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EnglishPal/app/Article.py

136 lines
4.5 KiB
Python

from WordFreq import WordFreq
from wordfreqCMD import youdao_link, sort_in_descending_order
from UseSqlite import InsertQuery, RecordQuery
import pickle_idea, pickle_idea2
import os
import random, glob
import hashlib
from datetime import datetime
from flask import Flask, request, redirect, render_template, url_for, session, abort, flash, get_flashed_messages
from difficulty import get_difficulty_level, text_difficulty_level, user_difficulty_level
path_prefix = '/var/www/wordfreq/wordfreq/'
path_prefix = './' # comment this line in deployment
def total_number_of_essays():
rq = RecordQuery(path_prefix + 'static/wordfreqapp.db')
rq.instructions("SELECT * FROM article")
rq.do()
result = rq.get_results()
return len(result)
def get_article_title(s):
return s.split('\n')[0]
def get_article_body(s):
lst = s.split('\n')
lst.pop(0) # remove the first line
return '\n'.join(lst)
def get_today_article(user_word_list, articleID):
rq = RecordQuery(path_prefix + 'static/wordfreqapp.db')
if articleID == None:
rq.instructions("SELECT * FROM article")
else:
rq.instructions('SELECT * FROM article WHERE article_id=%d' % (articleID))
rq.do()
result = rq.get_results()
random.shuffle(result)
# Choose article according to reader's level
d1 = load_freq_history(path_prefix + 'static/frequency/frequency.p')
d2 = load_freq_history(path_prefix + 'static/words_and_tests.p')
d3 = get_difficulty_level(d1, d2)
d = {}
d_user = load_freq_history(user_word_list)
user_level = user_difficulty_level(d_user, d3) # more consideration as user's behaviour is dynamic. Time factor should be considered.
random.shuffle(result) # shuffle list
d = random.choice(result)
text_level = text_difficulty_level(d['text'], d3)
if articleID == None:
for reading in result:
text_level = text_difficulty_level(reading['text'], d3)
factor = random.gauss(0.8,
0.1) # a number drawn from Gaussian distribution with a mean of 0.8 and a stand deviation of 1
if within_range(text_level, user_level, (8.0 - user_level) * factor):
d = reading
break
s = '<div class="alert alert-success" role="alert">According to your word list, your level is <span class="badge bg-success">%4.2f</span> and we have chosen an article with a difficulty level of <span class="badge bg-success">%4.2f</span> for you.</div>' % (
user_level, text_level)
s += '<p class="text-muted">Article added on: %s</p>' % (d['date'])
s += '<div class="p-3 mb-2 bg-light text-dark">'
article_title = get_article_title(d['text'])
article_body = get_article_body(d['text'])
s += '<p class="display-3">%s</p>' % (article_title)
s += '<p class="lead"><font id="article" size=2>%s</font></p>' % (article_body)
s += '<p><small class="text-muted">%s</small></p>' % (d['source'])
s += '<p><b>%s</b></p>' % (get_question_part(d['question']))
s = s.replace('\n', '<br/>')
s += '%s' % (get_answer_part(d['question']))
s += '</div>'
session['articleID'] = d['article_id']
return s
def load_freq_history(path):
d = {}
if os.path.exists(path):
d = pickle_idea.load_record(path)
return d
def within_range(x, y, r):
return x > y and abs(x - y) <= r
def get_question_part(s):
s = s.strip()
result = []
flag = 0
for line in s.split('\n'):
line = line.strip()
if line == 'QUESTION':
result.append(line)
flag = 1
elif line == 'ANSWER':
flag = 0
elif flag == 1:
result.append(line)
return '\n'.join(result)
def get_answer_part(s):
s = s.strip()
result = []
flag = 0
for line in s.split('\n'):
line = line.strip()
if line == 'ANSWER':
flag = 1
elif flag == 1:
result.append(line)
# https://css-tricks.com/snippets/javascript/showhide-element/
js = '''
<script type="text/javascript">
function toggle_visibility(id) {
var e = document.getElementById(id);
if(e.style.display == 'block')
e.style.display = 'none';
else
e.style.display = 'block';
}
</script>
'''
html_code = js
html_code += '\n'
html_code += '<button onclick="toggle_visibility(\'answer\');">ANSWER</button>\n'
html_code += '<div id="answer" style="display:none;">%s</div>\n' % ('\n'.join(result))
return html_code