131 lines
5.1 KiB
Python
131 lines
5.1 KiB
Python
# pylint: disable=C0111,R0903
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"""Displays information about the current song in cmus.
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Requires the following executable:
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* cmus-remote
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Parameters:
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* cmus.format: Format string for the song information. Tag values can be put in curly brackets (i.e. {artist})
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Additional tags:
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* {file} - full song file name
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* {file1} - song file name without path prefix
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if {file} = '/foo/bar.baz', then {file1} = 'bar.baz'
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* {file2} - song file name without path prefix and extension suffix
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if {file} = '/foo/bar.baz', then {file2} = 'bar'
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* cmus.layout: Space-separated list of widgets to add. Possible widgets are the buttons/toggles cmus.prev, cmus.next, cmus.shuffle and cmus.repeat, and the main display with play/pause function cmus.main.
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* cmus.server: The address of the cmus server, either a UNIX socket or host[:port]. Connects to the local instance by default.
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* cmus.passwd: The password to use for the TCP/IP connection.
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"""
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from collections import defaultdict
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import os
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import string
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import core.module
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import core.widget
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import core.input
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import core.decorators
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import util.cli
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import util.format
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class Module(core.module.Module):
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def __init__(self, config, theme):
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super().__init__(config, theme, [])
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self._layout = self.parameter('layout', 'cmus.prev cmus.main cmus.next cmus.shuffle cmus.repeat')
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self._fmt = self.parameter('format', '{artist} - {title} {position}/{duration}')
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self._server = self.parameter('server', None)
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self._passwd = self.parameter('passwd', None)
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self._status = None
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self._shuffle = False
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self._repeat = False
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self._tags = defaultdict(lambda: '')
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# Create widgets
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widget_list = []
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widget_map = {}
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for widget_name in self._layout.split():
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widget = core.widget.Widget(name=widget_name)
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widget_list.append(widget)
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self._cmd = 'cmus-remote'
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if self._server is not None:
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self._cmd = '{cmd} --server {server}'.format(cmd=self._cmd, server=self._server)
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if self._passwd is not None:
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self._cmd = '{cmd} --passwd {passwd}'.format(cmd=self._cmd, passwd=self._passwd)
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if widget_name == 'cmus.prev':
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widget_map[widget] = {'button': core.input.LEFT_MOUSE, 'cmd': '{cmd} -r'.format(cmd=self._cmd)}
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elif widget_name == 'cmus.main':
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widget_map[widget] = {'button': core.input.LEFT_MOUSE, 'cmd': '{cmd} -u'.format(cmd=self._cmd)}
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widget.full_text(self.description)
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elif widget_name == 'cmus.next':
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widget_map[widget] = {'button': core.input.LEFT_MOUSE, 'cmd': '{cmd} -n'.format(cmd=self._cmd)}
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elif widget_name == 'cmus.shuffle':
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widget_map[widget] = {'button': core.input.LEFT_MOUSE, 'cmd': '{cmd} -S'.format(cmd=self._cmd)}
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elif widget_name == 'cmus.repeat':
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widget_map[widget] = {'button': core.input.LEFT_MOUSE, 'cmd': '{cmd} -R'.format(cmd=self._cmd)}
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else:
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raise KeyError('The cmus module does not support a {widget_name!r} widget'.format(widget_name=widget_name))
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self.widgets(widget_list)
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# Register input callbacks
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for widget, callback_options in widget_map.items():
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core.input.register(widget, **callback_options)
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def hidden(self):
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return self._status is None
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@core.decorators.scrollable
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def description(self, widget):
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return string.Formatter().vformat(self._fmt, (), self._tags)
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def update(self):
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self._load_song()
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def state(self, widget):
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returns = {
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'cmus.shuffle': 'shuffle-on' if self._shuffle else 'shuffle-off',
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'cmus.repeat': 'repeat-on' if self._repeat else 'repeat-off',
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'cmus.prev': 'prev',
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'cmus.next': 'next',
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}
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return returns.get(widget.name, self._status)
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def _eval_line(self, line):
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if line.startswith('file '):
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full_file = line[5:]
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file1 = os.path.basename(full_file)
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file2 = os.path.splitext(file1)[0]
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self._tags.update({'file': full_file})
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self._tags.update({'file1': file1})
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self._tags.update({'file2': file2})
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return
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name, key, value = (line.split(' ', 2) + [None, None])[:3]
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if name == 'status':
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self._status = key
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if name == 'tag':
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self._tags.update({key: value})
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if name in ['duration', 'position']:
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self._tags.update({name: util.format.duration(int(key))})
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if name == 'set' and key == 'repeat':
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self._repeat = value == 'true'
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if name == 'set' and key == 'shuffle':
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self._shuffle = value == 'true'
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def _load_song(self):
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info = ''
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try:
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info = util.cli.execute('{cmd} -Q'.format(cmd=self._cmd))
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except RuntimeError:
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self._status = None
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self._tags = defaultdict(lambda: '')
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for line in info.split('\n'):
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self._eval_line(line)
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# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
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