Catch up with hamster-lib 0.13 config helper changes

``hamster-lib 0.13.0`` changes the interface of the configuration helpers
in a backwards incompatible way. The now unnecessary helper was also removed.

Closes: projecthamster#182

hamster_gtk/hamster_gtk.py

@@ -40,9 +40,6 @@
 from hamster_gtk.helpers import get_parent_window, get_resource_path
 from six import text_type
 
-# [FIXME]
-# Remove once hamster-lib has been patched
-from hamster_gtk.helpers import get_config_instance
 from hamster_gtk.misc import HamsterAboutDialog as AboutDialog
 from hamster_gtk.overview import OverviewDialog
 from hamster_gtk.preferences import PreferencesDialog
@@ -174,6 +171,9 @@ def __init__(self):
         """Setup instance and make sure default signals are connected to methods."""
         super(HamsterGTK, self).__init__()
         self.window = None
+
+        self._appdirs = config_helpers.HamsterAppDirs('hamster-gtk')
+
         # Which config backend to use.
         self.config_store = 'file'
         # Yes this is redundent, but more transparent. And we can worry about
@@ -195,7 +195,7 @@ def save_config(self, config):
             dict: Dictionary of config keys and values.
         """
         cp_instance = self._config_to_configparser(config)
-        config_helpers.write_config_file(cp_instance, 'hamster-gtk', 'hamster-gtk.conf')
+        config_helpers.write_config_file(cp_instance, self._appdirs, 'hamster-gtk.conf')
         self.controler.signal_handler.emit('config-changed')
 
     def _startup(self, app):
@@ -249,7 +249,7 @@ def _get_default_config(self):
 
         Note: Those defaults are independend of the particular config store.
         """
-        appdirs = config_helpers.HamsterAppDirs('hamster-gtk')
+        appdirs = self._appdirs
         return {
             # Backend
             'store': 'sqlalchemy',
@@ -362,7 +362,7 @@ def _write_config_to_file(self, configparser_instance):
         Args:
             cp_instance (SafeConfigParser): Instance to be written to file.
         """
-        config_helpers.write_config_file(configparser_instance, 'hamster-gtk', 'hamster-gtk.conf')
+        config_helpers.write_config_file(configparser_instance, self._appdirs, 'hamster-gtk.conf')
 
     def _get_config_from_file(self):
         """
@@ -380,7 +380,8 @@ def get_fallback():
             config = self._get_default_config()
             return self._config_to_configparser(config)
 
-        cp_instance = get_config_instance(get_fallback(), 'hamster-gtk', 'hamster-gtk.conf')
+        cp_instance = config_helpers.load_config_file(self._appdirs, 'hamster-gtk.conf',
+            get_fallback())
         return self._configparser_to_config(cp_instance)
 
 

setup.py

@@ -16,7 +16,8 @@
     history = history_file.read().replace('.. :changelog:', '')
 
 requirements = [
-    'hamster-lib',
+    'orderedset',
+    'hamster-lib >=0.13.0,<0.14.0',
 ]
 
 setup(