422 lines
18 KiB
Python
422 lines
18 KiB
Python
#! /usr/bin/python3
|
||
# -*- coding: utf-8 -*-
|
||
|
||
###########################################################################
|
||
# Copyright 2019 (C) Hui Lan <hui.lan@cantab.net>
|
||
# Written permission must be obtained from the author for commercial uses.
|
||
###########################################################################
|
||
|
||
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
|
||
from datetime import datetime
|
||
from flask import Flask, request, redirect, render_template, url_for, session, abort, flash
|
||
from difficulty import get_difficulty_level, text_difficulty_level, user_difficulty_level
|
||
|
||
app = Flask(__name__)
|
||
app.secret_key = 'lunch.time!'
|
||
|
||
path_prefix = '/var/www/wordfreq/wordfreq/'
|
||
path_prefix = './' # comment this line in deployment
|
||
|
||
def get_random_image(path):
|
||
img_path = random.choice(glob.glob(os.path.join(path, '*.jpg')))
|
||
return img_path[img_path.rfind('/static'):]
|
||
|
||
def get_random_ads():
|
||
ads = random.choice(['个性化分析精准提升', '你的专有单词本', '智能捕捉阅读弱点，针对性提高你的阅读水平'])
|
||
return ads + '。 <a href="/signup">试试</a>吧！'
|
||
|
||
def load_freq_history(path):
|
||
d = {}
|
||
if os.path.exists(path):
|
||
d = pickle_idea.load_record(path)
|
||
return d
|
||
|
||
def verify_user(username, password):
|
||
rq = RecordQuery(path_prefix + 'static/wordfreqapp.db')
|
||
rq.instructions("SELECT * FROM user WHERE name='%s' AND password='%s'" % (username, password))
|
||
rq.do()
|
||
result = rq.get_results()
|
||
return result != []
|
||
|
||
def add_user(username, password):
|
||
start_date = datetime.now().strftime('%Y%m%d')
|
||
expiry_date = '20211230'
|
||
rq = InsertQuery(path_prefix + 'static/wordfreqapp.db')
|
||
rq.instructions("INSERT INTO user Values ('%s', '%s', '%s', '%s')" % (username, password, start_date, expiry_date))
|
||
rq.do()
|
||
|
||
|
||
def check_username_availability(username):
|
||
rq = RecordQuery(path_prefix + 'static/wordfreqapp.db')
|
||
rq.instructions("SELECT * FROM user WHERE name='%s'" % (username))
|
||
rq.do()
|
||
result = rq.get_results()
|
||
return result == []
|
||
|
||
def get_expiry_date(username):
|
||
rq = RecordQuery(path_prefix + 'static/wordfreqapp.db')
|
||
rq.instructions("SELECT expiry_date FROM user WHERE name='%s'" % (username))
|
||
rq.do()
|
||
result = rq.get_results()
|
||
if len(result) > 0:
|
||
return result[0]['expiry_date']
|
||
else:
|
||
return '20191024'
|
||
|
||
|
||
|
||
def within_range(x, y, r):
|
||
return x > y and abs(x - y) <= r
|
||
|
||
|
||
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()
|
||
|
||
# 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)
|
||
#print('TEXT_LEVEL %4.2f' % (text_level))
|
||
if within_range(text_level, user_level, 0.5):
|
||
d = reading
|
||
break
|
||
|
||
s = '<p><i>According to your word list, your level is <b>%4.2f</b> and we have chosen an article with a difficulty level of <b>%4.2f</b> for you.</i></p>' % (user_level, text_level)
|
||
s += '<p><b>%s</b></p>' % (d['date'])
|
||
s += '<p><font size=+2>%s</font></p>' % (d['text'])
|
||
s += '<p><i>%s</i></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']))
|
||
session['articleID'] = d['article_id']
|
||
return s
|
||
|
||
|
||
def appears_in_test(word, d):
|
||
if not word in d:
|
||
return ''
|
||
else:
|
||
return ','.join(d[word])
|
||
|
||
|
||
def get_time():
|
||
return datetime.now().strftime('%Y%m%d%H%M') # upper to minutes
|
||
|
||
|
||
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
|
||
|
||
|
||
|
||
@app.route("/<username>/reset", methods=['GET', 'POST'])
|
||
def user_reset(username):
|
||
if request.method == 'GET':
|
||
session['articleID'] = None
|
||
return redirect(url_for('userpage', username=username))
|
||
else:
|
||
return 'Under construction'
|
||
|
||
|
||
@app.route("/mark", methods=['GET', 'POST'])
|
||
def mark_word():
|
||
if request.method == 'POST':
|
||
d = load_freq_history(path_prefix + 'static/frequency/frequency.p')
|
||
lst_history = pickle_idea.dict2lst(d)
|
||
lst = []
|
||
for word in request.form.getlist('marked'):
|
||
lst.append((word, 1))
|
||
d = pickle_idea.merge_frequency(lst, lst_history)
|
||
pickle_idea.save_frequency_to_pickle(d, path_prefix + 'static/frequency/frequency.p')
|
||
return redirect(url_for('mainpage'))
|
||
else:
|
||
return 'Under construction'
|
||
|
||
|
||
|
||
@app.route("/", methods=['GET', 'POST'])
|
||
def mainpage():
|
||
if request.method == 'POST': # when we submit a form
|
||
content = request.form['content']
|
||
f = WordFreq(content)
|
||
lst = f.get_freq()
|
||
page = '<form method="post" action="/mark">\n'
|
||
count = 1
|
||
for x in lst:
|
||
page += '<p><font color="grey">%d</font>: <a href="%s">%s</a> (%d) <input type="checkbox" name="marked" value="%s"></p>\n' % (count, youdao_link(x[0]), x[0], x[1], x[0])
|
||
count += 1
|
||
page += ' <input type="submit" value="确定并返回"/>\n'
|
||
page += '</form>\n'
|
||
# save history
|
||
d = load_freq_history(path_prefix + 'static/frequency/frequency.p')
|
||
lst_history = pickle_idea.dict2lst(d)
|
||
d = pickle_idea.merge_frequency(lst, lst_history)
|
||
pickle_idea.save_frequency_to_pickle(d, path_prefix + 'static/frequency/frequency.p')
|
||
|
||
return page
|
||
elif request.method == 'GET': # when we load a html page
|
||
page = '''
|
||
<html lang="zh">
|
||
<head>
|
||
<meta charset="utf-8">
|
||
<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=0.5, maximum-scale=3.0, user-scalable=yes" />
|
||
<title>EnglishPal 英文单词高效记</title>
|
||
|
||
</head>
|
||
<body>
|
||
'''
|
||
page += '<p><b><font size="+3" color="red">English Pal - Learn English in a smart way!</font></b></p>'
|
||
if session.get('logged_in'):
|
||
page += ' <a href="%s">%s</a></p>\n' % (session['username'], session['username'])
|
||
else:
|
||
page += '<p><a href="/login">登录</a> <a href="/signup">成为会员</a> <a href="/static/usr/instructions.html">使用说明</a></p>\n'
|
||
#page += '<p><img src="%s" width="400px" alt="advertisement"/></p>' % (get_random_image(path_prefix + 'static/img/'))
|
||
page += '<p><b>%s</b></p>' % (get_random_ads())
|
||
page += '<p>粘帖1篇文章 (English only)</p>'
|
||
page += '<form method="post" action="/">'
|
||
page += ' <textarea name="content" rows="10" cols="120"></textarea><br/>'
|
||
page += ' <input type="submit" value="get文章中的词频"/>'
|
||
page += ' <input type="reset" value="清除"/>'
|
||
page += '</form>'
|
||
d = load_freq_history(path_prefix + 'static/frequency/frequency.p')
|
||
if len(d) > 0:
|
||
page += '<p><b>最常见的词</b></p>'
|
||
for x in sort_in_descending_order(pickle_idea.dict2lst(d)):
|
||
if x[1] <= 99:
|
||
break
|
||
page += '<a href="%s">%s</a> %d\n' % (youdao_link(x[0]), x[0], x[1])
|
||
|
||
page += '</body></html>'
|
||
return page
|
||
|
||
|
||
@app.route("/<username>/mark", methods=['GET', 'POST'])
|
||
def user_mark_word(username):
|
||
username = session[username]
|
||
user_freq_record = path_prefix + 'static/frequency/' + 'frequency_%s.pickle' % (username)
|
||
if request.method == 'POST':
|
||
d = load_freq_history(user_freq_record)
|
||
lst_history = pickle_idea2.dict2lst(d)
|
||
lst = []
|
||
for word in request.form.getlist('marked'):
|
||
lst.append((word, [get_time()]))
|
||
d = pickle_idea2.merge_frequency(lst, lst_history)
|
||
pickle_idea2.save_frequency_to_pickle(d, user_freq_record)
|
||
return redirect(url_for('userpage', username=username))
|
||
else:
|
||
return 'Under construction'
|
||
|
||
|
||
|
||
@app.route("/<username>", methods=['GET', 'POST'])
|
||
def userpage(username):
|
||
|
||
if not session.get('logged_in'):
|
||
return '<p>请先<a href="/login">登录</a>。</p>'
|
||
|
||
user_expiry_date = session.get('expiry_date')
|
||
if datetime.now().strftime('%Y%m%d') > user_expiry_date:
|
||
return '<p>账号 %s 过期。</p><p>为了提高服务质量，English Pal 收取会员费用， 每天0元。</p> <p>请决定你要试用的时间长度，扫描下面支付宝二维码支付。 支付时请注明<i>English Pal Membership Fee</i>。 我们会于12小时内激活账号。</p><p><img src="static/donate-the-author-hidden.jpg" width="120px" alt="支付宝二维码" /></p><p>如果有问题，请加开发者微信 torontohui。</p> <p><a href="/logout">登出</a></p>' % (username)
|
||
|
||
|
||
username = session.get('username')
|
||
|
||
user_freq_record = path_prefix + 'static/frequency/' + 'frequency_%s.pickle' % (username)
|
||
|
||
if request.method == 'POST': # when we submit a form
|
||
content = request.form['content']
|
||
f = WordFreq(content)
|
||
lst = f.get_freq()
|
||
page = '<meta charset="UTF8">'
|
||
page += '<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=0.5, maximum-scale=3.0, user-scalable=yes" />'
|
||
page += '<p>勾选不认识的单词</p>'
|
||
page += '<form method="post" action="/%s/mark">\n' % (username)
|
||
page += ' <input type="submit" name="add-btn" value="加入我的生词簿"/>\n'
|
||
count = 1
|
||
words_tests_dict = pickle_idea.load_record(path_prefix + 'static/words_and_tests.p')
|
||
for x in lst:
|
||
page += '<p><font color="grey">%d</font>: <a href="%s" title="%s">%s</a> (%d) <input type="checkbox" name="marked" value="%s"></p>\n' % (count, youdao_link(x[0]), appears_in_test(x[0], words_tests_dict), x[0], x[1], x[0])
|
||
count += 1
|
||
page += '</form>\n'
|
||
return page
|
||
|
||
elif request.method == 'GET': # when we load a html page
|
||
page = '<meta charset="UTF8">\n'
|
||
page += '<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=0.5, maximum-scale=3.0, user-scalable=yes" />\n'
|
||
page += '<meta name="format-detection" content="telephone=no" />\n' # forbid treating numbers as cell numbers in smart phones
|
||
page += '<title>EnglishPal Study Room for %s</title>' % (username)
|
||
page += '<p><b>English Pal for <font color="red">%s</font></b> <a href="/logout">登出</a></p>' % (username)
|
||
page += '<p><a href="/%s/reset">下一篇</a></p>' % (username)
|
||
page += '<p><b>阅读文章并回答问题</b></p>\n'
|
||
page += '<div id="text-content">%s</div>' % (get_today_article(user_freq_record, session['articleID']))
|
||
page += '<p><b>收集生词吧</b> （可以在正文中划词，也可以复制黏贴）</p>'
|
||
page += '<form method="post" action="/%s">' % (username)
|
||
page += ' <textarea name="content" id="selected-words" rows="10" cols="120"></textarea><br/>'
|
||
page += ' <input type="submit" value="get 所有词的频率"/>'
|
||
page += ' <input type="reset" value="清除"/>'
|
||
page += '</form>\n'
|
||
page += '''
|
||
<script>
|
||
function getWord(){
|
||
var word = window.getSelection?window.getSelection():document.selection.createRange().text;
|
||
return word;
|
||
}
|
||
function fillinWord(){
|
||
var element = document.getElementById("selected-words");
|
||
element.value = element.value + " " + getWord();
|
||
}
|
||
document.getElementById("text-content").addEventListener("click", fillinWord, false);
|
||
document.getElementById("text-content").addEventListener("touchstart", fillinWord, false);
|
||
</script>
|
||
'''
|
||
|
||
d = load_freq_history(user_freq_record)
|
||
if len(d) > 0:
|
||
page += '<p><b>我的生词簿</b></p>'
|
||
lst = pickle_idea2.dict2lst(d)
|
||
lst2 = []
|
||
for t in lst:
|
||
lst2.append((t[0], len(t[1])))
|
||
for x in sort_in_descending_order(lst2):
|
||
word = x[0]
|
||
freq = x[1]
|
||
if isinstance(d[word], list): # d[word] is a list of dates
|
||
if freq > 1:
|
||
page += '<p class="new-word"> <a href="%s">%s</a> (<a title="%s">%d</a>) </p>\n' % (youdao_link(word), word, '; '.join(d[word]), freq)
|
||
else:
|
||
page += '<p class="new-word"> <a href="%s">%s</a> <font color="white">(<a title="%s">%d</a>)</font> </p>\n' % (youdao_link(word), word, '; '.join(d[word]), freq)
|
||
elif isinstance(d[word], int): # d[word] is a frequency. to migrate from old format.
|
||
page += '<a href="%s">%s</a>%d\n' % (youdao_link(word), word, freq)
|
||
|
||
|
||
return page
|
||
|
||
### Sign-up, login, logout ###
|
||
@app.route("/signup", methods=['GET', 'POST'])
|
||
def signup():
|
||
if request.method == 'GET':
|
||
return render_template('signup.html')
|
||
elif request.method == 'POST':
|
||
username = request.form['username']
|
||
password = request.form['password']
|
||
|
||
available = check_username_availability(username)
|
||
if not available:
|
||
flash('用户名 %s 已经被注册。' % (username))
|
||
return render_template('signup.html')
|
||
elif len(password.strip()) < 4:
|
||
return '密码过于简单。'
|
||
else:
|
||
add_user(username, password)
|
||
verified = verify_user(username, password)
|
||
if verified:
|
||
session['logged_in'] = True
|
||
session[username] = username
|
||
session['username'] = username
|
||
return '<p>恭喜，你已成功注册， 你的用户名是 <a href="%s">%s</a>。</p>\
|
||
<p><a href="/%s">开始使用</a> <a href="/">返回首页</a><p/>' % (username, username, username)
|
||
else:
|
||
return '用户名密码验证失败。'
|
||
|
||
|
||
@app.route("/login", methods=['GET', 'POST'])
|
||
def login():
|
||
if request.method == 'GET':
|
||
if not session.get('logged_in'):
|
||
return render_template('login.html')
|
||
else:
|
||
return '你已登录 <a href="/%s">%s</a>。 登出点击<a href="/logout">这里</a>。' % (session['username'], session['username'])
|
||
elif request.method == 'POST':
|
||
# check database and verify user
|
||
username = request.form['username']
|
||
password = request.form['password']
|
||
verified = verify_user(username, password)
|
||
if verified:
|
||
session['logged_in'] = True
|
||
session[username] = username
|
||
session['username'] = username
|
||
user_expiry_date = get_expiry_date(username)
|
||
session['expiry_date'] = user_expiry_date
|
||
session['articleID'] = None
|
||
return redirect(url_for('userpage', username=username))
|
||
else:
|
||
return '无法通过验证。'
|
||
|
||
|
||
@app.route("/logout", methods=['GET', 'POST'])
|
||
def logout():
|
||
session['logged_in'] = False
|
||
return redirect(url_for('mainpage'))
|
||
|
||
|
||
if __name__ == '__main__':
|
||
#app.secret_key = os.urandom(16)
|
||
#app.run(debug=False, port='6000')
|
||
app.run(debug=True)
|
||
#app.run(debug=True, port='6000')
|
||
#app.run(host='0.0.0.0', debug=True, port='6000')
|
||
|