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Diffstat (limited to 'pygments/lexers/__init__.py')
| -rw-r--r-- | pygments/lexers/__init__.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/pygments/lexers/__init__.py b/pygments/lexers/__init__.py index 328e072c..50f39d4e 100644 --- a/pygments/lexers/__init__.py +++ b/pygments/lexers/__init__.py @@ -133,7 +133,8 @@ def load_lexer_from_file(filename, lexername="CustomLexer", **options): try: # This empty dict will contain the namespace for the exec'd file custom_namespace = {} - exec(open(filename, 'rb').read(), custom_namespace) + with open(filename, 'rb') as f: + exec(f.read(), custom_namespace) # Retrieve the class `lexername` from that namespace if lexername not in custom_namespace: raise ClassNotFound('no valid %s class found in %s' % |