nopaque/app/services/views.py
2019-08-11 19:01:19 +02:00

113 lines
3.8 KiB
Python

from flask import current_app, flash, redirect, render_template, url_for
from . import services
from flask_login import current_user, login_required
from .forms import NewOCRJobForm, NewNLPJobForm
from ..models import Job
from ..import swarm
from .. import db
from threading import Thread
import json
import os
@services.route('/nlp', methods=['GET', 'POST'])
@login_required
def nlp():
new_nlp_job_form = NewNLPJobForm()
if new_nlp_job_form.validate_on_submit():
nlp_job = Job(creator=current_user,
description=new_nlp_job_form.description.data,
mem_mb=4096,
n_cores=2,
service='nlp',
service_args=json.dumps(['-l {}'.format(new_nlp_job_form.language.data)]),
service_version=new_nlp_job_form.version.data,
status='submitted',
title=new_nlp_job_form.title.data)
db.session.add(nlp_job)
db.session.commit()
dir = os.path.join(current_app.config['OPAQUE_STORAGE'],
str(nlp_job.user_id),
'jobs',
str(nlp_job.id))
try:
os.makedirs(dir)
except OSError:
flash('OSError!')
db.session.remove(nlp_job)
db.session.commit()
else:
for file in new_nlp_job_form.files.data:
file.save(os.path.join(dir, file.filename))
'''
' TODO: Let the scheduler run this job in the background.
'
' NOTE: Using self created threads is just for testing purpose as
' there is no scheduler available.
'''
thread = Thread(target=swarm.run, args=(nlp_job.id,))
thread.start()
flash('Job created!')
return redirect(url_for('services.nlp'))
return render_template(
'services/nlp.html.j2',
title='Natrual Language Processing',
new_nlp_job_form=new_nlp_job_form
)
@services.route('/ocr', methods=['GET', 'POST'])
@login_required
def ocr():
new_ocr_job_form = NewOCRJobForm()
if new_ocr_job_form.validate_on_submit():
ocr_job = Job(creator=current_user,
description=new_ocr_job_form.description.data,
mem_mb=8192,
n_cores=4,
service='ocr',
service_args=json.dumps([
'-l {}'.format(new_ocr_job_form.language.data),
'--skip-binarisation']),
service_version=new_ocr_job_form.version.data,
status='submitted',
title=new_ocr_job_form.title.data)
db.session.add(ocr_job)
db.session.commit()
dir = os.path.join(current_app.config['OPAQUE_STORAGE'],
str(ocr_job.user_id),
'jobs',
str(ocr_job.id))
try:
os.makedirs(dir)
except OSError:
flash('OSError!')
db.session.remove(ocr_job)
db.session.commit()
else:
for file in new_ocr_job_form.files.data:
file.save(os.path.join(dir, file.filename))
'''
' TODO: Let the scheduler run this job in the background.
'
' NOTE: Using self created threads is just for testing purpose as
' there is no scheduler available.
'''
thread = Thread(target=swarm.run, args=(ocr_job.id,))
thread.start()
flash('Job created!')
return redirect(url_for('services.ocr'))
return render_template(
'services/ocr.html.j2',
title='Optical Character Recognition',
new_ocr_job_form=new_ocr_job_form
)