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| author | Georg Brandl <georg@python.org> | 2014-03-16 19:24:23 +0100 |
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| committer | Georg Brandl <georg@python.org> | 2014-03-16 19:24:23 +0100 |
| commit | 37f118ebedd03947ba5b04dcd9ba21269cfa3a88 (patch) | |
| tree | 3bb01557dc71cd63c95e639752591234bd09ee33 /pygments | |
| parent | 2c2685b93bf0bf61216c36343d081f9f5bee0be2 (diff) | |
| parent | 5d7d06c133a6eb1a613171d0477931560b0d6d21 (diff) | |
| download | pygments-37f118ebedd03947ba5b04dcd9ba21269cfa3a88.tar.gz | |
merge
Diffstat (limited to 'pygments')
| -rw-r--r-- | pygments/lexers/__init__.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/pygments/lexers/__init__.py b/pygments/lexers/__init__.py index 7bcf3bf0..caedd479 100644 --- a/pygments/lexers/__init__.py +++ b/pygments/lexers/__init__.py @@ -82,6 +82,9 @@ def get_lexer_by_name(_alias, **options): """ Get a lexer by an alias. """ + if not _alias: + raise ClassNotFound('no lexer for alias %r found' % _alias) + # lookup builtin lexers for module_name, name, aliases, _, _ in itervalues(LEXERS): if _alias.lower() in aliases: |