handle configure parser exceptions

engine/engine.py

@@ -79,24 +79,27 @@ class EngineSharadaBraille(IBus.Engine):
 		self.pressed_keys = u""
 		
 		Config = configparser.ConfigParser()
-		if (Config.read("{}/isb.cfg".format(home_dir)) == []):
-			self.checked_languages = ["english-en","hindi-hi"]
-			self.simple_mode =  0
-			self.keycode_map = {33:"1",32:"2",31:"3",36:"4",37:"5",38:"6",44:"7",52:"8",30:"a",34:"c",35:"9",39:"0"}
-			self.key_to_switch_between_languages = 119
-			self.list_switch_key = 56
-			self.language_iter = 0
-			self.conventional_braille = False;
-		else:
+		try:
+			Config.read("{}/isb.cfg".format(home_dir))
 			self.checked_languages = Config.get('cfg',"checked_languages").split(",")
 			self.simple_mode = int(Config.get('cfg',"simple-mode"))
 			self.keycode_map = {}
-			for key,value in {"dot-1":"1","dot-2":"2","dot-3":"3","dot-4":"4","dot-5":"5","dot-6":"6","dot-7":"7","dot-8":"8","punctuation_key":"0","capitol_switch_key":"c","letter_deletion_key":"9","abbreviation_key":"a"}.items():
+			for key,value in {"dot-1":"1","dot-2":"2","dot-3":"3","dot-4":"4","dot-5":"5",
+			"dot-6":"6","dot-7":"7","dot-8":"8","punctuation_key":"0","capitol_switch_key":"c",
+			"letter_deletion_key":"9","abbreviation_key":"a"}.items():
 				self.keycode_map[int(Config.get('cfg',key))] = value
 			self.key_to_switch_between_languages = int(Config.get('cfg',"switch_between_languages"))
 			self.list_switch_key = int(Config.get('cfg',"list_switch_key"))
 			self.language_iter = int(Config.get('cfg',"default-language"))
 			self.conventional_braille = int(Config.get('cfg',"conventional-braille"))
+		except:
+			self.checked_languages = ["english-en","hindi-hi"]
+			self.simple_mode =  0
+			self.keycode_map = {33:"1",32:"2",31:"3",36:"4",37:"5",38:"6",44:"7",52:"8",30:"a",34:"c",35:"9",39:"0"}
+			self.key_to_switch_between_languages = 119
+			self.list_switch_key = 56
+			self.language_iter = 0
+			self.conventional_braille = False;
 
 		self.conventional_braille_dot_4 = False;
 		self.conventional_braille_dot_4_pass = False;

preferences/main.py

@@ -45,7 +45,23 @@ class ibus_sharada_braille_preferences():
 		"dot-7":44,"dot-8":52,"punctuation_key":39,"capitol_switch_key":34,"letter_deletion_key":35,
 		"switch_between_languages":119,"list_switch_key":56,"abbreviation_key":30 }
 		
-		if (self.config.read("{}/isb.cfg".format(home_dir)) == []):
+		try:
+			self.config.read("{}/isb.cfg".format(home_dir))
+			self.checked_languages = self.config.get('cfg',"checked_languages").split(",")
+			self.key_dict = {}
+			default_language = int(self.config.get('cfg',"default-language"))
+			for key in self.default_key_dict.keys():
+				self.key_dict[key] =  int(self.config.get('cfg',key))
+			# The following are for a try only
+			self.config.get('cfg',"conventional-braille")
+			self.config.get('cfg',"simple-mode")
+
+		except:
+			# To avoid duplication of cfg section
+			try:
+				self.config.remove_section('cfg')
+			except:
+				pass
 			self.config.add_section('cfg')
 			self.checked_languages = ["english-en","hindi-hi","numerical-en"]
 			self.reset_keys_and_shorcuts(None,None)
@@ -54,12 +70,6 @@ class ibus_sharada_braille_preferences():
 			self.config.set('cfg',"default-language",str(0))
 			default_language = 0;
 			self.key_dict = self.default_key_dict.copy()
-		else:
-			self.checked_languages = self.config.get('cfg',"checked_languages").split(",")
-			self.key_dict = {}
-			default_language = int(self.config.get('cfg',"default-language"))
-			for key in self.default_key_dict.keys():
-				self.key_dict[key] =  int(self.config.get('cfg',key))			
 			
 		self.checked_languages_liststore = Gtk.ListStore(str)
 		for item in self.checked_languages: