first implementation of protobuf

restructure in client server model
loads of work still missing

ledd/effect/generatoreffect.py

@@ -0,0 +1,46 @@
+# LEDD Project
+# Copyright (C) 2015 LEDD Team
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from spectra import Color
+
+from ledd.effect.baseeffect import BaseEffect
+
+
+class GeneratorEffect(BaseEffect):
+    """
+    This is a base class for simple effect.
+    It should yield a new color on each execution.
+    """
+
+    def __init__(self):
+        """
+        Do not override, use setup instead.
+        """
+        self.generator = self.execute()
+
+    def setup(self):
+        pass
+
+    def execute_internal(self):
+        c = next(self.generator)
+        assert isinstance(c, Color)
+        return c
+
+    def execute(self):
+        pass
+
+    def tear_down(self):
+        pass