def problem_copy(user, original_problem, new_problem_set):
"""
Copies the given problem to the given problem set.
Verifies if:
a) user can edit the problem.
b) user can edit the problem set.
Returns the copy of the given problem.
"""
verify(user.can_view_problem(original_problem))
verify(request.user.can_edit_problem_set(new_problem_set))
new_problem = Problem()
new_problem.title = original_problem.title
new_problem.description = original_problem.description
new_problem.problem_set = new_problem_set
new_problem.tags = original_problem.tags
new_problem.save()
original_parts = original_problem.parts.all()
for original_part in original_parts:
new_part = Part()
new_part.problem = new_problem
new_part.description = original_part.description
new_part.solution = original_part.solution
new_part.validation = original_part.validation
new_part.secret = original_part.secret
new_part.save()
return new_problem
def new(request):
problem = Problem()
context = {}
if request.method == "POST":
problem.title = request.POST.get('title','')
problem.author = request.POST.get('author','')
problem.description = request.POST.get('description','')
problem.task = request.POST.get('task', '')
problem.solution = request.POST.get('solution', '')
problem.user = request.user
try: problem.difficulty = int(request.POST.get('difficulty', '0'))
except ValueError: problem.difficulty = 0
try: problem.coolness = int(request.POST.get('coolness', '0'))
except ValueError: problem.coolness = 0
try:
problem.save()
for tag_id in request.POST.getlist('tags'):
try:
tag_obj = Tag.objects.get(id = tag_id)
problem.tags.add(tag_obj)
except tag.DoesNotExist: pass
success_msg(request, "The problem was created successfully.")
return redirect('problems-problem', problem.id)
except problem.Error as error:
error_msg(request, "Could not create the problem because of some errors.")
context['error'] = error
context['problem'] = problem
tags = list(Tag.objects.all())
tags.sort(key = lambda x : pl_filter(x.name.lower()))
context['tags'] = tags
selected_tags = []
for tag_id in request.POST.getlist('tags'):
try: selected_tags.append(int(tag_id))
except ValueError: pass
context['selected_tags'] = selected_tags
return render(request, 'problems/new.html', context)
def new(request):
problem = Problem()
context = {}
if request.method == "POST":
problem.title = request.POST.get('title','')
problem.author = request.POST.get('author','')
problem.description = request.POST.get('description','')
problem.task = request.POST.get('task', '')
problem.solution = request.POST.get('solution', '')
problem.user = request.user
try: problem.difficulty = int(request.POST.get('difficulty', '0'))
except ValueError: problem.difficulty = 0
try: problem.coolness = int(request.POST.get('coolness', '0'))
except ValueError: problem.coolness = 0
try:
problem.save()
for tag_id in request.POST.getlist('tags'):
try:
tag_obj = Tag.objects.get(id = tag_id)
problem.tags.add(tag_obj)
except tag.DoesNotExist: pass
success_msg(request, "The problem was created successfully.")
return redirect('problems-problem', problem.id)
except problem.Error as error:
error_msg(request, "Could not create the problem because of some errors.")
context['error'] = error
context['problem'] = problem
tags = list(Tag.objects.all())
tags.sort(key = lambda x : pl_filter(x.name.lower()))
context['tags'] = tags
selected_tags = []
for tag_id in request.POST.getlist('tags'):
try: selected_tags.append(int(tag_id))
except ValueError: pass
context['selected_tags'] = selected_tags
return render(request, 'problems/new.html', context)
C = Contest()
C.description = '写脚本真累'
C.participant = 200
C.source = 'zwlin'
C.title = 'Testing_Contest'
C.create_user = User.objects.get(username='******')
C.save()
with open("./item.json", 'r') as f:
problems = json.load(f)
id = 1000
for item in problems:
p = Problem()
p.problem_id = str(id)
p.title = item.get('Title', '')
p.description = item.get('ProblemDescription', '')
p.input_description = item.get('Input', '')
p.output_description = item.get('Output', '')
p.sample_input = item.get('SampleInput', '')
p.sample_output = item.get('SampleOutput', '')
p.hint = item.get('Hint', '')
p.source = item.get('Author', '')
# 插入1个题目 , 插入外键需要 两个contest 以及 problem 实例 不好改
if id <= 1010:
p.contest = Contest.objects.get(pk=1)
p.save()
id += 1
# str_id = str(id + 2000)
# CP = Contest_problem()
# CP.contest_problem_id = str_id
# CP.contest_id = 'A001'
