¿Hay una referencia de Django?

Soy nuevo en Django. He encontrado las guías de temas oficiales https://docs.djangoproject.com/en/1.3/ un excelente lugar para aprender. Pero ahora estoy en un lugar donde necesito una referencia rápida para ver qué métodos tiene un objeto, qué argumentos toma, qué devuelve, etc., como los documentos de Python o los documentos de Java. Más una referencia que un tutorial. Los documentos oficiales son de estilo tutorial y no necesariamente tienen referencia a todos los métodos.

¿Me estoy perdiendo de algo? ¿Los documentos oficiales de Django son suficientes para todos?

Puede que sea incorrecto, pero he estado usando django durante más de un año y nunca encontré esa guía.

Un poco desafortunado: me gustaría tener una referencia de función como la que mencionaste. Sin embargo, como recurso adicional, http://www.djangobook.com/ es muy bueno. Siempre he considerado construir uno, pero soy muy vago.

También hay otra referencia que puede usar cuando está atascado http://www.thedjangoforum.com

Python tiene un mecanismo incorporado para eso: docstrings. Ejemplo:

>>> import django.forms
>>> help(django.forms.ModelForm)
Help on class ModelForm in module django.forms.models:

class ModelForm(BaseModelForm)
 |  Method resolution order:
 |      ModelForm
 |      BaseModelForm
 |      django.forms.forms.BaseForm
 |      django.utils.encoding.StrAndUnicode
 |      __builtin__.object
 |  
 |  Data and other attributes defined here:
 |  
 |  __metaclass__ = <class 'django.forms.models.ModelFormMetaclass'>
 |  
 |  
 |  ----------------------------------------------------------------------
 |  Methods inherited from BaseModelForm:
 |  
 |  __init__(self, data=None, files=None, auto_id='id_%s', prefix=None, initial=None, error_class=<class 'django.forms.util.ErrorList'>, label_suffix=':', empty_permitted=False, instance=None)
 |  
 |  clean(self)

 |  
 |  save(self, commit=True)
 |      Saves this ``form``'s cleaned_data into model instance
 |      ``self.instance``.
 |      
 |      If commit=True, then the changes to ``instance`` will be saved to the
 |      database. Returns ``instance``.
 |  
 |  validate_unique(self)
 |      Calls the instance's validate_unique() method and updates the form's
 |      validation errors if any were raised.
 |  
 |  ----------------------------------------------------------------------
 |  Methods inherited from django.forms.forms.BaseForm:
 |  
 |  __getitem__(self, name)
 |      Returns a BoundField with the given name.
 |  
 |  __iter__(self)
 |  
 |  __unicode__(self)
 |  
 |  add_initial_prefix(self, field_name)

 |      Add a 'initial' prefix for checking dynamic initial values
 |  
 |  add_prefix(self, field_name)
 |      Returns the field name with a prefix appended, if this Form has a
 |      prefix set.
 |      
 |      Subclasses may wish to override.
 |  
 |  as_p(self)
 |      Returns this form rendered as HTML <p>s.
 |  
 |  as_table(self)
 |      Returns this form rendered as HTML <tr>s -- excluding the <table></table>.
 |  
 |  as_ul(self)
 |      Returns this form rendered as HTML <li>s -- excluding the <ul></ul>.
 |  
 |  full_clean(self)
 |      Cleans all of self.data and populates self._errors and
 |      self.cleaned_data.
 |  
 |  has_changed(self)
 |      Returns True if data differs from initial.
 |  
 |  hidden_fields(self)
 |      Returns a list of all the BoundField objects that are hidden fields.
 |      Useful for manual form layout in templates.
 |  
 |  is_multipart(self)
 |      Returns True if the form needs to be multipart-encrypted, i.e. it has
 |      FileInput. Otherwise, False.
 |  
 |  is_valid(self)
 |      Returns True if the form has no errors. Otherwise, False. If errors are
 |      being ignored, returns False.
 |  
 |  non_field_errors(self)
 |      Returns an ErrorList of errors that aren't associated with a particular
 |      field -- i.e., from Form.clean(). Returns an empty ErrorList if there
 |      are none.
 |  
 |  visible_fields(self)
 |      Returns a list of BoundField objects that aren't hidden fields.
 |      The opposite of the hidden_fields() method.
 |  
 |  ----------------------------------------------------------------------
 |  Data descriptors inherited from django.forms.forms.BaseForm:
 |  
 |  changed_data
 |  
 |  errors
 |      Returns an ErrorDict for the data provided for the form
 |  
 |  media
 |      Provide a description of all media required to render the widgets on this form
 |  
 |  ----------------------------------------------------------------------
 |  Methods inherited from django.utils.encoding.StrAndUnicode:
 |  
 |  __str__(self)
 |  
 |  ----------------------------------------------------------------------
 |  Data descriptors inherited from django.utils.encoding.StrAndUnicode:
 |  
 |  __dict__
 |      dictionary for instance variables (if defined)
 |  
 |  __weakref__
 |      list of weak references to the object (if defined)

Luego puede buscar las cadenas de documentos de métodos individuales:

>>> help(django.forms.ModelForm.is_valid)
Help on method is_valid in module django.forms.forms:

is_valid(self) unbound django.forms.models.ModelForm method
    Returns True if the form has no errors. Otherwise, False. If errors are
    being ignored, returns False.

Personalmente, creo que usar pycharm IDE ayuda a acelerar el desarrollo de django significativamente. También en el shell django puede usar la función ipython para obtener cadenas de documentos y código fuente, escribiendo algo y seguido de? (información básica) o ?? (código fuente). También otras funciones de ipython como la finalización de pestañas (solo un nivel de profundidad) son muy útiles.

In [1]: from django.contrib.auth.models import User

In [2]: User ?
Type:       ModelBase
Base Class: <class 'django.db.models.base.ModelBase'>
String Form:    <class 'django.contrib.auth.models.User'>
Namespace:  Interactive
File:       /usr/local/lib/python2.6/dist-packages/Django-1.2.5-py2.6.egg/django/contrib/auth/models.py
Docstring:
    Users within the Django authentication system are represented by this model.

    Username and password are required. Other fields are optional.

Constructor information:
Definition: User(self, *args, **kwargs)


In [3]: User ??
Type:             ModelBase
Base Class:       <class 'django.db.models.base.ModelBase'>
String Form:   <class 'django.contrib.auth.models.User'>
Namespace:        Interactive
File:             /usr/local/lib/python2.6/dist-packages/Django-1.2.5-py2.6.egg/django/contrib/auth/models.py
Source:

class User(models.Model):
    """
    Users within the Django authentication system are represented by this model.

    Username and password are required. Other fields are optional.
    """
    username = models.CharField(_('username'), max_length=30, unique=True, help_text=_("Required. 30 characters or fewer. Letters, numbers and @/./+/-/_ characters"))
    first_name = models.CharField(_('first name'), max_length=30, blank=True)
    last_name = models.CharField(_('last name'), max_length=30, blank=True)
    email = models.EmailField(_('e-mail address'), blank=True)
    password = models.CharField(_('password'), max_length=128, help_text=_("Use '[algo]$[salt]$[hexdigest]' or use the <a href=\"password/\">change password form</a>."))
    is_staff = models.BooleanField(_('staff status'), default=False, help_text=_("Designates whether the user can log into this admin site."))
    is_active = models.BooleanField(_('active'), default=True, help_text=_("Designates whether this user should be treated as active. Unselect this instead of deleting accounts."))
    is_superuser = models.BooleanField(_('superuser status'), default=False, help_text=_("Designates that this user has all permissions without explicitly assigning them."))
    last_login = models.DateTimeField(_('last login'), default=datetime.datetime.now)
    date_joined = models.DateTimeField(_('date joined'), default=datetime.datetime.now)
    groups = models.ManyToManyField(Group, verbose_name=_('groups'), blank=True,
        help_text=_("In addition to the permissions manually assigned, this user will also get all permissions granted to each group he/she is in."))
    user_permissions = models.ManyToManyField(Permission, verbose_name=_('user permissions'), blank=True)
    objects = UserManager()

        class Meta:
        verbose_name = _('user')
[...]