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py: cam.py: Exit on exception

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Catch exceptions in the event_handler, as they would get ignored
otherwise. Print the exception and return False so that the main loop
exits.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Tomi Valkeinen 2022-05-18 16:13:19 +03:00 • committed by Laurent Pinchart
parent 7ac7e0e119
commit 1384cedf50
1 changed files with 14 additions and 9 deletions
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23
src/py/cam/cam.py
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@ -11,6 +11,7 @@ import binascii
import libcamera as libcam import libcamera as libcam
import os import os
import sys import sys
import traceback
class CustomAction(argparse.Action): class CustomAction(argparse.Action):
@ -286,19 +287,23 @@ def capture_start(contexts):
# Called from renderer when there is a libcamera event # Called from renderer when there is a libcamera event
def event_handler(state): def event_handler(state):
cm = state['cm'] try:
contexts = state['contexts'] cm = state['cm']
contexts = state['contexts']
os.read(cm.efd, 8) os.read(cm.efd, 8)
reqs = cm.get_ready_requests() reqs = cm.get_ready_requests()
for req in reqs: for req in reqs:
ctx = next(ctx for ctx in contexts if ctx['idx'] == req.cookie) ctx = next(ctx for ctx in contexts if ctx['idx'] == req.cookie)
request_handler(state, ctx, req) request_handler(state, ctx, req)
running = any(ctx['reqs-completed'] < ctx['opt-capture'] for ctx in contexts) running = any(ctx['reqs-completed'] < ctx['opt-capture'] for ctx in contexts)
return running return running
except Exception as e:
traceback.print_exc()
return False
def request_handler(state, ctx, req): def request_handler(state, ctx, req):