diff options
Diffstat (limited to 'cloudinit/atomic_helper.py')
| -rw-r--r-- | cloudinit/atomic_helper.py | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/cloudinit/atomic_helper.py b/cloudinit/atomic_helper.py index 485ff92f..ae117fad 100644 --- a/cloudinit/atomic_helper.py +++ b/cloudinit/atomic_helper.py @@ -10,8 +10,9 @@ _DEF_PERMS = 0o644 LOG = logging.getLogger(__name__) -def write_file(filename, content, mode=_DEF_PERMS, - omode="wb", preserve_mode=False): +def write_file( + filename, content, mode=_DEF_PERMS, omode="wb", preserve_mode=False +): # open filename in mode 'omode', write content, set permissions to 'mode' if preserve_mode: @@ -23,12 +24,18 @@ def write_file(filename, content, mode=_DEF_PERMS, tf = None try: - tf = tempfile.NamedTemporaryFile(dir=os.path.dirname(filename), - delete=False, mode=omode) + tf = tempfile.NamedTemporaryFile( + dir=os.path.dirname(filename), delete=False, mode=omode + ) LOG.debug( "Atomically writing to file %s (via temporary file %s) - %s: [%o]" " %d bytes/chars", - filename, tf.name, omode, mode, len(content)) + filename, + tf.name, + omode, + mode, + len(content), + ) tf.write(content) tf.close() os.chmod(tf.name, mode) @@ -42,7 +49,11 @@ def write_file(filename, content, mode=_DEF_PERMS, def write_json(filename, data, mode=_DEF_PERMS): # dump json representation of data to file filename. return write_file( - filename, json.dumps(data, indent=1, sort_keys=True) + "\n", - omode="w", mode=mode) + filename, + json.dumps(data, indent=1, sort_keys=True) + "\n", + omode="w", + mode=mode, + ) + # vi: ts=4 expandtab |