132 lines
4.3 KiB
Python
132 lines
4.3 KiB
Python
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#!/bin/env python
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# This is adapted from mpdlisten.c : https://gist.github.com/sahib/6718139
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# 2024 abelliqueux <contact@arthus.net>
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#
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# MPD client
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import musicpd
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from os import environ
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import sys
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from time import sleep
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# Relay
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import RPi.GPIO as GPIO
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# OLED SSD1306
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from luma.core.interface.serial import i2c
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from luma.core.render import canvas
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from luma.oled.device import ssd1306
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# MPD config
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off_delay = 10
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mpd_host='localhost'
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mpd_port=6600
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mpd_passwd = None
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mpd_states = ['play', 'pause', 'stop', 'unknown']
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# Relay GPIO setup
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GPIO.setmode(GPIO.BCM)
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RELAIS_1_GPIO = 17
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GPIO.setup(RELAIS_1_GPIO, GPIO.OUT) # GPIO Assign mode
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# SSD1306 setup
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serial = i2c(port=1, address=0x3C)
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device = ssd1306(serial)
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# TODO: get ctrlc state
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ctrlc_pressed = False
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mpd_client_status = {'volume': 'N/A',
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'repeat': 'N/A',
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'random': 'N/A',
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'single': 'N/A',
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'consume': 'N/A',
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'partition': 'N/A',
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'playlist': 'N/A',
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'playlistlength': 'N/A',
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'mixrampdb': 'N/A',
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'state': 'N/A',
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'song': 'N/A',
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'songid': 'N/A',
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'nextsong': 'N/A',
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'nextsongid': 'N/A'
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}
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mpd_client_currentsong = {'file': 'N/A',
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'last-modified': 'N/A',
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'format': 'N/A',
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'artist': 'N/A',
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'albumartist': 'N/A',
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'title': 'N/A',
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'album': 'N/A',
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'track': 'N/A',
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'date': 'N/A',
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'genre': 'N/A',
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'time': 'N/A',
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'duration': 'N/A',
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'pos': 'N/A',
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'id': 'N/A'}
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# Source host, port from env variables
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if 'MPD_HOST' in environ:
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mpd_host = environ['MPD_HOST']
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# Extract password if provided
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if len(mpd_host.split('@')) > 1:
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mpd_passwd = mpd_host.split('@')[0]
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mpd_host = mpd_host.split('@')[1]
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if 'MPD_PORT' in environ:
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mpd_port = environ['MPD_PORT']
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# ~ client.status() # duration, elapsed, volume, repeat, random, single
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# ~ client.currentsong() # artist, title, album
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def update_display(device):
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with canvas(device) as draw:
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draw.rectangle(device.bounding_box, outline="white", fill="black")
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draw.text((10, 5), mpd_client_currentsong['artist'], fill="white")
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draw.text((10, 25), mpd_client_currentsong['title'], fill="white")
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draw.text((10, 40), "{}/{}".format(mpd_client_status['elapsed'], mpd_client_status['duration']), fill="white")
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def main(args):
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previous_sond_id = None
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previous_state = None
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paused_since_seconds = 0
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# MPDclient setup
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client = musicpd.MPDClient()
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if mpd_passwd is not None:
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client.pwd = mpd_passwd
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client.host = mpd_host
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client.port = mpd_port
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client.mpd_timeout = 5
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try:
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client.connect()
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except musicpd.ConnectionError as errorMessage:
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print(repr(errorMessage))
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print("Check host and port are correct.")
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while ctrlc_pressed is False:
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mpd_status = client.status()
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if len(mpd_status):
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mpd_client_status = mpd_status
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mpd_client_currentsong = client.currentsong()
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play_state = client.status()['state']
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current_song_id = client.status()['songid']
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if play_state in mpd_states:
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if play_state == 'play':
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if (current_song_id != previous_sond_id) and (previous_state != play_state):
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# Relay on
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GPIO.output(RELAIS_1_GPIO, GPIO.HIGH)
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if play_state == 'pause':
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paused_since_seconds += 1
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if paused_since_seconds > off_delay :
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# Relay off
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GPIO.output(RELAIS_1_GPIO, GPIO.LOW)
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if play_state == 'stop' or play_state == 'unknown':
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previous_sond_id = None
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# Relay off
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GPIO.output(RELAIS_1_GPIO, GPIO.LOW)
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previous_state = play_state
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sleep(2)
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client.disconnect()
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return 0
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if __name__ == '__main__':
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sys.exit(main(sys.argv[1:]))
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