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Explicitally acquire camera lock

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This commit is contained in:
Joel Collins 2019-01-24 14:05:45 +00:00
parent 5c86c7f350
commit cb441201c6
1 changed files with 11 additions and 9 deletions
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20
openflexure_microscope/api/v1/blueprints/camera/capture.py
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@ -114,16 +114,18 @@ class ListAPI(MicroscopeView):
else:
abort(400)
output = self.microscope.camera.new_image(
write_to_file=True,
temporary=temporary,
filename=filename)
# Explicitally acquire lock (prevents empty files being created if lock is unavailable)
with self.microscope.camera.lock:
output = self.microscope.camera.new_image(
write_to_file=True,
temporary=temporary,
filename=filename)
self.microscope.camera.capture(
output,
use_video_port=use_video_port,
resize=resize,
bayer=bayer)
self.microscope.camera.capture(
output,
use_video_port=use_video_port,
resize=resize,
bayer=bayer)
return jsonify(output.state)