Package org.python.core
Class PyDictProxy
- java.lang.Object
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- org.python.core.PyObject
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- org.python.core.PyDictProxy
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- All Implemented Interfaces:
java.io.Serializable
,Traverseproc
public class PyDictProxy extends PyObject implements Traverseproc
Readonly proxy for dictionaries (actually any mapping).- See Also:
- Serialized Form
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Nested Class Summary
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Nested classes/interfaces inherited from class org.python.core.PyObject
PyObject.ConversionException
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Field Summary
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Fields inherited from class org.python.core.PyObject
gcMonitorGlobal, TYPE
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Constructor Summary
Constructors Constructor Description PyDictProxy(PyObject dict)
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Method Summary
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Methods inherited from class org.python.core.PyObject
__abs__, __add__, __and__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __coerce__, __coerce_ex__, __complex__, __contains__, __delattr__, __delattr__, __delete__, __delitem__, __delitem__, __delslice__, __delslice__, __dir__, __div__, __divmod__, __ensure_finalizer__, __eq__, __findattr__, __findattr__, __findattr_ex__, __finditem__, __finditem__, __float__, __floordiv__, __format__, __ge__, __get__, __getattr__, __getattr__, __getitem__, __getitem__, __getnewargs__, __getslice__, __getslice__, __gt__, __hash__, __hex__, __iadd__, __iand__, __idiv__, __idivmod__, __ifloordiv__, __ilshift__, __imod__, __imul__, __index__, __int__, __invert__, __ior__, __ipow__, __irshift__, __isub__, __iternext__, __itruediv__, __ixor__, __le__, __long__, __lshift__, __lt__, __mod__, __mul__, __ne__, __neg__, __nonzero__, __not__, __oct__, __or__, __pos__, __pow__, __pow__, __radd__, __rand__, __rdiv__, __rdivmod__, __reduce__, __reduce_ex__, __reduce_ex__, __repr__, __rfloordiv__, __rlshift__, __rmod__, __rmul__, __ror__, __rpow__, __rrshift__, __rshift__, __rsub__, __rtruediv__, __rxor__, __set__, __setattr__, __setattr__, __setitem__, __setitem__, __setitem__, __setslice__, __setslice__, __sub__, __tojava__, __truediv__, __trunc__, __unicode__, __xor__, _add, _and, _callextra, _cmp, _div, _divmod, _doget, _doget, _doset, _eq, _floordiv, _ge, _gt, _iadd, _iand, _idiv, _idivmod, _ifloordiv, _ilshift, _imod, _imul, _in, _ior, _ipow, _irshift, _is, _isnot, _isub, _itruediv, _ixor, _jcall, _jcallexc, _jthrow, _le, _lshift, _lt, _mod, _mul, _ne, _notin, _or, _pow, _rshift, _sub, _truediv, _xor, asDouble, asIndex, asIndex, asInt, asInt, asIterable, asLong, asLong, asName, asName, asString, asString, asStringOrNull, asStringOrNull, bit_length, conjugate, delDict, delType, dispatch__init__, equals, fastGetClass, fastGetDict, getDict, getType, hashCode, implementsDescrDelete, implementsDescrGet, implementsDescrSet, invoke, invoke, invoke, invoke, invoke, invoke, isCallable, isDataDescr, isIndex, isInteger, isNumberType, noAttributeError, object___subclasshook__, readonlyAttributeError, setDict, setType, toString
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Constructor Detail
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PyDictProxy
public PyDictProxy(PyObject dict)
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Method Detail
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__iter__
public PyObject __iter__()
Description copied from class:PyObject
Return an iterator that is used to iterate the element of this sequence. From version 2.2, this method is the primary protocol for looping over sequences.If a PyObject subclass should support iteration based in the __finditem__() method, it must supply an implementation of __iter__() like this:
public PyObject __iter__() { return new PySequenceIter(this); }
When iterating over a python sequence from java code, it should be done with code like this:for (PyObject item : seq.asIterable()) { // Do somting with item }
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__finditem__
public PyObject __finditem__(PyObject key)
Description copied from class:PyObject
Very similar to the standard Python __getitem__ method. Instead of throwing a KeyError if the item isn't found, this just returns null. Classes that wish to implement __getitem__ should override this method instead (with the appropriate semantics.- Overrides:
__finditem__
in classPyObject
- Parameters:
key
- the key to lookup in this container- Returns:
- the value corresponding to key or null if key is not found
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__len__
public int __len__()
Description copied from class:PyObject
Equivalent to the standard Python __len__ method. Part of the mapping discipline.
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dictproxy___contains__
public boolean dictproxy___contains__(PyObject value)
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dictproxy_has_key
public boolean dictproxy_has_key(PyObject key)
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dictproxy_keys
public PyObject dictproxy_keys()
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dictproxy_values
public PyObject dictproxy_values()
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dictproxy_items
public PyObject dictproxy_items()
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dictproxy_iterkeys
public PyObject dictproxy_iterkeys()
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dictproxy_itervalues
public PyObject dictproxy_itervalues()
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dictproxy_iteritems
public PyObject dictproxy_iteritems()
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dictproxy_copy
public PyObject dictproxy_copy()
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__cmp__
public int __cmp__(PyObject other)
Description copied from class:PyObject
Equivalent to the standard Python __cmp__ method.
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dictproxy___cmp__
public int dictproxy___cmp__(PyObject other)
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__str__
public PyString __str__()
Description copied from class:PyObject
Equivalent to the standard Python __str__ method. This method should not typically need to be overridden. The easiest way to configure the string representation of aPyObject
is to override the standard JavatoString
method.
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isMappingType
public boolean isMappingType()
- Overrides:
isMappingType
in classPyObject
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isSequenceType
public boolean isSequenceType()
- Overrides:
isSequenceType
in classPyObject
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traverse
public int traverse(Visitproc visit, java.lang.Object arg)
Description copied from interface:Traverseproc
Traverses all directly containedPyObject
s. Like in CPython,arg
must be passed unmodified tovisit
as its second parameter. IfVisitproc.visit(PyObject, Object)
returns nonzero, this return value must be returned immediately by traverse.Visitproc.visit(PyObject, Object)
must not be called with anull
PyObject-argument.- Specified by:
traverse
in interfaceTraverseproc
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refersDirectlyTo
public boolean refersDirectlyTo(PyObject ob)
Description copied from interface:Traverseproc
Optional operation. Should only be implemented if it is more efficient than callingTraverseproc.traverse(Visitproc, Object)
with a visitproc that just watches out forob
. Must returnfalse
ifob
isnull
.- Specified by:
refersDirectlyTo
in interfaceTraverseproc
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