From 1a1515f2a1f462b44e7abc59d3ec2c6075f93f3e Mon Sep 17 00:00:00 2001
From: Justin <justinodunn@hotmail.com>
Date: Wed, 19 Jul 2023 19:20:37 +0800
Subject: [PATCH] try and except just in case

---
 server.py | 45 ++++++++++++++++++++++++---------------------
 1 file changed, 24 insertions(+), 21 deletions(-)

diff --git a/server.py b/server.py
index 59124d5..476ef51 100755
--- a/server.py
+++ b/server.py
@@ -1734,29 +1734,32 @@ def savePromptStartStop():
 
 @app.route("/scanNetworks", methods=["PUT", "POST"])
 def scanNetworks2():
-    output = subprocess.check_output(['sudo', 'iwlist', 'wlan0', 'scan'])
-    output_str = output.decode('utf-8')
-    lines = output_str.split('Cell')
+    try:
+        output = subprocess.check_output(['sudo', 'iwlist', 'wlan0', 'scan'])
+        output_str = output.decode('utf-8')
+        lines = output_str.split('Cell')
 
-    global networks
-    networks = {}
-
-    for line in lines:
-        if 'ESSID:""\n' not in line and 'Scan completed' not in line:
-            ssid = line.split('ESSID:')[1].split('\n')[0]
-            ssid = ssid.replace('"', '', 1)
-            ssid = ssid[::-1].replace('"', '', 1)[::-1]
-            if 'AES' in ssid:
-                ssid = ssid.replace("AES", "CCMP")
-            try:
-                group_cipher = line.split('Group Cipher : ')[1].split('\n')[0]
-                pair_cipher = line.split('Pairwise Ciphers (1) : ')[1].split('\n')[0]
-            except:
-                group_cipher = ''
-                pair_cipher = ''
-    #        quality = line.split('Quality=')[1].split('Signal level')[0].replace(" ", "")
-            networks[ssid] = {'group_cipher': group_cipher, 'pair_cipher': pair_cipher}
+        global networks
+        networks = {}
 
+        for line in lines:
+            if 'ESSID:""\n' not in line and 'Scan completed' not in line:
+                ssid = line.split('ESSID:')[1].split('\n')[0]
+                ssid = ssid.replace('"', '', 1)
+                ssid = ssid[::-1].replace('"', '', 1)[::-1]
+                if 'AES' in ssid:
+                    ssid = ssid.replace("AES", "CCMP")
+                try:
+                    group_cipher = line.split('Group Cipher : ')[1].split('\n')[0]
+                    pair_cipher = line.split('Pairwise Ciphers (1) : ')[1].split('\n')[0]
+                except:
+                    group_cipher = ''
+                    pair_cipher = ''
+    #            quality = line.split('Quality=')[1].split('Signal level')[0].replace(" ", "")
+                networks[ssid] = {'group_cipher': group_cipher, 'pair_cipher': pair_cipher}
+    except:
+        global networks
+        networks = {}
     return (networks)