Enso-Bot/venv/Lib/site-packages/dill/_objects.py

#!/usr/bin/env python
#
# Author: Mike McKerns (mmckerns @caltech and @uqfoundation)
# Copyright (c) 2008-2016 California Institute of Technology.
# Copyright (c) 2016-2019 The Uncertainty Quantification Foundation.
# License: 3-clause BSD.  The full license text is available at:
#  - https://github.com/uqfoundation/dill/blob/master/LICENSE
"""
all Python Standard Library objects (currently: CH 1-15 @ 2.7)
and some other common objects (i.e. numpy.ndarray)
"""

__all__ = ['registered','failures','succeeds']

# helper imports
import warnings; warnings.filterwarnings("ignore", category=DeprecationWarning)
import sys
PY3 = (hex(sys.hexversion) >= '0x30000f0')
if PY3:
    import queue as Queue
    import dbm as anydbm
else:
    import Queue
    import anydbm
    import sets # deprecated/removed
    import mutex # removed
try:
    from cStringIO import StringIO # has StringI and StringO types
except ImportError: # only has StringIO type
    if PY3:
        from io import BytesIO as StringIO
    else:
        from StringIO import StringIO
import re
import array
import collections
import codecs
import struct
import datetime
import calendar
import weakref
import pprint
import decimal
import functools
import itertools
import operator
import tempfile
import shelve
import zlib
import gzip
import zipfile
import tarfile
import xdrlib
import csv
import hashlib
import hmac
import os
import logging
import optparse
#import __hello__
import threading
import socket
import contextlib
try:
    import bz2
    import sqlite3
    if PY3: import dbm.ndbm as dbm
    else: import dbm
    HAS_ALL = True
except ImportError: # Ubuntu
    HAS_ALL = False
try:
    #import curses
    #from curses import textpad, panel
    HAS_CURSES = True
except ImportError: # Windows
    HAS_CURSES = False
try:
    import ctypes
    HAS_CTYPES = True
    # if using `pypy`, pythonapi is not found
    IS_PYPY = not hasattr(ctypes, 'pythonapi')
except ImportError: # MacPorts
    HAS_CTYPES = False
    IS_PYPY = False

# helper objects
class _class:
    def _method(self):
        pass
#   @classmethod
#   def _clsmethod(cls): #XXX: test me
#       pass
#   @staticmethod
#   def _static(self): #XXX: test me
#       pass
class _class2:
    def __call__(self):
        pass
_instance2 = _class2()
class _newclass(object):
    def _method(self):
        pass
#   @classmethod
#   def _clsmethod(cls): #XXX: test me
#       pass
#   @staticmethod
#   def _static(self): #XXX: test me
#       pass
class _newclass2(object):
    __slots__ = ['descriptor']
def _function(x): yield x
def _function2():
    try: raise
    except:
        from sys import exc_info
        e, er, tb = exc_info()
        return er, tb
if HAS_CTYPES:
    class _Struct(ctypes.Structure):
        pass
    _Struct._fields_ = [("_field", ctypes.c_int),("next", ctypes.POINTER(_Struct))]
_filedescrip, _tempfile = tempfile.mkstemp('r') # deleted in cleanup
_tmpf = tempfile.TemporaryFile('w')

# put the objects in order, if possible
try:
    from collections import OrderedDict as odict
except ImportError:
    try:
        from ordereddict import OrderedDict as odict
    except ImportError:
        odict = dict
# objects used by dill for type declaration
registered = d = odict()
# objects dill fails to pickle
failures = x = odict()
# all other type objects
succeeds = a = odict()

# types module (part of CH 8)
a['BooleanType'] = bool(1)
a['BuiltinFunctionType'] = len
a['BuiltinMethodType'] = a['BuiltinFunctionType']
a['BytesType'] = _bytes = codecs.latin_1_encode('\x00')[0] # bytes(1)
a['ClassType'] = _class
a['ComplexType'] = complex(1)
a['DictType'] = _dict = {}
a['DictionaryType'] = a['DictType']
a['FloatType'] = float(1)
a['FunctionType'] = _function
a['InstanceType'] = _instance = _class()
a['IntType'] = _int = int(1)
a['ListType'] = _list = []
a['NoneType'] = None
a['ObjectType'] = object()
a['StringType'] = _str = str(1)
a['TupleType'] = _tuple = ()
a['TypeType'] = type
if PY3:
    a['LongType'] = _int
    a['UnicodeType'] = _str
else:
    a['LongType'] = long(1)
    a['UnicodeType'] = unicode(1)
# built-in constants (CH 4)
a['CopyrightType'] = copyright
# built-in types (CH 5)
a['ClassObjectType'] = _newclass # <type 'type'>
a['ClassInstanceType'] = _newclass() # <type 'class'>
a['SetType'] = _set = set()
a['FrozenSetType'] = frozenset()
# built-in exceptions (CH 6)
a['ExceptionType'] = _exception = _function2()[0]
# string services (CH 7)
a['SREPatternType'] = _srepattern = re.compile('')
# data types (CH 8)
a['ArrayType'] = array.array("f")
a['DequeType'] = collections.deque([0])
a['DefaultDictType'] = collections.defaultdict(_function, _dict)
a['TZInfoType'] = datetime.tzinfo()
a['DateTimeType'] = datetime.datetime.today()
a['CalendarType'] = calendar.Calendar()
if not PY3:
    a['SetsType'] = sets.Set()
    a['ImmutableSetType'] = sets.ImmutableSet()
    a['MutexType'] = mutex.mutex()
# numeric and mathematical types (CH 9)
a['DecimalType'] = decimal.Decimal(1)
a['CountType'] = itertools.count(0)
# data compression and archiving (CH 12)
a['TarInfoType'] = tarfile.TarInfo()
# generic operating system services (CH 15)
a['LoggerType'] = logging.getLogger()
a['FormatterType'] = logging.Formatter() # pickle ok
a['FilterType'] = logging.Filter() # pickle ok
a['LogRecordType'] = logging.makeLogRecord(_dict) # pickle ok
a['OptionParserType'] = _oparser = optparse.OptionParser() # pickle ok
a['OptionGroupType'] = optparse.OptionGroup(_oparser,"foo") # pickle ok
a['OptionType'] = optparse.Option('--foo') # pickle ok
if HAS_CTYPES:
    a['CCharType'] = _cchar = ctypes.c_char()
    a['CWCharType'] = ctypes.c_wchar() # fail == 2.6
    a['CByteType'] = ctypes.c_byte()
    a['CUByteType'] = ctypes.c_ubyte()
    a['CShortType'] = ctypes.c_short()
    a['CUShortType'] = ctypes.c_ushort()
    a['CIntType'] = ctypes.c_int()
    a['CUIntType'] = ctypes.c_uint()
    a['CLongType'] = ctypes.c_long()
    a['CULongType'] = ctypes.c_ulong()
    a['CLongLongType'] = ctypes.c_longlong()
    a['CULongLongType'] = ctypes.c_ulonglong()
    a['CFloatType'] = ctypes.c_float()
    a['CDoubleType'] = ctypes.c_double()
    a['CSizeTType'] = ctypes.c_size_t()
    a['CLibraryLoaderType'] = ctypes.cdll
    a['StructureType'] = _Struct
    if not IS_PYPY:
        a['BigEndianStructureType'] = ctypes.BigEndianStructure()
#NOTE: also LittleEndianStructureType and UnionType... abstract classes
#NOTE: remember for ctypesobj.contents creates a new python object
#NOTE: ctypes.c_int._objects is memberdescriptor for object's __dict__
#NOTE: base class of all ctypes data types is non-public _CData

try: # python 2.6
    import fractions
    import number
    import io
    from io import StringIO as TextIO
    # built-in functions (CH 2)
    a['ByteArrayType'] = bytearray([1])
    # numeric and mathematical types (CH 9)
    a['FractionType'] = fractions.Fraction()
    a['NumberType'] = numbers.Number()
    # generic operating system services (CH 15)
    a['IOBaseType'] = io.IOBase()
    a['RawIOBaseType'] = io.RawIOBase()
    a['TextIOBaseType'] = io.TextIOBase()
    a['BufferedIOBaseType'] = io.BufferedIOBase()
    a['UnicodeIOType'] = TextIO() # the new StringIO
    a['LoggingAdapterType'] = logging.LoggingAdapter(_logger,_dict) # pickle ok
    if HAS_CTYPES:
        a['CBoolType'] = ctypes.c_bool(1)
        a['CLongDoubleType'] = ctypes.c_longdouble()
except ImportError:
    pass
try: # python 2.7
    import argparse
    # data types (CH 8)
    a['OrderedDictType'] = collections.OrderedDict(_dict)
    a['CounterType'] = collections.Counter(_dict)
    if HAS_CTYPES:
        a['CSSizeTType'] = ctypes.c_ssize_t()
    # generic operating system services (CH 15)
    a['NullHandlerType'] = logging.NullHandler() # pickle ok  # new 2.7
    a['ArgParseFileType'] = argparse.FileType() # pickle ok
except (AttributeError, ImportError):
    pass

# -- pickle fails on all below here -----------------------------------------
# types module (part of CH 8)
a['CodeType'] = compile('','','exec')
a['DictProxyType'] = type.__dict__
a['DictProxyType2'] = _newclass.__dict__
a['EllipsisType'] = Ellipsis
a['ClosedFileType'] = open(os.devnull, 'wb', buffering=0).close()
a['GetSetDescriptorType'] = array.array.typecode
a['LambdaType'] = _lambda = lambda x: lambda y: x #XXX: works when not imported!
a['MemberDescriptorType'] = _newclass2.descriptor
if not IS_PYPY:
    a['MemberDescriptorType2'] = datetime.timedelta.days
a['MethodType'] = _method = _class()._method #XXX: works when not imported!
a['ModuleType'] = datetime
a['NotImplementedType'] = NotImplemented
a['SliceType'] = slice(1)
a['UnboundMethodType'] = _class._method #XXX: works when not imported!
a['TextWrapperType'] = open(os.devnull, 'r') # same as mode='w','w+','r+'
a['BufferedRandomType'] = open(os.devnull, 'r+b') # same as mode='w+b'
a['BufferedReaderType'] = open(os.devnull, 'rb') # (default: buffering=-1)
a['BufferedWriterType'] = open(os.devnull, 'wb')
try: # oddities: deprecated
    from _pyio import open as _open
    a['PyTextWrapperType'] = _open(os.devnull, 'r', buffering=-1)
    a['PyBufferedRandomType'] = _open(os.devnull, 'r+b', buffering=-1)
    a['PyBufferedReaderType'] = _open(os.devnull, 'rb', buffering=-1)
    a['PyBufferedWriterType'] = _open(os.devnull, 'wb', buffering=-1)
except ImportError:
    pass
# other (concrete) object types
if PY3:
    d['CellType'] = (_lambda)(0).__closure__[0]
    a['XRangeType'] = _xrange = range(1)
else:
    d['CellType'] = (_lambda)(0).func_closure[0]
    a['XRangeType'] = _xrange = xrange(1)
if not IS_PYPY:
    d['MethodDescriptorType'] = type.__dict__['mro']
    d['WrapperDescriptorType'] = type.__repr__
    a['WrapperDescriptorType2'] = type.__dict__['__module__']
    d['ClassMethodDescriptorType'] = type.__dict__['__prepare__' if PY3 else 'mro']
# built-in functions (CH 2)
if PY3 or IS_PYPY: 
    _methodwrap = (1).__lt__
else: 
    _methodwrap = (1).__cmp__
d['MethodWrapperType'] = _methodwrap
a['StaticMethodType'] = staticmethod(_method)
a['ClassMethodType'] = classmethod(_method)
a['PropertyType'] = property()
d['SuperType'] = super(Exception, _exception)
# string services (CH 7)
if PY3: 
    _in = _bytes
else: 
    _in = _str
a['InputType'] = _cstrI = StringIO(_in)
a['OutputType'] = _cstrO = StringIO()
# data types (CH 8)
a['WeakKeyDictionaryType'] = weakref.WeakKeyDictionary()
a['WeakValueDictionaryType'] = weakref.WeakValueDictionary()
a['ReferenceType'] = weakref.ref(_instance)
a['DeadReferenceType'] = weakref.ref(_class())
a['ProxyType'] = weakref.proxy(_instance)
a['DeadProxyType'] = weakref.proxy(_class())
a['CallableProxyType'] = weakref.proxy(_instance2)
a['DeadCallableProxyType'] = weakref.proxy(_class2())
a['QueueType'] = Queue.Queue()
# numeric and mathematical types (CH 9)
d['PartialType'] = functools.partial(int,base=2)
if PY3:
    a['IzipType'] = zip('0','1')
else:
    a['IzipType'] = itertools.izip('0','1')
a['ChainType'] = itertools.chain('0','1')
d['ItemGetterType'] = operator.itemgetter(0)
d['AttrGetterType'] = operator.attrgetter('__repr__')
# file and directory access (CH 10)
if PY3: _fileW = _cstrO
else: _fileW = _tmpf
# data persistence (CH 11)
if HAS_ALL:
    a['ConnectionType'] = _conn = sqlite3.connect(':memory:')
    a['CursorType'] = _conn.cursor()
a['ShelveType'] = shelve.Shelf({})
# data compression and archiving (CH 12)
if HAS_ALL:
    if (hex(sys.hexversion) < '0x2070ef0') or PY3:
        a['BZ2FileType'] = bz2.BZ2File(os.devnull) #FIXME: fail >= 3.3, 2.7.14
    a['BZ2CompressorType'] = bz2.BZ2Compressor()
    a['BZ2DecompressorType'] = bz2.BZ2Decompressor()
#a['ZipFileType'] = _zip = zipfile.ZipFile(os.devnull,'w') #FIXME: fail >= 3.2
#_zip.write(_tempfile,'x') [causes annoying warning/error printed on import]
#a['ZipInfoType'] = _zip.getinfo('x')
a['TarFileType'] = tarfile.open(fileobj=_fileW,mode='w')
# file formats (CH 13)
a['DialectType'] = csv.get_dialect('excel')
a['PackerType'] = xdrlib.Packer()
# optional operating system services (CH 16)
a['LockType'] = threading.Lock()
a['RLockType'] = threading.RLock()
# generic operating system services (CH 15) # also closed/open and r/w/etc...
a['NamedLoggerType'] = _logger = logging.getLogger(__name__) #FIXME: fail >= 3.2 and <= 2.6
#a['FrozenModuleType'] = __hello__ #FIXME: prints "Hello world..."
# interprocess communication (CH 17)
if PY3:
    a['SocketType'] = _socket = socket.socket() #FIXME: fail >= 3.3
    a['SocketPairType'] = socket.socketpair()[0] #FIXME: fail >= 3.3
else:
    a['SocketType'] = _socket = socket.socket()
    a['SocketPairType'] = _socket._sock
# python runtime services (CH 27)
if PY3:
    a['GeneratorContextManagerType'] = contextlib.contextmanager(max)([1])
else:
    a['GeneratorContextManagerType'] = contextlib.GeneratorContextManager(max)

try: # ipython
    __IPYTHON__ is True # is ipython
except NameError:
    # built-in constants (CH 4)
    a['QuitterType'] = quit
    d['ExitType'] = a['QuitterType']
try: # numpy #FIXME: slow... 0.05 to 0.1 sec to import numpy
    from numpy import ufunc as _numpy_ufunc
    from numpy import array as _numpy_array
    from numpy import int32 as _numpy_int32
    a['NumpyUfuncType'] = _numpy_ufunc
    a['NumpyArrayType'] = _numpy_array
    a['NumpyInt32Type'] = _numpy_int32
except ImportError:
    pass
try: # python 2.6
    # numeric and mathematical types (CH 9)
    a['ProductType'] = itertools.product('0','1')
    # generic operating system services (CH 15)
    a['FileHandlerType'] = logging.FileHandler(os.devnull) #FIXME: fail >= 3.2 and <= 2.6
    a['RotatingFileHandlerType'] = logging.handlers.RotatingFileHandler(os.devnull)
    a['SocketHandlerType'] = logging.handlers.SocketHandler('localhost',514)
    a['MemoryHandlerType'] = logging.handlers.MemoryHandler(1)
except AttributeError:
    pass
try: # python 2.7
    # data types (CH 8)
    a['WeakSetType'] = weakref.WeakSet() # 2.7
#   # generic operating system services (CH 15) [errors when dill is imported]
#   a['ArgumentParserType'] = _parser = argparse.ArgumentParser('PROG')
#   a['NamespaceType'] = _parser.parse_args() # pickle ok
#   a['SubParsersActionType'] = _parser.add_subparsers()
#   a['MutuallyExclusiveGroupType'] = _parser.add_mutually_exclusive_group()
#   a['ArgumentGroupType'] = _parser.add_argument_group()
except AttributeError:
    pass

# -- dill fails in some versions below here ---------------------------------
# types module (part of CH 8)
a['FileType'] = open(os.devnull, 'rb', buffering=0) # same 'wb','wb+','rb+'
# FIXME: FileType fails >= 3.1
# built-in functions (CH 2)
a['ListIteratorType'] = iter(_list) # empty vs non-empty FIXME: fail < 3.2
a['TupleIteratorType']= iter(_tuple) # empty vs non-empty FIXME: fail < 3.2
a['XRangeIteratorType'] = iter(_xrange) # empty vs non-empty FIXME: fail < 3.2
# data types (CH 8)
a['PrettyPrinterType'] = pprint.PrettyPrinter() #FIXME: fail >= 3.2 and == 2.5
# numeric and mathematical types (CH 9)
a['CycleType'] = itertools.cycle('0') #FIXME: fail < 3.2
# file and directory access (CH 10)
a['TemporaryFileType'] = _tmpf #FIXME: fail >= 3.2 and == 2.5
# data compression and archiving (CH 12)
a['GzipFileType'] = gzip.GzipFile(fileobj=_fileW) #FIXME: fail > 3.2 and <= 2.6
# generic operating system services (CH 15)
a['StreamHandlerType'] = logging.StreamHandler() #FIXME: fail >= 3.2 and == 2.5
try: # python 2.6
    # numeric and mathematical types (CH 9)
    a['PermutationsType'] = itertools.permutations('0') #FIXME: fail < 3.2
    a['CombinationsType'] = itertools.combinations('0',1) #FIXME: fail < 3.2
except AttributeError:
    pass
try: # python 2.7
    # numeric and mathematical types (CH 9)
    a['RepeatType'] = itertools.repeat(0) #FIXME: fail < 3.2
    a['CompressType'] = itertools.compress('0',[1]) #FIXME: fail < 3.2
    #XXX: ...and etc
except AttributeError:
    pass

# -- dill fails on all below here -------------------------------------------
# types module (part of CH 8)
x['GeneratorType'] = _generator = _function(1) #XXX: priority
x['FrameType'] = _generator.gi_frame #XXX: inspect.currentframe()
x['TracebackType'] = _function2()[1] #(see: inspect.getouterframes,getframeinfo)
# other (concrete) object types
# (also: Capsule / CObject ?)
# built-in functions (CH 2)
x['SetIteratorType'] = iter(_set) #XXX: empty vs non-empty
# built-in types (CH 5)
if PY3:
    x['DictionaryItemIteratorType'] = iter(type.__dict__.items())
    x['DictionaryKeyIteratorType'] = iter(type.__dict__.keys())
    x['DictionaryValueIteratorType'] = iter(type.__dict__.values())
else:
    x['DictionaryItemIteratorType'] = type.__dict__.iteritems()
    x['DictionaryKeyIteratorType'] = type.__dict__.iterkeys()
    x['DictionaryValueIteratorType'] = type.__dict__.itervalues()
# string services (CH 7)
x['StructType'] = struct.Struct('c')
x['CallableIteratorType'] = _srepattern.finditer('')
x['SREMatchType'] = _srepattern.match('')
x['SREScannerType'] = _srepattern.scanner('')
x['StreamReader'] = codecs.StreamReader(_cstrI) #XXX: ... and etc
# python object persistence (CH 11)
# x['DbShelveType'] = shelve.open('foo','n')#,protocol=2) #XXX: delete foo
if HAS_ALL:
    x['DbmType'] = dbm.open(_tempfile,'n')
# x['DbCursorType'] = _dbcursor = anydbm.open('foo','n') #XXX: delete foo
# x['DbType'] = _dbcursor.db
# data compression and archiving (CH 12)
x['ZlibCompressType'] = zlib.compressobj()
x['ZlibDecompressType'] = zlib.decompressobj()
# file formats (CH 13)
x['CSVReaderType'] = csv.reader(_cstrI)
x['CSVWriterType'] = csv.writer(_cstrO)
x['CSVDictReaderType'] = csv.DictReader(_cstrI)
x['CSVDictWriterType'] = csv.DictWriter(_cstrO,{})
# cryptographic services (CH 14)
x['HashType'] = hashlib.md5()
if (hex(sys.hexversion) < '0x30800a1'):
    x['HMACType'] = hmac.new(_in)
else:
    x['HMACType'] = hmac.new(_in, digestmod='md5')
# generic operating system services (CH 15)
if HAS_CURSES: pass
    #x['CursesWindowType'] = _curwin = curses.initscr() #FIXME: messes up tty
    #x['CursesTextPadType'] = textpad.Textbox(_curwin)
    #x['CursesPanelType'] = panel.new_panel(_curwin)
if HAS_CTYPES:
    x['CCharPType'] = ctypes.c_char_p()
    x['CWCharPType'] = ctypes.c_wchar_p()
    x['CVoidPType'] = ctypes.c_void_p()
    if sys.platform[:3] == 'win':
        x['CDLLType'] = _cdll = ctypes.cdll.msvcrt
    else:
        x['CDLLType'] = _cdll = ctypes.CDLL(None)
    if not IS_PYPY:
        x['PyDLLType'] = _pydll = ctypes.pythonapi
    x['FuncPtrType'] = _cdll._FuncPtr()
    x['CCharArrayType'] = ctypes.create_string_buffer(1)
    x['CWCharArrayType'] = ctypes.create_unicode_buffer(1)
    x['CParamType'] = ctypes.byref(_cchar)
    x['LPCCharType'] = ctypes.pointer(_cchar)
    x['LPCCharObjType'] = _lpchar = ctypes.POINTER(ctypes.c_char)
    x['NullPtrType'] = _lpchar()
    x['NullPyObjectType'] = ctypes.py_object()
    x['PyObjectType'] = ctypes.py_object(lambda :None)
    x['FieldType'] = _field = _Struct._field
    x['CFUNCTYPEType'] = _cfunc = ctypes.CFUNCTYPE(ctypes.c_char)
    x['CFunctionType'] = _cfunc(str)
try: # python 2.6
    # numeric and mathematical types (CH 9)
    x['MethodCallerType'] = operator.methodcaller('mro') # 2.6
except AttributeError:
    pass
try: # python 2.7
    # built-in types (CH 5)
    x['MemoryType'] = memoryview(_in) # 2.7
    x['MemoryType2'] = memoryview(bytearray(_in)) # 2.7
    if PY3:
        x['DictItemsType'] = _dict.items() # 2.7
        x['DictKeysType'] = _dict.keys() # 2.7
        x['DictValuesType'] = _dict.values() # 2.7
    else:
        x['DictItemsType'] = _dict.viewitems() # 2.7
        x['DictKeysType'] = _dict.viewkeys() # 2.7
        x['DictValuesType'] = _dict.viewvalues() # 2.7
    # generic operating system services (CH 15)
    x['RawTextHelpFormatterType'] = argparse.RawTextHelpFormatter('PROG')
    x['RawDescriptionHelpFormatterType'] = argparse.RawDescriptionHelpFormatter('PROG')
    x['ArgDefaultsHelpFormatterType'] = argparse.ArgumentDefaultsHelpFormatter('PROG')
except NameError:
    pass
try: # python 2.7 (and not 3.1)
    x['CmpKeyType'] = _cmpkey = functools.cmp_to_key(_methodwrap) # 2.7, >=3.2
    x['CmpKeyObjType'] = _cmpkey('0') #2.7, >=3.2
except AttributeError:
    pass
if PY3: # oddities: removed, etc
    x['BufferType'] = x['MemoryType']
else:
    x['BufferType'] = buffer('')

# -- cleanup ----------------------------------------------------------------
a.update(d) # registered also succeed
if sys.platform[:3] == 'win':
    os.close(_filedescrip) # required on win32
os.remove(_tempfile)


# EOF