PulseAudioDB

1 files changed, 28 insertions, 0 deletions

diff --git a/static/src/padb.py b/static/src/padb.py
new file mode 100644
index 0000000..2d55212
--- /dev/null
+++ b/static/src/padb.py
@@ -0,0 +1,28 @@
+import subprocess
+
+
+class PulseAudioDB:
+    def __getitem__(self, key):
+        try:
+            return int(subprocess.check_output(['pactl', 'get-sink-volume', key]).split()[2])
+        except:
+            raise KeyError
+    def __setitem__(self, key, value):
+        run = lambda x: subprocess.run(x, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        if run(['pactl', 'set-sink-volume', key, str(value)]).returncode:
+            # Key doesn't exist yet
+            run(['pactl', 'load-module', 'module-null-sink', 'channels=1', 'sink_name=' + key])
+            run(['pactl', 'set-sink-volume', key, str(value)])
+
+
+padb = PulseAudioDB()
+
+N = 200
+for i in range(N):
+    padb['a' + str(i)] = i
+
+ans = 0
+for i in range(N):
+    ans += padb['a' + str(i)]
+
+print(ans)