Added conf location and generation

Changed config file location to fit xdg specs and sit at .config for per 
user configuration

Now the configuration file is automaticly created with default values at 
the new path and the broadcast adress is added dynamicly.

Author: jNullj

README.md

@@ -23,15 +23,19 @@ Configuration File
 
 The configuration file is just a basic INI file, containing one section per host;
 
+The configuration file is located at `~/.config/bentasker.Wake-On-Lan-Python/wol_config.ini`
+
+The following is an example of hosts save in `wol_config.ini`
+
     [General]
     broadcast=192.168.1.255
-    
+
     [MyPc]
     mac=00:13:0d:e4:60:61
 
-    
-    
+
+
 License
 --------
 
-PSF v2, see [LICENSE](LICENSE)
+PSF v2, see [LICENSE](LICENSE)

wol.py

@@ -39,7 +39,7 @@ def wake_on_lan(host):
         macaddress = macaddress.replace(macaddress[2], '')
     else:
         raise ValueError('Incorrect MAC address format')
-	
+
     # Pad the synchronization stream.
     data = ''.join(['FFFFFFFFFFFF', macaddress * 20])
     send_data = b''
@@ -56,14 +56,34 @@ def wake_on_lan(host):
     return True
 
 
-def loadConfig():
-	""" Read in the Configuration file to get CDN specific settings
+def writeConfig(conf):
+    """ Write configuration file to save local settings """
+    global conf_path
+    conf.write(open(conf_path+'/wol_config.ini', 'w'))
+
 
-	"""
-	global mydir
-	global myconfig
-	Config = configparser.ConfigParser()
-	Config.read(mydir+"/.wol_config.ini")
+def loadConfig():
+    """ Read in the Configuration file to get CDN specific settings """
+    global conf_path
+    global myconfig
+    Config = configparser.ConfigParser()
+    # Create conf path if does not exists
+    if not os.path.exists(conf_path):
+        os.makedirs(conf_path, exist_ok=True)
+    # generate default config file if does not exists
+    if not os.path.exists(conf_path+'/wol_config.ini'):
+        # get broadcast ip dynamicly
+        local_ip = socket.gethostbyname(socket.gethostname())
+        local_ip = local_ip.rsplit('.', 1)
+        local_ip[1] = '255'
+        broadcast_ip = '.'.join(local_ip)
+        # Load default values to new conf file
+        Config['General'] = {'broadcast': broadcast_ip}
+        # two examples for devices
+        Config['myPC'] = {'mac': '00:2a:a0:cf:83:15'}
+        Config['myLaptop'] = {'mac': '00:13:0d:e4:60:61'}
+        writeConfig(Config)     # Generate default conf file
+	Config.read(conf_path+"/wol_config.ini")
 	sections = Config.sections()
 	dict1 = {}
 	for section in sections:
@@ -85,7 +105,7 @@ def usage():
 
 
 if __name__ == '__main__':
-        mydir = os.path.dirname(os.path.abspath(__file__))
+        conf_path = os.path.expanduser('~/.config/bentasker.Wake-On-Lan-Python')
         conf = loadConfig()
         try:
                 # Use macaddresses with any seperators.
@@ -102,7 +122,3 @@ def usage():
                                 print('Magic packet should be winging its way')
         except:
                 usage()
-
-
-
-