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e i f d „ ƒ YZ d e f d „ ƒ YZ d e i f d „ ƒ YZ d S( sƒ Weak reference support for Python.
This module is an implementation of PEP 205:
http://python.sourceforge.net/peps/pep-0205.html
N( s getweakrefcounts getweakrefss refs proxys CallableProxyTypes ProxyTypes
ReferenceType( s ReferenceErrort reft proxyt getweakrefcountt getweakrefst WeakKeyDictionaryt
ReferenceTypet ProxyTypet CallableProxyTypet
ProxyTypest WeakValueDictionaryc B s¹ t Z d Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z e
d „ Z d „ Z d
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d „ Z e
d „ Z d „ Z RS( s› Mapping class that references values weakly.
Entries in the dictionary will be discarded when no strong
reference to the value exists anymore
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c C s d t | ƒ S( Ns <WeakValueDictionary at %s>( t idR ( R ( ( R t __repr__J s c C s t | | i | ƒ | i | <d S( N( t KeyedReft valueR R R R
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o | Sn$ X| ƒ } | d j o | Sn | Sd S( N( R R
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| | i | ƒ | | <qI Wn t | ƒ o | i | ƒ n d S( NR# ( R R
t dt dictR t hasattrt typeR# R R R R t lent kwargst update( R R2 R6 R1 R R ( ( R R7 › s
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t valuesR R R R( ( R R' R R ( ( R R8 ¥ s
( t __name__t
__module__t __doc__R R R R R R! R$ R R& R# R* R+ R, R) R. R/ R0 R7 R8 ( ( ( R R ! s&
R c B s& t Z d Z d Z d „ Z d „ Z RS( s[ Specialized reference that includes a key corresponding to the value.
This is used in the WeakValueDictionary to avoid having to create
a function object for each key stored in the mapping. A shared
callback object can use the 'key' attribute of a KeyedRef instead
of getting a reference to the key from an enclosing scope.
R c C s" t i | | | ƒ } | | _ | S( N( R t __new__R4 t obt callbackR R ( R4 R= R> R R ( ( R R< º s c C s t t | ƒ i | | ƒ d S( N( t superR R R R= R> ( R R= R> R ( ( R R ¿ s ( s key( R9 R: R; t __slots__R< R ( ( ( R R ® s c B sÅ t Z d Z e d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z e d „ Z
d „ Z d „ Z d
„ Z
d „ Z d „ Z d
„ Z d „ Z d „ Z d „ Z d „ Z e d „ Z e d „ Z RS( s‰ Mapping class that references keys weakly.
Entries in the dictionary will be discarded when there is no
longer a strong reference to the key. This can be used to
associate additional data with an object owned by other parts of
an application without adding attributes to those objects. This
can be especially useful with objects that override attribute
accesses.
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R R ( R R ( ( R R Ú s c C s d t | ƒ S( Ns <WeakKeyDictionary at %s>( R R ( R ( ( R R Ý s c C s | | i t | | i ƒ <d S( N( R R R
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R# R R R R ( R R R R R" ( ( R R$ ã s
c C s | i i t | ƒ | ƒ S( N( R R
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o d Sn X| | i j S( Ni ( R R R t TypeErrorR R
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R/ R R R ( R R R ( ( R R/ % s c C s | i i t | | i ƒ | ƒ S( N( R R
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