# This module is used to map the old Python 2 names to the new names used in# Python 3 for the pickle module. This needed to make pickle streams# generated with Python 2 loadable by Python 3.# This is a copy of lib2to3.fixes.fix_imports.MAPPING. We cannot import# lib2to3 and use the mapping defined there, because lib2to3 uses pickle.# Thus, this could cause the module to be imported recursively.IMPORT_MAPPING = {'__builtin__' : 'builtins','copy_reg': 'copyreg','Queue': 'queue','SocketServer': 'socketserver','ConfigParser': 'configparser','repr': 'reprlib','tkFileDialog': 'tkinter.filedialog','tkSimpleDialog': 'tkinter.simpledialog','tkColorChooser': 'tkinter.colorchooser','tkCommonDialog': 'tkinter.commondialog','Dialog': 'tkinter.dialog','Tkdnd': 'tkinter.dnd','tkFont': 'tkinter.font','tkMessageBox': 'tkinter.messagebox','ScrolledText': 'tkinter.scrolledtext','Tkconstants': 'tkinter.constants','Tix': 'tkinter.tix','ttk': 'tkinter.ttk','Tkinter': 'tkinter','markupbase': '_markupbase','_winreg': 'winreg','thread': '_thread','dummy_thread': '_dummy_thread','dbhash': 'dbm.bsd','dumbdbm': 'dbm.dumb','dbm': 'dbm.ndbm','gdbm': 'dbm.gnu','xmlrpclib': 'xmlrpc.client','SimpleXMLRPCServer': 'xmlrpc.server','httplib': 'http.client','htmlentitydefs' : 'html.entities','HTMLParser' : 'html.parser','Cookie': 'http.cookies','cookielib': 'http.cookiejar','BaseHTTPServer': 'http.server','test.test_support': 'test.support','commands': 'subprocess','urlparse' : 'urllib.parse','robotparser' : 'urllib.robotparser','urllib2': 'urllib.request','anydbm': 'dbm','_abcoll' : 'collections.abc',}# This contains rename rules that are easy to handle. We ignore the more# complex stuff (e.g. mapping the names in the urllib and types modules).# These rules should be run before import names are fixed.NAME_MAPPING = {('__builtin__', 'xrange'): ('builtins', 'range'),('__builtin__', 'reduce'): ('functools', 'reduce'),('__builtin__', 'intern'): ('sys', 'intern'),('__builtin__', 'unichr'): ('builtins', 'chr'),('__builtin__', 'unicode'): ('builtins', 'str'),('__builtin__', 'long'): ('builtins', 'int'),('itertools', 'izip'): ('builtins', 'zip'),('itertools', 'imap'): ('builtins', 'map'),('itertools', 'ifilter'): ('builtins', 'filter'),('itertools', 'ifilterfalse'): ('itertools', 'filterfalse'),('itertools', 'izip_longest'): ('itertools', 'zip_longest'),('UserDict', 'IterableUserDict'): ('collections', 'UserDict'),('UserList', 'UserList'): ('collections', 'UserList'),('UserString', 'UserString'): ('collections', 'UserString'),('whichdb', 'whichdb'): ('dbm', 'whichdb'),('_socket', 'fromfd'): ('socket', 'fromfd'),('_multiprocessing', 'Connection'): ('multiprocessing.connection', 'Connection'),('multiprocessing.process', 'Process'): ('multiprocessing.context', 'Process'),('multiprocessing.forking', 'Popen'): ('multiprocessing.popen_fork', 'Popen'),('urllib', 'ContentTooShortError'): ('urllib.error', 'ContentTooShortError'),('urllib', 'getproxies'): ('urllib.request', 'getproxies'),('urllib', 'pathname2url'): ('urllib.request', 'pathname2url'),('urllib', 'quote_plus'): ('urllib.parse', 'quote_plus'),('urllib', 'quote'): ('urllib.parse', 'quote'),('urllib', 'unquote_plus'): ('urllib.parse', 'unquote_plus'),('urllib', 'unquote'): ('urllib.parse', 'unquote'),('urllib', 'url2pathname'): ('urllib.request', 'url2pathname'),('urllib', 'urlcleanup'): ('urllib.request', 'urlcleanup'),('urllib', 'urlencode'): ('urllib.parse', 'urlencode'),('urllib', 'urlopen'): ('urllib.request', 'urlopen'),('urllib', 'urlretrieve'): ('urllib.request', 'urlretrieve'),('urllib2', 'HTTPError'): ('urllib.error', 'HTTPError'),('urllib2', 'URLError'): ('urllib.error', 'URLError'),}PYTHON2_EXCEPTIONS = ("ArithmeticError","AssertionError","AttributeError","BaseException","BufferError","BytesWarning","DeprecationWarning","EOFError","EnvironmentError","Exception","FloatingPointError","FutureWarning","GeneratorExit","IOError","ImportError","ImportWarning","IndentationError","IndexError","KeyError","KeyboardInterrupt","LookupError","MemoryError","NameError","NotImplementedError","OSError","OverflowError","PendingDeprecationWarning","ReferenceError","RuntimeError","RuntimeWarning",# StandardError is gone in Python 3, so we map it to Exception"StopIteration","SyntaxError","SyntaxWarning","SystemError","SystemExit","TabError","TypeError","UnboundLocalError","UnicodeDecodeError","UnicodeEncodeError","UnicodeError","UnicodeTranslateError","UnicodeWarning","UserWarning","ValueError","Warning","ZeroDivisionError",)try:WindowsErrorexcept NameError:passelse:PYTHON2_EXCEPTIONS += ("WindowsError",)for excname in PYTHON2_EXCEPTIONS:NAME_MAPPING[("exceptions", excname)] = ("builtins", excname)MULTIPROCESSING_EXCEPTIONS = ('AuthenticationError','BufferTooShort','ProcessError','TimeoutError',)for excname in MULTIPROCESSING_EXCEPTIONS:NAME_MAPPING[("multiprocessing", excname)] = ("multiprocessing.context", excname)# Same, but for 3.x to 2.xREVERSE_IMPORT_MAPPING = dict((v, k) for (k, v) in IMPORT_MAPPING.items())assert len(REVERSE_IMPORT_MAPPING) == len(IMPORT_MAPPING)REVERSE_NAME_MAPPING = dict((v, k) for (k, v) in NAME_MAPPING.items())assert len(REVERSE_NAME_MAPPING) == len(NAME_MAPPING)# Non-mutual mappings.IMPORT_MAPPING.update({'cPickle': 'pickle','_elementtree': 'xml.etree.ElementTree','FileDialog': 'tkinter.filedialog','SimpleDialog': 'tkinter.simpledialog','DocXMLRPCServer': 'xmlrpc.server','SimpleHTTPServer': 'http.server','CGIHTTPServer': 'http.server',# For compatibility with broken pickles saved in old Python 3 versions'UserDict': 'collections','UserList': 'collections','UserString': 'collections','whichdb': 'dbm','StringIO': 'io','cStringIO': 'io',})REVERSE_IMPORT_MAPPING.update({'_bz2': 'bz2','_dbm': 'dbm','_functools': 'functools','_gdbm': 'gdbm','_pickle': 'pickle',})NAME_MAPPING.update({('__builtin__', 'basestring'): ('builtins', 'str'),('exceptions', 'StandardError'): ('builtins', 'Exception'),('UserDict', 'UserDict'): ('collections', 'UserDict'),('socket', '_socketobject'): ('socket', 'SocketType'),})REVERSE_NAME_MAPPING.update({('_functools', 'reduce'): ('__builtin__', 'reduce'),('tkinter.filedialog', 'FileDialog'): ('FileDialog', 'FileDialog'),('tkinter.filedialog', 'LoadFileDialog'): ('FileDialog', 'LoadFileDialog'),('tkinter.filedialog', 'SaveFileDialog'): ('FileDialog', 'SaveFileDialog'),('tkinter.simpledialog', 'SimpleDialog'): ('SimpleDialog', 'SimpleDialog'),('xmlrpc.server', 'ServerHTMLDoc'): ('DocXMLRPCServer', 'ServerHTMLDoc'),('xmlrpc.server', 'XMLRPCDocGenerator'):('DocXMLRPCServer', 'XMLRPCDocGenerator'),('xmlrpc.server', 'DocXMLRPCRequestHandler'):('DocXMLRPCServer', 'DocXMLRPCRequestHandler'),('xmlrpc.server', 'DocXMLRPCServer'):('DocXMLRPCServer', 'DocXMLRPCServer'),('xmlrpc.server', 'DocCGIXMLRPCRequestHandler'):('DocXMLRPCServer', 'DocCGIXMLRPCRequestHandler'),('http.server', 'SimpleHTTPRequestHandler'):('SimpleHTTPServer', 'SimpleHTTPRequestHandler'),('http.server', 'CGIHTTPRequestHandler'):('CGIHTTPServer', 'CGIHTTPRequestHandler'),('_socket', 'socket'): ('socket', '_socketobject'),})PYTHON3_OSERROR_EXCEPTIONS = ('BrokenPipeError','ChildProcessError','ConnectionAbortedError','ConnectionError','ConnectionRefusedError','ConnectionResetError','FileExistsError','FileNotFoundError','InterruptedError','IsADirectoryError','NotADirectoryError','PermissionError','ProcessLookupError','TimeoutError',)for excname in PYTHON3_OSERROR_EXCEPTIONS:REVERSE_NAME_MAPPING[('builtins', excname)] = ('exceptions', 'OSError')PYTHON3_IMPORTERROR_EXCEPTIONS = ('ModuleNotFoundError',)for excname in PYTHON3_IMPORTERROR_EXCEPTIONS:REVERSE_NAME_MAPPING[('builtins', excname)] = ('exceptions', 'ImportError')
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