144 lines
6.2 KiB
Python
144 lines
6.2 KiB
Python
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# pylint: disable=C0111,R0903
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"""Displays the current song being played in DeaDBeeF and provides
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some media control bindings.
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Left click toggles pause, scroll up skips the current song, scroll
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down returns to the previous song.
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Requires the following library:
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* subprocess
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Parameters:
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* deadbeef.format: Format string (defaults to "{artist} - {title}")
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Available values are: {artist}, {title}, {album}, {length},
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{trackno}, {year}, {comment},
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{copyright}, {time}
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This is deprecated, but much simpler.
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* deadbeef.tf_format: A foobar2000 title formatting-style format string.
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These can be much more sophisticated than the standard
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format strings. This is off by default, but specifying
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any tf_format will enable it. If both deadbeef.format
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and deadbeef.tf_format are specified, deadbeef.tf_format
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takes priority.
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* deadbeef.tf_format_if_stopped: Controls whether or not the tf_format format
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string should be displayed even if no song is paused or
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playing. This could be useful if you want to implement
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your own stop strings with the built in logic. Any non-
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null value will enable this (by default the module will
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hide itself when the player is stopped).
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* deadbeef.previous: Change binding for previous song (default is left click)
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* deadbeef.next: Change binding for next song (default is right click)
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* deadbeef.pause: Change binding for toggling pause (default is middle click)
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Available options for deadbeef.previous, deadbeef.next and deadbeef.pause are:
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LEFT_CLICK, RIGHT_CLICK, MIDDLE_CLICK, SCROLL_UP, SCROLL_DOWN
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"""
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import sys
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import bumblebee.input
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import bumblebee.output
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import bumblebee.engine
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from bumblebee.output import scrollable
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try:
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import subprocess
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except ImportError:
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pass
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class Module(bumblebee.engine.Module):
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def __init__(self, engine, config):
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super(Module, self).__init__(engine, config,
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bumblebee.output.Widget(full_text=self.deadbeef)
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)
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buttons = {"LEFT_CLICK": bumblebee.input.LEFT_MOUSE,
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"RIGHT_CLICK": bumblebee.input.RIGHT_MOUSE,
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"MIDDLE_CLICK": bumblebee.input.MIDDLE_MOUSE,
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"SCROLL_UP": bumblebee.input.WHEEL_UP,
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"SCROLL_DOWN": bumblebee.input.WHEEL_DOWN,
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}
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self._song = ""
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self._format = self.parameter("format", "{artist} - {title}")
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self._tf_format = self.parameter("tf_format", "")
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self._show_tf_when_stopped = bool(self.parameter("tf_format_if_stopped", ""))
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prev_button = self.parameter("previous", "LEFT_CLICK")
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next_button = self.parameter("next", "RIGHT_CLICK")
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pause_button = self.parameter("pause", "MIDDLE_CLICK")
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self.now_playing = ["deadbeef", "--nowplaying", "%a;%t;%b;%l;%n;%y;%c;%r;%e"]
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self.now_playing_tf = ["deadbeef", "--nowplaying-tf", ""]
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cmd = "deadbeef "
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engine.input.register_callback(self, button=buttons[prev_button],
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cmd=cmd + "--prev")
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engine.input.register_callback(self, button=buttons[next_button],
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cmd=cmd + "--next")
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engine.input.register_callback(self, button=buttons[pause_button],
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cmd=cmd + "--play-pause")
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# modify the tf_format if we don't want it to show on stop
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# this adds conditions to the query itself, rather than
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# polling to see if deadbeef is running
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# doing this reduces the number of calls we have to make
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if self._tf_format and not self._show_tf_when_stopped:
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self._tf_format = "$if($or(%isplaying%,%ispaused%),{query})".format(query=self._tf_format)
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@scrollable
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def deadbeef(self, widget):
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return self.string_song
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def hidden(self):
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return self.string_song == ""
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def update(self, widgets):
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try:
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if self._tf_format == "": # no tf format set, use the old style
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return self.update_standard(widgets)
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return self.update_tf(widgets)
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except Exception:
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self._song = "error"
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def update_tf(self, widgets):
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## ensure that deadbeef is actually running
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## easiest way to do this is to check --nowplaying for
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## the string "nothing"
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if read_process(self.now_playing) == "nothing":
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self._song = ""
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return
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## perform the actual query -- these can be much more sophisticated
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self.now_playing_tf[-1] = self._tf_format
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data = read_process(self.now_playing_tf)
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self._song = data
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def update_standard(self, widgets):
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data = read_process(self.now_playing)
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if data == "nothing":
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self._song = ""
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else:
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data = data.split(";")
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self._song = self._format.format(artist=data[0],
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title=data[1],
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album=data[2],
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length=data[3],
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trackno=data[4],
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year=data[5],
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comment=data[6],
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copyright=data[7],
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time=data[8])
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@property
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def string_song(self):
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"""\
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Returns the current song as a string, either as a unicode() (Python <
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3) or a regular str() (Python >= 3)
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"""
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if sys.version_info.major < 3:
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return unicode(self._song)
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return str(self._song)
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def read_process(command):
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proc = subprocess.Popen(command, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
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return proc.stdout.read()
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# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
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