New year, big checkin

[jamaendo] / jamaui / settings.py

diff --git a/jamaui/settings.py b/jamaui/settings.py
new file mode 100644 (file)
index 0000000..5820310
--- /dev/null
+++ b/jamaui/settings.py
@@ -0,0 +1,57 @@
+import cPickle, os
+import logging
+
+VERSION = 1
+log = logging.getLogger(__name__)
+
+class Settings(object):
+    defaults = {
+        'volume':0.5,
+        'user':None,
+        'favorites':set([]) # local favorites - until we can sync back
+        }
+
+    def __init__(self):
+        self.__savename = "/tmp/jaemendo_uisettings"
+        for k,v in self.defaults.iteritems():
+            setattr(self, k, v)
+
+    def set_filename(self, savename):
+        self.__savename = savename
+
+    def favorite(self, album):
+        self.favorites.add(('album', album.ID))
+        self.save()
+
+    def load(self):
+        if not os.path.isfile(self.__savename):
+            return
+        try:
+            f = open(self.__savename)
+            settings = cPickle.load(f)
+            f.close()
+
+            if settings['version'] > VERSION:
+                log.warning("Settings version %s higher than current version (%s)",
+                            settings['version'], VERSION)
+
+            for k in self.defaults.keys():
+                if k in settings:
+                    setattr(self, k, settings[k])
+        except Exception, e:
+            log.exception('failed to load settings')
+
+    def save(self):
+        try:
+            settings = {
+                'version':VERSION,
+                }
+            for k in self.defaults.keys():
+                settings[k] = getattr(self, k)
+            f = open(self.__savename, 'w')
+            cPickle.dump(settings, f)
+            f.close()
+        except Exception, e:
+            log.exception('failed to save settings')
+
+settings = Settings()