kopia lustrzana https://github.com/jaseg/gerbolyze
99 wiersze
4.0 KiB
Python
99 wiersze
4.0 KiB
Python
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import os
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import sys
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import signal
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import subprocess
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import logging
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import itertools
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import tempfile
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from pathlib import Path
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from job_queue import JobQueue
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def run_resvg(*args):
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if 'RESVG' in os.environ:
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subprocess.run([os.environ['RESVG'], *args], check=True)
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else:
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# By default, try four options:
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for candidate in [
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# somewhere in $PATH
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'resvg',
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# in user-local cargo installation
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Path.home() / '.cargo' / 'bin' / 'resvg',
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# somewhere in $PATH
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'wasi-resvg',
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# in user-local pip installation
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Path.home() / '.local' / 'bin' / 'wasi-resvg',
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# next to our current python interpreter (e.g. in virtualenv)
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str(Path(sys.executable).parent / 'resvg'),
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str(Path(sys.executable).parent / 'wasi-resvg') ]:
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try:
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subprocess.run([candidate, *args], check=True)
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print('used svg-flatten at', candidate)
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break
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except (FileNotFoundError, ModuleNotFoundError):
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continue
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else:
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raise SystemError('svg-flatten executable not found')
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def process_job(job_queue):
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logging.debug('Checking for jobs')
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for job in job_queue.job_iter('render'):
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logging.info(f'Processing {job.type} job {job.id} session {job["session_id"]} from {job.client} submitted {job.created}')
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with job:
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try:
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with tempfile.NamedTemporaryFile(suffix='.svg') as svg:
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subprocess.run(['python3', '-m', 'gerbonara', '--top', job['infile'], svg.name], check=True)
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run_resvg('--dpi', '300', svg.name, job['preview_top_out'])
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with tempfile.NamedTemporaryFile(suffix='.svg') as svg:
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subprocess.run(['python3', '-m', 'gerbonara', '--bottom', job['infile'], svg.name], check=True)
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run_resvg('--dpi', '300', svg.name, job['preview_bottom_out'])
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subprocess.run(['python3', '-m', 'gerbolyze', 'template', '--top', job['infile'], job['template_top_out']], check=True)
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subprocess.run(['python3', '-m', 'gerbolyze', 'template', '--bottom', job['infile'], job['template_bottom_out']], check=True)
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logging.info(f'Finishied processing {job.type} job {job.id}')
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job.result = True
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except:
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logging.exception('Error during job processing')
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job.result = False
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for job in job_queue.job_iter('vector'):
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logging.info(f'Processing {job.type} job {job.id} session {job["session_id"]} from {job.client} submitted {job.created}')
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with job:
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try:
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subprocess.run(['python3', '-m', 'gerbolyze', 'paste', job['gerber_in'], job['overlay'], job['gerber_out']], check=True)
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logging.info(f'Finishied processing {job.type} job {job.id}')
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job.result = True
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except:
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logging.exception('Error during job processing')
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job.result = False
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if __name__ == '__main__':
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import argparse
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parser = argparse.ArgumentParser()
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parser.add_argument('queue', help='job queue sqlite3 database file')
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parser.add_argument('--loglevel', '-l', default='info')
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args = parser.parse_args()
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numeric_level = getattr(logging, args.loglevel.upper(), None)
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if not isinstance(numeric_level, int):
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raise ValueError('Invalid log level: %s' % loglevel)
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logging.basicConfig(level=numeric_level)
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job_queue = JobQueue(args.queue)
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print('Job processor online')
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signal.signal(signal.SIGALRM, lambda *args: None) # Ignore incoming alarm signals while processing jobs
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signal.setitimer(signal.ITIMER_REAL, 0.001, 1)
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while signal.sigwait([signal.SIGALRM, signal.SIGINT]) == signal.SIGALRM:
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process_job(job_queue)
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logging.info('Caught SIGINT. Exiting.')
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