def new_assignment():
days_given = require_arguments('days_given')
try:
days_given = int(days_given)
except ValueError:
raise InvalidArgument('days given must be an integar')
students = request.json.get('student')
if students is None:
raise InvalidArgument('students required')
token = request.json.get('token')
if not token:
raise InvalidArgument('token required')
problems = request.json.get('problems')
if not problems:
raise InvalidArgument('problems required')
user = auth_by_token(token,min_privilege='teacher')
for student in students:
if User.objects(id=students).count() == 0:
raise InvalidArgument('user '+student+' does not exist')
scored_problems = []
for problem in problems:
problem_id = problem.get('id')
point = problem.get('point')
scored_problems.append(ScoredProblem(problem=Problem.objects(id=problem_id).first(),point=point))
date = datetime.datetime.now()
assignment = Assignment(owner=user,scored_problems=scored_problems,students=students,assign_time=date,days_given=days_given).save()
return success({'id':str(assignment.id)})
def auth_by_token(token, *, min_privilege='student'):
token = Token.objects(token=token).first()
if not token:
raise InvalidArgument('token required')
if datetime.datetime.now() > token.expire:
raise InvalidArgument('token required')
if min_privilege == 'admin' and token.user.type_ not in ['teacher']:
raise InvalidArgument('insufficient permission')
return token.user
def change_username():
[token, new_username] = require_arguments('token', 'username')
user = auth_by_token(token)
if ' ' in new_username:
raise InvalidArgument('invalid username')
if new_username == user.username:
raise InvalidArgument("username hasn't been changed")
if User.objects(username=new_username).count() > 0:
raise InvalidArgument('duplicated username')
user.username = new_username
user.save()
return {'status': 'success'}
def change_phone_number():
[token, new_phone_number] = require_arguments('token', 'new_phone_number')
user = auth_by_token(token)
if ' ' in new_phone_number:
raise InvalidArgument('invalid phonename')
if new_phone_number == user.phone_number:
raise InvalidArgument("phone number hasn't been changed")
if User.objects(phone_number=new_phone_number).count() > 0:
raise InvalidArgument('duplicated phone number')
user.phone_number = new_phone_number
user.save()
return {'status': 'success'}
def send_password():
[email_address, phone_number] = require_arguments('email_address',
'phone_number')
user = User.objects(email_address=email_address).first()
if user.phone_number != phone_number:
raise InvalidArgument('invalid email address or phone number')
return user.password
def require_arguments(*args):
ret = []
for arg in args:
if arg not in request.form:
raise InvalidArgument(arg + ' required')
ret.append(request.form[arg])
return ret
def note_edit():
[token,note_id,note_content] = require_arguments('token','note_id','note_content')
#这个错怎么处理
user = auth_by_token(token)
if not user:
raise InvalidArgument('token required')
other_note = note_by_id(note_id)
other_note.note_content = note_content
other_note.save()
# if 'title' in request.form:
# title = request.form['title']
# other_note.title=title
# other_note.save()
# if 'text' in request.form:
# text = request.form['text']
# note_content.text=text
# note_content.save()
# other_note.note_content=note_content
# other_note.save()
# if 'image_url' in request.form:
# image_url = request.form['image_url']
# note_content.image_url=image_url
# note_content.save()
# other_note.note_content=note_content
# other_note.save()
return {'status':'success'}
def note_delete():
[token,note_id] = require_arguments('token','note_id')
#需弹窗确认是否删除
user = auth_by_token(token)
if not user:
raise InvalidArgument('token required')
Other_note.objects(id=note_id).delete()
return {'status':'success'}
def change_class_name():
[token, new_class_name] = require_arguments('token', 'new_class_name')
user = auth_by_token(token)
if new_class_name == user.class_name:
raise InvalidArgument("class_name hasn't been changed")
user.class_name = new_class_name
user.save()
return {'status': 'success'}
def note_by_id(id):
other_note = Other_note.objects(id=id).first()
if not Other_note:
raise InvalidArgument('id does not exist')
# return success({'owner':assignment.owner,
# 'scored problems':assignment.scored_problems,
# 'students':assignment.students
# })
return other_note
def answer_by_id(id):
#id = require_arguments('id')
answer = AssignmentAnswer.objects(id=id).first()
if not answer:
raise InvalidArgument('id does not exist')
# return success({'owner':assignment.owner,
# 'scored problems':assignment.scored_problems,
# 'students':assignment.students
# })
return answer
def assignment_by_id():
id = require_arguments('id')
assignment = Assignment.objects(id=id).first()
if not assignment:
raise InvalidArgument('id does not exist')
# return success({'owner':assignment.owner,
# 'scored problems':assignment.scored_problems,
# 'students':assignment.students
# })
return success(assignment)
def problem_add():
[token,problem,key,type_,difficulty] = require_arguments('token','problem','key','type_','difficulty')
user = auth_by_token(token,min_privilege='teacher')
try:
difficulty = int(difficulty)
except ValueError:
raise InvalidArgument('difficulty must be an integar')
problem = Problem(problem=problem,key=key,type_=type_,owner=user,difficulty=difficulty).save()
return success({'id':str(problem.id)})
def user_login():
[username, password] = require_arguments('username', 'password')
user = auth_by_password(username, password)
if not user:
raise InvalidArgument('invalid username or password')
id = str(uuid.uuid4()).replace('-', '')
token = Token(user=user,
token=id,
expire=datetime.datetime.now() + datetime.timedelta(days=30))
token.save()
return success({'token': id, 'type': user.type_})
def process_by_id(id):
try:
process = Process.objects.get(id=id)
except:
process = None
# process_name = '学习'
# process_brief_intro = '复习所学内容'
# Process(owner=user,process_name=process_name,process_brief_intro=process_brief_intro).save()
if not process:
raise InvalidArgument('id does not exist')
return process
def change_password():
[token, email_address, phone_number, old_password,
new_password] = require_arguments('token', 'email_address',
'phone_number', 'old_password',
'new_password')
user = auth_by_token(token)
# 前端来做
# if 'confirm_password' in request.form:
# confirm_password = request.form['confirm_password']
# else:
# return {'status':'failed','data':'confirm password required'}
# if new_password != confirm_password:
# return {'status':'failed','data':'the confirm password differs from the former one'}use
if email_address != user.email_address:
raise InvalidArgument('email_address is wrong')
if phone_number != user.phone_number:
raise InvalidArgument('phone number is wrong')
if old_password == new_password:
raise InvalidArgument('the new password is the same as the old')
if len(new_password) < 8 or len(new_password) > 16:
raise InvalidArgument(
'the length of password should be between 8 and 16')
if ' ' in new_password:
raise InvalidArgument('illegal character in password')
if old_password != user.password:
raise InvalidArgument('invalid password')
user.password = new_password
user.save()
return success(user.password) #这个要改，不能直接传密码
def user_register():
'''
route:/user_register
method:POST
fields:username,password,type
usernam不能与已知用户重复
password不能有空格，长度介于8到16之间
type只可为teacher，student，admin之一
'''
[username, password, type_] = require_arguments('username', 'password',
'type')
if ' ' in username:
raise InvalidArgument('invalid username')
if type_ not in ['student', 'teacher']:
raise InvalidArgument('user type invalid')
if User.objects(username=username).count() > 0:
raise InvalidArgument('duplicated username')
if len(password) > 16 or len(password) < 8:
raise InvalidArgument('password length should be between 8 and 16')
if ' ' in password:
raise InvalidArgument('Invalid password')
User(username=username, password=password, type_=type_).save()
return {'status': 'success'}
def fill_information():
[
token, real_name, student_id, email_address, phone_number, school_name,
grade_name, class_name
] = require_arguments('token', 'real_name', 'student_id', 'email_address',
'phone_number', 'school_name', 'grade_name',
'class_name')
user = auth_by_token(token)
if 'qq_number' in request.form:
qq_number = request.form['qq_number']
if qq_number != None:
if ' ' in qq_number:
raise InvalidArgument('invalid qq number')
if len(qq_number) < 5 or len(qq_number) > 10:
raise InvalidArgument('invalid qq number')
user.qq_number = qq_number
if len(phone_number) != 11:
raise InvalidArgument('invalid phone number')
if '@' not in email_address:
raise InvalidArgument('invalid email address')
if User.objects(email_address=email_address).count() > 0:
if email_address == user.email_address:
pass
else:
raise InvalidArgument('duplicated email address')
user.real_name = real_name
user.phone_number = phone_number
user.email_address = email_address
user.student_id = student_id
user.school_name = school_name
user.grade_name = grade_name
user.class_name = class_name
user.save()
return {'status': 'success'}
def user_full_info():
[token] = require_arguments("token")
user = auth_by_token(token)
if not user:
raise InvalidArgument("token invalid")
# if user.real_name==None and user.student_id==None:
# if user.phone_number == None and user.email_address == None:
# if user.qq_number == None and user.school_name == None:
# if user.grade_name == None and user.class_name == None:
# return None
return success({
'real_name': user.real_name,
'student_id': user.student_id,
'phone_number': user.phone_number,
'email_address': user.email_address,
'qq_number': user.qq_number,
'school_name': user.school_name,
'grade_name': user.grade_name,
'class_name': user.class_name
})
def auto_check_answer():
[token,answer_id]=require_arguments('token','answer_id')
user = auth_by_token(token)
answers = answer_by_id(answer_id)
assignment = answers.assignment
problems = answers.assignment.scored_problems
submit_time = datetime.datetime.now()
t = assignment.days_given
deadline = assignment.assign_time + datetime.timedelta(days=t)
if submit_time > deadline:
raise InvalidArgument('you have missed the deadline')
for index,answer in enumerate(answers):
problem = problems[index]
if answer == problem.problem.key:
answer.points_get.append(problems[index].point)
else:
fault_answer = FaultAnswer(answer=answer,problems=problem).save()
fault = Fault(owner=user,fault_answer=fault_answer)
fault.save()
answer.save()
return success(answer)
def stock_select(pool, targets, date, score, benchmark=None):
"""
选股
:param pool: pd.Series, index 为order_book_id, value 为 0/1/2，其中0表示最高优先级股票池，1表示次优先选择股票池，2表示备选股票池
:param targets: [TotalStockCountTarget | IndustryStockCountTarget]
:param date: 选股日期
:param score: RiskScore | RiskReturnScore | TargetStyleScore
:param benchmark: 基准
:return: [order_book_id]
"""
selected = []
pool_0 = pool[pool == 0].index.tolist()
pool_1 = pool[pool == 1].index.tolist()
pool_2 = pool[pool == 2].index.tolist()
date = to_date(date)
if benchmark is not None:
if isinstance(benchmark, str):
benchmark = IndexBenchmark(benchmark)
if not isinstance(benchmark, OptimizeBenchmark):
raise InvalidArgument(
'无效的benchmark：{}；对于指数，可以直接传入对应的order_book_id；'
'对于自定义基准，请传入一个 OptimizeBenchmark 的对象'.format(benchmark))
helper = OptimizeHelper(pool_0 + pool_1 + pool_2, date, benchmark,
CovModel.FACTOR_MODEL_DAILY)
if not isinstance(score, pd.Series):
score = score.get_score(helper)
pools = [
score[pool_0].sort_values(ascending=False),
score[pool_1].sort_values(ascending=False),
score[pool_2].sort_values(ascending=False)
]
industry_stock_count_targets = [
t for t in targets if isinstance(t, IndustryStockCountTarget)
]
for t in industry_stock_count_targets:
mapping = helper.get_industry_mapping(t.classification)
candidates = set(mapping[mapping == t.industry].index)
need = t.count
for pool in pools:
pool_candidates = [s for s in pool.index if s in candidates]
selected += pool_candidates[:need]
need -= len(pool_candidates)
for s in pool_candidates:
del pool[s]
if need <= 0:
break
if need > 0:
warnings.warn('股票池中行业 {} 股票数目不足'.format(t.industry),
category=OptimizerWarning)
total_stock_count_target = [
t for t in targets if isinstance(t, TotalStockCountTarget)
]
if len(total_stock_count_target) > 1:
raise ValueError('TotalStockCountTarget 仅允许一个')
if total_stock_count_target:
t = total_stock_count_target[0]
if len(selected) > t.count:
raise ValueError('根据行业选股要求选择股票后，股票数目超过了总股票数目')
need = t.count - len(selected)
for pool in pools:
selected += pool.index.tolist()[:need]
need -= len(pool.index)
if need <= 0:
break
if t.count > len(selected):
raise ValueError('候选股票池股票数不够')
return selected
def event_by_id(id):
event = Event.objects(id=id).first()
if not event:
raise InvalidArgument('id does not exist')
return event
def user_info():
[token] = require_arguments("token")
user = auth_by_token(token)
if not user:
raise InvalidArgument("token invalid")
return success({"username": user.username, "type": user.type})
