andpp/mopidy
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scanner: Write tag cache to tmp file.

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Tag cache is now output to a tmp file residing in the same folder as the real
one. Once generated the tmpfile is moved over the original file for an atomic
updated.
This commit is contained in:
Thomas Adamcik 2013-05-20 22:56:09 +02:00
parent 351589c6c8
commit 5961a1f5c8
1 changed files with 11 additions and 4 deletions
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15
mopidy/scanner.py
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@ -5,6 +5,7 @@ import datetime
import logging
import os
import sys
import tempfile
import gobject
gobject.threads_init()
@ -104,16 +105,21 @@ def main():
except KeyboardInterrupt:
scanner.stop()
logging.info('Done scanning; writing tag cache...')
logging.info('Done scanning; writing tag cache to temporary file.')
directory, basename = os.path.split(config['local']['tag_cache_file'])
tmp = tempfile.NamedTemporaryFile(
prefix=basename + '.', dir=directory, delete=False)
for row in mpd_translator.tracks_to_tag_cache_format(
tracks.values(), config['local']['media_dir']):
if len(row) == 1:
print ('%s' % row).encode('utf-8')
tmp.write(('%s\n' % row).encode('utf-8'))
else:
print ('%s: %s' % row).encode('utf-8')
tmp.write(('%s: %s\n' % row).encode('utf-8'))
logging.info('Done writing tag cache')
os.rename(tmp.name, config['local']['tag_cache_file'])
logging.info('Done writing; overwriting active tag cache.')
def parse_args():
@ -132,6 +138,7 @@ def parse_args():
return parser.parse_args(args=mopidy_args)
# TODO: move into scanner.
def translator(data):
albumartist_kwargs = {}
album_kwargs = {}