Make controller classes and screen classes inherit from abstract classes

Signed-off-by: Olivier Gayot <olivier.gayot@sigexec.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/pycameltris/screens/Screen.py b/pycameltris/screens/Screen.py
new file mode 100644
index 0000000..01f80ab
--- /dev/null
+++ b/pycameltris/screens/Screen.py
@@ -0,0 +1,12 @@
+import abc
+
+
+class Screen(abc.ABC):
+    @abc.abstractmethod
+    def refresh(self):
+        pass
+
+    @abc.abstractmethod
+    def oneframe(self):
+        pass
+