cansadadeserfeliz

from django.core.validators import RegexValidator

plates_validator = RegexValidator(
    r'^([A-Z]{3}\d{3}|[A-Z]{2}\d{4}|[A-Z]{2}\d{3}[A-Z]|[A-Z]\d{4,5}|[A-Z]{3}\d{2}[A-Z])$',
    u'Combinaciones posibles: ABC123, AB1234, AB123C, A1234, A12345, ABC12D'
)

# http://www.regexr.com/391ai

cansadadeserfeliz

class MyForm(forms.ModelForm):
    requested_asset = None
    
    def __init__(self, *args, **kwargs):
        other_variable = kwargs.pop('other_variable')
        super(MyForm, self).__init__(*args, **kwargs)

cansadadeserfeliz

# source: http://stackoverflow.com/questions/1317714/how-can-i-filter-a-date-of-a-datetimefield-in-django

from django.utils import timezone

today_min = datetime.datetime.combine(timezone.now().date(), datetime.time.min)
today_max = datetime.datetime.combine(timezone.now().date(), datetime.time.max)
MyModel.objects.get(date__range=(today_min, today_max))

cansadadeserfeliz

from django import forms

from customer.models import Customer

class AssertRequestForm(forms.ModelForm):
    customer = forms.ModelChoiceField(
        label=u'Cliente',
        queryset=Customer.objects.all(),
        required=False,
    )

cansadadeserfeliz

#! /usr/bin/env python
# -*- coding: utf-8 -*-

from userprofile.models import User


class EmailModelBackend(object):
    """ Autenticar el usuario con email """
    def authenticate(self, username=None, password=None):
        kwargs = {'email': username}

cansadadeserfeliz

class MyAdmin(admin.ModelAdmin):

    def has_delete_permission(self, request, obj=None):
        return False

    def get_actions(self, request):
        actions = super(MyAdmin, self).get_actions(request)
        if 'delete_selected' in actions:
            del actions['delete_selected']
        return actions

cansadadeserfeliz

import json
from django.test import TestCase

class JSONViewTestCase(TestCase):

    def test_json_view(self):
        response = self.client.post(
            reverse('my_json_view'),
            json.dumps({
                # your JSON

cansadadeserfeliz

class BasicAdmin(admin.ModelAdmin):
    # ...

    def get_urls(self):
        urls = super(BasicAdmin, self).get_urls()
        my_urls = patterns(
            '',
            (r'^download_as_xls/$', self.download_as_xls_view)
        )
        return my_urls + urls

cansadadeserfeliz

from django.forms.models import model_to_dict

instance = MyModel.objects.first()
fields = model_to_dict(instance).keys()

cansadadeserfeliz

class ContactForm(forms.ModelForm):

    def __init__(self, *args, **kwargs):
        super(ContactForm, self).__init__(*args, **kwargs)
        self.fields['topic'].queryset = ContactTopic.objects.filter(
            is_active=True,
        )

    class Meta:
        model = ContactMessage