Started integrating into Microscope class

openflexure_microscope/__init__.py

@@ -1 +1,3 @@
+from .microscope import Microscope
+
 __version__ = "0.1.0"

openflexure_microscope/camera/base.py

@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 import time
 import io
 import threading

openflexure_microscope/microscope.py

@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+import numpy as np
+
+from openflexure_stage import OpenFlexureStage
+from .camera.pi import StreamingCamera
+
+
+class Microscope(object):
+    def __init__(self, camera: StreamingCamera, stage: OpenFlexureStage):
+        """Create the microscope object.  The camera and stage should already be initialised."""
+        self.camera = camera
+        self.stage = stage
+        self.stage.backlash = np.zeros(3, dtype=np.int)
+
+    def __enter__(self):
+        """Create microscope on context enter."""
+        return self
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        """Close microscope on context exit."""
+        self.close()
+
+    def close(self):
+        """Shut down the microscope hardware."""
+        self.camera.close()
+        self.stage.close()

tests/test_microscope.py

@@ -0,0 +1,55 @@
+#!/usr/bin/env python
+from openflexure_microscope.camera.pi import StreamingCamera
+from openflexure_stage import OpenFlexureStage
+from openflexure_microscope import Microscope
+
+import os
+import io
+import sys
+import time
+import numpy as np
+import uuid
+
+from PIL import Image
+
+import unittest
+from pprint import pprint
+
+import logging, sys
+logging.basicConfig(stream=sys.stderr, level=logging.DEBUG)
+
+success_string = """
+            /O
+           | |
+      _____) \\
+     (__0)    \\______
+    (____0)
+    (____0)        EVERYTHING IS OK!
+     (__o)___________
+    """
+
+
+class TestMicroscope(unittest.TestCase):
+
+    def test_startup(self):
+        """Tests capturing still images to a BytesIO stream."""
+        global microscope
+        pass
+
+
+if __name__ == '__main__':
+    with StreamingCamera() as camera, OpenFlexureStage(None) as stage:
+
+        microscope = Microscope(camera, stage)
+
+        suites = [
+            unittest.TestLoader().loadTestsFromTestCase(TestMicroscope),
+        ]
+
+        alltests = unittest.TestSuite(suites)
+
+        result = unittest.TextTestRunner(verbosity=2).run(alltests)
+
+        if result.wasSuccessful():
+            print(success_string)
+