- U (in module re)
 
- u-LAW, [1], [2], [3]
 
- ucd_3_2_0 (in module unicodedata)
 
- udata (select.kevent attribute)
 
- UF_APPEND (in module stat)
 
- UF_COMPRESSED (in module stat)
 
- UF_HIDDEN (in module stat)
 
- UF_IMMUTABLE (in module stat)
 
- UF_NODUMP (in module stat)
 
- UF_NOUNLINK (in module stat)
 
- UF_OPAQUE (in module stat)
 
- ugettext() (gettext.GNUTranslations method)
 
  
    - (gettext.NullTranslations method)
 
    
- uid (tarfile.TarInfo attribute)
 
- uid() (imaplib.IMAP4 method)
 
- uidl() (poplib.POP3 method)
 
- ulaw2lin() (in module audioop)
 
- ULONG_MAX
 
- umask() (in module os)
 
- uname (tarfile.TarInfo attribute)
 
- uname() (in module os)
 
  
    - (in module platform)
 
    
- unary
 
  
    - arithmetic operation
 
    - bitwise operation
 
    
- UNARY_CONVERT (opcode)
 
- UNARY_INVERT (opcode)
 
- UNARY_NEGATIVE (opcode)
 
- UNARY_NOT (opcode)
 
- UNARY_POSITIVE (opcode)
 
- unbinding
 
  
    - name
 
    
- UnboundLocalError, [1]
 
- UnboundMethodType (in module types)
 
- 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)
 
- undo() (in module turtle)
 
- undobufferentries() (in module turtle)
 
- undoc_header (cmd.Cmd attribute)
 
- unescape() (in module xml.sax.saxutils)
 
- UnexpectedException
 
- unexpectedSuccesses (unittest.TestResult attribute)
 
- unfreeze_form() (fl.form method)
 
- ungetch() (in module curses)
 
  
    - (in module msvcrt)
 
    
- ungetmouse() (in module curses)
 
- ungettext() (gettext.GNUTranslations method)
 
  
    - (gettext.NullTranslations method)
 
    
- ungetwch() (in module msvcrt)
 
- unhexlify() (in module binascii)
 
- unichr
 
  
    - built-in function
 
    
- unichr() (built-in function)
 
- Unicode, [1], [2]
 
  
    - database
 
    - object
 
    
- unicode
 
  
    - built-in function, [1], [2], [3]
 
    - object
 
    
- unicode (2to3 fixer)
 
- UNICODE (in module re)
 
- Unicode Consortium
 
- unicode() (built-in function)
 
- unicodedata (module)
 
- UnicodeDecodeError
 
- UnicodeEncodeError
 
- UnicodeError
 
- UnicodeTranslateError
 
- UnicodeType (in module types)
 
- UnicodeWarning
 
- unidata_version (in module unicodedata)
 
- unified_diff() (in module difflib)
 
- uniform() (in module random)
 
- UnimplementedFileMode
 
- uninstall() (imputil.ImportManager method)
 
- Union (class in ctypes)
 
- union() (set method)
 
- unittest (module)
 
- unittest command line option
 
  
    - -b, --buffer
 
    - -c, --catch
 
    - -f, --failfast
 
    
- unittest-discover command line option
 
  
    - --help
 
    - --version
 
    - -3
 
    - -B
 
    - -E
 
    - -J
 
    - -O
 
    - -OO
 
    - -Q <arg>
 
    - -S
 
    - -U
 
    - -V
 
    - -W arg
 
    - -X
 
    - -c <command>
 
    - -d
 
    - -h
 
    - -i
 
    - -m <module-name>
 
    - -p pattern
 
    - -s
 
    - -s directory
 
    - -t
 
    - -t directory
 
    - -u
 
    - -v
 
    - -v, --verbose
 
    - -x
 
    
- UNIX
 
  
    - I/O control
 
    - file control
 
    
- unixfrom (rfc822.Message attribute)
 
- UnixMailbox (class in mailbox)
 
- Unknown (class in aetypes)
 
- unknown_charref() (sgmllib.SGMLParser method)
 
- unknown_decl() (HTMLParser.HTMLParser method)
 
- unknown_endtag() (sgmllib.SGMLParser method)
 
- unknown_entityref() (sgmllib.SGMLParser method)
 
- unknown_open() (urllib2.BaseHandler method)
 
  
    - (urllib2.UnknownHandler method)
 
    
- unknown_starttag() (sgmllib.SGMLParser method)
 
- UnknownHandler (class in urllib2)
 
- UnknownProtocol
 
- UnknownTransferEncoding
 
- unlink() (in module os)
 
  
    - (xml.dom.minidom.Node method)
 
    
- unlock() (mailbox.Babyl method)
 
  
    - (mailbox.MH method)
 
    - (mailbox.MMDF method)
 
    - (mailbox.Mailbox method)
 
    - (mailbox.Maildir method)
 
    - (mailbox.mbox method)
 
    - (mutex.mutex method)
 
    
- unmimify() (in module mimify)
 
- unpack() (in module aepack)
 
  
    - (in module struct)
 
    - (struct.Struct method)
 
    
- unpack_array() (xdrlib.Unpacker method)
 
- unpack_bytes() (xdrlib.Unpacker method)
 
- unpack_double() (xdrlib.Unpacker method)
   | 
- 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)
 
- unpackevent() (in module aetools)
 
- unparsedEntityDecl() (xml.sax.handler.DTDHandler method)
 
- UnparsedEntityDeclHandler() (xml.parsers.expat.xmlparser method)
 
- Unpickler (class in pickle)
 
- UnpicklingError
 
- unqdevice() (in module fl)
 
- unquote() (in module email.utils)
 
  
    - (in module rfc822)
 
    - (in module urllib)
 
    
- unquote_plus() (in module urllib)
 
- unreachable object
 
- unreadline() (distutils.text_file.TextFile method)
 
- unrecognized escape sequence
 
- unregister() (select.epoll method)
 
  
    - (select.poll method)
 
    
- unregister_archive_format() (in module shutil)
 
- unregister_dialect() (in module csv)
 
- unset() (test.test_support.EnvironmentVarGuard method)
 
- unsetenv() (in module os)
 
- unsubscribe() (imaplib.IMAP4 method)
 
- UnsupportedOperation
 
- untokenize() (in module tokenize)
 
- untouchwin() (curses.window method)
 
- unused_data (zlib.Decompress attribute)
 
- unwrap() (ssl.SSLSocket method)
 
- up() (in module turtle)
 
- update() (collections.Counter method)
 
  
    - (dict method)
 
    - (hashlib.hash method)
 
    - (hmac.hmac method)
 
    - (in module turtle)
 
    - (mailbox.Mailbox method)
 
    - (mailbox.Maildir method)
 
    - (md5.md5 method)
 
    - (set method)
 
    - (sha.sha method)
 
    - (trace.CoverageResults method)
 
    
- update_panels() (in module curses.panel)
 
- update_visible() (mailbox.BabylMessage method)
 
- update_wrapper() (in module functools)
 
- updatescrollbars() (FrameWork.ScrolledWindow method)
 
- upper() (in module string)
 
  
    - (str method)
 
    
- uppercase (in module string)
 
- urandom() (in module os)
 
- URL, [1], [2], [3], [4]
 
  
    - parsing
 
    - relative
 
    
- url (xmlrpclib.ProtocolError attribute)
 
- url2pathname() (in module urllib)
 
- urlcleanup() (in module urllib)
 
- urldefrag() (in module urlparse)
 
- urlencode() (in module urllib)
 
- URLError
 
- urljoin() (in module urlparse)
 
- urllib
 
  
    - module
 
    
- urllib (2to3 fixer)
 
  
    - (module)
 
    
- urllib2 (module)
 
- urlopen() (in module urllib)
 
  
    - (in module urllib2)
 
    
- URLopener (class in urllib)
 
- urlparse
 
  
    - module
 
    
- urlparse (module)
 
- urlparse() (in module urlparse)
 
- urlretrieve() (in module urllib)
 
- urlsafe_b64decode() (in module base64)
 
- urlsafe_b64encode() (in module base64)
 
- urlsplit() (in module urlparse)
 
- urlunparse() (in module urlparse)
 
- urlunsplit() (in module urlparse)
 
- 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
 
  
    - configuration file
 
    - effective id
 
    - id
 
    - id, setting
 
    
- user (module)
 
- 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 UserDict)
 
  
    - (module)
 
    
- UserList (class in UserList)
 
  
    - (module)
 
    
- USERNAME
 
- USERPROFILE, [1]
 
- userptr() (curses.panel.Panel method)
 
- UserString (class in UserString)
 
  
    - (module)
 
    
- UserWarning
 
- USTAR_FORMAT (in module tarfile)
 
- UTC
 
- utcfromtimestamp() (datetime.datetime class method)
 
- utcnow() (datetime.datetime class method)
 
- utcoffset() (datetime.datetime method)
 
  
    - (datetime.time method)
 
    - (datetime.tzinfo method)
 
    
- utctimetuple() (datetime.datetime method)
 
- 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)
 
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