Microscope capture objects now just handle on-disk data

openflexure_microscope/camera/mock.py

@@ -90,24 +90,18 @@ class MockStreamer(BaseCamera):
         Args:
             config (dict): Dictionary of config parameters.
         """
-        paused_stream = False
-        logging.debug("PiCameraStreamer: Applying config:")
+        logging.debug("MockStreamer: Applying config:")
         logging.debug(config)
 
         with self.lock:
 
-            # Apply valid config params to Picamera object
+            # Apply valid config params to camera object
             if not self.state["record_active"]:  # If not recording a video
 
-                # PiCameraStreamer parameters
                 for key, value in config.items():  # For each provided setting
                     if hasattr(self, key):
                         setattr(self, key, value)
 
-                # If stream was paused to update config, unpause
-                if paused_stream:
-                    logging.info("Resuming stream.")
-
             else:
                 raise Exception(
                     "Cannot update camera config while recording is active."
@@ -135,7 +129,7 @@ class MockStreamer(BaseCamera):
         Start a new video recording, writing to a output object.
 
         Args:
-            output (CaptureObject/str): Output object to write data bytes to.
+            output: String or file-like object to write capture data to
             fmt (str): Format of the capture.
             quality (int): Video recording quality.
 
@@ -167,7 +161,7 @@ class MockStreamer(BaseCamera):
         Target object can be overridden for development purposes.
 
         Args:
-            output (CaptureObject/str): Output object to write data bytes to.
+            output: String or file-like object to write capture data to
             use_video_port (bool): Capture from the video port used for streaming. Lower resolution, faster.
             fmt (str): Format of the capture.
             resize ((int, int)): Resize the captured image.
@@ -175,7 +169,12 @@ class MockStreamer(BaseCamera):
         """
 
         with self.lock:
-            logging.warning("Capture not implemented in mock camera")
+            if isinstance(output, str):
+                output = open(output, 'wb')
+
+            output.write(self.stream.getvalue())
+
+            output.close()
 
     # HANDLE STREAM FRAMES