STARK-web/app.py

272 lines
10 KiB
Python
Executable File

import configparser
import csv
import os
import random
import re
import string
import time
import requests
from flask import Flask, render_template, request, send_file, redirect, url_for
from werkzeug.utils import secure_filename
from stark import run
UPLOAD_FOLDER = 'uploads'
ALLOWED_EXTENSIONS = {'conllu'}
DAYS_BEFORE_DELETION = 1
TABLE_COLUMNS2DISPLAYED_TABLE_COLUMNS = {
'Tree': 'Tree',
'Absolute frequency': 'Frequency',
'Number of nodes': 'Number of nodes',
'Head node': 'Head node',
'Grew-match URL': 'Grew-match URL',
'Order': 'Order',
'MI': 'MI',
'logDice': 'logDice',
't-score': 't-score'
}
DISPLAYED_TABLE_COLUMNS2TABLE_COLUMNS = {v: k for k, v in TABLE_COLUMNS2DISPLAYED_TABLE_COLUMNS.items()}
def create_app():
app = Flask(__name__)
app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER
def create_default_configs():
configs = {}
# mandatory parameters
configs['input_path'] = 'data/sl_ssj-ud_v2.4.conllu'
configs['output'] = 'results/out_official.tsv'
configs['tree_size'] = '2-4'
configs['node_type'] = 'upos'
# mandatory parameters with default value
configs['internal_saves'] = './internal_saves'
configs['cpu_cores'] = 12
configs['complete_tree_type'] = True
configs['dependency_type'] = True
configs['node_order'] = True
configs['association_measures'] = False
configs['label_whitelist'] = []
configs['root_whitelist'] = []
configs['query'] = None
configs['compare'] = None
configs['frequency_threshold'] = 0
configs['lines_threshold'] = None
configs['continuation_processing'] = False
configs['nodes_number'] = True
configs['print_root'] = True
if configs['compare'] is not None:
configs['other_input_path'] = configs['compare']
return configs
def allowed_file(filename):
return '.' in filename and \
filename.rsplit('.', 1)[1].lower() in ALLOWED_EXTENSIONS
@app.route('/upload')
def upload_file2():
return render_template('upload.html')
@app.route('/uploader', methods=['GET', 'POST'])
def upload_file():
if request.method == 'POST':
f = request.files['file']
f.save(secure_filename(f.filename))
return 'file uploaded successfully'
@app.route('/about', methods=['GET'])
def about():
return render_template('about.html')
@app.route('/result/<result_id>', methods=['GET', 'POST'])
def result(result_id):
if request.method == 'POST':
for filename in os.listdir('media'):
file_path = os.path.join('media', filename)
f_t = os.path.getmtime(file_path)
c_t = time.time()
file_age_seconds = c_t - f_t
if file_age_seconds > DAYS_BEFORE_DELETION * 86400:
os.remove(file_path)
# TODO ADD LINKS
# TODO TEST VARYING SIZES OF TEXT IN TABLE
return send_file(os.path.join('media', result_id), as_attachment=True, download_name='results.tsv')
order_by_display = request.args.get('order_by')
order_by = DISPLAYED_TABLE_COLUMNS2TABLE_COLUMNS[order_by_display[:-1]] if order_by_display is not None else None
order_type = request.args.get('order_type')
with open(os.path.join('media', result_id), 'r') as rf:
content = list(csv.reader(rf, delimiter='\t'))
head = content[0]
content_dict = {h: [] for h in head}
if order_by is not None and order_by in head:
sort_id = head.index(order_by)
if order_type == 'asc':
# check if a number can be converted to float or int
ordered_content = sorted(content[1:], key=lambda x: -1 * float(x[sort_id]) if x[sort_id].isnumeric() or re.match(r'^-?\d+(?:\.\d+)$', x[sort_id]) is not None else x[sort_id], reverse=True)
else:
ordered_content = sorted(content[1:], key=lambda x: -1 * float(x[sort_id]) if x[sort_id].isnumeric() or re.match(r'^-?\d+(?:\.\d+)$', x[sort_id]) is not None else x[sort_id])
else:
ordered_content = content[1:]
for i, row in enumerate(ordered_content):
for j, v in enumerate(row):
content_dict[head[j]].append(v)
displayed_head = [TABLE_COLUMNS2DISPLAYED_TABLE_COLUMNS[col] for col in head if col in TABLE_COLUMNS2DISPLAYED_TABLE_COLUMNS]
displayed_content_dict = {}
for column, v in content_dict.items():
if column in TABLE_COLUMNS2DISPLAYED_TABLE_COLUMNS:
displayed_content_dict[TABLE_COLUMNS2DISPLAYED_TABLE_COLUMNS[column]] = v
return render_template('result.html', head_row=displayed_head, content=displayed_content_dict)
@app.route('/', methods=['GET', 'POST'])
def index():
if request.method == 'POST':
form = request.form
configs = {}
# mandatory parameters
configs['input_path'] = ''
validation = {}
# handling input
if 'file' in request.files and request.files['file']:
# TODO ADD OPTION FOR MULTIPLE FILES - ZIP!
# store file
f = request.files['file']
input_path = os.path.join('media', secure_filename(f.filename))
f.save(input_path)
configs['input_path'] = input_path
if 'input_url' in form and form['input_url']:
validation['file'] = 'Please insert either input url or file, not both of them.'
validation['input_url'] = 'Please insert either input url or file, not both of them.'
# TODO OPTIONALLY ADD conllu FILE CHECK
elif 'input_url' in form and form['input_url']:
try:
name = form['input_url'].split('/')[-1]
input_path = os.path.join('media', name)
response = requests.get(form['input_url'])
open(input_path, "wb").write(response.content)
configs['input_path'] = input_path
except:
validation['input_url'] = 'Incorrect URL!'
else:
validation['file'] = 'Please insert either input url or provide a file.'
validation['input_url'] = 'Please insert either input url or provide a file.'
tree_size_min = None
if 'tree_size_min' in form:
tree_size_min = form['tree_size_min']
tree_size_max = None
if 'tree_size_max' in form:
tree_size_max = form['tree_size_max']
def validate_tree_size(tree_size_min, tree_size_max):
if tree_size_min is None or tree_size_max is None:
validation['tree_size'] = 'Please provide information about minimum and maximum tree size.'
return False
if int(tree_size_min) > int(tree_size_max):
validation['tree_size'] = 'Tree size minimum should be smaller than tree size maximum.'
return False
return True
if validate_tree_size(tree_size_min, tree_size_max):
configs['tree_size'] = f'{tree_size_min}-{tree_size_max}' if tree_size_min != tree_size_max else f'{tree_size_min}'
def validate_node_type(node_type):
# TODO EXPAND NODE TYPE
node_type_options = {'upos', 'form', 'lemma', 'upos', 'xpos', 'feats', 'deprel'}
if len(node_type) == 0:
validation['node_type'] = 'Please select at least one node type.'
return False
for el in node_type:
if el not in node_type_options:
validation['node_type'] = f'Node option {el} is not supported. Please enter valid options.'
return False
return True
node_type = []
if 'node_type_upos' in form:
node_type.append('upos')
if 'node_type_form' in form:
node_type.append('form')
if 'node_type_lemma' in form:
node_type.append('lemma')
if validate_node_type(node_type):
configs['node_type'] = '+'.join(node_type)
# mandatory parameters with default value
configs['internal_saves'] = None
# TODO depends on computer
configs['cpu_cores'] = 12
# TODO FINALIZE THIS!
configs['complete_tree_type'] = True
configs['dependency_type'] = 'labeled_trees' in form and form['labeled_trees'] == 'on'
configs['node_order'] = 'fixed_order' in form and form['fixed_order'] == 'on'
configs['association_measures'] = 'association_measures' in form and form['association_measures'] == 'on'
configs['label_whitelist'] = []
configs['root_whitelist'] = []
if 'root_restriction' in form and form['root_restriction']:
configs['root_whitelist'] = form['root_restriction'].split('|')
configs['query'] = None
configs['compare'] = None
configs['frequency_threshold'] = 0
configs['lines_threshold'] = None
configs['continuation_processing'] = False
configs['nodes_number'] = True
configs['print_root'] = True
if configs['compare'] is not None:
configs['other_input_path'] = configs['compare']
configs['grew_match'] = True
configs['depsearch'] = False
name = ''.join(random.choices(string.ascii_uppercase + string.digits, k=60))
configs['output'] = os.path.join('media', name)
if len(validation) > 0:
return render_template('index.html', validation=validation)
try:
run(configs)
except Exception as e:
validation['general'] = 'Processing failed! Please recheck your settings.'
if len(validation) > 0:
return render_template('index.html', validation=validation)
return redirect(url_for('result', result_id=name))
return render_template('index.html')
return app
if __name__ == '__main__':
app = create_app()
app.run(debug=True)