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# python import
import os, shlex, subprocess, tarfile
# olpcfr tools import
from olpcfr.tools import logger, storage
class Runner(object):
class __Singleton:
def __init__(self):
self.proc = None
def run(self):
# prepare paths
_store_path = storage.get_path(path='store')
# change dir for unzipping
os.chdir(_store_path)
if os.path.exists('redstore'):
pass
else:
_trip_zip = storage.get_path(path='data/triplestore.tar.bz2')
# extract files in tmp dir
_tar = tarfile.open(_trip_zip)
_tar.extractall()
_tar.close()
# get args
args = shlex.split('sh %s/wrapper.sh' % _store_path)
self.proc = subprocess.Popen(args)
# stay in the dir
os.chdir(storage.BUNDLE)
def stop(self):
pass
# singleton instance
instance = None
def __new__(c):
if Runner.instance is None:
Runner.instance = Runner.__Singleton()
else:
pass
return Runner.instance
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