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Detect camera not enabled picamerax error

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This commit is contained in:
Kaspar Emanuel 2020-11-18 10:59:48 +00:00
parent 9be4b32bf8
commit fbd3b349df
1 changed files with 22 additions and 3 deletions
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25
openflexure_microscope/rescue/check_picamera.py
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@ -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(): def main():
error_sources = [] error_sources = []
logging.info("Attempting to import picamera...") logging.info("Attempting to import picamera...")
try: try:
from picamerax import PiCamera as _ from picamerax import PiCamera
except Exception as e: # pylint: disable=W0703 except Exception as e: # pylint: disable=W0703
# TODO: Parse exception object for a few different issues, and append different error sources # TODO: Parse exception object for a few different issues, and append
# E.g. pi with camera already in use, disconnected, unsupported OS, etc # different error sources E.g. pi with camera already in use,
# disconnected, unsupported OS, etc
logging.error(e) logging.error(e)
error_sources.append(picamera_import_error) 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 return error_sources