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app/docs/forms.rst:4: WARNING: autodoc: failed to import module u'app.forms'; the following exception was raised:
Traceback (most recent call last):
  File "path/to/sphinx/ext/autodoc.py", line 326, in import_object
    __import__(self.modname)
  File "app/forms.py", line 8, in <module>
    class MyAppForm(ModelForm):
  File "path/to/django/forms/models.py", line 206, in __new__
    opts.exclude, opts.widgets, formfield_callback)
  File "path/to/django/forms/models.py", line 160, in fields_for_model
    formfield = f.formfield(**kwargs)

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import logging
from haystack.fields import CharField  # Whatever fields you want ...
from myapp.models import MyModel

logger = logging.getLogger(__name__)

try:
    # haystack 1.2x
    from haystack import site
    from haystack.indexes import SearchIndex

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def author(self):
    entries = (LogEntry.objects
               .filter(content_type=ContentType.objects.get_for_model(self), object_id=self.pk)
               .filter(Q(action_flag=ADDITION | Q(action_flag=CHANGE)))
    # switch to -action_time if you want the last edit, rather than the first.
    return entries.order_by('action_time')[:1][0]

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class MySuperClass(Model):
    # some stuff follows ...
    pass


class MySubClass(MySuperClass):
    # unique fields
    pass

obj = MySuperClass.objects.get(pk=1)

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>>> from uuid import uuid4
>>> from django.db import models
>>> from django.contrib.auth.models import User
>>> User.objects.create(username=str(uuid4()))
<User: >
>>> User.add_to_class('username', models.CharField(max_length=300))
>>> User.objects.create(username=str(uuid4()))
Traceback (most recent call last):
  File "<console>", line 1, in <module>
  File "/django/db/models/manager.py", line 137, in create

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var disable_elements = function(evt) {
    // `this` is the form being submitted, in the current context ...
    $(this)
        .find('input[type="submit"], button, a.button')
        .addClass('disabled')
        .attr('readonly', 'readonly')
        .attr('disabled', 'disabled')
        .css({opacity: 0.5});
    // note: the css and disabled parts may need removing, depending 
    // on needs (ie: the css could be set on the `disabled` class)

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$('input[type="checkbox"]').live('change', function(evt) {
    var $this = $(this);
    var $parent = $this.parent();
    if ($this.attr('checked') === true) {
        $parent.addClass('selected').removeClass('unselected');
        return true;
    } else {
        $parent.removeClass('selected').addClass('unselected');
        return false;
    }

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var previous_result = '';
// listen to an input ...
$('#filter-input').live('keyup', function(evt) {
    var filtering_by = $(this).val().toLowerCase();
    if (previous_result === filtering_by) {
        return;
    }
    previous_result = filtering_by;
    // eg: labels, list items, whatever.
    var possibles = $('#nodes-to-filter'); 

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DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.mysql',
        'OPTIONS':{
            "init_command": "SET storage_engine=INNODB, collation_connection='utf8_unicode_ci', sql_mode='TRADITIONAL', NAMES 'utf8';",
        },
    },
}

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from django.core.paginator import Paginator

class ChunkingPaginator(Paginator):
    def chunked_objects(self):
        """
        Usage:
        bigqs = ChunkingPaginator(Model.objects.all(), 100)
        for obj in bigqs.chunked_objects():
            # do something with the obj
            pass