From 3751379f1e9a4c215fb6eb898b4ccc67659b9ace Mon Sep 17 00:00:00 2001
From: stephanchrst <stephanchrst@gmail.com>
Date: Tue, 10 May 2022 21:51:50 +0700
Subject: initial commit 2

---
 .../iot_handlers/interfaces/DisplayInterface.py    | 38 ++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 addons/hw_drivers/iot_handlers/interfaces/DisplayInterface.py

(limited to 'addons/hw_drivers/iot_handlers/interfaces/DisplayInterface.py')

diff --git a/addons/hw_drivers/iot_handlers/interfaces/DisplayInterface.py b/addons/hw_drivers/iot_handlers/interfaces/DisplayInterface.py
new file mode 100644
index 00000000..57e7a4af
--- /dev/null
+++ b/addons/hw_drivers/iot_handlers/interfaces/DisplayInterface.py
@@ -0,0 +1,38 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from re import sub, finditer
+import subprocess
+
+from odoo.addons.hw_drivers.interface import Interface
+
+
+class DisplayInterface(Interface):
+    _loop_delay = 0
+    connection_type = 'display'
+
+    def get_devices(self):
+        display_devices = {}
+        displays = subprocess.check_output(['tvservice', '-l']).decode()
+        x_screen = 0
+        for match in finditer('Display Number (\d), type HDMI (\d)', displays):
+            display_id, hdmi_id = match.groups()
+            tvservice_output = subprocess.check_output(['tvservice', '-nv', display_id]).decode().strip()
+            if tvservice_output:
+                display_name = tvservice_output.split('=')[1]
+                display_identifier = sub('[^a-zA-Z0-9 ]+', '', display_name).replace(' ', '_') + "_" + str(hdmi_id)
+                iot_device = {
+                    'identifier': display_identifier,
+                    'name': display_name,
+                    'x_screen': str(x_screen),
+                }
+                display_devices[display_identifier] = iot_device
+                x_screen += 1
+
+        if not len(display_devices):
+            # No display connected, create "fake" device to be accessed from another computer
+            display_devices['distant_display'] = {
+                'name': "Distant Display",
+            }
+
+        return display_devices
-- 
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