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import signal
import subprocess
import logging
import itertools
import tempfile
from job_queue import JobQueue
if __name__ == '__main__':
import argparse
parser = argparse.ArgumentParser()
parser.add_argument('queue', help='job queue sqlite3 database file')
parser.add_argument('--loglevel', '-l', default='info')
args = parser.parse_args()
numeric_level = getattr(logging, args.loglevel.upper(), None)
if not isinstance(numeric_level, int):
raise ValueError('Invalid log level: %s' % loglevel)
logging.basicConfig(level=numeric_level)
job_queue = JobQueue(args.queue)
signal.signal(signal.SIGALRM, lambda *args: None) # Ignore incoming alarm signals while processing jobs
signal.setitimer(signal.ITIMER_REAL, 0.001, 1)
while signal.sigwait([signal.SIGALRM, signal.SIGINT]) == signal.SIGALRM:
logging.debug('Checking for jobs')
for job in job_queue.job_iter('render'):
logging.info(f'Processing {job.type} job {job.id} session {job["session_id"]} from {job.client} submitted {job.created}')
with job:
try:
with tempfile.NamedTemporaryFile(suffix='.svg') as svg:
subprocess.run(['python3', '-m', 'gerbonara', '--top', job['infile'], svg.name], check=True)
subprocess.run(['resvg', '--dpi', '300', svg.name, job['preview_top_out']], check=True)
with tempfile.NamedTemporaryFile(suffix='.svg') as svg:
subprocess.run(['python3', '-m', 'gerbonara', '--bottom', job['infile'], svg.name], check=True)
subprocess.run(['resvg', '--dpi', '300', svg.name, job['preview_bottom_out']], check=True)
subprocess.run(['python3', '-m', 'gerbolyze', 'template', '--top', job['infile'], job['template_top_out']], check=True)
subprocess.run(['python3', '-m', 'gerbolyze', 'template', '--bottom', job['infile'], job['template_bottom_out']], check=True)
logging.info(f'Finishied processing {job.type} job {job.id}')
job.result = True
except:
logging.exception('Error during job processing')
job.result = False
for job in job_queue.job_iter('vector'):
logging.info(f'Processing {job.type} job {job.id} session {job["session_id"]} from {job.client} submitted {job.created}')
with job:
try:
subprocess.run(['python3', '-m', 'gerbolyze', 'paste', job['gerber_in'], job['overlay'], job['gerber_out']], check=True)
logging.info(f'Finishied processing {job.type} job {job.id}')
job.result = True
except:
logging.exception('Error during job processing')
job.result = False
logging.info('Caught SIGINT. Exiting.')
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