Changeset - fa66316f8aca
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0 1 0
Hiroshi Miura - 9 years ago 2015-07-20 02:54:30
miurahr@linux.com
form key ordering: detect django version

- Django 1.6 and before use SortedDict instead of OrderedDict
It detect version and return proper dict for key ordering.
- field deletion is done by reorder funcion.

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
1 file changed with 8 insertions and 2 deletions:
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symposion/forms.py
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from collections import OrderedDict
 

	
 
from django import forms
 
from django import VERSION as django_VERSION
 

	
 
import account.forms
 

	
 

	
 
class SignupForm(account.forms.SignupForm):
 

	
 
    first_name = forms.CharField()
 
    last_name = forms.CharField()
 
    email_confirm = forms.EmailField(label="Confirm Email")
 

	
 
    def __init__(self, *args, **kwargs):
 
        super(SignupForm, self).__init__(*args, **kwargs)
 
        del self.fields["username"]
 
        key_order = [
 
            "email",
 
            "email_confirm",
 
            "first_name",
 
            "last_name",
 
            "password",
 
            "password_confirm"
 
        ]
 
        self.fields = reorder_fields(self.fields, key_order)
 

	
 
    def clean_email_confirm(self):
 
        email = self.cleaned_data.get("email")
...
 
@@ -37,13 +37,19 @@ class SignupForm(account.forms.SignupForm):
 
def reorder_fields(fields, order):
 
    """Reorder form fields by order, removing items not in order.
 

	
 
    >>> reorder_fields(
 
    ...     OrderedDict([('a', 1), ('b', 2), ('c', 3)]),
 
    ...     ['b', 'c', 'a'])
 
    OrderedDict([('b', 2), ('c', 3), ('a', 1)])
 
    """
 
    for key, v in fields.items():
 
        if key not in order:
 
            del fields[key]
 

	
 
    return OrderedDict(sorted(fields.items(), key=lambda k: order.index(k[0])))
 
    if django_VERSION < (1, 7, 0):
 
        # fields is SortedDict
 
        fields.keyOrder.sort(key=lambda k: order.index(k[0]))
 
        return fields
 
    else:
 
        # fields is OrderedDict
 
        return OrderedDict(sorted(fields.items(), key=lambda k: order.index(k[0])))
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