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Implement `touch` if hash db file does not exist

This commit is contained in:
Jaisen Mathai 2015-10-14 23:40:40 -07:00
parent ef5d9f7aac
commit f86932df29
1 changed files with 9 additions and 2 deletions
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11
elodie/localstorage.py
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@ -10,9 +10,16 @@ class Db(object):
if not os.path.exists(constants.application_directory):
os.makedirs(constants.application_directory)
# If the hash db doesn't exist we create it.
# Otherwise we only open for reading
if not os.path.isfile(constants.hash_db):
with open(constants.hash_db, 'a'):
os.utime(constants.hash_db, None)
self.hash_db = {}
# we need to open in w incase the file doesn't exist
with open(constants.hash_db, 'rw') as f:
# We know from above that this file exists so we open it for reading only.
with open(constants.hash_db, 'r') as f:
try:
self.hash_db = json.load(f)
except ValueError: