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-rw-r--r--pygments/lexers/_mapping.py16
1 files changed, 6 insertions, 10 deletions
diff --git a/pygments/lexers/_mapping.py b/pygments/lexers/_mapping.py
index a714941b..80b4da4a 100644
--- a/pygments/lexers/_mapping.py
+++ b/pygments/lexers/_mapping.py
@@ -388,19 +388,15 @@ if __name__ == '__main__':
found_lexers.sort()
# extract useful sourcecode from this file
- f = open(__file__)
- try:
- content = f.read()
- finally:
- f.close()
+ with open(__file__) as fp:
+ content = fp.read()
header = content[:content.find('LEXERS = {')]
footer = content[content.find("if __name__ == '__main__':"):]
# write new file
- f = open(__file__, 'w')
- f.write(header)
- f.write('LEXERS = {\n %s,\n}\n\n' % ',\n '.join(found_lexers))
- f.write(footer)
- f.close()
+ with open(__file__, 'w') as fp:
+ fp.write(header)
+ fp.write('LEXERS = {\n %s,\n}\n\n' % ',\n '.join(found_lexers))
+ fp.write(footer)
print ('=== %d lexers processed.' % len(found_lexers))