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S ) )unicode_literals)MappingSequenceu Stefan Kögl z1.10z2https://github.com/stefankoegl/python-json-pointerzModified BSD License)unquote)izip)teeNz0|[1-9][0-9]*$c @ s e Zd ZdS )JsonPointerExceptionN)__name__
__module__ __qualname__ r r !/usr/lib/python3.6/jsonpointer.pyr B s r c @ s e Zd ZdZdd Zdd ZdS ) EndOfListz+ Result of accessing element "-" of a list c C s
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__init__I s zEndOfList.__init__c C s dj | jjt| jdS )Nz {cls}({lst}))clsZlst)format __class__r reprr )r r r r
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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
) JsonPointerresolve)docpointerdefaultr r r
resolve_pointerU s r Tc C s t |}|j| ||S )aV
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%20another%20prop', 'added prop') == {'foo': {'another prop': {'baz': 'A string'}, 'yet another prop': 'added prop', 'anArray': [{'prop': 55}]}}
True
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edd Zdd Zdd Zedd ZdS ) r z= A JSON Pointer that can reference parts of an JSON document c C sP |j d}|jddkr tdtt|}dd |D }dd |D }|| _d S )N/r zlocation must starts with /c S s g | ]}|j d dqS )z~1r" )replace).0partr r r
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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, walkget_part)r r r& r r r
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zJsonPointer.to_lastc C sJ xD| j D ]:}y| j||}W q tk
r@ |tkr8 n|S Y qX qW |S )zBResolves the pointer against doc and returns the referenced object)r, r/ r _nothing)r r r r& r r r
r s zJsonPointer.resolveTc C sF t | jdkr |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 copydeepcopyr1 )r r r r parentr& r r r
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zJsonPointer.setc C sj t |tr|S t |trH|dkr$|S tjt|s@td|f t|S t|drV|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)
isinstancer r RE_ARRAY_INDEXmatchstrr inthasattrtype)r r r& r r r
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zJsonPointer.get_partc C s | j ||}t|ttfks8t|ds8tdt|f t|trry|| S tk
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r t d|f Y qX 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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zJsonPointer.walkc C s | j dt|j |j kS )z+Returns True if self contains the given ptrN)r, r3 )r ptrr r r
contains s zJsonPointer.containsc C s
| j |S )z+Returns True if self contains the given ptr)rF )r itemr r r
__contains__ s zJsonPointer.__contains__c C s2 dd | j D }dd |D }djdd |D S )zx Returns the string representation of the pointer
>>> ptr = JsonPointer('/~0/0/~1').path == '/~0/0/~1'
c S s g | ]}|j d dqS )r( z~0)r$ )r% r& r r r
r' s z$JsonPointer.path..c S s g | ]}|j d dqS )r" z~1)r$ )r% r& r r r
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path s zJsonPointer.pathc C s t |tsdS | j|jkS )z compares a pointer to another object
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strings), because no two different parts can point to the same
structure in an object (eg no different number representations) F)r9 r r, )r otherr r r
__eq__
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zJsonPointer.__eq__c C s t t| jS )N)hashtupler, )r r r r
__hash__ s zJsonPointer.__hash__c C sF dd |D }dd |D }dd |D }| dj 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 |qS r )r< )r% r& r r r
r' $ s z*JsonPointer.from_parts..c S s g | ]}|j d dqS )r( z~0)r$ )r% r& r r r
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r c C s& t | \}}x|D ]}P qW t||S )z 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 )iterableab_r r r
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