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put temporary data file in the same director as the data file itself

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This should make shutil.move use rename, which is atomic, avoiding
losing data when interweaving writes happen.

This will close joelthelion/autojump#358.
This commit is contained in:
lilydjwg 2015-03-13 15:25:29 +08:00
parent b06d686bfe
commit bdc91924dd
1 changed files with 3 additions and 2 deletions
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bin/autojump_data.py
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@ -120,11 +120,12 @@ def migrate_osx_xdg_data(config):
def save(config, data):
"""Save data and create backup, creating a new data file if necessary."""
create_dir(os.path.dirname(config['data_path']))
data_dir = os.path.dirname(config['data_path'])
create_dir(data_dir)
# atomically save by writing to temporary file and moving to destination
try:
temp = NamedTemporaryFile(delete=False)
temp = NamedTemporaryFile(delete=False, dir=data_dir)
# Windows cannot reuse the same open file name
temp.close()