U
    €HaŒ   ã                   @   s   d dl mZ d dlmZ d dlmZ d dlmZm	Z	m
Z
 d dlmZmZmZ G dd„ deƒZG dd	„ d	eeƒZG d
d„ de
ƒZG dd„ deeƒZG dd„ de	eƒZG dd„ deeƒZG dd„ deeƒZG dd„ deeƒZG dd„ deeƒZG dd„ dƒZG dd„ deeƒZG dd„ deeƒZdS )é    )ÚImproperlyConfigured)Úmodels)ÚHttpResponseRedirect)ÚContextMixinÚTemplateResponseMixinÚView)ÚBaseDetailViewÚSingleObjectMixinÚ!SingleObjectTemplateResponseMixinc                       sr   e Zd ZdZi ZdZdZdZdd„ Zdd„ Z	dd„ Z
dd	d
„Zdd„ Zdd„ Zdd„ Zdd„ Z‡ fdd„Z‡  ZS )Ú	FormMixinz5Provide a way to show and handle a form in a request.Nc                 C   s
   | j  ¡ S )z6Return the initial data to use for forms on this view.)ÚinitialÚcopy©Úself© r   ú=/tmp/pip-unpacked-wheel-3jxiddxt/django/views/generic/edit.pyÚget_initial   s    zFormMixin.get_initialc                 C   s   | j S )z#Return the prefix to use for forms.)Úprefixr   r   r   r   Ú
get_prefix   s    zFormMixin.get_prefixc                 C   s   | j S )zReturn the form class to use.)Ú
form_classr   r   r   r   Úget_form_class   s    zFormMixin.get_form_classc                 C   s   |dkr|   ¡ }|f |  ¡ ŽS )z7Return an instance of the form to be used in this view.N)r   Úget_form_kwargs)r   r   r   r   r   Úget_form   s    zFormMixin.get_formc                 C   s:   |   ¡ |  ¡ dœ}| jjdkr6| | jj| jjdœ¡ |S )ú8Return the keyword arguments for instantiating the form.)r   r   )ÚPOSTÚPUT)ÚdataÚfiles)r   r   ÚrequestÚmethodÚupdater   ZFILES©r   Úkwargsr   r   r   r   #   s    þþzFormMixin.get_form_kwargsc                 C   s   | j stdƒ‚t| j ƒS )ú<Return the URL to redirect to after processing a valid form.ú-No URL to redirect to. Provide a success_url.)Úsuccess_urlr   Ústrr   r   r   r   Úget_success_url1   s    zFormMixin.get_success_urlc                 C   s   t |  ¡ ƒS )z3If the form is valid, redirect to the supplied URL.)r   r'   ©r   Úformr   r   r   Ú
form_valid7   s    zFormMixin.form_validc                 C   s   |   | j|d¡S )z0If the form is invalid, render the invalid form.)r)   ©Zrender_to_responseÚget_context_datar(   r   r   r   Úform_invalid;   s    zFormMixin.form_invalidc                    s"   d|kr|   ¡ |d< tƒ jf |ŽS )z&Insert the form into the context dict.r)   )r   Úsuperr,   r!   ©Ú	__class__r   r   r,   ?   s    zFormMixin.get_context_data)N)Ú__name__Ú
__module__Ú__qualname__Ú__doc__r   r   r%   r   r   r   r   r   r   r'   r*   r-   r,   Ú__classcell__r   r   r/   r   r   
   s   
r   c                       s@   e Zd ZdZdZdd„ Z‡ fdd„Zdd„ Z‡ fd	d
„Z‡  Z	S )ÚModelFormMixinz:Provide a way to show and handle a ModelForm in a request.Nc                 C   sˆ   | j dk	r| jrtdƒ‚| jr$| jS | jdk	r6| j}n$t| ddƒdk	rP| jj}n
|  ¡ j}| j dkrttd| jj ƒ‚t	j
|| j dS dS )z*Return the form class to use in this view.Nz;Specifying both 'fields' and 'form_class' is not permitted.ÚobjectzUUsing ModelFormMixin (base class of %s) without the 'fields' attribute is prohibited.)Úfields)r8   r   r   ÚmodelÚgetattrr7   r0   Zget_querysetr1   Úmodel_formsZmodelform_factory)r   r9   r   r   r   r   J   s$    ÿ



ÿÿzModelFormMixin.get_form_classc                    s(   t ƒ  ¡ }t| dƒr$| d| ji¡ |S )r   r7   Úinstance)r.   r   Úhasattrr    r7   r!   r/   r   r   r   g   s    

zModelFormMixin.get_form_kwargsc                 C   sJ   | j r| j jf | jjŽ}n,z| j ¡ }W n tk
rD   tdƒ‚Y nX |S )r#   z^No URL to redirect to.  Either provide a url or define a get_absolute_url method on the Model.)r%   Úformatr7   Ú__dict__Zget_absolute_urlÚAttributeErrorr   )r   Úurlr   r   r   r'   n   s    ÿ
zModelFormMixin.get_success_urlc                    s   |  ¡ | _tƒ  |¡S )z0If the form is valid, save the associated model.)Úsaver7   r.   r*   r(   r/   r   r   r*   {   s    
zModelFormMixin.form_valid)
r1   r2   r3   r4   r8   r   r   r'   r*   r5   r   r   r/   r   r6   F   s   r6   c                   @   s(   e Zd ZdZdd„ Zdd„ Zdd„ ZdS )	ÚProcessFormViewz.Render a form on GET and processes it on POST.c                 O   s   |   |  ¡ ¡S )z=Handle GET requests: instantiate a blank version of the form.r+   ©r   r   Úargsr"   r   r   r   Úgetƒ   s    zProcessFormView.getc                 O   s(   |   ¡ }| ¡ r|  |¡S |  |¡S dS )zˆ
        Handle POST requests: instantiate a form instance with the passed
        POST variables and then check if it's valid.
        N)r   Zis_validr*   r-   )r   r   rE   r"   r)   r   r   r   Úpost‡   s    
zProcessFormView.postc                 O   s   | j ||ŽS ©N)rG   )r   rE   r"   r   r   r   Úput”   s    zProcessFormView.putN)r1   r2   r3   r4   rF   rG   rI   r   r   r   r   rC      s   rC   c                   @   s   e Zd ZdZdS )ÚBaseFormViewz"A base view for displaying a form.N©r1   r2   r3   r4   r   r   r   r   rJ   ˜   s   rJ   c                   @   s   e Zd ZdZdS )ÚFormViewz?A view for displaying a form and rendering a template response.NrK   r   r   r   r   rL   œ   s   rL   c                       s,   e Zd ZdZ‡ fdd„Z‡ fdd„Z‡  ZS )ÚBaseCreateViewz„
    Base view for creating a new object instance.

    Using this base class requires subclassing to provide a response mixin.
    c                    s   d | _ tƒ j|f|ž|ŽS rH   )r7   r.   rF   rD   r/   r   r   rF   ¦   s    zBaseCreateView.getc                    s   d | _ tƒ j|f|ž|ŽS rH   )r7   r.   rG   rD   r/   r   r   rG   ª   s    zBaseCreateView.post©r1   r2   r3   r4   rF   rG   r5   r   r   r/   r   rM       s   rM   c                   @   s   e Zd ZdZdZdS )Ú
CreateViewzQ
    View for creating a new object, with a response rendered by a template.
    Ú_formN©r1   r2   r3   r4   Ztemplate_name_suffixr   r   r   r   rO   ¯   s   rO   c                       s,   e Zd ZdZ‡ fdd„Z‡ fdd„Z‡  ZS )ÚBaseUpdateViewz
    Base view for updating an existing object.

    Using this base class requires subclassing to provide a response mixin.
    c                    s   |   ¡ | _tƒ j|f|ž|ŽS rH   )Ú
get_objectr7   r.   rF   rD   r/   r   r   rF   ¼   s    
zBaseUpdateView.getc                    s   |   ¡ | _tƒ j|f|ž|ŽS rH   )rS   r7   r.   rG   rD   r/   r   r   rG   À   s    
zBaseUpdateView.postrN   r   r   r/   r   rR   ¶   s   rR   c                   @   s   e Zd ZdZdZdS )Ú
UpdateViewzDView for updating an object, with a response rendered by a template.rP   NrQ   r   r   r   r   rT   Å   s   rT   c                   @   s,   e Zd ZdZdZdd„ Zdd„ Zdd„ ZdS )	ÚDeletionMixinz&Provide the ability to delete objects.Nc                 O   s$   |   ¡ | _|  ¡ }| j ¡  t|ƒS )zn
        Call the delete() method on the fetched object and then redirect to the
        success URL.
        )rS   r7   r'   Údeleter   )r   r   rE   r"   r%   r   r   r   rV   Î   s    

zDeletionMixin.deletec                 O   s   | j |f|ž|ŽS rH   )rV   rD   r   r   r   rG   Ù   s    zDeletionMixin.postc                 C   s$   | j r| j jf | jjŽS tdƒ‚d S )Nr$   )r%   r>   r7   r?   r   r   r   r   r   r'   Ü   s
    ÿzDeletionMixin.get_success_url)r1   r2   r3   r4   r%   rV   rG   r'   r   r   r   r   rU   Ê   s
   rU   c                   @   s   e Zd ZdZdS )ÚBaseDeleteViewzx
    Base view for deleting an object.

    Using this base class requires subclassing to provide a response mixin.
    NrK   r   r   r   r   rW   ä   s   rW   c                   @   s   e Zd ZdZdZdS )Ú
DeleteViewzs
    View for deleting an object retrieved with self.get_object(), with a
    response rendered by a template.
    Z_confirm_deleteNrQ   r   r   r   r   rX   ì   s   rX   N)Zdjango.core.exceptionsr   Zdjango.formsr   r;   Zdjango.httpr   Zdjango.views.generic.baser   r   r   Zdjango.views.generic.detailr   r	   r
   r   r6   rC   rJ   rL   rM   rO   rR   rT   rU   rW   rX   r   r   r   r   Ú<module>   s    <;