mpd: only info text

mpd_dot3k.py

@@ -0,0 +1,116 @@
+#!/usr/bin/env python3
+
+import queue
+import threading
+import dot3k.lcd as lcd
+from mpd import MPDClient
+
+char_play = [
+    0b10000,
+    0b11000,
+    0b11100,
+    0b11110,
+    0b11110,
+    0b11100,
+    0b11000,
+    0b10000,
+]
+
+char_pause = [
+    0b00000,
+    0b11011,
+    0b11011,
+    0b11011,
+    0b11011,
+    0b11011,
+    0b11011,
+    0b00000,
+]
+
+char_stop = [
+    0b00000,
+    0b11111,
+    0b11111,
+    0b11111,
+    0b11111,
+    0b11111,
+    0b11111,
+    0b00000,
+]
+
+
+q = queue.Queue()
+
+def stringrotate(text, width, step):
+    if len(text) > width:
+        fulltext = text + " - "
+        fulltext = fulltext[step:] + fulltext[:step]
+        return fulltext[:width]
+    else:
+        return text
+
+def display():
+    title = ''
+    artist = ''
+    album = ''
+    song_file = '' # Useful to determine if current song actually changed
+    step_title = step_artist = step_album = 0
+    while True:
+        try:
+            arg = q.get(timeout=0.5)
+            status = arg['status']['state']
+
+            if status == "play":
+                lcd.create_char(0, char_play)
+            elif status == "pause":
+                lcd.create_char(0, char_pause)
+            else:
+                lcd.create_char(0, char_stop)
+
+            if song_file != arg['song']['file']:
+                song_file   = arg['song']['file']
+                title       = arg['song']['title']
+                artist      = arg['song']['artist']
+                album       = arg['song']['album']
+
+                step_title = step_artist = step_album = 0
+                lcd.clear()
+
+                lcd.set_cursor_position(0, 0)
+                lcd.write(chr(0))
+
+                if len(title) <= 15:
+                    lcd.set_cursor_position(1, 0)
+                    lcd.write(title)
+                if len(artist) <= 16:
+                    lcd.set_cursor_position(0, 1)
+                    lcd.write(artist)
+                if len(album) <= 16:
+                    lcd.set_cursor_position(0, 2)
+                    lcd.write(album)
+
+        except queue.Empty:
+            step_title  = (step_title + 1) % (len(title) + 3)
+            step_artist = (step_artist + 1) % (len(artist) + 3)
+            step_album  = (step_album + 1) % (len(album) + 3)
+
+        if len(title) > 15:
+            lcd.set_cursor_position(1, 0)
+            lcd.write(stringrotate(title, 15, step_title))
+        if len(artist) > 16:
+            lcd.set_cursor_position(0, 1)
+            lcd.write(stringrotate(artist, 16, step_artist))
+        if len(album) > 16:
+            lcd.set_cursor_position(0, 2)
+            lcd.write(stringrotate(album, 16, step_album))
+        
+
+client = MPDClient()
+client.connect("localhost", 6600)
+
+t_display = threading.Thread(name='display',target=display)
+t_display.start()
+
+while True:
+    q.put({'song': client.currentsong(), 'status' : client.status()})
+    client.idle('player')