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S )� )�unicode_literals)�Mapping�Sequenceu Stefan Kögl <[email protected]>z1.10z2https://github.com/stefankoegl/python-json-pointerzModified BSD License)�unquote)�izip)�teeNz0|[1-9][0-9]*$c @ s e Zd ZdS )�JsonPointerExceptionN)�__name__�
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Resolves pointer against doc and returns the referenced object
>>> obj = {"foo": {"anArray": [ {"prop": 44}], "another prop": {"baz": "A string" }}}
>>> resolve_pointer(obj, '') == obj
True
>>> resolve_pointer(obj, '/foo') == obj['foo']
True
>>> resolve_pointer(obj, '/foo/another%20prop') == obj['foo']['another prop']
True
>>> resolve_pointer(obj, '/foo/another%20prop/baz') == obj['foo']['another prop']['baz']
True
>>> resolve_pointer(obj, '/foo/anArray/0') == obj['foo']['anArray'][0]
True
>>> resolve_pointer(obj, '/some/path', None) == None
True
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Resolves pointer against doc and sets the value of the target within doc.
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root.
>>> obj = {"foo": {"anArray": [ {"prop": 44}], "another prop": {"baz": "A string" }}}
>>> set_pointer(obj, '/foo/anArray/0/prop', 55) == {'foo': {'another prop': {'baz': 'A string'}, 'anArray': [{'prop': 55}]}}
True
>>> set_pointer(obj, '/foo/yet%20another%20prop', 'added prop') == {'foo': {'another prop': {'baz': 'A string'}, 'yet another prop': 'added prop', 'anArray': [{'prop': 55}]}}
True
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zJsonPointer.__init__c C sH | j s|dfS x"| j dd� D ]}| j||�}q W || j|| j d �fS )z@ Resolves ptr until the last step, returns (sub-doc, last-step) N� ���r. )r, �walk�get_part)r r r& r r r
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r � s zJsonPointer.resolveTc C sF t | j�dkr |rtd��|S |s,tj|�}| j|�\}}|||< |S )zH Resolve the pointer against the doc and replace the target with value. r zcannot set root in place)�lenr, r �copy�deepcopyr1 )r r r r �parentr& r r r
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zJsonPointer.setc C sj t |t�r|S t |t�rH|dkr$|S tjt|��s@td|f ��t|�S t|d�rV|S tdt |� ��dS )z+ Returns the next step in the correct type �-z '%s' is not a valid list index� __getitem__zQDocument '%s' does not support indexing, must be dict/list or support __getitem__N)
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r� t d|f ��Y q�X n|| S dS )z7 Walks one step in doc and returns the referenced part r8 zinvalid document type %szmember '%s' not found in %sr7 zindex '%s' is out of boundsN)
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>>> ptr = JsonPointer('/~0/0/~1').path == '/~0/0/~1'
c S s g | ]}|j d d��qS )r( z~0)r$ )r% r& r r r
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True
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[]
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[]
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[(1, 2), (2, 3), (3, 4)]
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