Added saving theme to settings

Also updated method how to change theme.

Author: AnonymousX86

python_password/PyPassword.py

@@ -20,6 +20,7 @@
 from python_password.utils.crypto import *
 from python_password.utils.database import *
 from python_password.utils.files import *
+from python_password.utils.settings import *
 
 
 class SimpleDialog:
@@ -94,7 +95,7 @@ def build(self):
     def on_start(self):
         self.update_passwords_list()
         self.masters_ok()
-        # self.switch_theme()
+        self.switch_theme(get_theme())
 
     # ================================
     #           Information
@@ -502,19 +503,28 @@ def update_passwords_list(self):
     # ================================
 
     def switch_theme(self, force=None):
-        if force is not None:
-            self.theme_cls.theme_style = force
+        """
+        Changes theme to opposite or forced.
+        :param force: Which theme has to be applied.
+        :return: Nothing.
+        """
+        if force == 'Light':
+            current = 'Dark'
+        elif force == 'Dark':
+            current = 'Light'
+        else:
+            current = self.theme_cls.theme_style
 
-        elif self.theme_cls.theme_style == 'Light':
+        if current == 'Light':
             self.theme_cls.theme_style = 'Dark'
             self.text_color_hex = 'ffffff'
             self.text_color_rgba = (1, 1, 1, 1)
-
-        elif self.theme_cls.theme_style == 'Dark':
+            set_theme('Dark')
+        elif current == 'Dark':
             self.theme_cls.theme_style = 'Light'
             self.text_color_hex = '111111'
             self.text_color_rgba = (.06, .06, .06, 1)
-
+            set_theme('Light')
         else:
             raise NameError('No theme found')
 

python_password/utils/files.py

@@ -6,6 +6,7 @@ class Files:
     """Names for program's files."""
     alpha_key = 'Alpha.key'
     beta_key = 'Beta.key'
+    settings = 'Settings.json'
     sqlite = 'Passwords.db'
 
 

python_password/utils/settings.py

@@ -0,0 +1,60 @@
+# -*- coding: utf-8 -*-
+from json import dump, load
+
+from python_password.utils.files import appdata, Files
+
+
+default_settings = {
+    'theme': 'Light'
+}
+
+
+def create_settings():
+    try:
+        open(appdata(Files.settings), 'x')
+    except FileExistsError:
+        pass
+    with open(appdata(Files.settings), 'w') as f:
+        dump(default_settings, f)
+
+
+reset_settings = create_settings
+
+
+def set_setting(name: str, value):
+    try:
+        open(appdata(Files.settings))
+    except FileNotFoundError:
+        create_settings()
+    finally:
+        with open(appdata(Files.settings)) as f:
+            settings = load(f)
+
+    settings[name] = value
+
+    with open(appdata(Files.settings), 'w') as f:
+        dump(settings, f)
+
+
+def get_setting(name: str):
+    try:
+        open(appdata(Files.settings))
+    except FileNotFoundError:
+        create_settings()
+    finally:
+        with open(appdata(Files.settings)) as f:
+            settings = load(f)
+    try:
+        result = settings[name]
+    except IndexError:
+        return IndexError('Missing setting')
+    else:
+        return result
+
+
+def set_theme(theme: str):
+    set_setting('theme', theme)
+
+
+def get_theme():
+    return get_setting('theme')