forked from mrlan/EnglishPal
				
			
		
			
				
	
	
		
			136 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			136 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			Python
		
	
	
| from WordFreq import WordFreq
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| from wordfreqCMD import youdao_link, sort_in_descending_order
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| from UseSqlite import InsertQuery, RecordQuery
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| import pickle_idea, pickle_idea2
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| import os
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| import random, glob
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| import hashlib
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| from datetime import datetime
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| from flask import Flask, request, redirect, render_template, url_for, session, abort, flash, get_flashed_messages
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| from difficulty import get_difficulty_level, text_difficulty_level, user_difficulty_level
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| 
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| 
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| path_prefix = '/var/www/wordfreq/wordfreq/'
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| path_prefix = './'  # comment this line in deployment
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| 
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| 
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| def total_number_of_essays():
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|     rq = RecordQuery(path_prefix + 'static/wordfreqapp.db')
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|     rq.instructions("SELECT * FROM article")
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|     rq.do()
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|     result = rq.get_results()
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|     return len(result)
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| 
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| 
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| def get_article_title(s):
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|     return s.split('\n')[0]
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| 
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| 
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| def get_article_body(s):
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|     lst = s.split('\n')
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|     lst.pop(0)  # remove the first line
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|     return '\n'.join(lst)
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| 
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| 
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| def get_today_article(user_word_list, articleID):
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|     rq = RecordQuery(path_prefix + 'static/wordfreqapp.db')
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|     if articleID == None:
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|         rq.instructions("SELECT * FROM article")
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|     else:
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|         rq.instructions('SELECT * FROM article WHERE article_id=%d' % (articleID))
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|     rq.do()
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|     result = rq.get_results()
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|     random.shuffle(result)
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| 
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|     # Choose article according to reader's level
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|     d1 = load_freq_history(path_prefix + 'static/frequency/frequency.p')
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|     d2 = load_freq_history(path_prefix + 'static/words_and_tests.p')
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|     d3 = get_difficulty_level(d1, d2)
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| 
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|     d = {}
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|     d_user = load_freq_history(user_word_list)
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|     user_level = user_difficulty_level(d_user, d3)  # more consideration as user's behaviour is dynamic. Time factor should be considered.
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|     random.shuffle(result)  # shuffle list
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|     d = random.choice(result)
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|     text_level = text_difficulty_level(d['text'], d3)
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|     if articleID == None:
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|         for reading in result:
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|             text_level = text_difficulty_level(reading['text'], d3)
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|             factor = random.gauss(0.8,
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|                                   0.1)  # a number drawn from Gaussian distribution with a mean of 0.8 and a stand deviation of 1
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|             if within_range(text_level, user_level, (8.0 - user_level) * factor):
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|                 d = reading
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|                 break
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| 
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|     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>' % (
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|         user_level, text_level)
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|     s += '<p class="text-muted">Article added on: %s</p>' % (d['date'])
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|     s += '<div class="p-3 mb-2 bg-light text-dark">'
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|     article_title = get_article_title(d['text'])
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|     article_body = get_article_body(d['text'])
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|     s += '<p class="display-5">%s</p>' % (article_title)
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|     s += '<p class="lead"><font id="article" size=2>%s</font></p>' % (article_body)
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|     s += '<p><small class="text-muted">%s</small></p>' % (d['source'])
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|     s += '<p><b>%s</b></p>' % (get_question_part(d['question']))
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|     s = s.replace('\n', '<br/>')
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|     s += '%s' % (get_answer_part(d['question']))
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|     s += '</div>'
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|     session['articleID'] = d['article_id']
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|     return s
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| 
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| 
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| def load_freq_history(path):
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|     d = {}
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|     if os.path.exists(path):
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|         d = pickle_idea.load_record(path)
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|     return d
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| 
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| 
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| def within_range(x, y, r):
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|     return x > y and abs(x - y) <= r
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| 
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| 
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| def get_question_part(s):
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|     s = s.strip()
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|     result = []
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|     flag = 0
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|     for line in s.split('\n'):
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|         line = line.strip()
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|         if line == 'QUESTION':
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|             result.append(line)
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|             flag = 1
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|         elif line == 'ANSWER':
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|             flag = 0
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|         elif flag == 1:
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|             result.append(line)
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|     return '\n'.join(result)
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| 
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| 
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| def get_answer_part(s):
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|     s = s.strip()
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|     result = []
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|     flag = 0
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|     for line in s.split('\n'):
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|         line = line.strip()
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|         if line == 'ANSWER':
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|             flag = 1
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|         elif flag == 1:
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|             result.append(line)
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|     # https://css-tricks.com/snippets/javascript/showhide-element/
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|     js = '''
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| <script type="text/javascript">
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| 
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|     function toggle_visibility(id) {
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|        var e = document.getElementById(id);
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|        if(e.style.display == 'block')
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|           e.style.display = 'none';
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|        else
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|           e.style.display = 'block';
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|     }
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| </script>
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|     '''
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|     html_code = js
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|     html_code += '\n'
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|     html_code += '<button onclick="toggle_visibility(\'answer\');">ANSWER</button>\n'
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|     html_code += '<div id="answer" style="display:none;">%s</div>\n' % ('\n'.join(result))
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|     return html_code |