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import sys
import traceback
from argparse import ArgumentParser
from inkstitch.utils import save_stderr, restore_stderr
from inkstitch import extensions
def get_extension():
parser = ArgumentParser()
parser.add_argument("--extension")
args, extras = parser.parse_known_args()
return args.extension
extension_name = get_extension()
extension_class = getattr(extensions, extension_name.capitalize())
extension = extension_class()
exception = None
save_stderr()
try:
extension.affect()
except (SystemExit, KeyboardInterrupt):
raise
except Exception:
exception = traceback.format_exc()
finally:
restore_stderr()
if exception:
print >> sys.stderr, exception
sys.exit(1)
else:
sys.exit(0)
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