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Raise an exception when unable to open datastore, instead of returning False

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Nemunaire 2015-04-06 11:32:29 +02:00 committed by nemunaire
parent 1b9395ca37
commit 57bbca4e7a
2 changed files with 11 additions and 11 deletions
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datas/datas
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22
nemubot/datastore/xml.py
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@ -29,18 +29,18 @@ class XML(Abstract):
def open(self):
"""Lock the directory"""
if os.path.isdir(self.basedir):
lock_file = os.path.join(self.basedir, ".used_by_nemubot")
if not os.path.exists(lock_file):
with open(lock_file, 'w') as lf:
lf.write(str(os.getpid()))
return True
if not os.path.isdir(self.basedir):
os.mkdir(self.basedir)
else:
with open(lock_file, 'r') as lf:
pid = lf.readline()
raise Exception("Data dir already locked, by PID %s" % pid)
return False
lock_file = os.path.join(self.basedir, ".used_by_nemubot")
if os.path.exists(lock_file):
with open(lock_file, 'r') as lf:
pid = lf.readline()
raise Exception("Data dir already locked, by PID %s" % pid)
with open(lock_file, 'w') as lf:
lf.write(str(os.getpid()))
return True
def close(self):
"""Release a locked path"""