546 lines
17 KiB
Python
546 lines
17 KiB
Python
import os
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import secrets
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from operator import attrgetter
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import pyotp
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import time
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import datetime
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from django import forms
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from django.conf import settings
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from django.contrib.auth.models import User
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from django.contrib.auth.forms import AuthenticationForm
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from django.core.exceptions import ValidationError, ObjectDoesNotExist
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from django.core.validators import RegexValidator
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from django.db import transaction
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from django.db.models import Q
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from django.forms import (
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CharField,
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ChoiceField,
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Form,
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ModelForm,
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formset_factory,
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BaseModelFormSet,
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FileField,
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)
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from django.urls import reverse_lazy, reverse
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from django.utils.translation import gettext_lazy as _
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from django.utils import timezone
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from django_ace import AceWidget
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from judge.models import (
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Contest,
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Language,
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Organization,
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PrivateMessage,
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Problem,
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ProblemPointsVote,
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Profile,
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Submission,
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BlogPost,
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ContestProblem,
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)
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from judge.widgets import (
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HeavyPreviewPageDownWidget,
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MathJaxPagedownWidget,
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PagedownWidget,
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Select2MultipleWidget,
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Select2Widget,
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HeavySelect2MultipleWidget,
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HeavySelect2Widget,
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Select2MultipleWidget,
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DateTimePickerWidget,
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ImageWidget,
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)
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from judge.tasks import rescore_contest
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def fix_unicode(string, unsafe=tuple("\u202a\u202b\u202d\u202e")):
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return (
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string + (sum(k in unsafe for k in string) - string.count("\u202c")) * "\u202c"
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)
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class UserForm(ModelForm):
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class Meta:
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model = User
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fields = [
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"first_name",
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"last_name",
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]
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class ProfileForm(ModelForm):
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class Meta:
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model = Profile
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fields = [
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"about",
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"timezone",
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"language",
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"ace_theme",
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"user_script",
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"profile_image",
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]
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widgets = {
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"user_script": AceWidget(theme="github"),
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"timezone": Select2Widget(attrs={"style": "width:200px"}),
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"language": Select2Widget(attrs={"style": "width:200px"}),
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"ace_theme": Select2Widget(attrs={"style": "width:200px"}),
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"profile_image": ImageWidget,
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}
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has_math_config = bool(settings.MATHOID_URL)
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if has_math_config:
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fields.append("math_engine")
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widgets["math_engine"] = Select2Widget(attrs={"style": "width:200px"})
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if HeavyPreviewPageDownWidget is not None:
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widgets["about"] = HeavyPreviewPageDownWidget(
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preview=reverse_lazy("profile_preview"),
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attrs={"style": "max-width:700px;min-width:700px;width:700px"},
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)
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def __init__(self, *args, **kwargs):
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user = kwargs.pop("user", None)
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super(ProfileForm, self).__init__(*args, **kwargs)
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self.fields["profile_image"].required = False
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def clean_profile_image(self):
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profile_image = self.cleaned_data.get("profile_image")
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if profile_image:
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if profile_image.size > 5 * 1024 * 1024:
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raise ValidationError(
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_("File size exceeds the maximum allowed limit of 5MB.")
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)
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return profile_image
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def file_size_validator(file):
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limit = 10 * 1024 * 1024
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if file.size > limit:
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raise ValidationError("File too large. Size should not exceed 10MB.")
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class ProblemSubmitForm(ModelForm):
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source = CharField(
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max_length=65536, widget=AceWidget(theme="twilight", no_ace_media=True)
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)
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judge = ChoiceField(choices=(), widget=forms.HiddenInput(), required=False)
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source_file = FileField(required=False, validators=[file_size_validator])
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def __init__(self, *args, judge_choices=(), request=None, problem=None, **kwargs):
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super(ProblemSubmitForm, self).__init__(*args, **kwargs)
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self.source_file_name = None
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self.request = request
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self.problem = problem
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self.fields["language"].empty_label = None
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self.fields["language"].label_from_instance = attrgetter("display_name")
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self.fields["language"].queryset = Language.objects.filter(
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judges__online=True
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).distinct()
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if judge_choices:
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self.fields["judge"].widget = Select2Widget(
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attrs={"style": "width: 150px", "data-placeholder": _("Any judge")},
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)
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self.fields["judge"].choices = judge_choices
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def allow_url_as_source(self):
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key = self.cleaned_data["language"].key
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filename = self.files["source_file"].name
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if key == "OUTPUT" and self.problem.data_files.output_only:
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return filename.endswith(".zip")
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if key == "SCAT":
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return filename.endswith(".sb3")
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return False
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def clean(self):
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if "source_file" in self.files:
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if self.allow_url_as_source():
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filename = self.files["source_file"].name
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now = datetime.datetime.now()
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timestamp = str(int(time.mktime(now.timetuple())))
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self.source_file_name = (
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timestamp + secrets.token_hex(5) + "." + filename.split(".")[-1]
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)
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filepath = os.path.join(
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settings.DMOJ_SUBMISSION_ROOT, self.source_file_name
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)
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with open(filepath, "wb+") as destination:
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for chunk in self.files["source_file"].chunks():
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destination.write(chunk)
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self.cleaned_data["source"] = self.request.build_absolute_uri(
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reverse("submission_source_file", args=(self.source_file_name,))
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)
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del self.files["source_file"]
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return self.cleaned_data
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class Meta:
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model = Submission
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fields = ["language"]
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class EditOrganizationForm(ModelForm):
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class Meta:
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model = Organization
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fields = [
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"name",
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"slug",
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"short_name",
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"about",
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"logo_override_image",
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"admins",
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"is_open",
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]
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widgets = {"admins": Select2MultipleWidget()}
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if HeavyPreviewPageDownWidget is not None:
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widgets["about"] = HeavyPreviewPageDownWidget(
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preview=reverse_lazy("organization_preview")
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)
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class AddOrganizationForm(ModelForm):
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class Meta:
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model = Organization
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fields = [
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"name",
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"slug",
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"short_name",
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"about",
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"logo_override_image",
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"is_open",
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]
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widgets = {}
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if HeavyPreviewPageDownWidget is not None:
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widgets["about"] = HeavyPreviewPageDownWidget(
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preview=reverse_lazy("organization_preview")
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)
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def __init__(self, *args, **kwargs):
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self.request = kwargs.pop("request", None)
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super(AddOrganizationForm, self).__init__(*args, **kwargs)
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def save(self, commit=True):
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res = super(AddOrganizationForm, self).save(commit=False)
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res.registrant = self.request.profile
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if commit:
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res.save()
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return res
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class AddOrganizationContestForm(ModelForm):
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def __init__(self, *args, **kwargs):
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self.request = kwargs.pop("request", None)
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super(AddOrganizationContestForm, self).__init__(*args, **kwargs)
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def save(self, commit=True):
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contest = super(AddOrganizationContestForm, self).save(commit=False)
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old_save_m2m = self.save_m2m
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def save_m2m():
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for i, problem in enumerate(self.cleaned_data["problems"]):
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contest_problem = ContestProblem(
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contest=contest, problem=problem, points=100, order=i + 1
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)
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contest_problem.save()
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contest.contest_problems.add(contest_problem)
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old_save_m2m()
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self.save_m2m = save_m2m
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contest.save()
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self.save_m2m()
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return contest
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class Meta:
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model = Contest
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fields = (
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"key",
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"name",
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"start_time",
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"end_time",
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"problems",
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)
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widgets = {
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"start_time": DateTimePickerWidget(),
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"end_time": DateTimePickerWidget(),
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"problems": HeavySelect2MultipleWidget(data_view="problem_select2"),
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}
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class EditOrganizationContestForm(ModelForm):
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def __init__(self, *args, **kwargs):
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self.org_id = kwargs.pop("org_id", 0)
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super(EditOrganizationContestForm, self).__init__(*args, **kwargs)
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for field in [
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"authors",
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"curators",
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"testers",
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"private_contestants",
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"banned_users",
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"view_contest_scoreboard",
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]:
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self.fields[field].widget.data_url = (
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self.fields[field].widget.get_url() + "?org_id=1"
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)
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def save(self, commit=True):
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res = super(EditOrganizationContestForm, self).save(commit=False)
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if commit:
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res.save()
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transaction.on_commit(rescore_contest.s(res.key).delay)
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return res
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class Meta:
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model = Contest
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fields = (
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"is_visible",
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"key",
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"name",
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"start_time",
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"end_time",
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"format_name",
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"authors",
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"curators",
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"testers",
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"time_limit",
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"freeze_after",
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"use_clarifications",
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"hide_problem_tags",
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"scoreboard_visibility",
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"run_pretests_only",
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"points_precision",
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"description",
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"og_image",
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"logo_override_image",
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"summary",
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"access_code",
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"private_contestants",
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"view_contest_scoreboard",
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"banned_users",
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)
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widgets = {
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"authors": HeavySelect2MultipleWidget(data_view="profile_select2"),
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"curators": HeavySelect2MultipleWidget(data_view="profile_select2"),
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"testers": HeavySelect2MultipleWidget(data_view="profile_select2"),
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"private_contestants": HeavySelect2MultipleWidget(
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data_view="profile_select2"
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),
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"banned_users": HeavySelect2MultipleWidget(data_view="profile_select2"),
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"view_contest_scoreboard": HeavySelect2MultipleWidget(
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data_view="profile_select2"
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),
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"organizations": HeavySelect2MultipleWidget(
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data_view="organization_select2"
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),
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"tags": Select2MultipleWidget,
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"description": HeavyPreviewPageDownWidget(
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preview=reverse_lazy("contest_preview")
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),
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"start_time": DateTimePickerWidget(),
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"end_time": DateTimePickerWidget(),
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"format_name": Select2Widget(),
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"scoreboard_visibility": Select2Widget(),
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}
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class AddOrganizationMemberForm(ModelForm):
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new_users = CharField(
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max_length=65536,
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widget=forms.Textarea,
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help_text=_("Enter usernames separating by space"),
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label=_("New users"),
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)
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def clean(self):
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new_users = self.cleaned_data.get("new_users") or ""
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usernames = new_users.split()
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invalid_usernames = []
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valid_usernames = []
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for username in usernames:
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try:
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valid_usernames.append(Profile.objects.get(user__username=username))
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except ObjectDoesNotExist:
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invalid_usernames.append(username)
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if invalid_usernames:
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raise ValidationError(
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_("These usernames don't exist: {usernames}").format(
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usernames=str(invalid_usernames)
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)
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)
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self.cleaned_data["new_users"] = valid_usernames
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return self.cleaned_data
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class Meta:
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model = Organization
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fields = ()
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class OrganizationBlogForm(ModelForm):
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class Meta:
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model = BlogPost
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fields = ("title", "content", "publish_on")
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widgets = {
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"publish_on": forms.HiddenInput,
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}
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if HeavyPreviewPageDownWidget is not None:
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widgets["content"] = HeavyPreviewPageDownWidget(
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preview=reverse_lazy("organization_preview")
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)
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def __init__(self, *args, **kwargs):
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super(OrganizationBlogForm, self).__init__(*args, **kwargs)
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self.fields["publish_on"].required = False
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self.fields["publish_on"].is_hidden = True
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def clean(self):
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self.cleaned_data["publish_on"] = timezone.now()
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return self.cleaned_data
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class OrganizationAdminBlogForm(OrganizationBlogForm):
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class Meta:
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model = BlogPost
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fields = ("visible", "sticky", "title", "content", "publish_on")
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widgets = {
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"publish_on": forms.HiddenInput,
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}
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if HeavyPreviewPageDownWidget is not None:
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widgets["content"] = HeavyPreviewPageDownWidget(
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preview=reverse_lazy("organization_preview")
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)
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class NewMessageForm(ModelForm):
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class Meta:
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model = PrivateMessage
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fields = ["title", "content"]
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widgets = {}
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if PagedownWidget is not None:
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widgets["content"] = MathJaxPagedownWidget()
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class CustomAuthenticationForm(AuthenticationForm):
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def __init__(self, *args, **kwargs):
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super(CustomAuthenticationForm, self).__init__(*args, **kwargs)
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self.fields["username"].widget.attrs.update({"placeholder": _("Username")})
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self.fields["password"].widget.attrs.update({"placeholder": _("Password")})
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self.has_google_auth = self._has_social_auth("GOOGLE_OAUTH2")
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self.has_facebook_auth = self._has_social_auth("FACEBOOK")
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self.has_github_auth = self._has_social_auth("GITHUB_SECURE")
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def _has_social_auth(self, key):
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return getattr(settings, "SOCIAL_AUTH_%s_KEY" % key, None) and getattr(
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settings, "SOCIAL_AUTH_%s_SECRET" % key, None
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)
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class NoAutoCompleteCharField(forms.CharField):
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def widget_attrs(self, widget):
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attrs = super(NoAutoCompleteCharField, self).widget_attrs(widget)
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attrs["autocomplete"] = "off"
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return attrs
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class TOTPForm(Form):
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TOLERANCE = settings.DMOJ_TOTP_TOLERANCE_HALF_MINUTES
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totp_token = NoAutoCompleteCharField(
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validators=[
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RegexValidator(
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"^[0-9]{6}$",
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_("Two Factor Authentication tokens must be 6 decimal digits."),
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),
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]
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)
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def __init__(self, *args, **kwargs):
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self.totp_key = kwargs.pop("totp_key")
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super(TOTPForm, self).__init__(*args, **kwargs)
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def clean_totp_token(self):
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if not pyotp.TOTP(self.totp_key).verify(
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self.cleaned_data["totp_token"], valid_window=self.TOLERANCE
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):
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raise ValidationError(_("Invalid Two Factor Authentication token."))
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class ProblemCloneForm(Form):
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code = CharField(
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max_length=20,
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validators=[
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RegexValidator("^[a-z0-9]+$", _("Problem code must be ^[a-z0-9]+$"))
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],
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)
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def clean_code(self):
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code = self.cleaned_data["code"]
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if Problem.objects.filter(code=code).exists():
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raise ValidationError(_("Problem with code already exists."))
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return code
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class ContestCloneForm(Form):
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key = CharField(
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max_length=20,
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validators=[RegexValidator("^[a-z0-9]+$", _("Contest id must be ^[a-z0-9]+$"))],
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)
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organization = ChoiceField(choices=(), required=True)
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def __init__(self, *args, org_choices=(), profile=None, **kwargs):
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super(ContestCloneForm, self).__init__(*args, **kwargs)
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self.fields["organization"].widget = Select2Widget(
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attrs={"style": "width: 100%", "data-placeholder": _("Group")},
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)
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self.fields["organization"].choices = org_choices
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self.profile = profile
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def clean_key(self):
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key = self.cleaned_data["key"]
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if Contest.objects.filter(key=key).exists():
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raise ValidationError(_("Contest with key already exists."))
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return key
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def clean_organization(self):
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organization_id = self.cleaned_data["organization"]
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try:
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organization = Organization.objects.get(id=organization_id)
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except Exception:
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raise ValidationError(_("Group doesn't exist."))
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if not organization.admins.filter(id=self.profile.id).exists():
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raise ValidationError(_("You don't have permission in this group."))
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return organization
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class ProblemPointsVoteForm(ModelForm):
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class Meta:
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model = ProblemPointsVote
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fields = ["points"]
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class ContestProblemForm(ModelForm):
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class Meta:
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model = ContestProblem
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fields = (
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"order",
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"problem",
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"points",
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"partial",
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"output_prefix_override",
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"max_submissions",
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)
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widgets = {
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"problem": HeavySelect2Widget(
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data_view="problem_select2", attrs={"style": "width:100%"}
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),
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}
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class ContestProblemFormSet(
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formset_factory(
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ContestProblemForm, formset=BaseModelFormSet, extra=6, can_delete=True
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)
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):
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model = ContestProblem
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