OwlCyberSecurity - MANAGER
Edit File: base.cpython-39.pyc
a ���e�3 � @ s� d Z ddlZddlZddlmZ ddlmZ ddlmZ ddl m Z e � Z G dd� d�Z G d d � d e�ZG d d � d e�ZG d d� de�ZG dd� de�ZG dd� d�ZG dd� d�ZG dd� d�ZG dd� d�Zdd� Zdd � Zd d � ZdS ) z; Module for abstract serializer/unserializer base classes. � N)�StringIO)�ObjectDoesNotExist)�models)�RemovedInDjango50Warningc @ s* e Zd ZdZd dd�Zdd� Zdd� ZdS ) �PickleSerializerzd Simple wrapper around pickle to be used in signing.dumps()/loads() and cache backends. Nc C s$ t �dt� |d u rtjn|| _d S )NzTPickleSerializer is deprecated due to its security risk. Use JSONSerializer instead.)�warnings�warnr �pickle�HIGHEST_PROTOCOL�protocol)�selfr � r �]/home/gouroczh/virtualenv/pat/3.9/lib/python3.9/site-packages/django/core/serializers/base.py�__init__ s �zPickleSerializer.__init__c C s t �|| j�S �N)r �dumpsr �r �objr r r r s zPickleSerializer.dumpsc C s t �|�S r )r �loads)r �datar r r r s zPickleSerializer.loads)N)�__name__� __module__� __qualname__�__doc__r r r r r r r r s r c @ s e Zd ZdZdS )�SerializerDoesNotExistz'The requested serializer was not found.N�r r r r r r r r r $ s r c @ s e Zd ZdZdS )�SerializationErrorz,Something bad happened during serialization.Nr r r r r r * s r c @ s e Zd ZdZedd� �ZdS )�DeserializationErrorz.Something bad happened during deserialization.c C s | d||||f �S )zs Factory method for creating a deserialization error which has a more explanatory message. z#%s: (%s:pk=%s) field_value was '%s'r )�cls� original_exc�modelZfk� field_valuer r r �WithData3 s ��z DeserializationError.WithDataN)r r r r � classmethodr" r r r r r 0 s r c @ s e Zd ZdZdd� ZdS )�M2MDeserializationErrorzCSomething bad happened during deserialization of a ManyToManyField.c C s || _ || _d S r )r �pk)r r r% r r r r B s z M2MDeserializationError.__init__N)r r r r r r r r r r$ ? s r$ c @ s e Zd ZdZdd� Zdd� ZdS )� ProgressBar�K c C s || _ || _d| _d S )Nr )�output� total_count� prev_done)r r( r) r r r r J s zProgressBar.__init__c C s� | j s d S |d | j }|| j d }| j|kr4d S || _| jdkrHdnd}| j �|d d| d| j| d � || jkr�| j �d � | j �� d S ) N�d � � � �[�.� �]� )r( r) �progress_widthr* �write�flush)r �count�perc�done�crr r r �updateO s � zProgressBar.updateN)r r r r4 r r; r r r r r& G s r& c @ st e Zd ZdZdZeZeZddddddd�dd�Z dd � Z d d � Z d d � Z dd� Z dd� Zdd� Zdd� Zdd� ZdS )� Serializerz) Abstract serializer base class. FNr )�stream�fields�use_natural_foreign_keys�use_natural_primary_keys�progress_output� object_countc K s� || _ |dur|n| �� | _|| _|| _|| _| �||�} | �� d| _t |dd�D �]\} } | � | � | j j } | jr�| j j } | jr�| jjr�| nd}nd}| j jD ]l}|js�||u r�|jdu r�| jdu s�|j| jv r�| �| |� q�| jdu �s|jdd� | jv r�| �| |� q�| j jD ]4}|j�r| jdu �s>|j| jv �r| �| |� �q| �| � | �| � | j�old| _qT| �� | �� S )z' Serialize a queryset. NTr, )�start���F)�options� stream_classr= Zselected_fieldsr? r@ �progress_class�start_serialization�first� enumerate� start_object�_meta�concrete_modelr% � remote_fieldZ parent_linkZ local_fields� serialize�attname� handle_field�handle_fk_fieldZlocal_many_to_many�handle_m2m_field� end_objectr; �end_serialization�getvalue)r Zquerysetr= r> r? r@ rA rB rE � progress_barr7 r rM r% Z pk_parent�fieldr r r rO k sR � � ��� � � zSerializer.serializec C s t d��dS )zA Called when serializing of the queryset starts. zDsubclasses of Serializer must provide a start_serialization() methodN��NotImplementedError�r r r r rH � s �z Serializer.start_serializationc C s dS )z? Called when serializing of the queryset ends. Nr r[ r r r rU � s z Serializer.end_serializationc C s t d��dS )z> Called when serializing of an object starts. z=subclasses of Serializer must provide a start_object() methodNrY r r r r rK � s �zSerializer.start_objectc C s dS )z< Called when serializing of an object ends. Nr r r r r rT � s zSerializer.end_objectc C s t d��dS )zW Called to handle each individual (non-relational) field on an object. z=subclasses of Serializer must provide a handle_field() methodNrY �r r rX r r r rQ � s �zSerializer.handle_fieldc C s t d��dS )z6 Called to handle a ForeignKey field. z@subclasses of Serializer must provide a handle_fk_field() methodNrY r\ r r r rR � s �zSerializer.handle_fk_fieldc C s t d��dS )z5 Called to handle a ManyToManyField. zAsubclasses of Serializer must provide a handle_m2m_field() methodNrY r\ r r r rS � s �zSerializer.handle_m2m_fieldc C s t t| jdd��r | j�� S dS )zn Return the fully serialized queryset (or None if the output stream is not seekable). rV N)�callable�getattrr= rV r[ r r r rV � s zSerializer.getvalue)r r r r Zinternal_use_onlyr& rG r rF rO rH rU rK rT rQ rR rS rV r r r r r< ` s& � Cr< c @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) � Deserializerz+ Abstract base deserializer class. c K s& || _ t|t�r t|�| _n|| _dS )zA Init this serializer given a stream or a string N)rE � isinstance�strr r= )r Zstream_or_stringrE r r r r � s zDeserializer.__init__c C s | S r r r[ r r r �__iter__� s zDeserializer.__iter__c C s t d��dS )z9Iteration interface -- return the next item in the streamz;subclasses of Deserializer must provide a __next__() methodNrY r[ r r r �__next__� s �zDeserializer.__next__N)r r r r r rb rc r r r r r_ � s r_ c @ s6 e Zd ZdZd dd�Zdd� Zd dd �Zdd d �ZdS )�DeserializedObjectae A deserialized model. Basically a container for holding the pre-saved deserialized data along with the many-to-many data saved with the object. Call ``save()`` to save the object (with the many-to-many data) to the database; call ``save(save_m2m=False)`` to save just the object fields (and not touch the many-to-many stuff.) Nc C s || _ || _|| _d S r )�object�m2m_data�deferred_fields)r r rf rg r r r r s zDeserializedObject.__init__c C s d| j j| jjj| jjf S )Nz<%s: %s(pk=%s)>)� __class__r re rL �labelr% r[ r r r �__repr__ s �zDeserializedObject.__repr__Tc K sV t jj| jf|dd�|�� | jrL|rL| j�� D ]\}}t| j|��|� q0d | _d S )NT)�using�raw)r �ModelZ save_basere rf �itemsr^ �set)r Zsave_m2mrk �kwargsZ accessor_nameZ object_listr r r �save s zDeserializedObject.savec C s i | _ | j�� D ]�\}}| jj}|jd |j }t|jt j �r�zt |||dd�}W n< t y� } z$t �|j|| jj|j��W Y d }~n d }~0 0 || j |j< qt|jt j�rzt|||dd�}W n8 ty� } z t �||| jj|��W Y d }~n d }~0 0 t| j|j|� q| �� d S )Nr0 F)�handle_forward_references)rf rg rn re rL Z app_labelZ model_namer` rN r Z ManyToManyRel�deserialize_m2m_valuesr$ r r" r r% �nameZ ManyToOneRel�deserialize_fk_value� Exception�setattrrP rq ) r rk rX r! �optsri �values�e�valuer r r �save_deferred_fields) s2 � �� �z'DeserializedObject.save_deferred_fields)NN)TN)N)r r r r r rj rq r| r r r r rd s rd c C s� | j j}|�| j jj�}|du r�t|d�r�t| d�r�| f i |��}||j_|�� }z*| j j� |� |�j |� j�|| j jj< W n | j y� Y n0 | f i |��S )z� Build a model instance. If the model instance doesn't have a primary key and the model supports natural keys, try to retrieve it from the database. N�get_by_natural_key� natural_key) rL �default_manager�getr% rP �hasattr�_state�dbr~ � to_python� db_managerr} Z DoesNotExist)rm r r� r r% r r~ r r r �build_instanceE s$ ����r� c s� | j j� t� jd�r$� �fdd�}n � fdd�}z t|�}W n. tyj } zt||��W Y d }~n d }~0 0 z"g }|D ]}|�||�� qv|W S ty� } z4t |t �r�|r�t W Y d }~S t||��W Y d }~n d }~0 0 d S )Nr} c s: t | d�r(t| t�s(� j���j| � jS � jj�| �S d S )Nrb ) r� r` ra �_default_managerr� r} r% rL r� )r{ �r rk r r � m2m_convertc s ��z+deserialize_m2m_values.<locals>.m2m_convertc s � j j�| �S r )rL r% r� )�v)r r r r� o s ) rN r r� r� �iter� TypeErrorr$ �appendrv r` r � DEFER_FIELD) rX r! rk rr r� Zpks_iterrz ry r% r r� r rs _ s" rs c C s� |d u r d S | j j}|j}| j j}t|d�r�t|d�r�t|t�s�z|�|�j|� }W n t yt |rnt Y S � Y n0 t ||�}|j j j r�|j }|S |j �|��|�S )Nr} rb )rN r r� � field_namer� r` ra r� r} r r� r^ rL r% � get_fieldr� ) rX r! rk rr r r r� r r{ r r r ru � s, ��� ru )r r r �ior Zdjango.core.exceptionsr Z django.dbr Zdjango.utils.deprecationr re r� r �KeyErrorr rv r r r$ r& r< r_ rd r� rs ru r r r r �<module> s( A#