[appimage] database lock implemented

bauh/gems/appimage/db.py

@@ -0,0 +1,18 @@
+import os
+import time
+
+
+def acquire_lock(db_path: str):
+    lock_path = db_path + '.lock'
+    while True:
+        if not os.path.exists(lock_path):
+            open(lock_path, 'a').close()
+            break
+        else:
+            time.sleep(0.0005)
+
+
+def release_lock(db_path: str):
+    lock_path = db_path + '.lock'
+    if os.path.exists(lock_path):
+        os.remove(lock_path)