initial commit

.gitignore

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+rec/*

spotigrab.py

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+# python spotify grabber
+# requirements: pygetwindow from pip and fmedia in $path
+import pygetwindow
+import re
+import time
+import subprocess
+import threading
+import logging
+import string
+import unicodedata
+import sys
+
+# configuration
+logging.basicConfig(
+    level=logging.DEBUG,
+    format='%(asctime)s %(levelname)-8s %(message)s'
+    )
+rec_path=".\\rec\\"
+loopback_dev="3"
+monitor_interval=.2
+# end configuration
+
+valid_filename_chars = "-_.() %s%s" % (string.ascii_letters, string.digits)
+counter=0
+
+def clean_filename(filename, whitelist=valid_filename_chars):
+    # keep only valid ascii chars
+    cleaned_filename = unicodedata.normalize('NFKD', filename).encode('ASCII', 'ignore').decode()
+    
+    # keep only whitelisted chars
+    cleaned_filename = ''.join(c for c in cleaned_filename if c in whitelist)
+    return cleaned_filename
+
+def start_rec(artist, title):
+    def rec_subprocess():
+        filename = '{rec_path}{nn:03d}. {artist} - {title}.mp3'.format(
+            nn=counter,
+            rec_path=rec_path,
+            artist=clean_filename(artist),
+            title=clean_filename(title)
+            )
+        logging.debug('recording to {filename}'.format(filename=filename))
+        command = 'fmedia --record --dev-loopback={device} -o "{filename}" --mpeg-quality=2 --globcmd=listen'.format(device=loopback_dev, filename=filename)
+        logging.debug('starting recording subprocess: {command}'.format(command=command))
+        subprocess.run(command, shell=True, capture_output=True, check=True)
+
+    logging.debug('starting subprocess')
+    global counter
+    counter += 1
+    thread = threading.Thread(target=rec_subprocess)
+    thread.start()
+
+def stop_rec():
+    subprocess.run('fmedia --globcmd=stop', shell=True)
+    logging.debug('stopped recording')
+
+def parse_win_title(win_title):
+    metadata = win_title.split('Spotify - ')[1].split(' · ')
+    title = metadata[0]
+    artist = metadata[1]
+    logging.debug('got metadata {title} by {artist}'.format(title=title, artist=artist))
+    return title, artist
+
+def watch_window():
+    old_title = ''
+    logging.debug('started window watcher')
+    
+    while True:
+        win_titles = pygetwindow.getAllTitles()
+        for win_title in win_titles:
+            if re.search('^Spotify - .+', win_title):
+                if win_title != old_title:
+                    logging.debug('window title changed to {wintitle}'.format(wintitle=win_title))
+
+                    # read metadata from window title
+                    title, artist = parse_win_title(win_title)
+                    
+                    if old_title != '':
+                        logging.debug('stop recording')
+                        stop_rec()
+                        
+                    logging.debug('start recording now')
+                    start_rec(title, artist)
+                    
+                    old_title = win_title
+        time.sleep(.5)
+
+input('press enter to arm')
+try:
+    watch_window()
+except KeyboardInterrupt:
+    logging.info('got CTRL+C - trying to clean up my mess')
+    stop_rec()
+    logging.info('Bye Bye')
+    sys.exit(0)