152 lines
4.4 KiB
Python
152 lines
4.4 KiB
Python
# python spotify grabber
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# requirements: pygetwindow from pip and fmedia in $path
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import pygetwindow
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import re
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import time
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import subprocess
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import threading
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import logging
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import string
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import unicodedata
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import sys
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import os
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# configuration
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logging.basicConfig(
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level=logging.DEBUG,
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format='%(asctime)s %(levelname)-8s %(message)s'
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)
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rec_path = os.path.join('.', 'rec')
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fmedia_path = os.path.join('fmedia', 'fmedia.exe')
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window_monitor_interval = .2
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window_regex = '^Spotify .+'
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metadata_regex = '^Spotify - (?P<title>.+) · (?P<artist>.+)'
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# end configuration
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valid_filename_chars = "-_.() %s%s" % (string.ascii_letters, string.digits)
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counter = 0
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is_recording = False
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def get_default_device():
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device_list = subprocess.run([
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fmedia_path,
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'--list-dev'
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],
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capture_output=True
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)
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playback_devices = device_list.stdout.decode('utf-8')
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playback_devices = playback_devices.split('Loopback:')[1].split('Capture:')[0]
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playback_devices = playback_devices.split('\n')
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for device in playback_devices:
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if re.search('- Default$', device):
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logging.debug('found default output device: {device}'.format(device=device))
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device_number = re.match('^device #([0-9]+)', device).group(1)
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break
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return device_number
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def clean_filename(filename, whitelist=valid_filename_chars):
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# keep only valid ascii chars
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cleaned_filename = unicodedata.normalize('NFKD', filename).encode('ASCII', 'ignore').decode()
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# keep only whitelisted chars
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cleaned_filename = ''.join(c for c in cleaned_filename if c in whitelist)
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return cleaned_filename
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def start_rec(artist: str, title: str):
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def rec_subprocess():
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filename = os.path.join(
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rec_path,
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f'{counter:03d}. {clean_filename(artist)} - {clean_filename(title)}.mp3'
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)
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logging.debug(f'recording to {filename}')
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command = [
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fmedia_path,
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'--record',
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f'--dev-loopback={loopback_dev}',
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f'--out={filename}',
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'--mpeg-quality=2',
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f'--meta=artist={artist};title={title};tracknumber={counter}',
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'--globcmd=listen'
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]
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logging.debug(f'starting recording subprocess: {" ".join(command)}')
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subprocess.run(command, check=True)
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global counter
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global is_recording
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counter += 1
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is_recording = True
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logging.debug('starting subprocess')
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thread = threading.Thread(target=rec_subprocess)
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thread.start()
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def stop_rec():
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subprocess.run([fmedia_path, '--globcmd=stop'])
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global is_recording
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is_recording = False
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logging.debug('stopped recording')
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def watch_window():
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old_title = ''
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logging.debug('started window watcher')
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while True:
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win_titles = pygetwindow.getAllTitles()
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for win_title in win_titles:
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if re.search(window_regex, win_title):
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if win_title != old_title:
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logging.debug(f'window title changed to {win_title}')
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if is_recording:
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stop_rec()
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# if changed title matches the metadata regex it is assumed there is a song playing
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if re.match(metadata_regex, win_title):
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# read metadata from window title
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metadata = re.match(metadata_regex, win_title)
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title = metadata.group('title')
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artist = metadata.group('artist')
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logging.debug(f'got metadata ({title}) by ({artist})')
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logging.debug('start recording now')
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start_rec(title=title, artist=artist)
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old_title = win_title
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time.sleep(window_monitor_interval)
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try:
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loopback_dev = get_default_device()
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number_input = input('enter number to start counting filenames from (or press enter for 1): ')
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if number_input != '':
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try:
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counter = int(number_input) - 1
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except ValueError:
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logging.warning(f'input "{number_input}" is a invalid number input')
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watch_window()
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except KeyboardInterrupt:
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logging.info('got CTRL+C - trying to clean up my mess')
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if is_recording:
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stop_rec()
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logging.info('Bye Bye')
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sys.exit(0)
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