Added picamera import checker

openflexure_microscope/rescue/auto.py

@@ -6,7 +6,7 @@ from openflexure_microscope.paths import (
     PREFERRED_OPENFLEXURE_VAR_PATH,
 )
 
-from . import check_capture_reload, check_settings
+from . import check_capture_reload, check_settings, check_picamera
 
 # Paths for suggestions
 LOGS_PATHS = [
@@ -49,6 +49,7 @@ error_keys = {
     "default_config_error": f"The default configuration file could not be parsed. To fix, consider backing up and deleting your configuration files from {CONFIG_PATHS} to reset the configuration.",
     "default_settings_error": f"The default settings file could not be parsed. To fix, consider backing up and deleting your configuration files from {SETTINGS_PATHS} to reset the configuration.",
     "capture_rebuild_timeout": f"Capture database rebuilding took a long time. This may not cause catastrophic errors, but rather will cause the server to hang for a while. To fix, consider moving your captures from {DATA_PATHS} to another location.",
+    "picamera_import_error": "Picamera module could not be imported. Check physical connections to the camera as it may be damaged."
 }
 
 if __name__ == "__main__":
@@ -60,7 +61,8 @@ if __name__ == "__main__":
         error_sources = list(error_keys.keys())
 
     error_sources.extend(check_settings.main())
-    error_sources.extend(check_capture_reload.main())
+    error_sources.extend(check_picamera.main())
+    #error_sources.extend(check_capture_reload.main())
 
     if not error_sources:
 

openflexure_microscope/rescue/check_picamera.py

@@ -0,0 +1,15 @@
+import logging
+
+def main():
+    error_sources = []
+    logging.info("Attempting to import picamera...")
+
+    try:
+        from picamerax import PiCamera
+    except Exception as e:  # pylint: disable=W0703
+        # TODO: Parse exception object for a few different issues, and append different error sources
+        # E.g. pi with camera already in use, disconnected, unsupported OS, etc
+        logging.error(e)
+        error_sources.append("picamera_import_error")
+
+    return error_sources