Reading the fetchart docs it was not clear to me that it would use _any_
image file found alongside your music files, even if the image file did
not have one of the five privileged names (cover, front, art, album,
folder). I humbly propose these edits to the docs in an attempt to make
it more clear that, by default, any local image file will be used.
I also corrected '"album," _for_ "folder"' to '"album," _or_ "folder"',
and from reading the code I'm pretty sure that remote_priority needs to
be true, not false, in order to prefer remote sources.
Add a 'fallback' option to facilitate working around the 100 queries/day google
limit by marking files as 'visited' so they are not considered for lyrics search
on the next beet run.
I've put my own google_engine_ID as default value in the code but could be
reconsidered, this engine contains databases known to be scrappable by the
plugin algorithm though.
The initial idea for this refactor was motivated by the need to make
PluginQuery.match() have the same method signature as the match() methods on
other queries. That is, it needed to take an *item*, not the pattern and
value. (The pattern is supplied when the query is constructed.) So it made
sense to move the value-to-pattern code to a class method.
But then I realized that all the other FieldQuery subclasses needed to do
essentially the same thing. So I eliminated PluginQuery altogether and
refactored FieldQuery to subsume its functionality. I then changed all the
other FieldQuery subclasses to conform to the same pattern.
This has the side effect of allowing different kinds of queries (even
non-field queries) down the road.
This turns on metadata-writing based on the import.write config option, so
those with this option turned off will be spared any surprises. (Affects #217
and #143.)
The major functional change here is how files move around when in keep_new
mode. Now, files are first moved to the destination directory and then
copied/transcoded back into the library.
This avoids problems where naming conflicts could occur when transcoding from
MP3 to MP3 (and thus not changing the filename).
