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playlist: Work around Windows' Mandatory File Locking on playlist updates

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This commit is contained in:
Jan Holthuis
2019-02-17 22:05:54 +01:00
parent d991e2a7d8
commit ee2cce4280
1 changed files with 9 additions and 7 deletions
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16
beetsplug/playlist.py
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@@ -149,7 +149,8 @@ class PlaylistPlugin(beets.plugins.BeetsPlugin):
changes = 0
deletions = 0
with tempfile.NamedTemporaryFile(mode='w+b') as tempfp:
with tempfile.NamedTemporaryFile(mode='w+b', delete=False) as tempfp:
new_playlist = tempfp.name
with open(filename, mode='rb') as fp:
for line in fp:
original_path = line.rstrip(b'\r\n')
@@ -176,9 +177,10 @@ class PlaylistPlugin(beets.plugins.BeetsPlugin):
new_path = os.path.relpath(new_path, base_dir)
tempfp.write(line.replace(original_path, new_path))
if changes or deletions:
self._log.info(
'Updated playlist {0} ({1} changes, {2} deletions)'.format(
filename, changes, deletions))
tempfp.flush()
beets.util.copy(tempfp.name, filename, replace=True)
if changes or deletions:
self._log.info(
'Updated playlist {0} ({1} changes, {2} deletions)'.format(
filename, changes, deletions))
beets.util.copy(new_playlist, filename, replace=True)
beets.util.remove(new_playlist)