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slightly simpler "write" command (#328, #448)

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Adrian Sampson 2013-11-25 15:26:11 -08:00
parent dd9684470d
commit 314438b8fa
1 changed files with 29 additions and 26 deletions
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55
beets/ui/commands.py
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@ -1231,50 +1231,53 @@ def move_func(lib, opts, args):
move_cmd.func = move_func
default_commands.append(move_cmd)
# write: write tags into every item matching a query.
# write: Write tags into files.
def write_items(lib, query, pretend):
"""Write tag information from the database to the respective
files in the filesystem."""
"""Write tag information from the database to the respective files
in the filesystem.
"""
items, albums = _do_query(lib, query, False, False)
for item in items:
# Item deleted?
if not os.path.exists(syspath(item.path)):
log.info(u'missing file: {0}'.format(
util.displayable_path(item.path)
))
continue
# Read new data.
new_data = dict(item)
# Get an Item object reflecting the "clean" (on-disk) state.
try:
item.read()
clean_item = library.Item.from_path(item.path)
except Exception as exc:
log.error(u'error reading {0}: {1}'.format(
displayable_path(item.path), exc))
displayable_path(item.path), exc
))
continue
# Get and save metadata changes.
changes = {}
# Get the keys that have changed between the version.
changed = set()
for key in library.ITEM_KEYS_META:
if key in item._dirty:
changes[key] = getattr(item, key), new_data[key]
setattr(item, key, new_data[key]);
if item[key] != clean_item[key]:
changed.add(key)
if changes:
# Something changed.
# Did anything change?
if changed:
ui.print_obj(item, lib)
for key, (oldval, newval) in changes.iteritems():
_showdiff(key, oldval, newval)
for key in changed:
_showdiff(key, clean_item[key], item[key])
# If we're just pretending, then don't move or save.
if pretend:
continue
try:
item.write()
except Exception as exc:
log.error(u'could not write {0}: {1}'.format(
util.displayable_path(item.path), exc))
continue
# Actually write the tags.
if not pretend:
try:
item.write()
except Exception as exc:
log.error(u'could not write {0}: {1}'.format(
util.displayable_path(item.path), exc
))
continue
write_cmd = ui.Subcommand('write', help='write tag information to files')
write_cmd.parser.add_option('-p', '--pretend', action='store_true',