forked from mrlan/EnglishPal
122 lines
4.0 KiB
Python
122 lines
4.0 KiB
Python
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import random
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import sqlite3,re
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from nltk.corpus import wordnet as wn
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class Essay:
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def __init__(self):
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self._article_id = 0
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self._essay = None
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self._difficulty = None
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self._answers = None
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self._questions = None
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pass
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@property
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def article_id(self):
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pass
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@article_id.setter
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def article_id(self,article_id):
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self._article_id = article_id
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self.find_essay_in_database(self._article_id)
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#获取数据库中的文章和等级
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def find_essay_in_database(self,id):
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try:
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# 连接数据库
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conn = sqlite3.connect("static/wordfreqapp.db")
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# 创建游标
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cursor = conn.cursor()
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cursor.execute("select text,level from article where article_id = "+str(id))
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results = cursor.fetchall()
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conn.commit()
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cursor.close()
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conn.close()
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self._essay = results[0][0]
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self._difficulty = results[0][1]
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return results
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except Exception as e:
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print(e)
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#将文章分割成单词列表
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def split_essay_to_word(self):
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article = "".join(self._essay)
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words = re.split(r"\b[\.,\s\n\r\n\$\']+?\b", article)
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word_list = [word.lower() for word in words]
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return word_list
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#从数据库中查找和文章难度相同的单词
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def find_same_difficulty_words(self):
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result_list = []
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try:
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# 连接数据库
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conn = sqlite3.connect("static/wordfreqapp.db")
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# 创建游标
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cursor = conn.cursor()
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cursor.execute("select word from words where difficulty = " + str(self._difficulty))
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results = cursor.fetchall()
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conn.commit()
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cursor.close()
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conn.close()
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for result in results:
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for res in result:
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result_list.append(res)
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return result_list
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except Exception as e:
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print(e)
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#获取单词的近义词
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def get_word_synsets(self,word):
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synsets_set = wn.synsets(word)
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synset_list = []
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for synset in synsets_set:
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synset_list.append(synset.name().split(".")[0])
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return synset_list
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#生成完形填空
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def create_clozeTest(self,essay):
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essay.article_id = self._article_id
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word = [] # 存放文章中含有的与文章难度相同的单词
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answers = [] # 存放正确答案
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questions = [] # 存放题目
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database_words = essay.find_same_difficulty_words()
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essay_words = essay.split_essay_to_word()
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for essay_word in essay_words:
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if database_words.__contains__(essay_word) and essay_word not in word:
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word.append(essay_word)
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if len(word) <= 10:
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answers = word
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else:
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for i in range(0, 10):
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w = word[random.randint(0, len(word) - 1)]
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if not answers.__contains__(w):
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answers.append(w)
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self._answers = answers
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No = 1
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for answer in answers:
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questions.append(list(answer.split(",")))
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self._essay = self._essay.replace(answer,'('+str(No)+')____', 1)
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No += 1
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for question in questions:
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synset = list(set(essay.get_word_synsets(question[0])))
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if len(synset) == 0 or len(synset) == 1:
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question.append(word[random.randint(0, len(word) - 1)])
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else:
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syn = synset[random.randint(0, len(synset) - 1)]
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while (syn == question[0]):
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syn = synset[random.randint(0, len(synset) - 1)]
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question.append(syn)
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while len(question) < 4:
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add_word = word[random.randint(0, len(word) - 1)]
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while question.__contains__(add_word):
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add_word = word[random.randint(0, len(word) - 1)]
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question.append(add_word)
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random.shuffle(question)
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self._questions = questions
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