Index – U

unary

arithmetic operation
bitwise operation

UNARY_INVERT (opcode)

UNARY_NEGATIVE (opcode)

UNARY_NOT (opcode)

UNARY_POSITIVE (opcode)

unbinding

name

UnboundLocalError, [1]

unbuffered I/O

UNC paths

and os.makedirs()

unconsumed_tail (zlib.Decompress attribute)

unctrl() (in module curses)

(in module curses.ascii)

undefine_macro() (distutils.ccompiler.CCompiler method)

Underflow (class in decimal)

undisplay (pdb command)

undo() (in module turtle)

undobufferentries() (in module turtle)

undoc_header (cmd.Cmd attribute)

unescape() (in module html)

(in module xml.sax.saxutils)

UnexpectedException

unexpectedSuccesses (unittest.TestResult attribute)

unget_wch() (in module curses)

ungetch() (in module curses)

(in module msvcrt)

ungetmouse() (in module curses)

ungetwch() (in module msvcrt)

unhexlify() (in module binascii)

Unicode, [1], [2]

database

unicode (2to3 fixer)

Unicode Consortium

unicodedata (module)

UnicodeDecodeError

UnicodeEncodeError

UnicodeError

UnicodeTranslateError

UnicodeWarning

unidata_version (in module unicodedata)

unified_diff() (in module difflib)

uniform() (in module random)

UnimplementedFileMode

Union (class in ctypes)

(class in typing)

union() (set method)

unique() (in module enum), [1]

unittest (module)

unittest command line option

--locals
-b, --buffer
-c, --catch
-f, --failfast

unittest-discover command line option

-p, --pattern pattern
-s, --start-directory directory
-t, --top-level-directory directory
-v, --verbose

unittest.mock (module)

universal newlines

What's new, [1], [2], [3]
bytearray.splitlines method
bytes.splitlines method
csv.reader function
importlib.abc.InspectLoader.get_source method
io.IncrementalNewlineDecoder class
io.TextIOWrapper class
open() built-in function
str.splitlines method
subprocess module
zipfile.ZipFile.open method

UNIX

I/O control
file control

unix_dialect (class in csv)

UnixDatagramServer (class in socketserver)

UnixStreamServer (class in socketserver)

unknown_decl() (html.parser.HTMLParser method)

unknown_open() (urllib.request.BaseHandler method)

(urllib.request.UnknownHandler method)

UnknownHandler (class in urllib.request)

UnknownProtocol

UnknownTransferEncoding

unlink() (in module os)

(pathlib.Path method)
(xml.dom.minidom.Node method)

unlock() (mailbox.Babyl method)

(mailbox.MH method)
(mailbox.MMDF method)
(mailbox.Mailbox method)
(mailbox.Maildir method)
(mailbox.mbox method)

unpack() (in module struct)

(struct.Struct method)

unpack_archive() (in module shutil)

unpack_array() (xdrlib.Unpacker method)

unpack_bytes() (xdrlib.Unpacker method)

unpack_double() (xdrlib.Unpacker method)

UNPACK_EX (opcode)

unpack_farray() (xdrlib.Unpacker method)

unpack_float() (xdrlib.Unpacker method)

unpack_fopaque() (xdrlib.Unpacker method)

unpack_from() (in module struct)

(struct.Struct method)

unpack_fstring() (xdrlib.Unpacker method)

unpack_list() (xdrlib.Unpacker method)

unpack_opaque() (xdrlib.Unpacker method)

UNPACK_SEQUENCE (opcode)

unpack_string() (xdrlib.Unpacker method)

Unpacker (class in xdrlib)

unparsedEntityDecl() (xml.sax.handler.DTDHandler method)

UnparsedEntityDeclHandler() (xml.parsers.expat.xmlparser method)

Unpickler (class in pickle)

UnpicklingError

unquote() (in module email.utils)

(in module urllib.parse)

unquote_plus() (in module urllib.parse)

unquote_to_bytes() (in module urllib.parse)

unreachable object

unreadline() (distutils.text_file.TextFile method)

unrecognized escape sequence

unregister() (in module atexit)

(in module faulthandler)
(select.devpoll method)
(select.epoll method)
(select.poll method)
(selectors.BaseSelector method)

unregister_archive_format() (in module shutil)

unregister_dialect() (in module csv)

unregister_unpack_format() (in module shutil)

unset() (test.support.EnvironmentVarGuard method)

unsetenv() (in module os)

UnstructuredHeader (class in email.headerregistry)

unsubscribe() (imaplib.IMAP4 method)

UnsupportedOperation

until (pdb command)

untokenize() (in module tokenize)

untouchwin() (curses.window method)

unused_data (bz2.BZ2Decompressor attribute)

(lzma.LZMADecompressor attribute)
(zlib.Decompress attribute)

unverifiable (urllib.request.Request attribute)

unwrap() (in module inspect)

(ssl.SSLSocket method)

up (pdb command)

up() (in module turtle)

update() (collections.Counter method)

(dict method)
(hashlib.hash method)
(hmac.HMAC method)
(http.cookies.Morsel method)
(in module turtle)
(mailbox.Mailbox method)
(mailbox.Maildir method)
(set method)
(trace.CoverageResults method)

update_authenticated() (urllib.request.HTTPPasswordMgrWithPriorAuth method)

update_lines_cols() (in module curses)

update_panels() (in module curses.panel)

update_visible() (mailbox.BabylMessage method)

update_wrapper() (in module functools)

upper() (bytearray method)

(bytes method)
(str method)

urandom() (in module os)

URL, [1], [2], [3]

parsing
relative

url (xmlrpc.client.ProtocolError attribute)

url2pathname() (in module urllib.request)

urlcleanup() (in module urllib.request)

urldefrag() (in module urllib.parse)

urlencode() (in module urllib.parse)

URLError

urljoin() (in module urllib.parse)

urllib (2to3 fixer)

(module)

urllib.error (module)

urllib.parse (module)

urllib.request

module

urllib.request (module)

urllib.response (module)

urllib.robotparser (module)

urlopen() (in module urllib.request)

URLopener (class in urllib.request)

urlparse() (in module urllib.parse)

urlretrieve() (in module urllib.request)

urlsafe_b64decode() (in module base64)

urlsafe_b64encode() (in module base64)

urlsplit() (in module urllib.parse)

urlunparse() (in module urllib.parse)

urlunsplit() (in module urllib.parse)

urn (uuid.UUID attribute)

use_default_colors() (in module curses)

use_env() (in module curses)

use_rawinput (cmd.Cmd attribute)

UseForeignDTD() (xml.parsers.expat.xmlparser method)

USER

user

effective id
id
id, setting

user() (poplib.POP3 method)

user-defined

function
function call
method

user-defined function

object, [1], [2]

user-defined method

object

USER_BASE

(in module site)

user_call() (bdb.Bdb method)

user_exception() (bdb.Bdb method)

user_line() (bdb.Bdb method)

user_return() (bdb.Bdb method)

USER_SITE (in module site)

usercustomize

module

UserDict (class in collections)

UserList (class in collections)

USERNAME, [1]

username (email.headerregistry.Address attribute)

USERPROFILE, [1]

userptr() (curses.panel.Panel method)

UserString (class in collections)

UserWarning

USTAR_FORMAT (in module tarfile)

UTC

utc (datetime.timezone attribute)

utcfromtimestamp() (datetime.datetime class method)

utcnow() (datetime.datetime class method)

utcoffset() (datetime.datetime method)

(datetime.time method)
(datetime.timezone method)
(datetime.tzinfo method)

utctimetuple() (datetime.datetime method)

utf8 (email.policy.EmailPolicy attribute)

utf8() (poplib.POP3 method)

utf8_enabled (imaplib.IMAP4 attribute)

utime() (in module os)

uu

module

uu (module)

UUID (class in uuid)

uuid (module)

uuid1

uuid1() (in module uuid)

uuid3

uuid3() (in module uuid)

uuid4

uuid4() (in module uuid)

uuid5

uuid5() (in module uuid)

UuidCreate() (in module msilib)