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erikbern/gist:6312391

Created August 22, 2013 20:31
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gistfile1.py
class BsddbTarget(luigi.LocalTarget):
def open(self, mode):
return bsddb.hashopen(self.path, mode) # TODO: make this atomic!!
class TCTarget(luigi.LocalTarget):
open_tcs = {}
def open(self, mode):
if mode == 'r':
if self.path not in TCTarget.open_tcs:
hdb = pytc.HDB()
hdb.open(self.path, pytc.HDBOREADER)
TCTarget.open_tcs[self.path] = hdb
else:
hdb = TCTarget.open_tcs[self.path]
elif mode == 'w':
hdb = pytc.HDB()
hdb.open(self.path, pytc.HDBOWRITER | pytc.HDBOCREAT)
return hdb
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