78 lines
2.0 KiB
Python
78 lines
2.0 KiB
Python
import logging
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import os
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import subprocess
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import yaml
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from tempfile import NamedTemporaryFile
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EDITOR_TEMPLATE = """
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{name}:
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description: {description}
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entries:
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{entries}
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# ------------------------------------------------------------------------------
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#
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# Groove On Demand Playlist Editor
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#
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# This file is in YAML format. Blank lines and lines beginning with # are
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# ignored, and the following structure is expected:
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#
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# PLAYLIST_TITLE:
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# description: STRING_DESCRIPTION
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# entries:
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# - TRACK_ARTIST - TRACK_TITLE
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# ...
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#
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# Here's a complete example, with a multi-line description:
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#
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# My Awesome Jams, Vol. 2:
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# description: |
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# These jams are totally awesome, yo.
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# Totally.
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#
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# yo.
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# entries:
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# - Beastie Boys: Help Me, Rhonda
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# - Bob and Doug McKenzie: Messiah (Hallelujah Eh)
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#
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# Tracks can be reordered or removed. You can also add a track, if the artist/title
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# combination exactly matches precisely one Track entry your database. Searches are
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# case-sensitive.
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#
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# Playlists can be renamed and descriptions can be updated or removed. If you rename a
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# playlist, its slug will be regnenerated, breaking previous web links to said playlist.
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"""
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class PlaylistEditor:
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"""
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A custom ConfigParser that only supports specific headers and ignores all other square brackets.
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"""
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def __init__(self):
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self._path = None
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@property
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def path(self):
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if not self._path:
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self._path = NamedTemporaryFile(prefix='groove_on_demand-', delete=False)
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return self._path
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def edit(self, playlist):
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with self.path as fh:
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fh.write(playlist.as_yaml.encode())
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subprocess.check_call([os.environ['EDITOR'], self.path.name])
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edits = self.read()
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self.cleanup()
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return edits
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def read(self):
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with open(self.path.name, 'rb') as fh:
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return yaml.safe_load(fh)
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def cleanup(self):
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if self._path:
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os.unlink(self._path.name)
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self._path = None
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