fixed bug #12

src/config.py

@@ -1,11 +1,11 @@
 import os
-from configparser import ConfigParser
+from configparser import ConfigParser, NoOptionError, NoSectionError, DuplicateSectionError
 
 
 class Config:
     parser: ConfigParser
 
-    def __init__(self):
+    def __init__(self, filename: str = "config.ini"):
         """
         Config parser reading config.ini
 
@@ -19,7 +19,7 @@ class Config:
         full_path = os.path.join(home_path, ".config", "brovski-adress-etiketten" )
         if not os.path.exists(full_path):
             os.makedirs(full_path)
-        self.config_file = os.path.join(full_path, "config.ini")
+        self.config_file = os.path.join(full_path, filename)
 
         self._load()
 
@@ -32,14 +32,25 @@ class Config:
 
     def add_section(self, section):
         self._load()
-        self.parser.add_section(section)
+        try:
+            self.parser.add_section(section)
+        except DuplicateSectionError:
+            return
+
         self._save()
 
     def set(self, section: str, option: str, value: str):
         self._load()
+        self.add_section(section)
         self.parser.set(section, option, value)
         self._save()
 
     def get(self, section: str, option: str):
         self._load()
-        return self.parser.get(section, option)
+        try:
+            option = self.parser.get(section, option)
+        except NoOptionError:
+            option = ""
+        except NoSectionError:
+            option = ""
+        return option