mirror of
https://gitlab.ub.uni-bielefeld.de/sfb1288inf/nopaque.git
synced 2024-12-26 03:14:19 +00:00
289 lines
11 KiB
Python
289 lines
11 KiB
Python
from flask import (abort, current_app, flash, make_response, redirect,
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render_template, url_for, send_from_directory)
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from flask_login import current_user, login_required
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from . import bp
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from . import tasks
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from .forms import (AddCorpusFileForm, AddCorpusForm, EditCorpusFileForm,
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ImportCorpusForm)
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from .. import db
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from ..models import Corpus, CorpusFile
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import os
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import shutil
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import glob
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import xml.etree.ElementTree as ET
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from zipfile import ZipFile
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from .import_corpus import check_zip_contents
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@bp.route('/add', methods=['GET', 'POST'])
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@login_required
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def add_corpus():
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form = AddCorpusForm(prefix='add-corpus-form')
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if form.validate_on_submit():
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corpus = Corpus(
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user=current_user,
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description=form.description.data,
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title=form.title.data
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)
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db.session.add(corpus)
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db.session.flush()
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db.session.refresh(corpus)
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try:
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os.makedirs(corpus.path)
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except OSError as e:
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current_app.logger.error(f'Could not add corpus: {e}')
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db.session.rollback()
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flash('Internal Server Error', 'error')
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abort(500)
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else:
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db.session.commit()
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flash(f'Corpus "{corpus.title}" added!', 'corpus')
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return redirect(url_for('.corpus', corpus_id=corpus.id))
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return render_template('corpora/add_corpus.html.j2', form=form,
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title='Add corpus')
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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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form = ImportCorpusForm()
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if form.is_submitted():
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if not form.validate():
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return make_response(form.errors, 400)
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corpus = Corpus(
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user=current_user,
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description=form.description.data,
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title=form.title.data
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)
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db.session.add(corpus)
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db.session.flush()
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db.session.refresh(corpus)
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try:
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os.makedirs(corpus.path)
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except OSError as e:
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current_app.logger.error(f'Could not import corpus: {e}')
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db.session.rollback()
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flash('Internal Server Error', 'error')
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return make_response(
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{'redirect_url': url_for('.import_corpus')}, 500)
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# Upload zip
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archive_file = os.path.join(corpus.path, form.file.data.filename)
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form.file.data.save(archive_file)
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# Some checks to verify it is a valid exported corpus
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with ZipFile(archive_file, 'r') as zip:
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contents = zip.namelist()
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if set(check_zip_contents).issubset(contents):
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# Unzip
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shutil.unpack_archive(archive_file, corpus.path)
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# Register vrt files to corpus
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vrts = glob.glob(corpus.path + '/*.vrt')
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for file in vrts:
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element_tree = ET.parse(file)
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text_node = element_tree.find('text')
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corpus_file = CorpusFile(
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address=text_node.get('address', 'NULL'),
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author=text_node.get('author', 'NULL'),
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booktitle=text_node.get('booktitle', 'NULL'),
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chapter=text_node.get('chapter', 'NULL'),
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corpus=corpus,
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editor=text_node.get('editor', 'NULL'),
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filename=os.path.basename(file),
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institution=text_node.get('institution', 'NULL'),
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journal=text_node.get('journal', 'NULL'),
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pages=text_node.get('pages', 'NULL'),
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publisher=text_node.get('publisher', 'NULL'),
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publishing_year=text_node.get('publishing_year', ''),
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school=text_node.get('school', 'NULL'),
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title=text_node.get('title', 'NULL')
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)
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db.session.add(corpus_file)
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# finish import and redirect to imported corpus
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corpus.status = 'prepared'
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db.session.commit()
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os.remove(archive_file)
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flash(f'Corpus "{corpus.title}" imported!', 'corpus')
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return make_response(
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{'redirect_url': url_for('.corpus', corpus_id=corpus.id)}, 201)
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else:
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# If imported zip is not valid delete corpus and give feedback
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flash('Can not import corpus "{}" not imported: Invalid archive file!', 'error') # noqa
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tasks.delete_corpus(corpus.id)
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return make_response(
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{'redirect_url': url_for('.import_corpus')}, 201)
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return render_template('corpora/import_corpus.html.j2', form=form,
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title='Import 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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if not (corpus.user == current_user or current_user.is_administrator()):
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abort(403)
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corpus_files = [corpus_file.to_dict() for corpus_file in corpus.files]
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return render_template('corpora/corpus.html.j2', corpus=corpus,
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corpus_files=corpus_files, title='Corpus')
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@bp.route('/<hashid:corpus_id>/analyse')
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@login_required
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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>/download')
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@login_required
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def download_corpus(corpus_id):
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abort(503)
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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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return send_from_directory(
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as_attachment=True,
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directory=os.path.join(corpus.user.path, 'corpora'),
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filename=corpus.archive_file,
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mimetype='zip'
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)
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@bp.route('/<hashid:corpus_id>/delete')
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@login_required
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def delete_corpus(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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flash(f'Corpus "{corpus.title}" marked for deletion!', 'corpus')
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tasks.delete_corpus(corpus_id)
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return redirect(url_for('main.dashboard'))
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@bp.route('/<hashid:corpus_id>/files/add', methods=['GET', 'POST'])
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@login_required
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def add_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 = AddCorpusFileForm(corpus, prefix='add-corpus-file-form')
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if form.is_submitted():
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if not form.validate():
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return make_response(form.errors, 400)
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# Save the file
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form.file.data.save(os.path.join(corpus.path, form.file.data.filename))
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corpus_file = CorpusFile(
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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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corpus=corpus,
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editor=form.editor.data,
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filename=form.file.data.filename,
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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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)
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db.session.add(corpus_file)
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corpus.status = 'unprepared'
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db.session.commit()
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flash(f'Corpus file "{corpus_file.filename}" added!', 'corpus')
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return make_response({'redirect_url': url_for('.corpus', corpus_id=corpus.id)}, 201) # noqa
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return render_template('corpora/add_corpus_file.html.j2', corpus=corpus,
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form=form, title='Add corpus file')
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@bp.route('/<hashid:corpus_id>/files/<hashid:corpus_file_id>/delete')
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@login_required
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def delete_corpus_file(corpus_id, corpus_file_id):
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corpus_file = CorpusFile.query.get_or_404(corpus_file_id)
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if not corpus_file.corpus_id == corpus_id:
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abort(404)
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if not (corpus_file.corpus.user == current_user
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or current_user.is_administrator()):
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abort(403)
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flash(
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f'Corpus file "{corpus_file.filename}" marked for deletion!', 'corpus')
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tasks.delete_corpus_file(corpus_file_id)
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return redirect(url_for('.corpus', corpus_id=corpus_id))
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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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def download_corpus_file(corpus_id, corpus_file_id):
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corpus_file = CorpusFile.query.get_or_404(corpus_file_id)
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if not corpus_file.corpus_id == corpus_id:
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abort(404)
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if not (corpus_file.corpus.user == current_user
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or current_user.is_administrator()):
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abort(403)
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return send_from_directory(as_attachment=True,
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directory=os.path.dirname(corpus_file.path),
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filename=corpus_file.filename)
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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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def corpus_file(corpus_id, corpus_file_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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corpus_file = CorpusFile.query.get_or_404(corpus_file_id)
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if corpus_file.corpus != corpus:
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abort(404)
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form = EditCorpusFileForm(prefix='edit-corpus-file-form')
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if form.validate_on_submit():
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corpus_file.address = form.address.data
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corpus_file.author = form.author.data
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corpus_file.booktitle = form.booktitle.data
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corpus_file.chapter = form.chapter.data
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corpus_file.editor = form.editor.data
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corpus_file.institution = form.institution.data
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corpus_file.journal = form.journal.data
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corpus_file.pages = form.pages.data
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corpus_file.publisher = form.publisher.data
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corpus_file.publishing_year = form.publishing_year.data
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corpus_file.school = form.school.data
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corpus_file.title = form.title.data
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corpus.status = 'unprepared'
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db.session.commit()
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flash(f'Corpus file "{corpus_file.filename}" edited!', 'corpus')
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return redirect(url_for('.corpus', corpus_id=corpus_id))
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# If no form is submitted or valid, fill out fields with current values
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form.address.data = corpus_file.address
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form.author.data = corpus_file.author
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form.booktitle.data = corpus_file.booktitle
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form.chapter.data = corpus_file.chapter
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form.editor.data = corpus_file.editor
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form.institution.data = corpus_file.institution
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form.journal.data = corpus_file.journal
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form.pages.data = corpus_file.pages
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form.publisher.data = corpus_file.publisher
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form.publishing_year.data = corpus_file.publishing_year
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form.school.data = corpus_file.school
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form.title.data = corpus_file.title
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return render_template('corpora/corpus_file.html.j2', corpus=corpus,
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corpus_file=corpus_file, form=form,
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title='Edit corpus file')
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@bp.route('/<hashid:corpus_id>/build')
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@login_required
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def build_corpus(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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if corpus.files.all():
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tasks.build_corpus(corpus_id)
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flash(f'Corpus "{corpus.title}" marked for building!', 'corpus')
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else:
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flash(f'Can\'t build corpus "{corpus.title}": No corpus file(s)!', 'error') # noqa
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return redirect(url_for('.corpus', corpus_id=corpus_id))
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