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Different styles of persisted objects.
iÿÿÿÿN( t log( t reflectc C s t | j j | j | j f f S( s3 support function for copy_reg to pickle method refs( t unpickleMethodt im_funct __name__t im_selft im_class( t method( ( s< /usr/lib/python2.7/dist-packages/twisted/persisted/styles.pyt pickleMethod s c C sÓ y? t | | ƒ } | d k r" | St j | j | | ƒ } | SWn t k
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c C s t | j f f S( s3 support function for copy_reg to pickle module refs( t unpickleModuleR ( t module( ( s< /usr/lib/python2.7/dist-packages/twisted/persisted/styles.pyt pickleModuleA s c C sM t j | ƒ r: t j d | ƒ t | } t j | ƒ n t | i i d ƒ S( s5 support function for copy_reg to unpickle module refss Module has moved: %st x( t
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t InputTypet Ephemeralc B s e Z d Z d „ Z d „ Z RS( sh
This type of object is never persisted; if possible, even references to it
are eliminated.
c C sv t j d | ƒ d d l } d t j k rr t | d d ƒ rr x. | j | ƒ D] } t j d | f ƒ qN Wqr n d S( Ns! WARNING: serializing ephemeral %siÿÿÿÿt __pypy__t
get_referrerss referred to by %s( R R t gct syst builtin_module_namesR
R R. ( t selfR/ t r( ( s< /usr/lib/python2.7/dist-packages/twisted/persisted/styles.pyt __getstate__u s c C s! t j d | j ƒ t | _ d S( Ns# WARNING: unserializing ephemeral %s( R R R R, ( R2 t state( ( s< /usr/lib/python2.7/dist-packages/twisted/persisted/styles.pyt __setstate__~ s ( R t
__module__t __doc__R4 R6 ( ( ( s< /usr/lib/python2.7/dist-packages/twisted/persisted/styles.pyR, o s c C s1 x t j ƒ D] } t | ƒ q
Wi a i a d S( N( t versionedsToUpgradet valuest requireUpgradet upgraded( t versioned( ( s< /usr/lib/python2.7/dist-packages/twisted/persisted/styles.pyt doUpgrade† s c C s@ t | ƒ } | t k r< | t k r< d t | <| j ƒ | Sd S( sD Require that a Versioned instance be upgraded completely first.
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c C sY | t g } xB t j | ƒ D]1 } | | k r t | t ƒ r | j | ƒ q q W| d S( s4
Get all of the parent classes of C{c}, not including C{c} itself, which are
strict subclasses of L{Versioned}.
The name comes from "all your base are belong to us", from the deprecated
L{twisted.python.reflect.allYourBase} function.
@param c: a class
@returns: list of classes
i ( t Versionedt inspectt getmrot
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This type of object is persisted with versioning information.
I have a single class attribute, the int persistenceVersion. After I am
unserialized (and styles.doUpgrade() is called), self.upgradeToVersionX()
will be called for each version upgrade I must undergo.
For example, if I serialize an instance of a Foo(Versioned) at version 4
and then unserialize it when the code is at version 9, the calls::
self.upgradeToVersion5()
self.upgradeToVersion6()
self.upgradeToVersion7()
self.upgradeToVersion8()
self.upgradeToVersion9()
will be made. If any of these methods are undefined, a warning message
will be printed.
i c C s | t t | ƒ <| | _ d S( N( R9 R? t __dict__( R2 R5 ( ( s< /usr/lib/python2.7/dist-packages/twisted/persisted/styles.pyR6 Á s c C sÇ t j | p | j ƒ } t | j ƒ } | j ƒ | j | j ƒ x | D]w } | j j d ƒ r x- | j D] } | j | ƒ rj | | =qj qj Wn | j j d ƒ rH | j | d t j
| ƒ <qH qH W| S( sA Get state, adding a version number to it on its way out.
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s) (internal) Do a version upgrade.
RN i s %s.persistenceVersions" Sorry, can't go backwards in time.i s upgradeToVersion%ss' Upgrading %s (of %s @ %s) to version %ss( Warning: cannot upgrade %s to version %sN( RK R RP RG RL R R RN R RQ RC t __bases__t getR R R R? (
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