common gpio path variable

1 files changed, 7 insertions, 0 deletions

diff --git a/kvmd/aiogp.py b/kvmd/aiogp.py
index 100bcd4c..2f988e67 100644
--- a/kvmd/aiogp.py
+++ b/kvmd/aiogp.py
@@ -20,6 +20,7 @@
 # ========================================================================== #
 
 
+import os
 import asyncio
 import threading
 
@@ -32,6 +33,12 @@ from . import aiotools
 
 
 # =====
+# XXX: Do not use this variable for any purpose other than testing.
+# It can be removed at any time.
+DEVICE_PATH = os.getenv("KVMD_GPIO_DEVICE_PATH", "/dev/gpiochip0")
+
+
+# =====
 async def pulse(line: gpiod.Line, delay: float, final: float) -> None:
     try:
         line.set_value(1)