From 5619a77d6e847fff428d06ba0ff05c84f926199f Mon Sep 17 00:00:00 2001
From: Alfredo Monclus <alfredomonclus@gmail.com>
Date: Wed, 29 May 2024 22:26:38 -0300
Subject: [PATCH] changes to make ks start and give the no support error in
 python 3.7

---
 ks_includes/config.py    | 3 ++-
 ks_includes/functions.py | 6 ++++--
 screen.py                | 9 ++++++---
 3 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/ks_includes/config.py b/ks_includes/config.py
index 2b3596e3..d509bb69 100644
--- a/ks_includes/config.py
+++ b/ks_includes/config.py
@@ -456,7 +456,8 @@ class KlipperScreenConfig:
         directories = [printer_data_config, xdg_config, klipperscreendir]
 
         for directory in directories:
-            if path := self.check_path_exists(directory, self.configfile_name):
+            path = self.check_path_exists(directory, self.configfile_name)
+            if path:
                 return path
 
         # fallback
diff --git a/ks_includes/functions.py b/ks_includes/functions.py
index b0075c22..e3a8dba8 100644
--- a/ks_includes/functions.py
+++ b/ks_includes/functions.py
@@ -40,7 +40,8 @@ try:
                 onoff_p = ctypes.create_string_buffer(1)
                 state_p = ctypes.create_string_buffer(2)
                 if libXext.DPMSInfo(display, state_p, onoff_p):
-                    if onoff := struct.unpack('B', onoff_p.raw)[0]:
+                    onoff = struct.unpack('B', onoff_p.raw)[0]
+                    if onoff:
                         state = struct.unpack('H', state_p.raw)[0]
             libXext.XCloseDisplay(display)
         return state
@@ -72,7 +73,8 @@ def get_wireless_interfaces():
         return None
     interfaces = []
     for line in result:
-        if match := re.search('^(\\S+)\\s+.*$', line):
+        match = re.search('^(\\S+)\\s+.*$', line)
+        if match:
             interfaces.append(match[1])
 
     return interfaces
diff --git a/screen.py b/screen.py
index 60aa0ea4..4dc7253a 100755
--- a/screen.py
+++ b/screen.py
@@ -885,7 +885,8 @@ class KlipperScreen(Gtk.Window):
         if self.connected_printer is None or not devices:
             return found_devices
         devices = [str(i.strip()) for i in devices.split(',')]
-        if power_devices := self.printer.get_power_devices():
+        power_devices = self.printer.get_power_devices()
+        if power_devices:
             found_devices = [dev for dev in devices if dev in power_devices]
             logging.info(f"Found {found_devices}", )
         return found_devices
@@ -1040,7 +1041,8 @@ class KlipperScreen(Gtk.Window):
     def init_tempstore(self):
         if len(self.printer.get_temp_devices()) == 0:
             return
-        if tempstore := self.apiclient.send_request("server/temperature_store"):
+        tempstore = self.apiclient.send_request("server/temperature_store")
+        if tempstore:
             self.printer.init_temp_store(tempstore)
             if hasattr(self.panels[self._cur_panels[-1]], "update_graph_visibility"):
                 self.panels[self._cur_panels[-1]].update_graph_visibility()
@@ -1051,7 +1053,8 @@ class KlipperScreen(Gtk.Window):
         if set(self.printer.tempstore) != set(self.printer.get_temp_devices()):
             GLib.timeout_add_seconds(5, self.init_tempstore)
             return
-        if server_config := self.apiclient.send_request("server/config"):
+        server_config = self.apiclient.send_request("server/config")
+        if server_config:
             try:
                 self.printer.tempstore_size = server_config["config"]["data_store"]["temperature_store_size"]
                 logging.info(f"Temperature store size: {self.printer.tempstore_size}")