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/usr/share/joe/syntax/python.jsf is in joe 4.1-2.

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# JOE syntax highlight file for Python

=Idle
=Comment 	green
=Docstring	green
=DocstringLabel	bold green
=DocEscape	bold cyan
=Constant 	cyan
=Escape 	bold cyan
=Keyword 	bold
=Bad		bold red
=Brace		magenta

=PrivateMember	yellow #fg_310 # brown
=Decorator	red
=Declaration	bold blue

:idle Idle
	*		idle
	"#"		comment		recolor=-1
	"0-9"		first_digit	recolor=-1
	"'\""		string_quot_1	recolor=-1 save_c
	"\i"		ident		noeat
	"{}"		brace		recolor=-1
	"@"		decorator	recolor=-1

:brace Brace
	*		idle		noeat

# annotations
:decorator Decorator
	*		decorator
	" (\t\r\n"	idle		noeat

:comment Comment comment
	*		comment
	# might be TODO label
	"BFHNTX"	comment		noeat call=comment_todo.comment_todo()
	"\n"		idle

:first_digit Constant
	*		idle		noeat
	"xX"		hex
	"."		float
	"eE"		epart
	"0-9"		first_number

:hex Constant
	*		idle		noeat
	"0-9A-Fa-f"	hex

:first_number Constant
	*		idle		noeat
	"0-9"		first_number
	"."		float

:maybe_float Constant
	*		idle		recolor=-2	noeat
	"0-9"		float		recolor=-2

:float Constant
	*		idle		noeat
	"eE"		epart
	"0-9"		float

:epart Constant
	*		idle		noeat
	"0-9+\-"	enum

:enum Constant
	*		idle		noeat
	"0-9"		enum

:ident Idle
	*		ident1		noeat buffer
	"_"		priv_member	recolor=-1

:ident1 Idle
	*		idle		noeat strings
	"and"		kw
	"as"		kw
	"assert"	kw
	"break"		kw
	"class"		declkw
	"continue"	kw
	"def"		declkw
	"del"		kw
	"elif"		kw
	"else"		kw
	"except"	kw
	"exec"		kw
	"finally"	kw
	"for"		kw
	"from"		kw
	"global"	kw
	"if"		kw
	"import"	kw
	"in"		kw
	"is"		kw
	"lambda"	kw
	"not"		kw
	"or"		kw
	"pass"		kw
	"print"		kw
	"raise"		kw
	"return"	kw
	"try"		kw
	"while"		kw
	"with"		kw
	"yield"		kw
	
	# quasi-keywords
	"False"		lit
	"None"		lit
	"True"		lit
done
	"'\""		idle 		noeat istrings
	"u"		string_pre
	"b"		string_pre
	"r"		string_raw_pre
	"br"		string_raw_pre
	"rb"		string_raw_pre
done
	"\c"		ident1

:kw Keyword
	*		idle		noeat

:lit Keyword
	*		idle		noeat

:declkw Keyword
	*		idle 		noeat recolor=-1
	"\i"		declkw
	" \t"		declname_1

:declname_1 Declaration
	*		declname
	"_"		priv_member	recolor=-1

:declname Declaration
	*		idle		noeat recolor=-1
	"\c"		declname

:priv_member PrivateMember
	*		idle		noeat
	"\c"		priv_member

# Handle string prefixes up to the string itself.
:string_pre Constant
	*		idle noeat
	"'\""		string_quot_1 	save_c

:string_raw_pre Constant
	*		idle noeat
	"'\""		string_quot_raw_1 save_c

# Differentiate between docstrings and regular strings, carrying with it raw state
:string_quot_1 Constant
	*		idle call=.string() noeat
	&		string_quot_2

:string_quot_2 Constant
	*		idle noeat
	&		idle call=.string(docstring) recolor=-3

:string_quot_raw_1 Constant
	*		idle call=.string(raw)
	&		string_quot_raw_2

:string_quot_raw_2 Constant
	*		idle noeat
	&		idle call=.string(docstring raw) recolor=-3

.subr string

.ifdef docstring	# Long strings
:string Docstring string
	*		string
	"BFHNTX"	string		noeat call=.comment_todo_docstr()
.ifdef raw
.else
	"\\"		string_esc	mark
.endif
	&		doc_end_1

:doc_end_1 Docstring
	*		string noeat
	&		doc_end_2

:doc_end_2 Docstring
	*		string noeat
	&		string return

.else			# Short strings

:string Constant string
	*		string
	"\n"		string return
.ifdef raw
.else
	"\\"		string_esc mark
.endif
	&		string return

.endif

:string_esc Constant
	*		string_esc_done
	"x"		string_hex2
	"u"		string_hex4
	"U"		string_hex8
	"0-7"		string_octal2
	"\n"		string_esc_done

# Recolor whole escape sequence based on whether this is a docstring.
:string_esc_done Constant
	*		string_esc_really_done noeat markend recolormark

.ifdef docstring
:string_esc_really_done DocEscape
	*		string 		noeat
.else
:string_esc_really_done Escape
	*		string 		noeat
.endif

:string_hex1 Escape
	*		string_esc_done	noeat
	"0-9a-fA-F"	string_esc_done

:string_hex2 Escape
	*		string_esc_done	noeat
	"0-9a-fA-F"	string_hex1

:string_hex3 Escape
	*		string_esc_done	noeat
	"0-9a-fA-F"	string_hex2

:string_hex4 Escape
	*		string_esc_done	noeat
	"0-9a-fA-F"	string_hex3

:string_hex5 Escape
	*		string_esc_done	noeat
	"0-9a-fA-F"	string_hex4

:string_hex6 Escape
	*		string_esc_done	noeat
	"0-9a-fA-F"	string_hex5

:string_hex7 Escape
	*		string_esc_done	noeat
	"0-9a-fA-F"	string_hex6

:string_hex8 Escape
	*		string_esc_done	noeat
	"0-9a-fA-F"	string_hex7

:string_octal1 Escape
	*		string_esc_done	noeat
	"0-7"		string_esc_done

:string_octal2 Escape
	*		string_esc_done	noeat
	"0-7"		string_octal1

.end

.subr comment_todo_docstr
# initial state
:comment_todo_init Docstring
	*		comment_todo_guess	buffer

# highlight common TODO labels
:comment_todo_guess Docstring
	*		comment_todo_unknown	noeat strings
	"BUG"		comment_todo
	"FIXME"		comment_todo
	"HACK"		comment_todo
	"NOTE"		comment_todo
	"TODO"		comment_todo
	"XXX"		comment_todo
done
	"A-Z"		comment_todo_guess

:comment_todo_unknown Docstring
	*		NULL		noeat return

:comment_todo DocstringLabel
	*		NULL		noeat return
.end