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a p�h� � @ sb d Z ddlmZ ddlmZ eg d��ZG dd� de�ZG dd� de �Z G d d � d ee e��Z d S ) z� flask.views ~~~~~~~~~~~ This module provides class-based views inspired by the ones in Django. :copyright: 2010 Pallets :license: BSD-3-Clause � )�with_metaclass)�request)�get�post�head�options�delete�put�trace�patchc @ s0 e Zd ZdZdZdZdZdd� Zedd� �Z dS )�Viewa� Alternative way to use view functions. A subclass has to implement :meth:`dispatch_request` which is called with the view arguments from the URL routing system. If :attr:`methods` is provided the methods do not have to be passed to the :meth:`~flask.Flask.add_url_rule` method explicitly:: class MyView(View): methods = ['GET'] def dispatch_request(self, name): return 'Hello %s!' % name app.add_url_rule('/hello/<name>', view_func=MyView.as_view('myview')) When you want to decorate a pluggable view you will have to either do that when the view function is created (by wrapping the return value of :meth:`as_view`) or you can use the :attr:`decorators` attribute:: class SecretView(View): methods = ['GET'] decorators = [superuser_required] def dispatch_request(self): ... The decorators stored in the decorators list are applied one after another when the view function is created. Note that you can *not* use the class based decorators since those would decorate the view class and not the generated view function! N� c C s t � �dS )z�Subclasses have to override this method to implement the actual view function code. This method is called with all the arguments from the URL rule. N)�NotImplementedError)�selfr r �{/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/flask/views.py�dispatch_requestE s zView.dispatch_requestc sh � ��fdd��| j r8|�_| j�_| j D ] }|���q*| �_|�_| j�_| j�_| j�_| j�_�S )a� Converts the class into an actual view function that can be used with the routing system. Internally this generates a function on the fly which will instantiate the :class:`View` on each request and call the :meth:`dispatch_request` method on it. The arguments passed to :meth:`as_view` are forwarded to the constructor of the class. c s �j � i ���}|j| i |��S )N)� view_classr )�args�kwargsr �� class_args� class_kwargs�viewr r r W s zView.as_view.<locals>.view)� decorators�__name__� __module__r �__doc__�methods�provide_automatic_options)�cls�namer r � decoratorr r r �as_viewL s z View.as_view) r r � __qualname__r r r r r � classmethodr" r r r r r s r c s e Zd ZdZ� fdd�Z� ZS )�MethodViewTypezYMetaclass for :class:`MethodView` that determines what methods the view defines. c st t t| ��|||� d|vrpt� }|D ] }t|dd �r&|�|j� q&tD ] }t| |�rH|� |� � � qH|rp|| _d S )Nr ) �superr% �__init__�set�getattr�updater �http_method_funcs�hasattr�add�upper)r r �bases�dr �base�key�� __class__r r r' t s zMethodViewType.__init__)r r r# r r' � __classcell__r r r3 r r% o s r% c @ s e Zd ZdZdd� ZdS )� MethodViewa A class-based view that dispatches request methods to the corresponding class methods. For example, if you implement a ``get`` method, it will be used to handle ``GET`` requests. :: class CounterAPI(MethodView): def get(self): return session.get('counter', 0) def post(self): session['counter'] = session.get('counter', 0) + 1 return 'OK' app.add_url_rule('/counter', view_func=CounterAPI.as_view('counter')) c O sT t | tj�� d �}|d u r0tjdkr0t | dd �}|d usFJ dtj ��||i |��S )N�HEADr zUnimplemented method %r)r) r �method�lower)r r r �methr r r r � s zMethodView.dispatch_requestN)r r r# r r r r r r r6 � s r6 N) r �_compatr �globalsr � frozensetr+ �objectr �typer% r6 r r r r �<module> s �[
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