From fbd3b349dff2da78b12fb6950ea1822f84ecdb9a Mon Sep 17 00:00:00 2001 From: Kaspar Emanuel Date: Wed, 18 Nov 2020 10:59:48 +0000 Subject: [PATCH] Detect camera not enabled picamerax error --- .../rescue/check_picamera.py | 25 ++++++++++++++++--- 1 file changed, 22 insertions(+), 3 deletions(-) diff --git a/openflexure_microscope/rescue/check_picamera.py b/openflexure_microscope/rescue/check_picamera.py index 9b21305d..0c057e1d 100644 --- a/openflexure_microscope/rescue/check_picamera.py +++ b/openflexure_microscope/rescue/check_picamera.py @@ -9,17 +9,36 @@ picamera_import_error = ErrorSource( ) ) +picamera_errors = ( + "Camera is not enabled. Try running 'sudo raspi-config' and ensure that the camera has been enabled.", +) + + def main(): error_sources = [] logging.info("Attempting to import picamera...") try: - from picamerax import PiCamera as _ + 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 + # 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) + else: + import picamerax.exc.PiCameraError + + try: + cam = PiCamera() + except picamerax.exc.PiCameraError as e: + if e.args[0] in picamera_errors: + error_sources.append(ErrorSource(e.args[0])) + + + + + return error_sources