Significant Python highlighting improvements (mostly from https://code.google.com/p/nanosyntax/)

python.nanorc

@@ -1,35 +1,48 @@
 ## Here is an example for Python.
 ##
 syntax "python" "\.py$"
-icolor brightred "def [0-9A-Z_]+"
+header "^#!.*/(env +)?python( |$)"
 
+## built-in objects
+color cyan "\<(None|self)\>"
+## built-in attributes
+color cyan "\<(__builtin__|__dict__|__methods__|__members__|__class__|__bases__|__import__|__name__|__doc__|__self__|__debug__)\>"
+## built-in functions
+color cyan "\<(abs|append|apply|buffer|callable|chr|clear|close|closed|cmp|coerce|compile|complex|conjugate|copy|count|delattr|dir|divmod|eval|execfile|extend|fileno|filter|float|flush|get|getattr|globals|has_key|hasattr|hash|hex|id|index|input|insert|int|intern|isatty|isinstance|issubclass|items|keys|len|list|locals|long|map|max|min|mode|name|oct|open|ord|pop|pow|range|raw_input|read|readline|readlines|reduce|reload|remove|repr|reverse|round|seek|setattr|slice|softspace|sort|str|tell|truncate|tuple|type|unichr|unicode|update|values|vars|write|writelines|xrange|zip)\>"
+## special method names
+color cyan "\<(__abs__|__add__|__and__|__call__|__cmp__|__coerce__|__complex__|__concat__|__contains__|__del__|__delattr__|__delitem__|__delslice__|__div__|__divmod__|__float__|__getattr__|__getitem__|__getslice__|__hash__|__hex__|__init__|__int__|__inv__|__invert__|__len__|__long__|__lshift__|__mod__|__mul__|__neg__|__nonzero__|__oct__|__or__|__pos__|__pow__|__radd__|__rand__|__rcmp__|__rdiv__|__rdivmod__|__repeat__|__repr__|__rlshift__|__rmod__|__rmul__|__ror__|__rpow__|__rrshift__|__rshift__|__rsub__|__rxor__|__setattr__|__setitem__|__setslice__|__str__|__sub__|__xor__)\>"
+## exception classes
+# color cyan "\<(Exception|StandardError|ArithmeticError|LookupError|EnvironmentError|AssertionError|AttributeError|EOFError|FloatingPointError|IOError|ImportError|IndexError|KeyError|KeyboardInterrupt|MemoryError|NameError|NotImplementedError|OSError|OverflowError|RuntimeError|SyntaxError|SystemError|SystemExit|TypeError|UnboundLocalError|UnicodeError|ValueError|WindowsError|ZeroDivisionError)\>"
+## types
+color brightcyan "\<(NoneType|TypeType|IntType|LongType|FloatType|ComplexType|StringType|UnicodeType|BufferType|TupleType|ListType|DictType|FunctionType|LambdaType|CodeType|ClassType|UnboundMethodType|InstanceType|MethodType|BuiltinFunctionType|BuiltinMethodType|ModuleType|FileType|XRangeType|TracebackType|FrameType|SliceType|EllipsisType)\>"
+## definitions
+color brightcyan "def [a-zA-Z_0-9]+" 
+## keywords
+color brightblue "\<(and|as|assert|break|class|continue|def|del|elif|else|except|exec|finally|for|from|global|if|import|in|is|lambda|map|not|or|pass|print|raise|return|try|with|while|yield)\>" 
 
-
-#Keyword Color
-color green "\<(and|as|assert|class|def|del|elif|else|except|exec|finally|for|from|global|if|import|in|is|lambda|map|not|or|pass|print|raise|try|while|with|yield)\>"
-color brightmagenta "\<(continue|break|return)\>"
-
-# decorator color
+## decorators
 color brightgreen "@.*[(]"
 
-#Operator Color
-color yellow "[.:;,+*|=!\%@]" "<" ">" "/" "-" "&"
+## operators
+color magenta "[.:;,+*|=!\%@]" "<" ">" "/" "-" "&"
 
-#Parenthetical Color
+## parentheses
 color magenta "[(){}]" "\[" "\]"
 
-#String Color
-color cyan "['][^']*[^\\][']" "[']{3}.*[^\\][']{3}"
-color cyan "["][^"]*[^\\]["]" "["]{3}.*[^\\]["]{3}"
+## numbers
+color brightyellow "\b[0-9]+\b"
 
-color cyan start=""""[^"]" end=""""" start="'''[^']" end="'''"
+## strings
+color yellow "['][^']*[^\\][']" "[']{3}.*[^\\][']{3}"
+color yellow "["][^"]*[^\\]["]" "["]{3}.*[^\\]["]{3}"
+
+## comments
+color green "#.*$"
+
+## block comments
+color green start=""""([^"]|$)" end=""""" start="'''([^']|$)" end="'''"
 #color cyan start=""""[^"]" end=""""" start="'''[^']" end="'''"
 #color cyan start="([[:space:]]"""|^""")" end=""""" start="'''[^']" end="'''"
 #color cyan start=""""" end=""""" start="'''" end="'''"
 #color cyan start="("""[^"]|[^"]""")" end="("""[^"]|[^"]""")" start="'''[^']" end="'''"
 #color cyan start="\"\"\"" end="\"\"\""
-
-
-#Comment Color
-color brightblue "#.*$"
-