diff options
Diffstat (limited to 'pygments/lexers/python.py')
| -rw-r--r-- | pygments/lexers/python.py | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/pygments/lexers/python.py b/pygments/lexers/python.py index f2773e99..8d478c2a 100644 --- a/pygments/lexers/python.py +++ b/pygments/lexers/python.py @@ -9,9 +9,10 @@ """ import re +import keyword from pygments.lexer import Lexer, RegexLexer, include, bygroups, using, \ - default, words, combined, do_insertions + default, words, combined, do_insertions, this from pygments.util import get_bool_opt, shebang_matches from pygments.token import Text, Comment, Operator, Keyword, Name, String, \ Number, Punctuation, Generic, Other, Error @@ -110,6 +111,7 @@ class PythonLexer(RegexLexer): (r'\\\n', Text), (r'\\', Text), include('keywords'), + include('soft-keywords'), (r'(def)((?:\s|\\\s)+)', bygroups(Keyword, Text), 'funcname'), (r'(class)((?:\s|\\\s)+)', bygroups(Keyword, Text), 'classname'), (r'(from)((?:\s|\\\s)+)', bygroups(Keyword.Namespace, Text), @@ -207,6 +209,20 @@ class PythonLexer(RegexLexer): Keyword), (words(('True', 'False', 'None'), suffix=r'\b'), Keyword.Constant), ], + 'soft-keywords': [ + # `match`, `case` and `_` soft keywords + (r'(^[ \t]*)' # at beginning of line + possible indentation + r'(match|case)\b' # a possible keyword + r'(?![ \t]*(?:' # not followed by... + r'[:,;=^&|@~)\]}]|(?:' + # characters and keywords that mean this isn't + r'|'.join(keyword.kwlist) + r')\b))', # pattern matching + bygroups(Text, Keyword), 'soft-keywords-inner'), + ], + 'soft-keywords-inner': [ + # optional `_` keyword + (r'(\s+)([^\n_]*)(_\b)', bygroups(Text, using(this), Keyword)), + default('#pop') + ], 'builtins': [ (words(( '__import__', 'abs', 'all', 'any', 'bin', 'bool', 'bytearray', |