Added base plugin resource

openflexure_microscope/common/labthings/find.py

@@ -0,0 +1,32 @@
+from flask import current_app
+
+from . import EXTENSION_NAME
+
+
+def _current_labthing():
+    app = current_app
+    if not app:
+        return None
+    return app.extensions[EXTENSION_NAME]
+
+
+def registered_plugins(labthing_instance=None):
+    if not labthing_instance:
+        labthing_instance = _current_labthing()
+    return labthing_instance.plugins
+
+
+def registered_devices(labthing_instance=None):
+    if not labthing_instance:
+        labthing_instance = _current_labthing()
+    return labthing_instance.devices
+
+
+def find_device(device_name, labthing_instance=None):
+    if not labthing_instance:
+        labthing_instance = _current_labthing()
+
+    if device_name in labthing_instance.devices:
+        return labthing_instance.devices[device_name]
+    else:
+        return None