Current File : //usr/local/lib/python2.7/pickle.pyc
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rd d\ ld md Zd n Xe d] Ze e d^ Zf d_ Zg d` Z da Zh ei db k reh n d S(c s Create portable serialized representations of Python objects.
See module cPickle for a (much) faster implementation.
See module copy_reg for a mechanism for registering custom picklers.
See module pickletools source for extensive comments.
Classes:
Pickler
Unpickler
Functions:
dump(object, file)
dumps(object) -> string
load(file) -> object
loads(string) -> object
Misc variables:
__version__
format_version
compatible_formats
s $Revision: 72223 $i( t *( t dispatch_table( t _extension_registryt _inverted_registryt _extension_cacheNt PickleErrort
PicklingErrort UnpicklingErrort Picklert Unpicklert dumpt dumpst loadt loadss 2.0s 1.0s 1.1s 1.2s 1.3i c B s e Z d Z RS( s6 A common base class for the other pickling exceptions.( t __name__t
__module__t __doc__( ( ( s" /usr/local/lib/python2.7/pickle.pyR : s c B s e Z d Z RS( s] This exception is raised when an unpicklable object is passed to the
dump() method.
( R R R ( ( ( s" /usr/local/lib/python2.7/pickle.pyR > s c B s e Z d Z RS( s This exception is raised when there is a problem unpickling an object,
such as a security violation.
Note that other exceptions may also be raised during unpickling, including
(but not necessarily limited to) AttributeError, EOFError, ImportError,
and IndexError.
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Z e e e <e j d Z e e e <e j d Z e e e <e j d Z e e e <e e k rLe j d Z e e e <n d Z e e e <d Z d Z! e! e e" <d Z# d Z$ d Z% e% e e& <e' d k re% e e' <n d Z( d Z) e) e e* <d e j d Z+ e+ e e, <e+ e e- <e+ e e. <e+ e e/ <RS( c C s | d k r d } n | d k r* t } n/ d | k oA t k n sY t d t n | j | _ i | _ t | | _ | d k | _ d | _ d S( s8 This takes a file-like object for writing a pickle data stream.
The optional protocol argument tells the pickler to use the
given protocol; supported protocols are 0, 1, 2. The default
protocol is 0, to be backwards compatible. (Protocol 0 is the
only protocol that can be written to a file opened in text
mode and read back successfully. When using a protocol higher
than 0, make sure the file is opened in binary mode, both when
pickling and unpickling.)
Protocol 1 is more efficient than protocol 0; protocol 2 is
more efficient than protocol 1.
Specifying a negative protocol version selects the highest
protocol version supported. The higher the protocol used, the
more recent the version of Python needed to read the pickle
produced.
The file parameter must have a write() method that accepts a single
string argument. It can thus be an open file object, a StringIO
object, or any other custom object that meets this interface.
i s pickle protocol must be <= %di N( t Nonet HIGHEST_PROTOCOLt
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The memo is the data structure that remembers which objects the
pickler has already seen, so that shared or recursive objects are
pickled by reference and not by value. This method is useful when
re-using picklers.
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| d Sn | t | d | d | j | d S( NR s( Can't pickle %r: it's not found as %s.%ss2 Can't pickle %r: it's not the same object as %s.%si i i i s %c%c%ci s <is
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rA | g | t | <n Xd S( sM Keeps a reference to the object x in the memo.
Because we remember objects by their id, we have
to assure that possibly temporary objects are kept
alive by referencing them.
We store a reference at the id of the memo, which should
normally not be used unless someone tries to deepcopy
the memo itself...
N( RQ R R ( Ro RC ( ( s" /usr/local/lib/python2.7/pickle.pyR s
c C s t | d d } | d k r" | S| t k r6 t | Sx] t j j D]F \ } } | d k rd qF n | d k rF t | | d | k rF PqF qF Wd } | t | <| S( s Figure out the module in which a function occurs.
Search sys.modules for the module.
Cache in classmap.
Return a module name.
If the function cannot be found, return "__main__".
R t __main__N( Rj R? t classmapR R R ( R t funcnameR R R ( ( s" /usr/local/lib/python2.7/pickle.pyR % s $
c B sL e Z d Z d Z d Z i Z d Z e e d <d Z e e e <d Z e e e
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e e <d Z e e e <d
Z e e e <d Z e e e <d Z e e e <d
Z e e e <d Z e e e <d Z e e e <d Z e e e <d Z e e e <d Z! e! e e" <e# j$ d Z% e% e e& <d Z' e' e e( <d Z) e) e e* <d Z+ e+ e e, <d Z- e- e e. <d Z/ e/ e e0 <d Z1 e1 e e2 <d Z3 e3 e e4 <d Z5 e5 e e6 <d Z7 e7 e e8 <d Z9 e9 e e: <d Z; e; e e< <d Z= e= e e> <d Z? e? e e@ <d! ZA eA e eB <d" ZC d# ZD eD e eE <d$ ZF eF e eG <d% ZH eH e eI <d& ZJ eJ e eK <d' ZL eL e eM <d( ZN eN e eO <d) ZP eP e eQ <d* ZR d+ ZS d, ZT eT e eU <d- ZV eV e eW <d. ZX eX e eY <d/ ZZ eZ e e[ <d0 Z\ e\ e e] <d1 Z^ e^ e e_ <d2 Z` e` e ea <d3 Zb eb e ec <d4 Zd ed e ee <d5 Zf ef e eg <d6 Zh eh e ei <d7 Zj ej e ek <d8 Zl el e em <d9 Zn en e eo <d: Zp ep e eq <d; Zr er e es <d< Zt et e eu <RS(= c C s% | j | _ | j | _ i | _ d S( s This takes a file-like object for reading a pickle data stream.
The protocol version of the pickle is detected automatically, so no
proto argument is needed.
The file-like object must have two methods, a read() method that
takes an integer argument, and a readline() method that requires no
arguments. Both methods should return a string. Thus file-like
object can be a file object opened for reading, a StringIO object,
or any other custom object that meets this interface.
N( t readlinet readRC ( R RH ( ( s" /usr/local/lib/python2.7/pickle.pyR C s c C sy t | _ g | _ | j j | _ | j } | j } y% x | d } | | | q< WWn t k
rt } | j SXd S( s Read a pickled object representation from the open file.
Return the reconstituted object hierarchy specified in the file.
i N( t objectt markt stackR R Re R R ( R R Re t keyt stopinst( ( s" /usr/local/lib/python2.7/pickle.pyR S s c C sG | j } | j } t | d } x | | | k rB | d } q% W| S( Ni ( R R RS ( R R R R ( ( s" /usr/local/lib/python2.7/pickle.pyt markerl s c C s
t d S( N( t EOFError( R ( ( s" /usr/local/lib/python2.7/pickle.pyt load_eofu s Rx c C sE t | j d } d | k o, d k n sA t d | n d S( Ni i i s unsupported pickle protocol: %d( t ordR RA ( R RE ( ( s" /usr/local/lib/python2.7/pickle.pyt
load_protoy s c C s* | j d } | j | j | d S( Ni( R R t persistent_load( R Rn ( ( s" /usr/local/lib/python2.7/pickle.pyt load_persid s c C s) | j j } | j | j | d S( N( R t popR R ( R Rn ( ( s" /usr/local/lib/python2.7/pickle.pyt load_binpersid s c C s | j d d S( N( R R? ( R ( ( s" /usr/local/lib/python2.7/pickle.pyt load_none s c C s | j t d S( N( R t False( R ( ( s" /usr/local/lib/python2.7/pickle.pyt
load_false s c C s | j t d S( N( R t True( R ( ( s" /usr/local/lib/python2.7/pickle.pyt load_true s c C s | j } | t d k r% t } nI | t d k r> t } n0 y t | } Wn t k
rm t | } n X| j | d S( Ni ( R R R R R RD RA t longR ( R t datat val( ( s" /usr/local/lib/python2.7/pickle.pyt load_int s
c C s$ | j t d | j d d S( NR2 i ( R t mloadsR ( R ( ( s" /usr/local/lib/python2.7/pickle.pyt load_binint s c C s | j t | j d d S( Ni ( R R R ( R ( ( s" /usr/local/lib/python2.7/pickle.pyt load_binint1 s c C s( | j t d | j d d d S( NR2 i s ( R R
R ( R ( ( s" /usr/local/lib/python2.7/pickle.pyt load_binint2 s c C s$ | j t | j d d d S( Nii ( R R R ( R ( ( s" /usr/local/lib/python2.7/pickle.pyt load_long s c C s; t | j d } | j | } | j t | d S( Ni ( R R R t decode_long( R R R ( ( s" /usr/local/lib/python2.7/pickle.pyt
load_long1 s c C s? t d | j d } | j | } | j t | d S( NR2 i ( R
R R R ( R R R ( ( s" /usr/local/lib/python2.7/pickle.pyt
load_long4 s c C s! | j t | j d d S( Ni( R t floatR ( R ( ( s" /usr/local/lib/python2.7/pickle.pyt
load_float s c C s' | j | d | j d d d S( Ns >di i ( R R ( R t unpack( ( s" /usr/local/lib/python2.7/pickle.pyt
load_binfloat s c C s | j d } xr d D]a } | j | r t | d k sN | j | rZ t d n | t | t | !} Pq q Wt d | j | j d d S( Nis "'i s insecure string pickles
string-escape( R t
startswithRS t endswithRA R t decode( R t repR8 ( ( s" /usr/local/lib/python2.7/pickle.pyt load_string s
" c C s3 t d | j d } | j | j | d S( NR2 i ( R
R R ( R RS ( ( s" /usr/local/lib/python2.7/pickle.pyt load_binstring s c C s$ | j t | j d d d S( Nis raw-unicode-escape( R R R ( R ( ( s" /usr/local/lib/python2.7/pickle.pyt load_unicode s c C s< t d | j d } | j t | j | d d S( NR2 i s utf-8( R
R R R ( R RS ( ( s" /usr/local/lib/python2.7/pickle.pyt load_binunicode s c C s/ t | j d } | j | j | d S( Ni ( R R R ( R RS ( ( s" /usr/local/lib/python2.7/pickle.pyt load_short_binstring s c C s1 | j } t | j | d g | j | )d S( Ni ( R t tupleR ( R R ( ( s" /usr/local/lib/python2.7/pickle.pyt
load_tuple s c C s | j j d d S( N( ( R R ( R ( ( s" /usr/local/lib/python2.7/pickle.pyt load_empty_tuple s c C s | j d f | j d <d S( Ni( R ( R ( ( s" /usr/local/lib/python2.7/pickle.pyt load_tuple1 s c C s( | j d | j d f g | j d )d S( Nii( R ( R ( ( s" /usr/local/lib/python2.7/pickle.pyt load_tuple2 s c C s2 | j d | j d | j d f g | j d )d S( Niii( R ( R ( ( s" /usr/local/lib/python2.7/pickle.pyt load_tuple3 s c C s | j j g d S( N( R R ( R ( ( s" /usr/local/lib/python2.7/pickle.pyt load_empty_list s c C s | j j i d S( N( R R ( R ( ( s" /usr/local/lib/python2.7/pickle.pyt load_empty_dictionary s c C s+ | j } | j | d g | j | )d S( Ni ( R R ( R R ( ( s" /usr/local/lib/python2.7/pickle.pyt load_list s c C s| | j } i } | j | d } xB t d t | d D]( } | | } | | d } | | | <q< W| g | j | )d S( Ni i i ( R R t rangeRS ( R R R- R R2 R R ( ( s" /usr/local/lib/python2.7/pickle.pyt load_dict s
c C s t | j | d } | j | 3d } | r t | t k r t | d r y t } | | _ d } Wq t k
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| d } t | d @d k st | | f t j | } | d d d S( s Encode a long to a two's complement little-endian binary string.
Note that 0L is a special case, returning an empty string, to save a
byte in the LONG1 pickling context.
>>> encode_long(0L)
''
>>> encode_long(255L)
'\xff\x00'
>>> encode_long(32767L)
'\xff\x7f'
>>> encode_long(-256L)
'\x00\xff'
>>> encode_long(-32768L)
'\x00\x80'
>>> encode_long(-128L)
'\x80'
>>> encode_long(127L)
'\x7f'
>>>
i Rx t 0xi R i t 0x0i i t 0x00i l R t 0xffiN( t hexR RR R RS RD t _binasciit unhexlify( Ro t ashext
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(c C sp t | } | d k r d St j | d d d } t | d } | d d k rl | d | d >8} n | S( s\ Decode a long from a two's complement little-endian binary string.
>>> decode_long('')
0L
>>> decode_long("\xff\x00")
255L
>>> decode_long("\xff\x7f")
32767L
>>> decode_long("\x00\xff")
-256L
>>> decode_long("\x00\x80")
-32768L
>>> decode_long("\x80")
-128L
>>> decode_long("\x7f")
127L
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