beets/docs/plugins/inline.rst
2012-12-20 21:56:47 -08:00

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Inline Plugin
=============
The ``inline`` plugin lets you use Python expressions to customize your path
formats. Using it, you can define template fields in your beets configuration
file and refer to them from your template strings in the ``[paths]`` section
(see :doc:`/reference/config/`).
To use inline field definitions, first enable the plugin by putting ``inline``
on your ``plugins`` line in your configuration file. Then, make a
``pathfields:`` block in your config file. Under this key, every line
defines a new template field; the key is the name of the field (you'll use the
name to refer to the field in your templates) and the value is a Python
expression. The expression has all of a track's fields in scope, so you can
refer to any normal attributes (such as ``artist`` or ``title``) as Python
variables. Here are a couple of examples::
pathfields:
initial: albumartist[0].upper() + u'.'
disc_and_track: u'%02i.%02i' % (disc, track) if
disctotal > 1 else u'%02i' % (track)
Note that YAML syntax allows newlines in values if the subsequent
lines are indented. These examples define ``$initial`` and
``$disc_and_track`` fields that can be referenced in path templates like so::
paths:
default: $initial/$artist/$album%aunique{}/$disc_and_track $title