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import sys
import traceback
from argparse import ArgumentParser
from lib.utils import save_stderr, restore_stderr
from lib import extensions
parser = ArgumentParser()
parser.add_argument("--extension")
my_args, remaining_args = parser.parse_known_args()
extension_name = my_args.extension
# example: foo_bar_baz -> FooBarBaz
extension_class_name = extension_name.title().replace("_", "")
extension_class = getattr(extensions, extension_class_name)
extension = extension_class()
exception = None
save_stderr()
try:
extension.affect(args=remaining_args)
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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