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Helper functions for creating Form classes from Django models
and database field objects.
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Constructs and returns a model instance from the bound ``form``'s
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database.
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Saves bound Form ``form``'s cleaned_data into model instance ``instance``.
If commit=True, then the changes to ``instance`` will be saved to the
database. Returns ``instance``.
If construct=False, assume ``instance`` has already been constructed and
just needs to be saved.
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Returns a dict containing the data in ``instance`` suitable for passing as
a Form's ``initial`` keyword argument.
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fields will be included in the returned dict.
``exclude`` is an optional list of field names. If provided, the named
fields will be excluded from the returned dict, even if they are listed in
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Returns a ``SortedDict`` containing form fields for the given model.
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fields will be included in the returned fields.
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fields will be excluded from the returned fields, even if they are listed
in the ``fields`` argument.
``widgets`` is a dictionary of model field names mapped to a widget.
``localized_fields`` is a list of names of fields which should be localized.
``labels`` is a dictionary of model field names mapped to a label.
``help_texts`` is a dictionary of model field names mapped to a help text.
``error_messages`` is a dictionary of model field names mapped to a
dictionary of error messages.
``formfield_callback`` is a callable that takes a model field and returns
a form field.
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details: #12507, #12521, #12553
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database. Returns ``instance``.
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Returns a ModelForm containing form fields for the given model.
``fields`` is an optional list of field names. If provided, only the named
fields will be included in the returned fields. If omitted or '__all__',
all fields will be used.
``exclude`` is an optional list of field names. If provided, the named
fields will be excluded from the returned fields, even if they are listed
in the ``fields`` argument.
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``localized_fields`` is a list of names of fields which should be localized.
``formfield_callback`` is a callable that takes a model field and returns
a form field.
``labels`` is a dictionary of model field names mapped to a label.
``help_texts`` is a dictionary of model field names mapped to a help text.
``error_messages`` is a dictionary of model field names mapped to a
dictionary of error messages.
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A ``FormSet`` for editing a queryset and/or adding new objects to it.
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Returns a FormSet class for the given Django model class.
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Finds and returns the ForeignKey from model to parent if there is one
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Returns an ``InlineFormSet`` for the given kwargs.
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A basic integer field that deals with validating the given value to a
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This method is used to convert objects into strings; it's used to
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Given a list of possible PK values, returns a QuerySet of the
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