mirror of
https://gitlab.ub.uni-bielefeld.de/sfb1288inf/nopaque.git
synced 2024-11-15 09:15:41 +00:00
72 lines
3.0 KiB
Python
72 lines
3.0 KiB
Python
from app import db, logger
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from app.jobs.forms import AddNLPJobForm, AddOCRJobForm
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from app.models import Job, JobInput
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from flask import (abort, current_app, flash, make_response, render_template,
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request, url_for)
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from flask_login import current_user, login_required
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from werkzeug.utils import secure_filename
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from . import services
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import json
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import os
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SERVICES = {'nlp': {'name': 'Natural Language Processing',
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'resources': {'mem_mb': 4096, 'n_cores': 2},
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'add_job_form': AddNLPJobForm},
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'ocr': {'name': 'Optical Character Recognition',
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'resources': {'mem_mb': 8192, 'n_cores': 4},
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'add_job_form': AddOCRJobForm}}
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@services.route('/<service>', methods=['GET', 'POST'])
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@login_required
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def service(service):
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if service not in SERVICES:
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abort(404)
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add_job_form = SERVICES[service]['add_job_form']()
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if add_job_form.is_submitted():
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if not add_job_form.validate():
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return make_response(add_job_form.errors, 400)
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service_args = []
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if service == 'nlp':
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service_args.append('-l {}'.format(add_job_form.language.data))
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if service == 'ocr':
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service_args.append('-l {}'.format(add_job_form.language.data))
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if not add_job_form.binarization.data:
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service_args.append('--skip-binarisation')
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job = Job(creator=current_user,
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description=add_job_form.description.data,
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mem_mb=SERVICES[service]['resources']['mem_mb'],
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n_cores=SERVICES[service]['resources']['n_cores'],
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service=service, service_args=json.dumps(service_args),
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service_version=add_job_form.version.data,
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status='preparing', title=add_job_form.title.data)
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db.session.add(job)
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db.session.commit()
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relative_dir = os.path.join(str(job.user_id), 'jobs', str(job.id))
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absolut_dir = os.path.join(
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current_app.config['OPAQUE_STORAGE_DIRECTORY'], relative_dir)
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try:
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os.makedirs(absolut_dir)
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except OSError:
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job.delete()
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flash('Internal Server Error')
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return make_response(
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{'redirect_url': url_for('services.service', service='ocr')},
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500)
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else:
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for file in add_job_form.files.data:
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filename = secure_filename(file.filename)
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file.save(os.path.join(absolut_dir, filename))
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job_input = JobInput(dir=relative_dir, filename=filename,
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job=job)
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db.session.add(job_input)
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job.status = 'submitted'
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db.session.commit()
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flash('Job added!')
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return make_response(
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{'redirect_url': url_for('jobs.job', job_id=job.id)}, 201)
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return render_template('services/{}.html.j2'.format(service),
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title=SERVICES[service]['name'],
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add_job_form=add_job_form)
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