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"""Now playing and volume, via playerctl and wpctl."""
import subprocess
from ..module import Module, ModuleError
SEP = "\x1f"
BASE_ACTIONS = {
"voldown": ["wpctl", "set-volume", "@DEFAULT_AUDIO_SINK@", "5%-"],
"mute": ["wpctl", "set-mute", "@DEFAULT_AUDIO_SINK@", "toggle"],
"volup": ["wpctl", "set-volume", "-l", "1.0", "@DEFAULT_AUDIO_SINK@", "5%+"],
"prev": ["playerctl", "previous"],
"play": ["playerctl", "play-pause"],
"next": ["playerctl", "next"],
}
def _run(cmd, timeout=2):
try:
return subprocess.run(cmd, capture_output=True, text=True, timeout=timeout).stdout.strip()
except (OSError, subprocess.TimeoutExpired):
return ""
def _popen(cmd):
subprocess.Popen(cmd, start_new_session=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
def make(cfg: dict) -> Module:
run = cfg.get("run", _run)
popen = cfg.get("popen", _popen)
def state():
fmt = SEP.join(["{{status}}", "{{title}}", "{{artist}}", "{{album}}", "{{mpris:length}}",
"{{position}}", "{{mpris:artUrl}}", "{{playerName}}"])
out = run(["playerctl", "metadata", "--format", fmt])
vol = run(["wpctl", "get-volume", "@DEFAULT_AUDIO_SINK@"])
volume = {"level": round(float(vol.split()[1]) * 100) if len(vol.split()) > 1 else 0,
"muted": "MUTED" in vol}
if not out:
return {"status": "Stopped", "volume": volume}
status, title, artist, album, length, pos, art, name = (out.split(SEP) + [""] * 8)[:8]
if art.startswith(("http://", "https://")):
art_src = art
elif art.startswith("file://"):
art_src = "/api/art?v=" + str(abs(hash(art)))
else:
art_src = None
return {"status": status, "title": title, "artist": artist, "album": album,
"length": int(length or 0) / 1e6, "position": int(pos or 0) / 1e6,
"art": art_src, "player": name.split(".")[0], "volume": volume}
def seek(body):
pos = body.get("position")
if not isinstance(pos, (int, float)) or pos < 0:
raise ModuleError("position must be a number")
popen(["playerctl", "position", str(round(float(pos), 1))])
actions = {name: (lambda cmd: (lambda body: popen(cmd)))(cmd) for name, cmd in BASE_ACTIONS.items()}
actions["seek"] = seek
return Module(name="music", title="Music", state=state, actions=actions)
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