def __init__(self, *args, **kwargs):
im_state = get_available('im_state', *args, **kwargs)
super(CompanyForm, self).__init__(*args, **kwargs)
#append_choices_fileds
self.fields['large_scale'] = forms.ChoiceField(
choices=get_choices('large_scale'), required=False)
self.fields['major_partner'] = forms.ChoiceField(
choices=get_choices('major_partner'), required=False)
self.fields['closed_net'] = forms.ChoiceField(
choices=get_choices('closed_net'), required=False)
self.fields['defense_industry'] = forms.ChoiceField(
choices=get_choices('defense_industry'), required=False)
self.fields['smart_factory'] = forms.ChoiceField(
choices=get_choices('smart_factory'), required=False)
#위젯 attribute 수정
for key, field in self.fields.items():
for config in attrs_configs:
if key in config['fields']:
self.fields[key].widget.attrs[
config['attrs']] = config['value']
self.fields['im_state'].widget = forms.HiddenInput()
#im_state 초기 설정
if im_state:
self.fields['im_1'].initial = bool(int(im_state[0]))
self.fields['im_2'].initial = bool(int(im_state[1]))
self.fields['im_3'].initial = bool(int(im_state[2]))
self.fields['im_4'].initial = bool(int(im_state[3]))
class RansomwarePost(models.Model):
company = models.ForeignKey(Company, on_delete=models.CASCADE)
document_n = models.PositiveIntegerField()
send_date = models.DateField(null=True, blank=True)
agent_name = models.CharField(max_length=100)
agent_ip = models.CharField(max_length=50)
detect_date = models.DateField()
path = models.CharField(max_length=100)
reply = models.CharField(max_length=30, choices=get_choices('reply'))
file_name = models.CharField(max_length=100)
process_state = models.CharField(max_length=30, choices=get_choices('process_state'))
created = models.DateTimeField(auto_now_add=True)
updated = models.DateTimeField(auto_now=True)
user = models.ForeignKey(User, on_delete=models.CASCADE)
views = models.PositiveIntegerField(default=0)
class Symptom(models.Model):
detect_date = models.DateField()
company = models.ForeignKey(Company, on_delete=models.CASCADE)
product_name = models.CharField(max_length=100, choices=get_choices('product_name'))
product_etc = models.CharField(max_length=200, null=True, blank=True)
detect_name = models.CharField(max_length=100)
start_point = models.CharField(max_length=100)
end_point = models.CharField(max_length=100)
dport = models.CharField(max_length=200)
direction = models.CharField(max_length=100, choices=get_choices('direction'))
event_report_etc = models.CharField(max_length=100, null=True, blank=True)
response_type_etc = models.CharField(max_length=100, null=True, blank=True)
country = models.CharField(max_length=100)
attack_type = models.CharField(max_length=100, choices=get_choices('attack_class'))
content = models.TextField()
countermeasures = models.TextField()
created = models.DateTimeField(auto_now_add=True)
updated = models.DateTimeField(auto_now=True)
user = models.ForeignKey(User, on_delete=models.CASCADE)
views = models.PositiveIntegerField(default=0)
def get_response_type(self):
rts = list(self.response_type.all().values_list('value', flat=True))
try:
etc_idx = rts.index('기타')
rts[etc_idx] = '기타(%s)'%(self.response_type_etc or ' ')
except:
pass
return ', '.join(rts)
def get_product_name(self):
if self.product_name == '기타':
return self.product_etc
else:
return self.product_name
class DetectionPattern(models.Model):
pattern_name = models.CharField(max_length=100, verbose_name='탐지 패턴명')
risk = models.CharField(max_length=100, choices=get_choices('risk'))
cve = models.CharField(max_length=100)
rule_regist_date = models.DateField(null=True, blank=True)
process_state = models.CharField(max_length=100, choices=get_choices('process_state'))
equipment_class = models.CharField(max_length=100)
equipment_etc = models.CharField(max_length=200, null=True, blank=True)
attack_class = models.CharField(max_length=100)
attack_class_etc = models.CharField(max_length=200, null=True, blank=True)
attack_type = models.CharField(max_length=100)
attack_type_etc = models.CharField(max_length=200, null=True, blank=True)
content = models.TextField()
countermeasures = models.TextField()
created = models.DateTimeField(auto_now_add=True)
updated = models.DateTimeField(auto_now=True)
user = models.ForeignKey(User, on_delete=models.CASCADE)
views = models.PositiveIntegerField(default=0)
def get_equipment_class(self):
if self.equipment_class == '기타':
return self.equipment_etc
else:
return self.equipment_class
def get_attack_class(self):
if self.equipment_class == '기타':
return self.attack_class_etc
else:
return self.attack_class
def get_attack_type(self):
if self.equipment_class == '기타':
return self.attack_type_etc
else:
return self.attack_type
class Outflow(models.Model):
company = models.ForeignKey(Company, on_delete=models.CASCADE)
document_n = models.PositiveIntegerField()
send_date = models.DateField(null=True, blank=True)
url = models.CharField(max_length=200)
process_state = models.CharField(max_length=30, choices=get_choices('process_state'))
content = models.TextField()
created = models.DateTimeField(auto_now_add=True)
updated = models.DateTimeField(auto_now=True)
user = models.ForeignKey(User, on_delete=models.CASCADE)
views = models.PositiveIntegerField(default=0)
def get_weekness_as_text(self):
weekness = self.weekness.all()
text = ''
for i in range(min(len(weekness), 3)):
text += weekness[i].value + ', '
if len(weekness) > 3:
text += '등..'
return text
def get_weekness(self):
weekness = self.weekness.all().values_list('value', flat=True)
return ', '.join(weekness)
class Schedule(models.Model):
start_date = models.DateField()
end_date = models.DateField()
process_state = models.CharField(max_length=50, choices=get_choices('process_state'))
title = models.CharField(max_length=200)
content = models.TextField()
file1 = models.FileField(upload_to='files/%Y/%m/%d', null=True, blank=True)
file2 = models.FileField(upload_to='files/%Y/%m/%d', null=True, blank=True)
user = models.ForeignKey(User, on_delete=models.CASCADE)
created = models.DateTimeField(auto_now_add=True)
updated = models.DateTimeField(auto_now=True)
views = models.PositiveIntegerField(default=0)
def get_popup_data(self):
result = '작성자:%s <br> %s'%(self.user.user_name, self.content)
return result
@staticmethod
def get_today():
today = datetime.datetime.today()
Q1 = Q(start_date__lte=today)
Q2 = Q(end_date__gte=today)
schedule = Schedule.objects.filter(Q1 & Q2).order_by('start_date')
return schedule
def updateDetectionpattern(request, id):
subs = {
'id_attack_class_0': get_choices('attack_class_sub1', defalut=False),
'id_attack_class_1': get_choices('attack_class_sub2', defalut=False),
'id_attack_class_2': get_choices('attack_class_sub3', defalut=False),
'id_attack_class_3': get_choices('attack_class_sub4', defalut=False),
'id_attack_class_4': [('기타', '기타')],
}
instance = DetectionPattern.objects.get(id=id)
if request.method == 'POST':
form = DetectionPatternForm(request.POST, instance=instance)
if form.is_valid():
form.save()
return HttpResponseRedirect(reverse(('main:home')))
else:
form = DetectionPatternForm(instance=instance)
return render(request, 'post/detectionpattern/write.html', {
'form': form,
'subs': subs
})
class CompanyRecord(models.Model):
company = models.ForeignKey(Company, on_delete=models.CASCADE, related_name='record')
division = models.CharField(max_length=100, choices=get_choices('division'))
process_method = models.CharField(max_length=100)
process_method_etc = models.CharField(max_length=200, null=True, blank=True)
occurr_date = models.DateTimeField()
process_state = models.CharField(max_length=100, choices=get_choices('process_state'))
title = models.TextField()
content = models.TextField()
manager_e_name = models.CharField(max_length=100, null=True, blank=True)
manager_e_depart = models.CharField(max_length=100, null=True, blank=True)
manager_e_phone = models.CharField(max_length=100, null=True, blank=True)
manager_e_cphone = models.CharField(max_length=100, null=True, blank=True)
manager_e_email = models.EmailField(max_length=100, null=True, blank=True)
visible_m = models.BooleanField(null=True, blank=True, default=False, verbose_name='(정)')
visible_s = models.BooleanField(null=True, blank=True, default=False, verbose_name='(부)')
visible_e = models.BooleanField(null=True, blank=True, default=False, verbose_name='(기타)')
created = models.DateTimeField(auto_now_add=True)
updated = models.DateTimeField(auto_now=True)
user = models.ForeignKey(User, on_delete=models.CASCADE)
views = models.PositiveIntegerField(default=0)
def writeDetectionpattern(request):
subs = {
'id_attack_class_0': get_choices('attack_class_sub1', defalut=False),
'id_attack_class_1': get_choices('attack_class_sub2', defalut=False),
'id_attack_class_2': get_choices('attack_class_sub3', defalut=False),
'id_attack_class_3': get_choices('attack_class_sub4', defalut=False),
'id_attack_class_4': [('기타', '기타')],
}
if request.method == 'POST':
form = DetectionPatternForm(request.POST)
if form.is_valid():
obj = form.save(commit=False)
obj.user = request.user
obj.save()
return HttpResponseRedirect(
reverse("post:list", args=['detectionpattern']))
else:
form = DetectionPatternForm()
return render(request, 'post/detectionpattern/write.html', {
'form': form,
'subs': subs
})
class Address(models.Model):
address = models.CharField(max_length=200)
address_old = models.CharField(max_length=200, null=True, blank=True)
detail = models.CharField(max_length=100, null=True, blank=True)
zip_code = models.CharField(max_length=20, null=True, blank=True)
note = models.CharField(max_length=100, null=True, blank=True)
location = models.CharField(max_length=20, choices=get_choices('location'))
overseas_address = models.CharField(max_length=200, null=True, blank=True)
def __init__(self, *args, **kwargs):
if kwargs.get('instance'):
kwargs['instance'].occurr_date = kwargs[
'instance'].occurr_date.strftime('%Y-%m-%dT%H:%M')
occurr_date = get_available('occurr_date', *args, **kwargs)
super(CompanyRecordForm, self).__init__(*args, **kwargs)
self.fields['occurr_date'] = forms.DateTimeField(
input_formats=['%Y-%m-%dT%H:%M'],
widget=forms.TimeInput(attrs={'type': 'datetime-local'}))
self.fields['company'].widget = forms.HiddenInput()
self.fields['visible_m'].widget = forms.CheckboxInput()
self.fields['visible_s'].widget = forms.CheckboxInput()
self.fields['visible_e'].widget = forms.CheckboxInput()
self.fields['process_method'] = forms.ChoiceField(
choices=get_choices('process_method', defalut=False),
widget=forms.RadioSelect)
if occurr_date:
print(occurr_date)
class Ransomware(models.Model):
contract = models.CharField(max_length=50,
null=True,
blank=True,
choices=get_choices('contract'))
apply_n = models.IntegerField(null=True, blank=True)
interlock_date = models.DateField(null=True, blank=True)
termination_date = models.DateField(null=True, blank=True)
termination_reason = models.CharField(max_length=50, null=True, blank=True)
etc = models.CharField(max_length=255, null=True, blank=True)
created = models.DateTimeField(auto_now_add=True)
updated = models.DateTimeField(auto_now=True)
class Notice(models.Model):
title = models.CharField(max_length=200)
content = models.TextField()
file1 = models.FileField(upload_to='files/%Y/%m/%d', null=True, blank=True)
file2 = models.FileField(upload_to='files/%Y/%m/%d', null=True, blank=True)
user = models.ForeignKey(User, on_delete=models.CASCADE)
views = models.PositiveIntegerField(default=0)
created = models.DateTimeField(auto_now_add=True)
updated = models.DateTimeField(auto_now=True)
division = models.CharField(max_length=100, choices=get_choices('notice_division'))
execute_date = models.DateField()
answers = GenericRelation(Answer)
def __init__(self, *args, **kwargs):
super(DetectionPatternForm, self).__init__(*args, **kwargs)
to_date_widget(self.fields)
self.fields['pattern_name'].widget.attrs['readonly'] = 'true'
self.fields['content'].widget = SummernoteWidget()
self.fields['equipment_class'] = forms.ChoiceField(
widget=forms.RadioSelect,
choices=get_choices('se_equipment_class', defalut=False))
self.fields['attack_class'] = forms.ChoiceField(
widget=forms.RadioSelect(attrs={'onclick': 'set_sub_list(this)'}),
choices=get_choices('attack_class', defalut=False))
subs = get_choices('attack_class_sub1') + get_choices(
'attack_class_sub2', defalut=False) + get_choices(
'attack_class_sub3', defalut=False) + get_choices(
'attack_class_sub4', defalut=False)
self.fields['attack_type'] = forms.ChoiceField(widget=forms.Select,
choices=subs)
self.fields['attack_class_etc'].widget.attrs[
'placeholder'] = '기타선택시 입력하세요'
self.fields['attack_type_etc'].widget.attrs[
'placeholder'] = '기타선택시 입력하세요'
class Company(models.Model):
name = models.CharField(max_length=50, verbose_name='업체명')
tenant = models.BooleanField(blank=True,
default=False,
verbose_name='입주기업')
ss_security = models.CharField(max_length=20,
choices=get_choices('service_state'),
verbose_name='서비스현황-보안관제')
ss_internal = models.CharField(max_length=20,
choices=get_choices('service_state'),
verbose_name='서비스현황-내부정보')
ss_virus = models.CharField(max_length=20,
choices=get_choices('service_state'),
verbose_name='서비스현황-악성코드')
ss_ransomware = models.CharField(max_length=20,
choices=get_choices('service_state'),
verbose_name='서비스현황-랜섬웨어')
im_state = models.CharField(max_length=20, blank=True, default='0000')
business_type = models.CharField(max_length=50,
choices=get_choices('business_type'),
verbose_name='사업자유형')
business_etc = models.CharField(max_length=50, blank=True, null=True)
business_uptae = models.CharField(max_length=50,
choices=get_choices('business_uptae'),
verbose_name='업태')
business_class = models.CharField(max_length=50,
choices=get_choices('business_class'),
verbose_name='업종')
join_path = models.CharField(max_length=50,
choices=get_choices('join_path'),
verbose_name='가입경로')
top_name = models.CharField(max_length=50, verbose_name='대표자명')
#top_email = models.EmailField()
homepage = models.CharField(max_length=100,
null=True,
blank=True,
verbose_name='홈페이지')
business_n = models.IntegerField(verbose_name='사업자번호')
address = models.ForeignKey(Address,
on_delete=models.DO_NOTHING,
related_name='company_address')
#install_address = models.ForeignKey(Address, on_delete=models.DO_NOTHING, related_name='install_address')
operation_etc = models.CharField(max_length=50, null=True, blank=True)
large_etc = models.CharField(max_length=50, null=True, blank=True)
major_etc = models.CharField(max_length=50, null=True, blank=True)
closed_etc = models.CharField(max_length=50, null=True, blank=True)
defense_etc = models.CharField(max_length=50, null=True, blank=True)
smart_etc = models.CharField(max_length=50, null=True, blank=True)
large_scale = models.CharField(max_length=50,
null=True,
blank=True,
choices=get_choices('large_scale'))
major_partner = models.CharField(max_length=50,
null=True,
blank=True,
choices=get_choices('major_partner'))
closed_net = models.CharField(max_length=50,
null=True,
blank=True,
choices=get_choices('closed_net'))
defense_industry = models.CharField(
max_length=50,
null=True,
blank=True,
choices=get_choices('defense_industry'))
smart_factory = models.CharField(max_length=50,
null=True,
blank=True,
choices=get_choices('smart_factory'))
manager_m_name = models.CharField(max_length=50, verbose_name='(정)-이름')
manager_m_depart = models.CharField(max_length=50)
manager_m_phone = models.IntegerField()
manager_m_cphone = models.IntegerField()
manager_m_email = models.EmailField()
manager_s_name = models.CharField(max_length=50, null=True, blank=True)
manager_s_depart = models.CharField(max_length=50, null=True, blank=True)
manager_s_phone = models.IntegerField(null=True, blank=True)
manager_s_cphone = models.IntegerField(null=True, blank=True)
manager_s_email = models.EmailField(null=True, blank=True)
manager_f_name = models.CharField(max_length=50, null=True, blank=True)
manager_f_depart = models.CharField(max_length=50, null=True, blank=True)
manager_f_phone = models.IntegerField(null=True, blank=True)
manager_f_cphone = models.IntegerField(null=True, blank=True)
manager_f_email = models.EmailField(null=True, blank=True)
#bill_send_date = models.IntegerField()
etc = models.TextField(null=True, blank=True)
file = models.FileField(upload_to='files/%Y/%m/%d', null=True, blank=True)
security = models.ForeignKey(Security, on_delete=models.DO_NOTHING)
internal = models.ForeignKey(Internal, on_delete=models.DO_NOTHING)
virus = models.ForeignKey(Virus, on_delete=models.DO_NOTHING)
ransomware = models.ForeignKey(Ransomware, on_delete=models.DO_NOTHING)
created = models.DateTimeField(auto_now_add=True)
updated = models.DateTimeField(auto_now=True)
user = models.ForeignKey(User, on_delete=models.CASCADE)
views = models.PositiveIntegerField(default=0)
colors = {
'미사용': 'white',
'사용중': 'green',
'개통예정': 'darkviolet',
'해지': 'red',
}
def get_area(self):
try:
address = self.address.address
space = address.find(' ')
except:
address = ''
return address[:space]
def get_business_category(self):
field_list = [
self.large_scale, self.major_partner, self.closed_net,
self.defense_industry, self.smart_factory, self.operation_etc
]
datas = []
for field in field_list:
if field:
datas.append(field)
result = ', '.join(datas)
html = '<span class="bscate">%s</span>' % result
return html
def get_im_state(self):
value_list = ['보안관제', '내부보안', '악성코드', '랜섬웨어']
result = ''
for i, bite in enumerate(self.im_state):
if int(bite):
result += value_list[i] + ' '
return result
def get_address(self):
ad = self.address
result = '%s, %s %s' % (
ad.address,
ad.detail,
ad.note,
)
return result
def set_ss_state_color(self):
colors = dict(self.colors)
colors['미사용'] = 'gainsboro'
ids = [
'ss_security',
'ss_internal',
'ss_virus',
'ss_ransomware',
]
result = []
for id in ids:
val = eval('self.%s' % id)
color = colors[val]
result.append('#%s {color:%s; font-weight:bold;}' % (id, color))
return result
def set_security_color(self):
color = self.colors[self.ss_security]
return 'style="color:%s; font-weight:bold;"' % color
def set_internal_color(self):
color = self.colors[self.ss_internal]
return 'style="color:%s; font-weight:bold;"' % color
def set_virus_color(self):
color = self.colors[self.ss_virus]
return 'style="color:%s; font-weight:bold;"' % color
def set_ransomware_color(self):
color = self.colors[self.ss_ransomware]
return 'style="color:%s; font-weight:bold;"' % color
@staticmethod
def get_state():
result = {
'all': {
'ss_security': {},
'ss_internal': {},
'ss_virus': {},
'ss_ransomware': {},
'total': {
'use': 0,
'soon': 0,
'termination': 0,
'sum': 0,
'sum_all': 0,
}
},
'defense': {
'ss_security': {},
'ss_internal': {},
'ss_virus': {},
'ss_ransomware': {},
'total': {
'use': 0,
'soon': 0,
'termination': 0,
'sum': 0,
'sum_all': 0,
}
},
}
fields = ['ss_security', 'ss_internal', 'ss_virus', 'ss_ransomware']
Q1 = lambda field: "Q(%s = '사용중')" % field
Q2 = lambda field: "Q(%s = '개통예정')" % field
Q3 = lambda field: "Q(%s = '해지')" % field
Q4 = lambda field: "Q(%s = '사용중') & Q(defense_industry__icontains = '방위')" % field
Q5 = lambda field: "Q(%s = '개통예정') & Q(defense_industry__icontains = '방위')" % field
Q6 = lambda field: "Q(%s = '해지') & Q(defense_industry__icontains = '방위')" % field
for field in fields:
use = result['all'][field][
'use'] = Company.get_state_by_conditions(field, Q1)
soon = result['all'][field][
'soon'] = Company.get_state_by_conditions(field, Q2)
termination = result['all'][field][
'termination'] = Company.get_state_by_conditions(field, Q3)
sum = result['all'][field][
'sum'] = Company.get_state_by_conditions(field, Q1, Q2)
sum_all = result['all'][field][
'sum_all'] = Company.get_state_by_conditions(
field, Q1, Q2, Q3)
result['all'][field][
'content'] = "사용중 : %s , 개통예정 : %s, 해지 : %s <br> %s+%s (%s+%s+%s)" % (
result['all'][field]['use'], result['all'][field]['soon'],
result['all'][field]['termination'],
result['all'][field]['use'], result['all'][field]['soon'],
result['all'][field]['use'], result['all'][field]['soon'],
result['all'][field]['termination'])
# += total
result['all']['total']['use'] += use
result['all']['total']['soon'] += soon
result['all']['total']['termination'] += termination
result['all']['total']['sum'] += sum
result['all']['total']['sum_all'] += sum_all
use = result['defense'][field][
'use'] = Company.get_state_by_conditions(field, Q4)
soon = result['defense'][field][
'soon'] = Company.get_state_by_conditions(field, Q5)
termination = result['defense'][field][
'termination'] = Company.get_state_by_conditions(field, Q6)
sum = result['defense'][field][
'sum'] = Company.get_state_by_conditions(field, Q4, Q5)
sum_all = result['defense'][field][
'sum_all'] = Company.get_state_by_conditions(
field, Q4, Q5, Q6)
result['defense'][field][
'content'] = "사용중 : %s , 개통예정 : %s, 해지 : %s <br> %s+%s (%s+%s+%s)" % (
result['defense'][field]['use'],
result['defense'][field]['soon'],
result['defense'][field]['termination'],
result['defense'][field]['use'],
result['defense'][field]['soon'],
result['defense'][field]['use'],
result['defense'][field]['soon'],
result['defense'][field]['termination'])
# += total
result['defense']['total']['use'] += use
result['defense']['total']['soon'] += soon
result['defense']['total']['termination'] += termination
result['defense']['total']['sum'] += sum
result['defense']['total']['sum_all'] += sum_all
result['all']['total'][
'content'] = "사용중 : %s , 개통예정 : %s, 해지 : %s <br> %s+%s (%s+%s+%s)" % (
result['all']['total']['use'], result['all']['total']['soon'],
result['all']['total']['termination'],
result['all']['total']['use'], result['all']['total']['soon'],
result['all']['total']['use'], result['all']['total']['soon'],
result['all']['total']['termination'])
result['defense']['total'][
'content'] = "사용중 : %s , 개통예정 : %s, 해지 : %s <br> %s+%s (%s+%s+%s)" % (
result['defense']['total']['use'],
result['defense']['total']['soon'],
result['defense']['total']['termination'],
result['defense']['total']['use'],
result['defense']['total']['soon'],
result['defense']['total']['use'],
result['defense']['total']['soon'],
result['defense']['total']['termination'])
return result
@staticmethod
def get_state_by_conditions(field, *args):
all_Q = Q()
for q in args:
all_Q = all_Q | eval(q(field))
return Company.objects.filter(all_Q).count()
class Security(models.Model):
contract = models.CharField(max_length=50,
null=True,
blank=True,
choices=get_choices('contract'))
block_permis = models.CharField(max_length=50,
null=True,
blank=True,
choices=get_choices('block_permis'))
send_date = models.DateField(null=True, blank=True)
interlock_date = models.DateField(null=True, blank=True)
serial = models.CharField(max_length=100, null=True, blank=True)
expiry_date = models.DateField(null=True, blank=True)
firmware = models.CharField(max_length=50, null=True, blank=True)
equipment_class = models.CharField(max_length=50,
null=True,
blank=True,
choices=get_choices('equipment_class'))
ownership = models.CharField(max_length=50,
null=True,
blank=True,
choices=get_choices('ownership'))
access_permis = models.CharField(max_length=50,
null=True,
blank=True,
choices=get_choices('access_permis'))
termination_date = models.DateField(null=True, blank=True)
termination_reason = models.CharField(max_length=50, null=True, blank=True)
ips_rule = models.CharField(max_length=30,
null=True,
blank=True,
choices=get_choices('ips_check'))
sys_log = models.CharField(max_length=30,
null=True,
blank=True,
choices=get_choices('ips_check'))
icmp = models.CharField(max_length=30,
null=True,
blank=True,
choices=get_choices('ips_check'))
snmp = models.CharField(max_length=30,
null=True,
blank=True,
choices=get_choices('ips_check'))
snmp_sub = models.CharField(max_length=30,
null=True,
blank=True,
choices=get_choices('snmp_sub'))
etc = models.CharField(max_length=255, null=True, blank=True)
created = models.DateTimeField(auto_now_add=True)
updated = models.DateTimeField(auto_now=True)