
http://www.sinati.com. t: @charyorde
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