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https://gitlab.ub.uni-bielefeld.de/sfb1288inf/nopaque.git
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421 lines
14 KiB
Python
421 lines
14 KiB
Python
from datetime import datetime
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from flask import (
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abort,
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current_app,
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flash,
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jsonify,
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Markup,
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redirect,
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render_template,
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request,
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send_from_directory,
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url_for
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)
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from flask_login import current_user, login_required
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from threading import Thread
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import os
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from .decorators import corpus_follower_permission_required, corpus_owner_or_admin_required
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from app import db, hashids
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from app.decorators import content_negotiation
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from app.models import (
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Corpus,
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CorpusFile,
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CorpusFollowerAssociation,
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CorpusFollowerRole,
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CorpusStatus,
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User
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)
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from . import bp
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from .forms import (
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CreateCorpusFileForm,
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CreateCorpusForm,
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UpdateCorpusFileForm
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)
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@bp.route('/create', methods=['GET', 'POST'])
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@login_required
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def create_corpus():
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form = CreateCorpusForm()
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if form.validate_on_submit():
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try:
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corpus = Corpus.create(
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title=form.title.data,
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description=form.description.data,
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user=current_user
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)
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except OSError:
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abort(500)
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db.session.commit()
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message = Markup(
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f'Corpus "<a href="{corpus.url}">{corpus.title}</a>" created'
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)
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flash(message, 'corpus')
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return redirect(corpus.url)
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return render_template(
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'corpora/create_corpus.html.j2',
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form=form,
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title='Create corpus'
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)
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@bp.route('/public')
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@login_required
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def public_corpora():
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corpora = [
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c.to_json_serializeable()
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for c in Corpus.query.filter(Corpus.is_public == True).all()
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]
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return render_template(
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'corpora/public_corpora.html.j2',
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corpora=corpora,
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title='Corpora'
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)
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##############################################################################
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# Corpus #
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##############################################################################
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#region corpus
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@bp.route('/<hashid:corpus_id>')
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@login_required
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def corpus(corpus_id):
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corpus = Corpus.query.get_or_404(corpus_id)
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corpus_follower_roles = CorpusFollowerRole.query.all()
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if corpus.user == current_user or current_user.is_administrator():
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return render_template(
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'corpora/corpus.html.j2',
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corpus=corpus,
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corpus_follower_roles=corpus_follower_roles,
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title='Corpus'
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)
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if current_user.is_following_corpus(corpus) or corpus.is_public:
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cfa = CorpusFollowerAssociation.query.filter_by(corpus_id=corpus_id, follower_id=current_user.id).first_or_404()
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corpus_files = [x.to_json_serializeable() for x in corpus.files]
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owner = corpus.user.to_json_serializeable()
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return render_template(
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'corpora/public_corpus.html.j2',
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corpus=corpus,
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corpus_files=corpus_files,
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cfa=cfa,
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owner=owner,
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title='Corpus',
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)
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abort(403)
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@bp.route('/<hashid:corpus_id>/analyse')
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@login_required
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@corpus_follower_permission_required('VIEW')
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def analyse_corpus(corpus_id):
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corpus = Corpus.query.get_or_404(corpus_id)
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return render_template(
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'corpora/analyse_corpus.html.j2',
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corpus=corpus,
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title=f'Analyse Corpus {corpus.title}'
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)
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@bp.route('/<hashid:corpus_id>/generate-corpus-share-link', methods=['GET', 'POST'])
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@login_required
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@corpus_follower_permission_required('GENERATE_SHARE_LINK')
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def generate_corpus_share_link(corpus_id):
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corpus_hashid = hashids.encode(corpus_id)
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data = request.get_json('data')
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role_name = data['role']
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exp_data = data['expiration']
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expiration = datetime.strptime(exp_data, '%b %d, %Y')
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token = current_user.generate_follow_corpus_token(corpus_hashid, role_name, expiration)
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link = url_for('corpora.follow_corpus', corpus_id=corpus_id, token=token, _external=True)
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return link
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@bp.route('/<hashid:corpus_id>/follow/<token>')
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@login_required
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def follow_corpus(corpus_id, token):
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corpus = Corpus.query.get_or_404(corpus_id)
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if current_user.follow_corpus_by_token(token):
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db.session.commit()
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flash(f'You are following {corpus.title} now', category='corpus')
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return redirect(url_for('corpora.corpus', corpus_id=corpus_id))
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abort(403)
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@bp.route('/import', methods=['GET', 'POST'])
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@login_required
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def import_corpus():
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abort(503)
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@bp.route('/<hashid:corpus_id>/export')
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@login_required
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def export_corpus(corpus_id):
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abort(503)
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#region json-routes
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@bp.route('/<hashid:corpus_id>', methods=['DELETE'])
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@login_required
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@corpus_owner_or_admin_required
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@content_negotiation(produces='application/json')
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def delete_corpus(corpus_id):
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def _delete_corpus(app, corpus_id):
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with app.app_context():
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corpus = Corpus.query.get(corpus_id)
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corpus.delete()
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db.session.commit()
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corpus = Corpus.query.get_or_404(corpus_id)
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thread = Thread(
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target=_delete_corpus,
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args=(current_app._get_current_object(), corpus.id)
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)
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thread.start()
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response_data = {
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'message': f'Corpus "{corpus.title}" marked for deletion',
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'category': 'corpus'
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}
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response = jsonify(response_data)
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response.status_code = 200
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return response
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@bp.route('/<hashid:corpus_id>/build', methods=['POST'])
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@login_required
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@corpus_owner_or_admin_required
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@content_negotiation(produces='application/json')
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def build_corpus(corpus_id):
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def _build_corpus(app, corpus_id):
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with app.app_context():
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corpus = Corpus.query.get(corpus_id)
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corpus.build()
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db.session.commit()
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corpus = Corpus.query.get_or_404(corpus_id)
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if not (corpus.user == current_user or current_user.is_administrator()):
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abort(403)
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if len(corpus.files.all()) == 0:
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abort(409)
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thread = Thread(
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target=_build_corpus,
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args=(current_app._get_current_object(), corpus_id)
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)
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thread.start()
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response_data = {
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'message': f'Corpus "{corpus.title}" marked for building',
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'category': 'corpus'
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}
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response = jsonify(response_data)
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response.status_code = 202
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return response
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@bp.route('/<hashid:corpus_id>/is_public', methods=['PUT'])
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@login_required
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@corpus_owner_or_admin_required
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@content_negotiation(consumes='application/json', produces='application/json')
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def update_corpus_is_public(corpus_id):
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is_public = request.json
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if not isinstance(is_public, bool):
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abort(400)
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corpus = Corpus.query.get_or_404(corpus_id)
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corpus.is_public = is_public
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db.session.commit()
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response_data = {
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'message': (
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f'Corpus "{corpus.title}" is now'
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f' {"public" if is_public else "private"}'
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),
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'category': 'corpus'
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}
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response = jsonify(response_data)
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response.status_code = 200
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return response
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#endregion json-routes
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#endregion corpus
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##############################################################################
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# Corpus/Files #
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##############################################################################
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#region files
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@bp.route('/<hashid:corpus_id>/files/create', methods=['GET', 'POST'])
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@login_required
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@corpus_follower_permission_required('ADD_CORPUS_FILE')
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def create_corpus_file(corpus_id):
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corpus = Corpus.query.get_or_404(corpus_id)
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if not (corpus.user == current_user or current_user.is_administrator()):
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abort(403)
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form = CreateCorpusFileForm()
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if form.is_submitted():
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if not form.validate():
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response = {'errors': form.errors}
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return response, 400
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try:
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corpus_file = CorpusFile.create(
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form.vrt.data,
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address=form.address.data,
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author=form.author.data,
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booktitle=form.booktitle.data,
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chapter=form.chapter.data,
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editor=form.editor.data,
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institution=form.institution.data,
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journal=form.journal.data,
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pages=form.pages.data,
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publisher=form.publisher.data,
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publishing_year=form.publishing_year.data,
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school=form.school.data,
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title=form.title.data,
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mimetype='application/vrt+xml',
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corpus=corpus
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)
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except (AttributeError, OSError):
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abort(500)
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corpus.status = CorpusStatus.UNPREPARED
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db.session.commit()
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message = Markup(
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'Corpus file'
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f'"<a href="{corpus_file.url}">{corpus_file.filename}</a>" added'
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)
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flash(message, category='corpus')
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return {}, 201, {'Location': corpus.url}
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return render_template(
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'corpora/create_corpus_file.html.j2',
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corpus=corpus,
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form=form,
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title='Add corpus file'
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)
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@bp.route('/<hashid:corpus_id>/files/<hashid:corpus_file_id>', methods=['GET', 'POST'])
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@login_required
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@corpus_follower_permission_required('UPDATE_CORPUS_FILE')
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def corpus_file(corpus_id, corpus_file_id):
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corpus_file = CorpusFile.query.filter_by(corpus_id = corpus_id, id=corpus_file_id).first_or_404()
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form = UpdateCorpusFileForm(data=corpus_file.to_json_serializeable())
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if form.validate_on_submit():
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form.populate_obj(corpus_file)
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if db.session.is_modified(corpus_file):
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corpus_file.corpus.status = CorpusStatus.UNPREPARED
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db.session.commit()
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message = Markup(f'Corpus file "<a href="{corpus_file.url}">{corpus_file.filename}</a>" updated')
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flash(message, category='corpus')
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return redirect(corpus_file.corpus.url)
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return render_template(
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'corpora/corpus_file.html.j2',
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corpus=corpus_file.corpus,
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corpus_file=corpus_file,
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form=form,
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title='Edit corpus file'
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)
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@bp.route('/<hashid:corpus_id>/files/<hashid:corpus_file_id>/download')
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@login_required
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@corpus_follower_permission_required('VIEW')
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def download_corpus_file(corpus_id, corpus_file_id):
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corpus_file = CorpusFile.query.filter_by(corpus_id = corpus_id, id=corpus_file_id).first_or_404()
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if not (corpus_file.corpus.user == current_user or current_user.is_administrator()):
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abort(403)
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return send_from_directory(
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os.path.dirname(corpus_file.path),
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os.path.basename(corpus_file.path),
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as_attachment=True,
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attachment_filename=corpus_file.filename,
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mimetype=corpus_file.mimetype
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)
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#region json-routes
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@bp.route('/<hashid:corpus_id>/files/<hashid:corpus_file_id>', methods=['DELETE'])
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@login_required
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@corpus_follower_permission_required('REMOVE_CORPUS_FILE')
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@content_negotiation(produces='application/json')
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def delete_corpus_file(corpus_id, corpus_file_id):
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def _delete_corpus_file(app, corpus_file_id):
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with app.app_context():
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corpus_file = CorpusFile.query.get(corpus_file_id)
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corpus_file.delete()
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db.session.commit()
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corpus_file = CorpusFile.query.filter_by(corpus_id=corpus_id, id=corpus_file_id).first_or_404()
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thread = Thread(
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target=_delete_corpus_file,
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args=(current_app._get_current_object(), corpus_file.id)
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)
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thread.start()
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return {}, 202
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#endregion json-routes
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#endregion files
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##############################################################################
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# Corpus/Followers #
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##############################################################################
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#region followers
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#region json-routes
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@bp.route('/<hashid:corpus_id>/followers', methods=['POST'])
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@login_required
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@corpus_owner_or_admin_required
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@content_negotiation(consumes='application/json', produces='application/json')
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def add_corpus_followers(corpus_id):
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usernames = request.json
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if not (isinstance(usernames, list) or all(isinstance(u, str) for u in usernames)):
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abort(400)
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corpus = Corpus.query.get_or_404(corpus_id)
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for username in usernames:
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user = User.query.filter_by(username=username, is_public=True).first_or_404()
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user.follow_corpus(corpus)
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db.session.commit()
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resonse_data = {
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'message': f'Users are now following "{corpus.title}"',
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'category': 'corpus'
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}
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response = jsonify(resonse_data)
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response.status_code = 200
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return response
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@bp.route('/<hashid:corpus_id>/followers/<hashid:follower_id>', methods=['DELETE'])
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@login_required
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@content_negotiation(produces='application/json')
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def unfollow_corpus(corpus_id, follower_id):
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corpus = Corpus.query.get_or_404(corpus_id)
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follower = User.query.get_or_404(follower_id)
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if not (corpus.user == current_user or follower == current_user or current_user.is_administrator()):
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abort(403)
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if not follower.is_following_corpus(corpus):
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abort(409) # 'User is not following the corpus'
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follower.unfollow_corpus(corpus)
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db.session.commit()
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response_data = {
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'message': \
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f'"{follower.username}" is not following "{corpus.title}" anymore',
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'category': 'corpus'
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}
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response = jsonify(response_data)
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response.status_code = 200
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return response
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@bp.route('/<hashid:corpus_id>/followers/<hashid:follower_id>/role', methods=['PUT'])
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@login_required
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@corpus_owner_or_admin_required
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@content_negotiation(consumes='application/json', produces='application/json')
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def add_permission(corpus_id, follower_id):
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role_name = request.json
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if not isinstance(role_name, str):
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abort(400)
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cfr = CorpusFollowerRole.query.filter_by(name=role_name).first_or_404()
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cfa = CorpusFollowerAssociation.query.filter_by(corpus_id=corpus_id, follower_id=follower_id).first_or_404()
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cfa.role = cfr
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db.session.commit()
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resonse_data = {
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'message': f'User "{cfa.follower.username}" is now {cfa.role.name}',
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'category': 'corpus'
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}
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response = jsonify(resonse_data)
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response.status_code = 200
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return response
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#endregion json-routes
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#endregion followers
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