.

app/routes.py

@@ -124,23 +124,33 @@ def wpa(ssid):
     else:
         form = WPAForm()
         if form.validate_on_submit():
-            wpa = '''country=GB # Your 2-digit country code
+            wpa = """country=GB # Your 2-digit country code
 ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
 network={{
     ssid="{}"
     psk="{}"
     key_mgmt=WPA-PSK
 }}
-'''.format(ssid,form.password.data)
+""".format(
-            with open('/tmp/arg.txt','wt') as f:
+                ssid, form.password.data
+            )
+            output = subprocess.run(
+                ["sudo", "/usr/sbin/ifdown", "wlan0"], stdout=subprocess.PIPE, stderr=subprocess.PIPE
+            ).stdout.decode("utf-8")
+            output = subprocess.run(
+                ["sudo", "/usr/bin/systemctl", "stop", "wpa_supplicant"], stdout=subprocess.PIPE, stderr=subprocess.PIPE
+            ).stdout.decode("utf-8")
+
+            with open("/etc/wpa_supplicant/wpa_supplicant.conf", "wt") as f:
                 f.write(wpa)
 
-            output = subprocess.run(['sudo', '/usr/sbin/ifdown','wlan0'], stdout=subprocess.PIPE, stderr=subprocess.PIPE).stdout.decode("utf-8")
-            output = subprocess.run(['sudo', '/usr/bin/systemctl','stop','wpa_supplicant'], stdout=subprocess.PIPE, stderr=subprocess.PIPE).stdout.decode("utf-8")
-            output = subprocess.run(['sudo', 'mv','/tmp/arg.txt','/etc/wpa_supplicant/wpa_supplicant.conf'], shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE).stdout.decode("utf-8")
             try:
-                output = subprocess.run(['sudo', '/usr/bin/systemctl','start','wpa_supplicant'], stdout=subprocess.PIPE, stderr=subprocess.PIPE).stdout.decode("utf-8")
+                output = subprocess.run(
-                output = subprocess.run(['sudo', '/usr/sbin/ifup','wlan0'], stdout=subprocess.PIPE, stderr=subprocess.PIPE,timeout=10).stdout.decode("utf-8")
+                    ["sudo", "/usr/bin/systemctl", "start", "wpa_supplicant"], stdout=subprocess.PIPE, stderr=subprocess.PIPE,timeout=20
+                ).stdout.decode("utf-8")
+                output = subprocess.run(
+                    ["sudo", "/usr/sbin/ifup", "wlan0"], stdout=subprocess.PIPE, stderr=subprocess.PIPE, timeout=20
+                ).stdout.decode("utf-8")
             except:
                 return render_template("message.html", message="Failt to connected to {}".format(ssid))
 
@@ -148,6 +158,7 @@ network={{
 
         return render_template("wpa.html", title="WPA Password", form=form)
 
+
 @app.route("/connect/<string:ssid>&<string:security>", methods=["GET", "POST"])
 @login_required
 def connect(ssid, security):
@@ -173,6 +184,8 @@ def disconnect(ssid):
 
         return render_template("message.html", message="Failed to Disconnect from {}".format(ssid))
     else:
-        output = subprocess.run(['sudo','/usr/sbin/ifdown','wlan0'], stdout=subprocess.PIPE, stderr=subprocess.PIPE).stdout.decode("utf-8")
+        output = subprocess.run(
+            ["sudo", "/usr/sbin/ifdown", "wlan0"], stdout=subprocess.PIPE, stderr=subprocess.PIPE
+        ).stdout.decode("utf-8")
 
         return render_template("message.html", message="Sucessfully disconnected from {}".format(ssid))