Merge python.vim and python3.0.vim into python.vim

Merge Python 3 and Python 3 script versions into
the single python.vim script

CHANGES.txt

+Revision 3.3.0 (2013-03-10):
+
+    - Merge Python 2 and Python 3 script versions into the single python.vim
+      script
+
 Revision 3.0.7 (2012-02-11):
 
     - Updated email and URL

TODO.txt

 
 - Add support for slice syntax:
   http://img155.imageshack.us/img155/7767/screenshotgs.png
+
 - When we check spelling we don't need to check the whole strings only the
   content. For example we don't need to check 'u' for spelling in strings
   like this: u"Some text";
 Later
 =====
 
-- Highligh errors where symbols follow by numbers like this: 0o123LaB
-
 - Need more accurate way to handle indentation errors. For example
   mixing spaces and tabs may be used for pretty formatting;
 

python.vim

 " Vim syntax file
 " Language:     Python
-" Maintainer:	Dmitry Vasiliev <dima at hlabs dot org>
-" URL:		    https://github.com/hdima/vim-scripts/blob/master/syntax/python/python.vim
-" Last Change:	2012-02-11
-" Filenames:	*.py
-" Version:	    2.6.7
+" Maintainer:   Dmitry Vasiliev <dima at hlabs dot org>
+" URL:          https://github.com/hdima/vim-scripts/blob/master/syntax/python/python.vim
+" Last Change:  2013-03-10
+" Filenames:    *.py
+" Version:      3.3.0
 "
 " Based on python.vim (from Vim 6.1 distribution)
 " by Neil Schemenauer <nas at python dot ca>
 "
-" Thanks:
+" Bugs and feature requests can be reported through email
+" <dima at hlabs dot org>, GitHub at:
 "
-"    Jeroen Ruigrok van der Werven
-"        for the idea to highlight erroneous operators
-"    Pedro Algarvio
-"        for the patch to enable spell checking only for the right spots
-"        (strings and comments)
-"    John Eikenberry
-"        for the patch fixing small typo
-"    Caleb Adamantine
-"        for the patch fixing highlighting for decorators
-"    Andrea Riciputi
-"        for the patch with new configuration options
-
+"   https://github.com/hdima/vim-scripts/issues
 "
-" Options:
+" , or Twitter:
 "
-"    For set option do: let OPTION_NAME = 1
-"    For clear option do: let OPTION_NAME = 0
+"   https://twitter.com/hdima
 "
-" Option names:
+" Contributors
+" ============
 "
-"    For highlight builtin functions and objects:
-"       python_highlight_builtins
+"   Jeroen Ruigrok van der Werven
+"   Pedro Algarvio
+"   John Eikenberry
+"   Caleb Adamantine
+"   Andrea Riciputi
+"   Anton Butanaev
+"   Marc Weber
 "
-"    For highlight builtin objects:
-"       python_highlight_builtin_objs
+" Options
+" =======
 "
-"    For highlight builtin funtions:
-"       python_highlight_builtin_funcs
+"    :let OPTION_NAME = 1                   Enable option
+"    :let OPTION_NAME = 0                   Disable option
 "
-"    For highlight standard exceptions:
-"       python_highlight_exceptions
 "
-"    For highlight string formatting:
-"       python_highlight_string_formatting
+" Option to select Python version
+" -------------------------------
 "
-"    For highlight str.format syntax:
-"       python_highlight_string_format
+"    python_version_2                       Enable highlighting for Python 2
+"                                           (Python 3 highlighting is enabled
+"                                           by default). Can also be set as
+"                                           a buffer (b:python_version_2)
+"                                           variable.
 "
-"    For highlight string.Template syntax:
-"       python_highlight_string_templates
+"    You can also use the following local to buffer commands to switch
+"    between two highlighting modes:
 "
-"    For highlight indentation errors:
-"       python_highlight_indent_errors
+"    :Python2Syntax                         Switch to Python 2 highlighting
+"                                           mode
+"    :Python3Syntax                         Switch to Python 3 highlighting
+"                                           mode
 "
-"    For highlight trailing spaces:
-"       python_highlight_space_errors
+" Option names used by the script
+" -------------------------------
 "
-"    For highlight doc-tests:
-"       python_highlight_doctests
+"    python_highlight_builtins              Highlight builtin functions and
+"                                           objects
+"      python_highlight_builtin_objs        Highlight builtin objects only
+"      python_highlight_builtin_funcs       Highlight builtin functions only
+"    python_highlight_exceptions            Highlight standard exceptions
+"    python_highlight_string_formatting     Highlight % string formatting
+"    python_highlight_string_format         Highlight str.format syntax
+"    python_highlight_string_templates      Highlight string.Template syntax
+"    python_highlight_indent_errors         Highlight indentation errors
+"    python_highlight_space_errors          Highlight trailing spaces
+"    python_highlight_doctests              Highlight doc-tests
+"    python_print_as_function               Highlight 'print' statement as
+"                                           function for Python 2
 "
-"    If you want all Python highlightings above:
-"       python_highlight_all
-"    (This option not override previously set options)
+"    python_highlight_all                   Enable all the options above
+"                                           NOTE: This option don't override
+"                                           any previously set options
 "
-"    For fast machines:
-"       python_slow_sync
+"    python_slow_sync                       Can be set to 0 for slow machines
 "
-"    For "print" builtin as function:
-"       python_print_as_function
 
 " For version 5.x: Clear all syntax items
-" For version 6.x: Quit when a syntax file was already loaded
+" For versions greater than 6.x: Quit when a syntax file was already loaded
 if version < 600
   syntax clear
 elseif exists("b:current_syntax")
   finish
 endif
 
-if exists("python_highlight_all") && python_highlight_all != 0
-  " Not override previously set options
-  if !exists("python_highlight_builtins")
-    if !exists("python_highlight_builtin_objs")
-      let python_highlight_builtin_objs = 1
-    endif
-    if !exists("python_highlight_builtin_funcs")
-      let python_highlight_builtin_funcs = 1
-    endif
-  endif
-  if !exists("python_highlight_exceptions")
-    let python_highlight_exceptions = 1
-  endif
-  if !exists("python_highlight_string_formatting")
-    let python_highlight_string_formatting = 1
-  endif
-  if !exists("python_highlight_string_format")
-    let python_highlight_string_format = 1
-  endif
-  if !exists("python_highlight_string_templates")
-    let python_highlight_string_templates = 1
-  endif
-  if !exists("python_highlight_indent_errors")
-    let python_highlight_indent_errors = 1
-  endif
-  if !exists("python_highlight_space_errors")
-    let python_highlight_space_errors = 1
+"
+" Commands
+"
+command! -buffer Python2Syntax let b:python_version_2 = 1 | if exists("g:syntax_on") | syn off | endif | syn enable
+command! -buffer Python3Syntax let b:python_version_2 = 0 | if exists("g:syntax_on") | syn off | endif | syn enable
+
+" Enable option if it's not defined
+function! s:EnableByDefault(name)
+  if !exists(a:name)
+    let {a:name} = 1
   endif
-  if !exists("python_highlight_doctests")
-    let python_highlight_doctests = 1
+endfunction
+
+" Check if option is enabled
+function! s:Enabled(name)
+  return exists(a:name) && {a:name} != 0
+endfunction
+
+" Is it Python 2 syntax?
+function! s:Python2Syntax()
+  return s:Enabled("b:python_version_2") || s:Enabled("g:python_version_2")
+endfunction
+
+"
+" Default options
+"
+
+call s:EnableByDefault("g:python_slow_sync")
+
+if s:Enabled("g:python_highlight_all")
+  call s:EnableByDefault("g:python_highlight_builtins")
+  if s:Enabled("g:python_highlight_builtins")
+    call s:EnableByDefault("g:python_highlight_builtin_objs")
+    call s:EnableByDefault("g:python_highlight_builtin_funcs")
   endif
+  call s:EnableByDefault("g:python_highlight_exceptions")
+  call s:EnableByDefault("g:python_highlight_string_formatting")
+  call s:EnableByDefault("g:python_highlight_string_format")
+  call s:EnableByDefault("g:python_highlight_string_templates")
+  call s:EnableByDefault("g:python_highlight_indent_errors")
+  call s:EnableByDefault("g:python_highlight_space_errors")
+  call s:EnableByDefault("g:python_highlight_doctests")
+  call s:EnableByDefault("g:python_print_as_function")
 endif
 
+"
 " Keywords
-syn keyword pythonStatement	break continue del
-syn keyword pythonStatement	exec return
-syn keyword pythonStatement	pass raise
-syn keyword pythonStatement	global assert
-syn keyword pythonStatement	lambda yield
-syn keyword pythonStatement	with
-syn keyword pythonStatement	def class nextgroup=pythonFunction skipwhite
-syn match   pythonFunction	"[a-zA-Z_][a-zA-Z0-9_]*" display contained
-syn keyword pythonRepeat	for while
-syn keyword pythonConditional	if elif else
-syn keyword pythonPreCondit	import from as
-syn keyword pythonException	try except finally
-syn keyword pythonOperator	and in is not or
-
-if !exists("python_print_as_function") || python_print_as_function == 0
-  syn keyword pythonStatement print
+"
+
+syn keyword pythonStatement     break continue del
+syn keyword pythonStatement     exec return
+syn keyword pythonStatement     pass raise
+syn keyword pythonStatement     global assert
+syn keyword pythonStatement     lambda yield
+syn keyword pythonStatement     with
+syn keyword pythonStatement     def class nextgroup=pythonFunction skipwhite
+syn keyword pythonRepeat        for while
+syn keyword pythonConditional   if elif else
+syn keyword pythonPreCondit     import from
+syn keyword pythonException     try except finally
+syn keyword pythonOperator      and in is not or
+
+if s:Python2Syntax()
+  if !s:Enabled("g:python_print_as_function")
+    syn keyword pythonStatement  print
+  endif
+  syn keyword pythonPreCondit   as
+  syn match   pythonFunction    "[a-zA-Z_][a-zA-Z0-9_]*" display contained
+else
+  syn keyword pythonStatement   as nonlocal False None True
+  syn match   pythonFunction    "\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*" display contained
 endif
 
+"
 " Decorators (new in Python 2.4)
+"
+
 syn match   pythonDecorator	"@" display nextgroup=pythonDottedName skipwhite
-syn match   pythonDottedName "[a-zA-Z_][a-zA-Z0-9_]*\(\.[a-zA-Z_][a-zA-Z0-9_]*\)*" display contained
+syn match   pythonDottedName "[a-zA-Z_][a-zA-Z0-9_]*\%(\.[a-zA-Z_][a-zA-Z0-9_]*\)*" display contained
 syn match   pythonDot        "\." display containedin=pythonDottedName
 
+"
 " Comments
+"
+
 syn match   pythonComment	"#.*$" display contains=pythonTodo,@Spell
 syn match   pythonRun		"\%^#!.*$"
-syn match   pythonCoding	"\%^.*\(\n.*\)\?#.*coding[:=]\s*[0-9A-Za-z-_.]\+.*$"
+syn match   pythonCoding	"\%^.*\%(\n.*\)\?#.*coding[:=]\s*[0-9A-Za-z-_.]\+.*$"
 syn keyword pythonTodo		TODO FIXME XXX contained
 
+"
 " Errors
+"
+
 syn match pythonError		"\<\d\+\D\+\>" display
 syn match pythonError		"[$?]" display
 syn match pythonError		"[&|]\{2,}" display
 syn match pythonError		"[=]\{3,}" display
 
-" TODO: Mixing spaces and tabs also may be used for pretty formatting multiline
-" statements. For now I don't know how to work around this.
-if exists("python_highlight_indent_errors") && python_highlight_indent_errors != 0
-  syn match pythonIndentError	"^\s*\( \t\|\t \)\s*\S"me=e-1 display
+" Mixing spaces and tabs also may be used for pretty formatting multiline
+" statements
+if s:Enabled("g:python_highlight_indent_errors")
+  syn match pythonIndentError	"^\s*\%( \t\|\t \)\s*\S"me=e-1 display
 endif
 
 " Trailing space errors
-if exists("python_highlight_space_errors") && python_highlight_space_errors != 0
+if s:Enabled("g:python_highlight_space_errors")
   syn match pythonSpaceError	"\s\+$" display
 endif
 
+"
 " Strings
-syn region pythonString		start=+[bB]\='+ skip=+\\\\\|\\'\|\\$+ excludenl end=+'+ end=+$+ keepend contains=pythonEscape,pythonEscapeError,@Spell
-syn region pythonString		start=+[bB]\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end=+$+ keepend contains=pythonEscape,pythonEscapeError,@Spell
-syn region pythonString		start=+[bB]\="""+ end=+"""+ keepend contains=pythonEscape,pythonEscapeError,pythonDocTest2,pythonSpaceError,@Spell
-syn region pythonString		start=+[bB]\='''+ end=+'''+ keepend contains=pythonEscape,pythonEscapeError,pythonDocTest,pythonSpaceError,@Spell
-
-syn match  pythonEscape		+\\[abfnrtv'"\\]+ display contained
-syn match  pythonEscape		"\\\o\o\=\o\=" display contained
-syn match  pythonEscapeError	"\\\o\{,2}[89]" display contained
-syn match  pythonEscape		"\\x\x\{2}" display contained
-syn match  pythonEscapeError	"\\x\x\=\X" display contained
-syn match  pythonEscape		"\\$"
-
-" Unicode strings
-syn region pythonUniString	start=+[uU]'+ skip=+\\\\\|\\'\|\\$+ excludenl end=+'+ end=+$+ keepend contains=pythonEscape,pythonUniEscape,pythonEscapeError,pythonUniEscapeError,@Spell
-syn region pythonUniString	start=+[uU]"+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end=+$+ keepend contains=pythonEscape,pythonUniEscape,pythonEscapeError,pythonUniEscapeError,@Spell
-syn region pythonUniString	start=+[uU]"""+ end=+"""+ keepend contains=pythonEscape,pythonUniEscape,pythonEscapeError,pythonUniEscapeError,pythonDocTest2,pythonSpaceError,@Spell
-syn region pythonUniString	start=+[uU]'''+ end=+'''+ keepend contains=pythonEscape,pythonUniEscape,pythonEscapeError,pythonUniEscapeError,pythonDocTest,pythonSpaceError,@Spell
-
-syn match  pythonUniEscape	"\\u\x\{4}" display contained
-syn match  pythonUniEscapeError	"\\u\x\{,3}\X" display contained
-syn match  pythonUniEscape	"\\U\x\{8}" display contained
-syn match  pythonUniEscapeError	"\\U\x\{,7}\X" display contained
-syn match  pythonUniEscape	"\\N{[A-Z ]\+}" display contained
-syn match  pythonUniEscapeError	"\\N{[^A-Z ]\+}" display contained
-
-" Raw strings
-syn region pythonRawString	start=+[rR]'+ skip=+\\\\\|\\'\|\\$+ excludenl end=+'+ end=+$+ keepend contains=pythonRawEscape,@Spell
-syn region pythonRawString	start=+[rR]"+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end=+$+ keepend contains=pythonRawEscape,@Spell
-syn region pythonRawString	start=+[rR]"""+ end=+"""+ keepend contains=pythonDocTest2,pythonSpaceError,@Spell
-syn region pythonRawString	start=+[rR]'''+ end=+'''+ keepend contains=pythonDocTest,pythonSpaceError,@Spell
-
-syn match pythonRawEscape	+\\['"]+ display transparent contained
-
-" Unicode raw strings
-syn region pythonUniRawString	start=+[uU][rR]'+ skip=+\\\\\|\\'\|\\$+ excludenl end=+'+ end=+$+ keepend contains=pythonRawEscape,pythonUniRawEscape,pythonUniRawEscapeError,@Spell
-syn region pythonUniRawString	start=+[uU][rR]"+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end=+$+ keepend contains=pythonRawEscape,pythonUniRawEscape,pythonUniRawEscapeError,@Spell
-syn region pythonUniRawString	start=+[uU][rR]"""+ end=+"""+ keepend contains=pythonUniRawEscape,pythonUniRawEscapeError,pythonDocTest2,pythonSpaceError,@Spell
-syn region pythonUniRawString	start=+[uU][rR]'''+ end=+'''+ keepend contains=pythonUniRawEscape,pythonUniRawEscapeError,pythonDocTest,pythonSpaceError,@Spell
-
-syn match  pythonUniRawEscape		"\([^\\]\(\\\\\)*\)\@<=\\u\x\{4}" display contained
-syn match  pythonUniRawEscapeError	"\([^\\]\(\\\\\)*\)\@<=\\u\x\{,3}\X" display contained
-
-if exists("python_highlight_string_formatting") && python_highlight_string_formatting != 0
-  " String formatting
-  syn match pythonStrFormatting	"%\(([^)]\+)\)\=[-#0 +]*\d*\(\.\d\+\)\=[hlL]\=[diouxXeEfFgGcrs%]" contained containedin=pythonString,pythonUniString,pythonRawString,pythonUniRawString
-  syn match pythonStrFormatting	"%[-#0 +]*\(\*\|\d\+\)\=\(\.\(\*\|\d\+\)\)\=[hlL]\=[diouxXeEfFgGcrs%]" contained containedin=pythonString,pythonUniString,pythonRawString,pythonUniRawString
+"
+
+if s:Python2Syntax()
+  " Python 2 strings
+  syn region pythonString   start=+[bB]\='+ skip=+\\\\\|\\'\|\\$+ excludenl end=+'+ end=+$+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,@Spell
+  syn region pythonString   start=+[bB]\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end=+$+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,@Spell
+  syn region pythonString   start=+[bB]\="""+ end=+"""+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,pythonDocTest2,pythonSpaceError,@Spell
+  syn region pythonString   start=+[bB]\='''+ end=+'''+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,pythonDocTest,pythonSpaceError,@Spell
+else
+  " Python 3 byte strings
+  syn region pythonBytes		start=+[bB]'+ skip=+\\\\\|\\'\|\\$+ excludenl end=+'+ end=+$+ keepend contains=pythonBytesError,pythonBytesContent,@Spell
+  syn region pythonBytes		start=+[bB]"+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end=+$+ keepend contains=pythonBytesError,pythonBytesContent,@Spell
+  syn region pythonBytes		start=+[bB]"""+ end=+"""+ keepend contains=pythonBytesError,pythonBytesContent,pythonDocTest2,pythonSpaceError,@Spell
+  syn region pythonBytes		start=+[bB]'''+ end=+'''+ keepend contains=pythonBytesError,pythonBytesContent,pythonDocTest,pythonSpaceError,@Spell
+
+  syn match pythonBytesError    ".\+" display contained
+  syn match pythonBytesContent  "[\u0000-\u00ff]\+" display contained contains=pythonBytesEscape,pythonBytesEscapeError
+endif
+
+syn match pythonBytesEscape       +\\[abfnrtv'"\\]+ display contained
+syn match pythonBytesEscape       "\\\o\o\=\o\=" display contained
+syn match pythonBytesEscapeError  "\\\o\{,2}[89]" display contained
+syn match pythonBytesEscape       "\\x\x\{2}" display contained
+syn match pythonBytesEscapeError  "\\x\x\=\X" display contained
+syn match pythonBytesEscape       "\\$"
+
+syn match pythonUniEscape         "\\u\x\{4}" display contained
+syn match pythonUniEscapeError    "\\u\x\{,3}\X" display contained
+syn match pythonUniEscape         "\\U\x\{8}" display contained
+syn match pythonUniEscapeError    "\\U\x\{,7}\X" display contained
+syn match pythonUniEscape         "\\N{[A-Z ]\+}" display contained
+syn match pythonUniEscapeError    "\\N{[^A-Z ]\+}" display contained
+
+if s:Python2Syntax()
+  " Python 2 Unicode strings
+  syn region pythonUniString  start=+[uU]'+ skip=+\\\\\|\\'\|\\$+ excludenl end=+'+ end=+$+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,@Spell
+  syn region pythonUniString  start=+[uU]"+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end=+$+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,@Spell
+  syn region pythonUniString  start=+[uU]"""+ end=+"""+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,pythonDocTest2,pythonSpaceError,@Spell
+  syn region pythonUniString  start=+[uU]'''+ end=+'''+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,pythonDocTest,pythonSpaceError,@Spell
+else
+  " Python 3 strings
+  syn region pythonString   start=+'+ skip=+\\\\\|\\'\|\\$+ excludenl end=+'+ end=+$+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,@Spell
+  syn region pythonString   start=+"+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end=+$+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,@Spell
+  syn region pythonString   start=+"""+ end=+"""+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,pythonDocTest2,pythonSpaceError,@Spell
+  syn region pythonString   start=+'''+ end=+'''+ keepend contains=pythonBytesEscape,pythonBytesEscapeError,pythonUniEscape,pythonUniEscapeError,pythonDocTest,pythonSpaceError,@Spell
+endif
+
+if s:Python2Syntax()
+  " Python 2 Unicode raw strings
+  syn region pythonUniRawString start=+[uU][rR]'+ skip=+\\\\\|\\'\|\\$+ excludenl end=+'+ end=+$+ keepend contains=pythonRawEscape,pythonUniRawEscape,pythonUniRawEscapeError,@Spell
+  syn region pythonUniRawString start=+[uU][rR]"+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end=+$+ keepend contains=pythonRawEscape,pythonUniRawEscape,pythonUniRawEscapeError,@Spell
+  syn region pythonUniRawString start=+[uU][rR]"""+ end=+"""+ keepend contains=pythonUniRawEscape,pythonUniRawEscapeError,pythonDocTest2,pythonSpaceError,@Spell
+  syn region pythonUniRawString start=+[uU][rR]'''+ end=+'''+ keepend contains=pythonUniRawEscape,pythonUniRawEscapeError,pythonDocTest,pythonSpaceError,@Spell
+
+  syn match  pythonUniRawEscape       "\([^\\]\(\\\\\)*\)\@<=\\u\x\{4}" display contained
+  syn match  pythonUniRawEscapeError  "\([^\\]\(\\\\\)*\)\@<=\\u\x\{,3}\X" display contained
 endif
 
-if exists("python_highlight_string_format") && python_highlight_string_format != 0
+" Python 2/3 raw strings
+if s:Python2Syntax()
+  syn region pythonRawString  start=+[bB]\=[rR]'+ skip=+\\\\\|\\'\|\\$+ excludenl end=+'+ end=+$+ keepend contains=pythonRawEscape,@Spell
+  syn region pythonRawString  start=+[bB]\=[rR]"+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end=+$+ keepend contains=pythonRawEscape,@Spell
+  syn region pythonRawString  start=+[bB]\=[rR]"""+ end=+"""+ keepend contains=pythonDocTest2,pythonSpaceError,@Spell
+  syn region pythonRawString  start=+[bB]\=[rR]'''+ end=+'''+ keepend contains=pythonDocTest,pythonSpaceError,@Spell
+else
+  syn region pythonRawString  start=+[rR]'+ skip=+\\\\\|\\'\|\\$+ excludenl end=+'+ end=+$+ keepend contains=pythonRawEscape,@Spell
+  syn region pythonRawString  start=+[rR]"+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end=+$+ keepend contains=pythonRawEscape,@Spell
+  syn region pythonRawString  start=+[rR]"""+ end=+"""+ keepend contains=pythonDocTest2,pythonSpaceError,@Spell
+  syn region pythonRawString  start=+[rR]'''+ end=+'''+ keepend contains=pythonDocTest,pythonSpaceError,@Spell
+
+  syn region pythonRawBytes  start=+[bB][rR]'+ skip=+\\\\\|\\'\|\\$+ excludenl end=+'+ end=+$+ keepend contains=pythonRawEscape,@Spell
+  syn region pythonRawBytes  start=+[bB][rR]"+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end=+$+ keepend contains=pythonRawEscape,@Spell
+  syn region pythonRawBytes  start=+[bB][rR]"""+ end=+"""+ keepend contains=pythonDocTest2,pythonSpaceError,@Spell
+  syn region pythonRawBytes  start=+[bB][rR]'''+ end=+'''+ keepend contains=pythonDocTest,pythonSpaceError,@Spell
+endif
+
+syn match pythonRawEscape +\\['"]+ display transparent contained
+
+if s:Enabled("g:python_highlight_string_formatting")
+  " % operator string formatting
+  if s:Python2Syntax()
+    syn match pythonStrFormatting	"%\%(([^)]\+)\)\=[-#0 +]*\d*\%(\.\d\+\)\=[hlL]\=[diouxXeEfFgGcrs%]" contained containedin=pythonString,pythonUniString,pythonUniRawString,pythonRawString
+    syn match pythonStrFormatting	"%[-#0 +]*\%(\*\|\d\+\)\=\%(\.\%(\*\|\d\+\)\)\=[hlL]\=[diouxXeEfFgGcrs%]" contained containedin=pythonString,pythonUniString,pythonUniRawString,pythonRawString
+  else
+    syn match pythonStrFormatting	"%\%(([^)]\+)\)\=[-#0 +]*\d*\%(\.\d\+\)\=[hlL]\=[diouxXeEfFgGcrs%]" contained containedin=pythonString,pythonRawString
+    syn match pythonStrFormatting	"%[-#0 +]*\%(\*\|\d\+\)\=\%(\.\%(\*\|\d\+\)\)\=[hlL]\=[diouxXeEfFgGcrs%]" contained containedin=pythonString,pythonRawString
+  endif
+endif
+
+if s:Enabled("g:python_highlight_string_format")
   " str.format syntax
-  syn match pythonStrFormat "{{\|}}" contained containedin=pythonString,pythonUniString,pythonRawString,pythonUniRawString
-  syn match pythonStrFormat	"{\([a-zA-Z_][a-zA-Z0-9_]*\|\d\+\)\(\.[a-zA-Z_][a-zA-Z0-9_]*\|\[\(\d\+\|[^!:\}]\+\)\]\)*\(![rs]\)\=\(:\({\([a-zA-Z_][a-zA-Z0-9_]*\|\d\+\)}\|\([^}]\=[<>=^]\)\=[ +-]\=#\=0\=\d*\(\.\d\+\)\=[bcdeEfFgGnoxX%]\=\)\=\)\=}" contained containedin=pythonString,pythonUniString,pythonRawString,pythonUniRawString
+  if s:Python2Syntax()
+    syn match pythonStrFormat "{{\|}}" contained containedin=pythonString,pythonUniString,pythonUniRawString,pythonRawString
+    syn match pythonStrFormat	"{\%(\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*\|\d\+\)\=\%(\.\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*\|\[\%(\d\+\|[^!:\}]\+\)\]\)*\%(![rsa]\)\=\%(:\%({\%(\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*\|\d\+\)}\|\%([^}]\=[<>=^]\)\=[ +-]\=#\=0\=\d*,\=\%(\.\d\+\)\=[bcdeEfFgGnosxX%]\=\)\=\)\=}" contained containedin=pythonString,pythonUniString,pythonUniRawString,pythonRawString
+  else
+    syn match pythonStrFormat "{{\|}}" contained containedin=pythonString,pythonRawString
+    syn match pythonStrFormat	"{\%(\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*\|\d\+\)\=\%(\.\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*\|\[\%(\d\+\|[^!:\}]\+\)\]\)*\%(![rsa]\)\=\%(:\%({\%(\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*\|\d\+\)}\|\%([^}]\=[<>=^]\)\=[ +-]\=#\=0\=\d*,\=\%(\.\d\+\)\=[bcdeEfFgGnosxX%]\=\)\=\)\=}" contained containedin=pythonString,pythonRawString
+  endif
 endif
 
-if exists("python_highlight_string_templates") && python_highlight_string_templates != 0
-  " String templates
-  syn match pythonStrTemplate	"\$\$" contained containedin=pythonString,pythonUniString,pythonRawString,pythonUniRawString
-  syn match pythonStrTemplate	"\${[a-zA-Z_][a-zA-Z0-9_]*}" contained containedin=pythonString,pythonUniString,pythonRawString,pythonUniRawString
-  syn match pythonStrTemplate	"\$[a-zA-Z_][a-zA-Z0-9_]*" contained containedin=pythonString,pythonUniString,pythonRawString,pythonUniRawString
+if s:Enabled("g:python_highlight_string_templates")
+  " string.Template format
+  if s:Python2Syntax()
+    syn match pythonStrTemplate	"\$\$" contained containedin=pythonString,pythonUniString,pythonUniRawString,pythonRawString
+    syn match pythonStrTemplate	"\${[a-zA-Z_][a-zA-Z0-9_]*}" contained containedin=pythonString,pythonUniString,pythonUniRawString,pythonRawString
+    syn match pythonStrTemplate	"\$[a-zA-Z_][a-zA-Z0-9_]*" contained containedin=pythonString,pythonUniString,pythonUniRawString,pythonRawString
+  else
+    syn match pythonStrTemplate	"\$\$" contained containedin=pythonString,pythonRawString
+    syn match pythonStrTemplate	"\${[a-zA-Z_][a-zA-Z0-9_]*}" contained containedin=pythonString,pythonRawString
+    syn match pythonStrTemplate	"\$[a-zA-Z_][a-zA-Z0-9_]*" contained containedin=pythonString,pythonRawString
+  endif
 endif
 
-if exists("python_highlight_doctests") && python_highlight_doctests != 0
+if s:Enabled("g:python_highlight_doctests")
   " DocTests
   syn region pythonDocTest	start="^\s*>>>" end=+'''+he=s-1 end="^\s*$" contained
   syn region pythonDocTest2	start="^\s*>>>" end=+"""+he=s-1 end="^\s*$" contained
 endif
 
+"
 " Numbers (ints, longs, floats, complex)
-syn match   pythonHexError	"\<0[xX]\x*[g-zG-Z]\x*[lL]\=\>" display
+"
 
-syn match   pythonHexNumber	"\<0[xX]\x\+[lL]\=\>" display
-syn match   pythonOctNumber "\<0[oO]\o\+[lL]\=\>" display
-syn match   pythonBinNumber "\<0[bB][01]\+[lL]\=\>" display
+if s:Python2Syntax()
+  syn match   pythonHexError	"\<0[xX]\x*[g-zG-Z]\+\x*[lL]\=\>" display
+  syn match   pythonOctError	"\<0[oO]\=\o*\D\+\d*[lL]\=\>" display
+  syn match   pythonBinError	"\<0[bB][01]*\D\+\d*[lL]\=\>" display
 
-syn match   pythonNumber	"\<\d\+[lLjJ]\=\>" display
+  syn match   pythonHexNumber	"\<0[xX]\x\+[lL]\=\>" display
+  syn match   pythonOctNumber "\<0[oO]\o\+[lL]\=\>" display
+  syn match   pythonBinNumber "\<0[bB][01]\+[lL]\=\>" display
 
-syn match   pythonFloat		"\.\d\+\([eE][+-]\=\d\+\)\=[jJ]\=\>" display
+  syn match   pythonNumberError	"\<\d\+\D[lL]\=\>" display
+  syn match   pythonNumber	"\<\d[lL]\=\>" display
+  syn match   pythonNumber	"\<[0-9]\d\+[lL]\=\>" display
+  syn match   pythonNumber	"\<\d\+[lLjJ]\>" display
+
+  syn match   pythonOctError	"\<0[oO]\=\o*[8-9]\d*[lL]\=\>" display
+  syn match   pythonBinError	"\<0[bB][01]*[2-9]\d*[lL]\=\>" display
+else
+  syn match   pythonHexError	"\<0[xX]\x*[g-zG-Z]\x*\>" display
+  syn match   pythonOctError	"\<0[oO]\=\o*\D\+\d*\>" display
+  syn match   pythonBinError	"\<0[bB][01]*\D\+\d*\>" display
+
+  syn match   pythonHexNumber	"\<0[xX]\x\+\>" display
+  syn match   pythonOctNumber "\<0[oO]\o\+\>" display
+  syn match   pythonBinNumber "\<0[bB][01]\+\>" display
+
+  syn match   pythonNumberError	"\<\d\+\D\>" display
+  syn match   pythonNumberError	"\<0\d\+\>" display
+  syn match   pythonNumber	"\<\d\>" display
+  syn match   pythonNumber	"\<[1-9]\d\+\>" display
+  syn match   pythonNumber	"\<\d\+[jJ]\>" display
+
+  syn match   pythonOctError	"\<0[oO]\=\o*[8-9]\d*\>" display
+  syn match   pythonBinError	"\<0[bB][01]*[2-9]\d*\>" display
+endif
+
+syn match   pythonFloat		"\.\d\+\%([eE][+-]\=\d\+\)\=[jJ]\=\>" display
 syn match   pythonFloat		"\<\d\+[eE][+-]\=\d\+[jJ]\=\>" display
-syn match   pythonFloat		"\<\d\+\.\d*\([eE][+-]\=\d\+\)\=[jJ]\=" display
+syn match   pythonFloat		"\<\d\+\.\d*\%([eE][+-]\=\d\+\)\=[jJ]\=" display
 
-syn match   pythonOctError	"\<0[oO]\=\o*[8-9]\d*[lL]\=\>" display
-syn match   pythonBinError	"\<0[bB][01]*[2-9]\d*[lL]\=\>" display
+"
+" Builtin objects and types
+"
 
-if exists("python_highlight_builtin_objs") && python_highlight_builtin_objs != 0
-  " Builtin objects and types
-  syn keyword pythonBuiltinObj	True False Ellipsis None NotImplemented
+if s:Enabled("g:python_highlight_builtin_objs")
+  if s:Python2Syntax()
+    syn keyword pythonBuiltinObj	True False None
+  endif
+  syn keyword pythonBuiltinObj	Ellipsis NotImplemented
   syn keyword pythonBuiltinObj	__debug__ __doc__ __file__ __name__ __package__
 endif
 
-if exists("python_highlight_builtin_funcs") && python_highlight_builtin_funcs != 0
-  " Builtin functions
-  syn keyword pythonBuiltinFunc	__import__ abs all any apply
-  syn keyword pythonBuiltinFunc	basestring bin bool buffer bytearray bytes callable
-  syn keyword pythonBuiltinFunc	chr classmethod cmp coerce compile complex
+"
+" Builtin functions
+"
+
+if s:Enabled("g:python_highlight_builtin_funcs")
+  if s:Python2Syntax()
+    syn keyword pythonBuiltinFunc	apply basestring buffer callable coerce
+    syn keyword pythonBuiltinFunc	execfile file help intern long raw_input
+    syn keyword pythonBuiltinFunc	reduce reload unichr unicode xrange
+    if s:Enabled("g:python_print_as_function")
+      syn keyword pythonBuiltinFunc	print
+    endif
+  else
+    syn keyword pythonBuiltinFunc	ascii exec memoryview print
+  endif
+  syn keyword pythonBuiltinFunc	__import__ abs all any
+  syn keyword pythonBuiltinFunc	bin bool bytearray bytes
+  syn keyword pythonBuiltinFunc	chr classmethod cmp compile complex
   syn keyword pythonBuiltinFunc	delattr dict dir divmod enumerate eval
-  syn keyword pythonBuiltinFunc	execfile file filter float format frozenset getattr
-  syn keyword pythonBuiltinFunc	globals hasattr hash help hex id
-  syn keyword pythonBuiltinFunc	input int intern isinstance
-  syn keyword pythonBuiltinFunc	issubclass iter len list locals long map max
+  syn keyword pythonBuiltinFunc	filter float format frozenset getattr
+  syn keyword pythonBuiltinFunc	globals hasattr hash hex id
+  syn keyword pythonBuiltinFunc	input int isinstance
+  syn keyword pythonBuiltinFunc	issubclass iter len list locals map max
   syn keyword pythonBuiltinFunc	min next object oct open ord
   syn keyword pythonBuiltinFunc	pow property range
-  syn keyword pythonBuiltinFunc	raw_input reduce reload repr
-  syn keyword pythonBuiltinFunc	reversed round set setattr
+  syn keyword pythonBuiltinFunc	repr reversed round set setattr
   syn keyword pythonBuiltinFunc	slice sorted staticmethod str sum super tuple
-  syn keyword pythonBuiltinFunc	type unichr unicode vars xrange zip
-
-  if exists("python_print_as_function") && python_print_as_function != 0
-      syn keyword pythonBuiltinFunc	print
-  endif
+  syn keyword pythonBuiltinFunc	type vars zip
 endif
 
-if exists("python_highlight_exceptions") && python_highlight_exceptions != 0
-  " Builtin exceptions and warnings
+"
+" Builtin exceptions and warnings
+"
+
+if s:Enabled("g:python_highlight_exceptions")
+  if s:Python2Syntax()
+    syn keyword pythonExClass	StandardError
+  else
+    syn keyword pythonExClass	BlockingIOError ChildProcessError
+    syn keyword pythonExClass	ConnectionError BrokenPipeError
+    syn keyword pythonExClass	ConnectionAbortedError ConnectionRefusedError
+    syn keyword pythonExClass	ConnectionResetError FileExistsError
+    syn keyword pythonExClass	FileNotFoundError InterruptedError
+    syn keyword pythonExClass	IsADirectoryError NotADirectoryError
+    syn keyword pythonExClass	PermissionError ProcessLookupError TimeoutError
+
+    syn keyword pythonExClass	ResourceWarning
+  endif
   syn keyword pythonExClass	BaseException
-  syn keyword pythonExClass	Exception StandardError ArithmeticError
+  syn keyword pythonExClass	Exception ArithmeticError
   syn keyword pythonExClass	LookupError EnvironmentError
 
   syn keyword pythonExClass	AssertionError AttributeError BufferError EOFError
   syn keyword pythonExClass	ImportWarning UnicodeWarning
 endif
 
-if exists("python_slow_sync") && python_slow_sync != 0
+if s:Enabled("g:python_slow_sync")
   syn sync minlines=2000
 else
   " This is fast but code inside triple quoted strings screws it up. It
     command -nargs=+ HiLink hi def link <args>
   endif
 
-  HiLink pythonStatement	Statement
-  HiLink pythonPreCondit	Statement
-  HiLink pythonFunction		Function
-  HiLink pythonConditional	Conditional
-  HiLink pythonRepeat		Repeat
-  HiLink pythonException	Exception
-  HiLink pythonOperator		Operator
-
-  HiLink pythonDecorator	Define
-  HiLink pythonDottedName	Function
-  HiLink pythonDot          Normal
-
-  HiLink pythonComment		Comment
-  HiLink pythonCoding		Special
-  HiLink pythonRun		Special
-  HiLink pythonTodo		Todo
-
-  HiLink pythonError		Error
-  HiLink pythonIndentError	Error
-  HiLink pythonSpaceError	Error
-
-  HiLink pythonString		String
-  HiLink pythonUniString	String
-  HiLink pythonRawString	String
-  HiLink pythonUniRawString	String
-
-  HiLink pythonEscape			Special
-  HiLink pythonEscapeError		Error
-  HiLink pythonUniEscape		Special
-  HiLink pythonUniEscapeError		Error
-  HiLink pythonUniRawEscape		Special
-  HiLink pythonUniRawEscapeError	Error
-
-  HiLink pythonStrFormatting	Special
-  HiLink pythonStrFormat    	Special
-  HiLink pythonStrTemplate	    Special
-
-  HiLink pythonDocTest		Special
-  HiLink pythonDocTest2		Special
-
-  HiLink pythonNumber		Number
-  HiLink pythonHexNumber	Number
-  HiLink pythonOctNumber	Number
-  HiLink pythonBinNumber	Number
-  HiLink pythonFloat		Float
-  HiLink pythonOctError	    Error
-  HiLink pythonHexError		Error
-  HiLink pythonBinError		Error
-
-  HiLink pythonBuiltinObj	Structure
-  HiLink pythonBuiltinFunc	Function
-
-  HiLink pythonExClass	Structure
+  HiLink pythonStatement        Statement
+  HiLink pythonPreCondit        Statement
+  HiLink pythonFunction         Function
+  HiLink pythonConditional      Conditional
+  HiLink pythonRepeat           Repeat
+  HiLink pythonException        Exception
+  HiLink pythonOperator         Operator
+
+  HiLink pythonDecorator        Define
+  HiLink pythonDottedName       Function
+  HiLink pythonDot              Normal
+
+  HiLink pythonComment          Comment
+  HiLink pythonCoding           Special
+  HiLink pythonRun              Special
+  HiLink pythonTodo             Todo
+
+  HiLink pythonError            Error
+  HiLink pythonIndentError      Error
+  HiLink pythonSpaceError       Error
+
+  HiLink pythonString           String
+  HiLink pythonRawString        String
+
+  HiLink pythonUniEscape        Special
+  HiLink pythonUniEscapeError   Error
+
+  if s:Python2Syntax()
+    HiLink pythonUniString          String
+    HiLink pythonUniRawString       String
+    HiLink pythonUniRawEscape       Special
+    HiLink pythonUniRawEscapeError  Error
+  else
+    HiLink pythonBytes              String
+    HiLink pythonRawBytes           String
+    HiLink pythonBytesContent       String
+    HiLink pythonBytesError         Error
+    HiLink pythonBytesEscape        Special
+    HiLink pythonBytesEscapeError   Error
+  endif
+
+  HiLink pythonStrFormatting    Special
+  HiLink pythonStrFormat        Special
+  HiLink pythonStrTemplate      Special
+
+  HiLink pythonDocTest          Special
+  HiLink pythonDocTest2         Special
+
+  HiLink pythonNumber           Number
+  HiLink pythonHexNumber        Number
+  HiLink pythonOctNumber        Number
+  HiLink pythonBinNumber        Number
+  HiLink pythonFloat            Float
+  HiLink pythonNumberError      Error
+  HiLink pythonOctError         Error
+  HiLink pythonHexError         Error
+  HiLink pythonBinError         Error
+
+  HiLink pythonBuiltinObj       Structure
+  HiLink pythonBuiltinFunc      Function
+
+  HiLink pythonExClass          Structure
 
   delcommand HiLink
 endif

python3.0.vim

-" Vim syntax file
-" Language:     Python
-" Maintainer:	Dmitry Vasiliev <dima at hlabs dot org>
-" URL:		    https://github.com/hdima/vim-scripts/blob/master/syntax/python/python3.0.vim
-" Last Change:	2012-02-11
-" Filenames:	*.py
-" Version:	    3.0.7
-"
-" Based on python.vim (from Vim 6.1 distribution)
-" by Neil Schemenauer <nas at python dot ca>
-"
-" Thanks:
-"
-"    Jeroen Ruigrok van der Werven
-"        for the idea to highlight erroneous operators
-"    Pedro Algarvio
-"        for the patch to enable spell checking only for the right spots
-"        (strings and comments)
-"    John Eikenberry
-"        for the patch fixing small typo
-"    Caleb Adamantine
-"        for the patch fixing highlighting for decorators
-"    Andrea Riciputi
-"        for the patch with new configuration options
-"    Anton Butanaev
-"        for the patch fixing bytes literals highlighting
-"        for the patch fixing str.format syntax highlighting
-
-"
-" Options:
-"
-"    For set option do: let OPTION_NAME = 1
-"    For clear option do: let OPTION_NAME = 0
-"
-" Option names:
-"
-"    For highlight builtin functions:
-"       python_highlight_builtins
-"
-"    For highlight builtin objects:
-"       python_highlight_builtin_objs
-"
-"    For highlight builtin funtions:
-"       python_highlight_builtin_funcs
-"
-"    For highlight standard exceptions:
-"       python_highlight_exceptions
-"
-"    For highlight string formatting:
-"       python_highlight_string_formatting
-"
-"    For highlight str.format syntax:
-"       python_highlight_string_format
-"
-"    For highlight string.Template syntax:
-"       python_highlight_string_templates
-"
-"    For highlight indentation errors:
-"       python_highlight_indent_errors
-"
-"    For highlight trailing spaces:
-"       python_highlight_space_errors
-"
-"    For highlight doc-tests:
-"       python_highlight_doctests
-"
-"    If you want all Python highlightings above:
-"       python_highlight_all
-"    (This option not override previously set options)
-"
-"    For fast machines:
-"       python_slow_sync
-
-" For version 5.x: Clear all syntax items
-" For version 6.x: Quit when a syntax file was already loaded
-if version < 600
-  syntax clear
-elseif exists("b:current_syntax")
-  finish
-endif
-
-if exists("python_highlight_all") && python_highlight_all != 0
-  " Not override previously set options
-  if !exists("python_highlight_builtins")
-    if !exists("python_highlight_builtin_objs")
-      let python_highlight_builtin_objs = 1
-    endif
-    if !exists("python_highlight_builtin_funcs")
-      let python_highlight_builtin_funcs = 1
-    endif
-  endif
-  if !exists("python_highlight_exceptions")
-    let python_highlight_exceptions = 1
-  endif
-  if !exists("python_highlight_string_formatting")
-    let python_highlight_string_formatting = 1
-  endif
-  if !exists("python_highlight_string_format")
-    let python_highlight_string_format = 1
-  endif
-  if !exists("python_highlight_string_templates")
-    let python_highlight_string_templates = 1
-  endif
-  if !exists("python_highlight_indent_errors")
-    let python_highlight_indent_errors = 1
-  endif
-  if !exists("python_highlight_space_errors")
-    let python_highlight_space_errors = 1
-  endif
-  if !exists("python_highlight_doctests")
-    let python_highlight_doctests = 1
-  endif
-endif
-
-" Keywords
-syn keyword pythonStatement	break continue del
-syn keyword pythonStatement	exec return as
-syn keyword pythonStatement	pass raise
-syn keyword pythonStatement	global assert
-syn keyword pythonStatement	lambda yield
-syn keyword pythonStatement	with nonlocal
-syn keyword pythonStatement	False None True
-syn keyword pythonStatement	def class nextgroup=pythonFunction skipwhite
-syn match   pythonFunction	"\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*" display contained
-syn keyword pythonRepeat	for while
-syn keyword pythonConditional	if elif else
-syn keyword pythonPreCondit	import from
-syn keyword pythonException	try except finally
-syn keyword pythonOperator	and in is not or
-
-" Decorators (new in Python 2.4)
-syn match   pythonDecorator	"@" display nextgroup=pythonDottedName skipwhite
-syn match   pythonDottedName "[a-zA-Z_][a-zA-Z0-9_]*\(\.[a-zA-Z_][a-zA-Z0-9_]*\)*" display contained
-syn match   pythonDot        "\." display containedin=pythonDottedName
-
-" Comments
-syn match   pythonComment	"#.*$" display contains=pythonTodo,@Spell
-syn match   pythonRun		"\%^#!.*$"
-syn match   pythonCoding	"\%^.*\%(\n.*\)\?#.*coding[:=]\s*[0-9A-Za-z-_.]\+.*$"
-syn keyword pythonTodo		TODO FIXME XXX contained
-
-" Errors
-syn match pythonError		"\<\d\+\D\+\>" display
-syn match pythonError		"[$?]" display
-syn match pythonError		"[&|]\{2,}" display
-syn match pythonError		"[=]\{3,}" display
-
-" TODO: Mixing spaces and tabs also may be used for pretty formatting multiline
-" statements. For now I don't know how to work around this.
-if exists("python_highlight_indent_errors") && python_highlight_indent_errors != 0
-  syn match pythonIndentError	"^\s*\%( \t\|\t \)\s*\S"me=e-1 display
-endif
-
-" Trailing space errors
-if exists("python_highlight_space_errors") && python_highlight_space_errors != 0
-  syn match pythonSpaceError	"\s\+$" display
-endif
-
-" Strings
-syn region pythonString		start=+'+ skip=+\\\\\|\\'\|\\$+ excludenl end=+'+ end=+$+ keepend contains=pythonEscape,pythonEscapeError,@Spell
-syn region pythonString		start=+"+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end=+$+ keepend contains=pythonEscape,pythonEscapeError,@Spell
-syn region pythonString		start=+"""+ end=+"""+ keepend contains=pythonEscape,pythonEscapeError,pythonDocTest2,pythonSpaceError,@Spell
-syn region pythonString		start=+'''+ end=+'''+ keepend contains=pythonEscape,pythonEscapeError,pythonDocTest,pythonSpaceError,@Spell
-
-syn match  pythonEscape		    +\\[abfnrtv'"\\]+ display contained
-syn match  pythonEscape		    "\\\o\o\=\o\=" display contained
-syn match  pythonEscapeError	"\\\o\{,2}[89]" display contained
-syn match  pythonEscape		    "\\x\x\{2}" display contained
-syn match  pythonEscapeError	"\\x\x\=\X" display contained
-syn match  pythonEscape		    "\\$"
-syn match  pythonEscape         "\\u\x\{4}" display contained
-syn match  pythonEscapeError	"\\u\x\{,3}\X" display contained
-syn match  pythonEscape	        "\\U\x\{8}" display contained
-syn match  pythonEscapeError	"\\U\x\{,7}\X" display contained
-syn match  pythonEscape	        "\\N{[A-Z ]\+}" display contained
-syn match  pythonEscapeError	"\\N{[^A-Z ]\+}" display contained
-
-" Raw strings
-syn region pythonRawString	start=+[bB]\=[rR]'+ skip=+\\\\\|\\'\|\\$+ excludenl end=+'+ end=+$+ keepend contains=pythonRawEscape,@Spell
-syn region pythonRawString	start=+[bB]\=[rR]"+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end=+$+ keepend contains=pythonRawEscape,@Spell
-syn region pythonRawString	start=+[bB]\=[rR]"""+ end=+"""+ keepend contains=pythonDocTest2,pythonSpaceError,@Spell
-syn region pythonRawString	start=+[bB]\=[rR]'''+ end=+'''+ keepend contains=pythonDocTest,pythonSpaceError,@Spell
-
-syn match pythonRawEscape	+\\['"]+ display transparent contained
-
-" Bytes
-syn region pythonBytes		start=+[bB]'+ skip=+\\\\\|\\'\|\\$+ excludenl end=+'+ end=+$+ keepend contains=pythonBytesError,pythonBytesContent,@Spell
-syn region pythonBytes		start=+[bB]"+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end=+$+ keepend contains=pythonBytesError,pythonBytesContent,@Spell
-syn region pythonBytes		start=+[bB]"""+ end=+"""+ keepend contains=pythonBytesError,pythonBytesContent,pythonDocTest2,pythonSpaceError,@Spell
-syn region pythonBytes		start=+[bB]'''+ end=+'''+ keepend contains=pythonBytesError,pythonBytesContent,pythonDocTest,pythonSpaceError,@Spell
-
-syn match pythonBytesError    ".\+" display contained
-syn match pythonBytesContent    "[\u0000-\u00ff]\+" display contained contains=pythonBytesEscape,pythonBytesEscapeError
-
-syn match pythonBytesEscape	    +\\[abfnrtv'"\\]+ display contained
-syn match pythonBytesEscape	    "\\\o\o\=\o\=" display contained
-syn match pythonBytesEscapeError	"\\\o\{,2}[89]" display contained
-syn match pythonBytesEscape	    "\\x\x\{2}" display contained
-syn match pythonBytesEscapeError	"\\x\x\=\X" display contained
-syn match pythonBytesEscape	    "\\$"
-
-if exists("python_highlight_string_formatting") && python_highlight_string_formatting != 0
-  " String formatting
-  syn match pythonStrFormatting	"%\%(([^)]\+)\)\=[-#0 +]*\d*\%(\.\d\+\)\=[hlL]\=[diouxXeEfFgGcrs%]" contained containedin=pythonString,pythonRawString
-  syn match pythonStrFormatting	"%[-#0 +]*\%(\*\|\d\+\)\=\%(\.\%(\*\|\d\+\)\)\=[hlL]\=[diouxXeEfFgGcrs%]" contained containedin=pythonString,pythonRawString
-endif
-
-if exists("python_highlight_string_format") && python_highlight_string_format != 0
-  " str.format syntax
-  syn match pythonStrFormat "{{\|}}" contained containedin=pythonString,pythonRawString
-  syn match pythonStrFormat	"{\%(\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*\|\d\+\)\=\%(\.\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*\|\[\%(\d\+\|[^!:\}]\+\)\]\)*\%(![rsa]\)\=\%(:\%({\%(\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*\|\d\+\)}\|\%([^}]\=[<>=^]\)\=[ +-]\=#\=0\=\d*,\=\%(\.\d\+\)\=[bcdeEfFgGnosxX%]\=\)\=\)\=}" contained containedin=pythonString,pythonRawString
-endif
-
-if exists("python_highlight_string_templates") && python_highlight_string_templates != 0
-  " String templates
-  syn match pythonStrTemplate	"\$\$" contained containedin=pythonString,pythonRawString
-  syn match pythonStrTemplate	"\${[a-zA-Z_][a-zA-Z0-9_]*}" contained containedin=pythonString,pythonRawString
-  syn match pythonStrTemplate	"\$[a-zA-Z_][a-zA-Z0-9_]*" contained containedin=pythonString,pythonRawString
-endif
-
-if exists("python_highlight_doctests") && python_highlight_doctests != 0
-  " DocTests
-  syn region pythonDocTest	start="^\s*>>>" end=+'''+he=s-1 end="^\s*$" contained
-  syn region pythonDocTest2	start="^\s*>>>" end=+"""+he=s-1 end="^\s*$" contained
-endif
-
-" Numbers (ints, longs, floats, complex)
-syn match   pythonHexError	"\<0[xX]\x*[g-zG-Z]\x*\>" display
-
-syn match   pythonHexNumber	"\<0[xX]\x\+\>" display
-syn match   pythonOctNumber "\<0[oO]\o\+\>" display
-syn match   pythonBinNumber "\<0[bB][01]\+\>" display
-
-syn match   pythonNumberError	"\<\d\+\D\>" display
-syn match   pythonNumberError	"\<0\d\+\>" display
-syn match   pythonNumber	"\<\d\>" display
-syn match   pythonNumber	"\<[1-9]\d\+\>" display
-syn match   pythonNumber	"\<\d\+[jJ]\>" display
-
-syn match   pythonFloat		"\.\d\+\%([eE][+-]\=\d\+\)\=[jJ]\=\>" display
-syn match   pythonFloat		"\<\d\+[eE][+-]\=\d\+[jJ]\=\>" display
-syn match   pythonFloat		"\<\d\+\.\d*\%([eE][+-]\=\d\+\)\=[jJ]\=" display
-
-syn match   pythonOctError	"\<0[oO]\=\o*[8-9]\d*\>" display
-syn match   pythonBinError	"\<0[bB][01]*[2-9]\d*\>" display
-
-if exists("python_highlight_builtin_objs") && python_highlight_builtin_objs != 0
-  " Builtin objects and types
-  syn keyword pythonBuiltinObj	Ellipsis NotImplemented
-  syn keyword pythonBuiltinObj	__debug__ __doc__ __file__ __name__ __package__
-endif
-
-if exists("python_highlight_builtin_funcs") && python_highlight_builtin_funcs != 0
-  " Builtin functions
-  syn keyword pythonBuiltinFunc	__import__ abs all any ascii
-  syn keyword pythonBuiltinFunc	bin bool bytearray bytes
-  syn keyword pythonBuiltinFunc	chr classmethod cmp compile complex
-  syn keyword pythonBuiltinFunc	delattr dict dir divmod enumerate eval
-  syn keyword pythonBuiltinFunc	exec filter float format frozenset getattr
-  syn keyword pythonBuiltinFunc	globals hasattr hash hex id
-  syn keyword pythonBuiltinFunc	input int isinstance
-  syn keyword pythonBuiltinFunc	issubclass iter len list locals map max
-  syn keyword pythonBuiltinFunc	memoryview min next object oct open ord
-  syn keyword pythonBuiltinFunc	pow print property range
-  syn keyword pythonBuiltinFunc	repr reversed round set setattr
-  syn keyword pythonBuiltinFunc	slice sorted staticmethod str sum super tuple
-  syn keyword pythonBuiltinFunc	type vars zip
-endif
-
-if exists("python_highlight_exceptions") && python_highlight_exceptions != 0
-  " Builtin exceptions and warnings
-  syn keyword pythonExClass	BaseException
-  syn keyword pythonExClass	Exception ArithmeticError
-  syn keyword pythonExClass	LookupError EnvironmentError
-
-  syn keyword pythonExClass	AssertionError AttributeError BufferError EOFError
-  syn keyword pythonExClass	FloatingPointError GeneratorExit IOError
-  syn keyword pythonExClass	ImportError IndexError KeyError
-  syn keyword pythonExClass	KeyboardInterrupt MemoryError NameError
-  syn keyword pythonExClass	NotImplementedError OSError OverflowError
-  syn keyword pythonExClass	ReferenceError RuntimeError StopIteration
-  syn keyword pythonExClass	SyntaxError IndentationError TabError
-  syn keyword pythonExClass	SystemError SystemExit TypeError
-  syn keyword pythonExClass	UnboundLocalError UnicodeError
-  syn keyword pythonExClass	UnicodeEncodeError UnicodeDecodeError
-  syn keyword pythonExClass	UnicodeTranslateError ValueError VMSError
-  syn keyword pythonExClass	WindowsError ZeroDivisionError
-
-  syn keyword pythonExClass	Warning UserWarning BytesWarning DeprecationWarning
-  syn keyword pythonExClass	PendingDepricationWarning SyntaxWarning
-  syn keyword pythonExClass	RuntimeWarning FutureWarning
-  syn keyword pythonExClass	ImportWarning UnicodeWarning
-endif
-
-if exists("python_slow_sync") && python_slow_sync != 0
-  syn sync minlines=2000
-else
-  " This is fast but code inside triple quoted strings screws it up. It
-  " is impossible to fix because the only way to know if you are inside a
-  " triple quoted string is to start from the beginning of the file.
-  syn sync match pythonSync grouphere NONE "):$"
-  syn sync maxlines=200
-endif
-
-if version >= 508 || !exists("did_python_syn_inits")
-  if version <= 508
-    let did_python_syn_inits = 1
-    command -nargs=+ HiLink hi link <args>
-  else
-    command -nargs=+ HiLink hi def link <args>
-  endif
-
-  HiLink pythonStatement	Statement
-  HiLink pythonPreCondit	Statement
-  HiLink pythonFunction		Function
-  HiLink pythonConditional	Conditional
-  HiLink pythonRepeat		Repeat
-  HiLink pythonException	Exception
-  HiLink pythonOperator		Operator
-
-  HiLink pythonDecorator	Define
-  HiLink pythonDottedName	Function
-  HiLink pythonDot          Normal
-
-  HiLink pythonComment		Comment
-  HiLink pythonCoding		Special
-  HiLink pythonRun		Special
-  HiLink pythonTodo		Todo
-
-  HiLink pythonError		Error
-  HiLink pythonIndentError	Error
-  HiLink pythonSpaceError	Error
-
-  HiLink pythonString		String
-  HiLink pythonRawString	String
-  HiLink pythonEscape			Special
-  HiLink pythonEscapeError		Error
-
-  HiLink pythonBytes		    String
-  HiLink pythonBytesContent	    String
-  HiLink pythonBytesError	    Error
-  HiLink pythonBytesEscape		Special
-  HiLink pythonBytesEscapeError	Error
-
-  HiLink pythonStrFormatting	Special
-  HiLink pythonStrFormat    	Special
-  HiLink pythonStrTemplate	    Special
-
-  HiLink pythonDocTest		Special
-  HiLink pythonDocTest2		Special
-
-  HiLink pythonNumber		Number
-  HiLink pythonHexNumber	Number
-  HiLink pythonOctNumber	Number
-  HiLink pythonBinNumber	Number
-  HiLink pythonFloat		Float
-  HiLink pythonNumberError  Error
-  HiLink pythonOctError	    Error
-  HiLink pythonHexError		Error
-  HiLink pythonBinError		Error
-
-  HiLink pythonBuiltinObj	Structure
-  HiLink pythonBuiltinFunc	Function
-
-  HiLink pythonExClass	Structure
-
-  delcommand HiLink
-endif
-
-let b:current_syntax = "python"

test.py

 UnicodeTranslateError ValueError WindowsError ZeroDivisionError
 
 Warning UserWarning DeprecationWarning PendingDepricationWarning SyntaxWarning
-RuntimeWarning FutureWarning OverflowWarning ImportWarning UnicodeWarning
+RuntimeWarning FutureWarning ImportWarning UnicodeWarning
 
 # Decorators.
 
 # Formattings
 
 " %f "
+b" %f "
 
 "{0.name!r:b} {0[n]} {name!s:  } {{test}} {{}} {} {.__len__:s}"
+b"{0.name!r:b} {0[n]} {name!s:  } {{test}} {{}} {} {.__len__:s}"
 
 "${test} ${test ${test}aname $$$ $test+nope"
+b"${test} ${test ${test}aname $$$ $test+nope"
 
 # Doctests.