def get_similarity_v2(sourceCode, sourceCode_comapre):
'''
:param sourceCode:该同学该题的代码
:param sourceCode_comapre:用来比较的代码,来源为同样提交该作业的其他同学
:return:返回相似度
'''
tokens = get_token(sourceCode)
tokens_compare = get_token(sourceCode_comapre)
exponent = panfen(tokens, tokens_compare)
return exponent
def update_ansdb(id):
''' 更新答案库 '''
if judge_insert(id):
solution = Solution.objects.filter(solution_id=id)[0]
source = SourceCode.objects.filter(solution_id=id)[0].source
tokens = get_token(source)
ans = Ansdb(problem_id=solution.problem_id,
language=solution.language,
tokens=json.dumps(tokens))
ans.save()
def get_similarity(id):
''' 传入参数id表示solution_id，
返回与正确答案库匹配的相似度 '''
problem_id = Solution.objects.filter(solution_id=id)[0].problem_id
source_code = SourceCode.objects.filter(solution_id=id)[0].source
tokens = get_token(source_code)
final_exponent = 0
for true_ans in Ansdb.objects.filter(problem_id=problem_id):
exponent = panfen(tokens, json.loads(true_ans.tokens))
if exponent > final_exponent and exponent < 0.8:
final_exponent = exponent
return final_exponent
def test():
right_solution = Solution.objects.filter(language=0,
result=4,
problem_id=8)[0]
first_column = []
second_column = []
third_column = []
fourth_column = []
sequenceMatcher = SequenceMatcher()
right_solution_code = SourceCode.objects.filter(
solution_id=right_solution.solution_id)[0].source
right_solution_tokens = get_token(right_solution_code)
solutions = Solution.objects.filter(language=0, result=4, problem_id=8)
total = len(solutions)
for i in range(0, total):
solution = solutions[i]
solu_id = solution.solution_id
if judge_insert(solu_id) == True:
source = SourceCode.objects.filter(solution_id=solu_id)[0].source
compare_tokens = json.dumps(get_token(source))
first_column.append(
panfen(right_solution_tokens, json.loads(compare_tokens)))
sequenceMatcher.set_seqs(source, right_solution_code)
second_column.append(sequenceMatcher.ratio())
third_column.append(sequenceMatcher.quick_ratio())
fourth_column.append(sequenceMatcher.real_quick_ratio())
file = open('Yuan.txt', 'w')
file.write(str(first_column))
file.close()
file = open('ratio.txt', 'w')
file.write(str(second_column))
file.close()
file = open('quick_ratio.txt', 'w')
file.write(str(third_column))
file.close()
file = open('real_quick_ratio.txt', 'w')
file.write(str(fourth_column))
file.close()
def init_ansdb():
''' 初始化C语言答案库 '''
solutions = Solution.objects.filter(language=0, result=4)
total = len(solutions)
for i in range(0, total):
solution = solutions[i]
solu_id = solution.solution_id
if judge_insert(solu_id) == True:
source = SourceCode.objects.filter(solution_id=solu_id)[0].source
tokens = json.dumps(get_token(source))
ans = Ansdb(problem_id=solution.problem_id,
language=solution.language,
tokens=tokens)
ans.save()
print(str(i) + "/" + str(total))
def judge_insert(id):
'''
传入参数id表示solution_id，
与正确答案库中答案匹对，
若相似度超过0.8，则返回Flase，
否则返回True。
'''
problem_id = Solution.objects.filter(solution_id=id)[0].problem_id
source_code = SourceCode.objects.filter(solution_id=id)[0].source
tokens = get_token(source_code)
flag = True
final_exponent = 0
for true_ans in Ansdb.objects.filter(problem_id=problem_id):
exponent = panfen(tokens, json.loads(true_ans.tokens))
if exponent > 0.8:
flag = False
break
return flag