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U �^ZD& � @ s d Z ddlmZ dZdZdZdZzddlmZ e Z W n e k rL e ZY nX zddl mZmZ W n$ e k r� ddlmZmZ Y nX dd lmZ dd lZdd lZe� Zd d d �Zefdd�Zdd� ZG dd� de�ZG dd� de�ZG dd� de�Z dd� Z dd� Z d S ) z7 Identify specific nodes in a JSON document (RFC 6901) � )�unicode_literalsu Stefan Kögl <stefan@skoegl.net>z2.0z2https://github.com/stefankoegl/python-json-pointerzModified BSD License)�izip)�Mapping�Sequence)�teeNTc C s t |�}|�| ||�S )a� Resolves pointer against doc and sets the value of the target within doc. With inplace set to true, doc is modified as long as pointer is not the root. >>> obj = {'foo': {'anArray': [ {'prop': 44}], 'another prop': {'baz': 'A string' }}} >>> set_pointer(obj, '/foo/anArray/0/prop', 55) == {'foo': {'another prop': {'baz': 'A string'}, 'anArray': [{'prop': 55}]}} True >>> set_pointer(obj, '/foo/yet another prop', 'added prop') == {'foo': {'another prop': {'baz': 'A string'}, 'yet another prop': 'added prop', 'anArray': [{'prop': 55}]}} True >>> obj = {'foo': {}} >>> set_pointer(obj, '/foo/a%20b', 'x') == {'foo': {'a%20b': 'x' }} True )� JsonPointer�set)�doc�pointer�value�inplace� r �-/usr/lib/python3/dist-packages/jsonpointer.py� set_pointer? s r c C s t |�}|�| |�S )aa Resolves pointer against doc and returns the referenced object >>> obj = {'foo': {'anArray': [ {'prop': 44}], 'another prop': {'baz': 'A string' }}, 'a%20b': 1, 'c d': 2} >>> resolve_pointer(obj, '') == obj True >>> resolve_pointer(obj, '/foo') == obj['foo'] True >>> resolve_pointer(obj, '/foo/another prop') == obj['foo']['another prop'] True >>> resolve_pointer(obj, '/foo/another prop/baz') == obj['foo']['another prop']['baz'] True >>> resolve_pointer(obj, '/foo/anArray/0') == obj['foo']['anArray'][0] True >>> resolve_pointer(obj, '/some/path', None) == None True >>> resolve_pointer(obj, '/a b', None) == None True >>> resolve_pointer(obj, '/a%20b') == 1 True >>> resolve_pointer(obj, '/c d') == 2 True >>> resolve_pointer(obj, '/c%20d', None) == None True )r �resolve)r r �defaultr r r �resolve_pointerY s $r c C s$ t | �\}}|D ]} qqt||�S )z� Transforms a list to a list of tuples of adjacent items s -> (s0,s1), (s1,s2), (s2, s3), ... >>> list(pairwise([])) [] >>> list(pairwise([1])) [] >>> list(pairwise([1, 2, 3, 4])) [(1, 2), (2, 3), (3, 4)] )r r )�iterable�a�b�_r r r �pairwise� s r c @ s e Zd ZdS )�JsonPointerExceptionN)�__name__� __module__� __qualname__r r r r r � s r c @ s e Zd ZdZdd� Zdd� ZdS )� EndOfListz)Result of accessing element "-" of a listc C s || _ d S �N)�list_)�selfr r r r �__init__� s zEndOfList.__init__c C s dj | jjt| j�d�S )Nz {cls}({lst}))�clsZlst)�format� __class__r �reprr �r r r r �__repr__� s �zEndOfList.__repr__N)r r r �__doc__r r& r r r r r � s r c @ s� e Zd ZdZe�d�Ze�d�Zdd� Zdd� Z e fdd �Z e Z d d d �Z d d� Zdd� Zdd� Zdd� Zedd� �Zdd� Zdd� Zedd � �Zd S ) r z;A JSON Pointer that can reference parts of an JSON documentz0|[1-9][0-9]*$z (~[^01]|~$)c C sZ | j �|�}|r"td�|�� ���|�d�}|�d�dkrBtd��dd� |D �}|| _d S )NzFound invalid escape {}�/r � zlocation must starts with /c S s g | ] }t |��qS r )�unescape��.0�partr r r � <listcomp>� s z(JsonPointer.__init__.<locals>.<listcomp>)�_RE_INVALID_ESCAPE�searchr r" �group�split�pop�parts)r r Zinvalid_escaper4 r r r r � s � zJsonPointer.__init__c C sD | j s|dfS | j dd� D ]}| �||�}q || �|| j d �fS )z>Resolves ptr until the last step, returns (sub-doc, last-step)N���)r4 �walk�get_part�r r r- r r r �to_last� s zJsonPointer.to_lastc C sN | j D ]B}z| �||�}W q tk rF |tkr6� n | Y S Y qX q|S )zBResolves the pointer against doc and returns the referenced object)r4 r6 r �_nothing)r r r r- r r r r � s zJsonPointer.resolveTc C sF t | j�dkr |rtd��|S |s,t�|�}| �|�\}}|||< |S )zFResolve the pointer against the doc and replace the target with value.r zcannot set root in place)�lenr4 r �copy�deepcopyr9 )r r r r �parentr- r r r r � s zJsonPointer.setc C sj t |t�r|S t |t�rH|dkr$|S | j�t|��s@td| ��t|�S t|d�rV|S tdt |� ��dS )z)Returns the next step in the correct type�-z"'%s' is not a valid sequence index� __getitem__zXDocument '%s' does not support indexing, must be mapping/sequence or support __getitem__N) � isinstancer r �_RE_ARRAY_INDEX�match�strr �int�hasattr�typer8 r r r r7 � s �zJsonPointer.get_partc C s� | � ||�}t|d�s(tdt|�f ��t|t�rp|dkrBt|�S z || W S tk rn td|f ��Y nX z || W S t k r� td||f ��Y nX dS )z7 Walks one step in doc and returns the referenced part r@ zinvalid document type %sr? zindex '%s' is out of boundszmember '%s' not found in %sN) r7 rF �AssertionErrorrG rA r r � IndexErrorr �KeyErrorr8 r r r r6 s zJsonPointer.walkc C s | j dt|j �� |j kS )�- Returns True if self contains the given ptr N)r4 r; )r �ptrr r r �contains s zJsonPointer.containsc C s | � |�S )rK )rM )r �itemr r r � __contains__ s zJsonPointer.__contains__c C s$ dd� | j D �}d�dd� |D ��S )zwReturns the string representation of the pointer >>> ptr = JsonPointer('/~0/0/~1').path == '/~0/0/~1' c S s g | ] }t |��qS r )�escaper+ r r r r. ( s z$JsonPointer.path.<locals>.<listcomp>r) c s s | ]}d | V qdS �r( Nr r+ r r r � <genexpr>) s z#JsonPointer.path.<locals>.<genexpr>)r4 �join)r r4 r r r �path" s zJsonPointer.pathc C s t |t�sdS | j|jkS )a Compares a pointer to another object Pointers can be compared by comparing their strings (or splitted strings), because no two different parts can point to the same structure in an object (eg no different number representations) F)rA r r4 )r �otherr r r �__eq__+ s zJsonPointer.__eq__c C s t t| j��S r )�hash�tupler4 r% r r r �__hash__8 s zJsonPointer.__hash__c C s* dd� |D �}| d� dd� |D ���}|S )z�Constructs a JsonPointer from a list of (unescaped) paths >>> JsonPointer.from_parts(['a', '~', '/', 0]).path == '/a/~0/~1/0' True c S s g | ]}t t|���qS r )rP rD r+ r r r r. B s z*JsonPointer.from_parts.<locals>.<listcomp>r) c s s | ]}d | V qdS rQ r r+ r r r rR C s z)JsonPointer.from_parts.<locals>.<genexpr>)rS )r! r4 rL r r r � from_parts; s zJsonPointer.from_partsN)T)r r r r' �re�compilerB r/ r r9 r: r �getr r7 r6 rM rO �propertyrT rV rY � classmethodrZ r r r r r � s$ r c C s | � dd�� dd�S )N�~�~0r( �~1��replace��sr r r rP G s rP c C s | � dd�� dd�S )Nrb r( ra r` rc re r r r r* J s r* )T) r' Z __future__r � __author__� __version__Z __website__Z __license__� itertoolsr ZunicoderD � ImportError�zipZcollections.abcr r � collectionsr r[ r< �objectr: r r r � Exceptionr r r rP r* r r r r �<module>! s6 ( $
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