EuroPython 2014 model layout and migrations

Stripped down to the bare classes and relations. Code taken from
https://github.com/pysv/djep

accounts/migrations/0001_initial.py

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+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+from django.conf import settings
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('schedule', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='BadgeStatus',
+            fields=[
+                ('id', models.AutoField(auto_created=True, verbose_name='ID', serialize=False, primary_key=True)),
+                ('name', models.CharField(max_length=50, verbose_name='Name')),
+                ('slug', models.SlugField(verbose_name='slug')),
+            ],
+            options={
+                'ordering': ('name',),
+            },
+        ),
+        migrations.CreateModel(
+            name='Profile',
+            fields=[
+                ('id', models.AutoField(auto_created=True, verbose_name='ID', serialize=False, primary_key=True)),
+                ('short_info', models.TextField(verbose_name='short info', blank=True)),
+                ('avatar', models.ImageField(upload_to='avatars', null=True, verbose_name='avatar', blank=True)),
+                ('num_accompanying_children', models.PositiveIntegerField(null=True, verbose_name='Number of accompanying children', default=0, blank=True)),
+                ('age_accompanying_children', models.CharField(max_length=20, verbose_name='Age of accompanying children', blank=True)),
+                ('twitter', models.CharField(max_length=20, verbose_name='Twitter', blank=True)),
+                ('website', models.URLField(verbose_name='Website', blank=True)),
+                ('organisation', models.TextField(verbose_name='Organisation', blank=True)),
+                ('full_name', models.CharField(max_length=255, verbose_name='Full name', blank=True)),
+                ('display_name', models.CharField(help_text='What name should be displayed to other people?', verbose_name='Display name', max_length=255, blank=True)),
+                ('addressed_as', models.CharField(help_text='How should we call you in mails and dialogs throughout the website?', verbose_name='Address me as', max_length=255, blank=True)),
+                ('accept_pysv_conferences', models.BooleanField(verbose_name='Allow copying to PySV conferences', default=False)),
+                ('accept_ep_conferences', models.BooleanField(verbose_name='Allow copying to EPS conferences', default=False)),
+                ('accept_job_offers', models.BooleanField(verbose_name='Allow sponsors to send job offers', default=False)),
+                ('badge_status', models.ManyToManyField(to='accounts.BadgeStatus', verbose_name='Badge status', related_name='profiles', blank=True)),
+                ('sessions_attending', models.ManyToManyField(to='schedule.Session', verbose_name='Trainings', related_name='attendees', blank=True)),
+                ('user', models.OneToOneField(to=settings.AUTH_USER_MODEL, related_name='profile')),
+            ],
+            options={
+                'permissions': (('send_user_mails', 'Allow sending mails to users through the website'), ('export_guidebook', 'Allow export of guidebook data'), ('see_checkin_info', 'Allow seeing check-in information'), ('perform_purchase', 'Allow performing purchases')),
+            },
+        ),
+    ]

accounts/models.py

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+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.conf import settings
+from django.db import models
+from django.utils.translation import ugettext_lazy as _
+
+
+class BadgeStatus(models.Model):
+    name = models.CharField(_('Name'), max_length=50)
+    slug = models.SlugField(_('slug'), max_length=50)
+
+    class Meta:
+        ordering = ('name',)
+
+
+class Profile(models.Model):
+    user = models.OneToOneField(settings.AUTH_USER_MODEL, related_name='profile')
+    short_info = models.TextField(_('short info'), blank=True)
+    avatar = models.ImageField(_('avatar'), upload_to='avatars', null=True, blank=True)
+    num_accompanying_children = models.PositiveIntegerField(_('Number of accompanying children'),
+        null=True, blank=True, default=0)
+    age_accompanying_children = models.CharField(_("Age of accompanying children"), blank=True, max_length=20)
+    twitter = models.CharField(_("Twitter"), blank=True, max_length=20)
+    website = models.URLField(_("Website"), blank=True)
+    organisation = models.TextField(_('Organisation'), blank=True)
+    full_name = models.CharField(_("Full name"), max_length=255, blank=True)
+    display_name = models.CharField(_("Display name"), max_length=255,
+        help_text=_('What name should be displayed to other people?'),
+        blank=True)
+    addressed_as = models.CharField(_("Address me as"), max_length=255,
+        help_text=_('How should we call you in mails and dialogs throughout the website?'),
+        blank=True)
+    accept_pysv_conferences = models.BooleanField(_('Allow copying to PySV conferences'),
+        default=False, blank=True)
+    accept_ep_conferences = models.BooleanField(_('Allow copying to EPS conferences'),
+        default=False, blank=True)
+    accept_job_offers = models.BooleanField(_('Allow sponsors to send job offers'),
+        default=False, blank=True)
+
+    badge_status = models.ManyToManyField('accounts.BadgeStatus', blank=True,
+        verbose_name=_('Badge status'), related_name='profiles')
+
+    sessions_attending = models.ManyToManyField('schedule.Session', blank=True,
+        related_name='attendees', verbose_name=_('Trainings'))
+
+    class Meta:
+        permissions = (
+            ('send_user_mails', _('Allow sending mails to users through the website')),
+            ('export_guidebook', _('Allow export of guidebook data')),
+            ('see_checkin_info', _('Allow seeing check-in information')),
+            ('perform_purchase', _('Allow performing purchases'))
+        )