python-3.6.zip added from Github

README.cosmo contains the necessary links.

third_party/python/Lib/_compat_pickle.py

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+# 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:
+    WindowsError
+except NameError:
+    pass
+else:
+    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.x
+REVERSE_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')