def _clean(self, value, bfield):
app = bfield.request.app
# Get a reference to the object data mapper
odm = app.odm()
model = self.model(app)
db_model = model.db_model()
# TODO: this works but it is not general
# pkname = db_model.__mapper__.primary_key[0].key
if not self.multiple:
value = (value, )
idcolumn = getattr(db_model, model.id_field)
try:
with odm.begin() as session:
all = session.query(db_model).filter(idcolumn.in_(value))
if self.multiple:
return list(all)
else:
if all.count() == 1:
instance = all.one()
if self.get_field:
return getattr(instance, self.get_field)
else:
return instance
else:
raise forms.ValidationError(
self.validation_error.format(model))
except forms.ValidationError:
raise
except Exception as exc:
app.logger.exception(str(exc))
raise forms.ValidationError(self.validation_error.format(model))
def clean_layout(self, value):
if not isinstance(value, dict):
raise forms.ValidationError('Layout must be a dictionary')
layout = {}
if 'components' in value:
components = value['components']
if not isinstance(components, list):
raise forms.ValidationError('componets must be a list')
layout['components'] = components
if 'rows' in value:
rows = value['rows']
if not isinstance(rows, list):
raise forms.ValidationError('rows must be a list')
layout['rows'] = rows
return layout
def clean(self):
'''Process login'''
request = self.request
permissions = request.app.permissions
username = self.cleaned_data['username']
user = yield permissions.get_user(request, username=username)
if not user:
raise forms.ValidationError(self.error_message)
password = self.cleaned_data['password']
try:
user = yield permissions.authenticate_and_login(request,
user,
password=password)
except AuthenticationError:
raise forms.ValidationError(self.error_message)
except LoginError as e:
raise forms.ValidationError(str(e))
coroutine_return(user)
def _clean(self, value, bfield):
try:
request = bfield.request
model = request.app.models.get(self.model)
kwargs = model.model_url_params(request, value)
if self.multiple:
return model.get_list(request, **kwargs)
else:
try:
return model.get_instance(request, **kwargs)
except Http404:
raise forms.ValidationError(
self.validation_error.format(model))
except forms.ValidationError:
raise
except Exception:
request.logger.exception('Critical exception while validating')
raise forms.ValidationError(self.validation_error.format(model))
def __call__(self, value, bfield):
model_name = self.model or bfield.form.model
field = self.field or bfield.name
if not model_name:
raise forms.ValidationError('No model')
if not value and self.nullable:
return value
request = bfield.request
app = request.app
model = app.models.get(model_name)
if not model:
raise forms.ValidationError('No model %s' % model_name)
kwargs = {field: value}
kwargs.update(model.model_url_params(request))
return self.test(value, bfield, model, **kwargs)
def clean_old_password(self, value):
request = self.request
user = request.cache.user
auth_backend = request.cache.auth_backend
try:
if user.is_authenticated():
auth_backend.authenticate(request, user=user, password=value)
else:
raise AuthenticationError('not authenticated')
except AuthenticationError as exc:
raise forms.ValidationError(str(exc))
return value
def test(self, value, bfield, model, **kwargs):
request = bfield.request
previous_state = bfield.form.previous_state
try:
instance = model.get_instance(request, **kwargs)
except Http404:
pass
else:
if instance != previous_state:
raise forms.ValidationError(
self.validation_error.format(value))
return value
def clean(self):
user = self.request.cache.user
model = self.request.app.models['mailinglist']
topic = self.cleaned_data['topic']
with model.session(self.request) as session:
query = model.get_query(session)
if user.is_anonymous():
if not user.is_authenticated():
raise Http401('Token')
query.filter(email=self.cleaned_data['email'], topic=topic)
else:
self.cleaned_data['user'] = user
query.filter(user=user, topic=topic)
try:
query.one()
except Http404:
pass
else:
raise forms.ValidationError('Already subscribed')
def clean_body(self):
request = self.request
key = request.app.config.get('AKISMET_API_KEY')
body = self.cleaned_data.get('body')
if body and key:
akismet_api = Akismet(key=key,
blog_url='http://%s/' % request.get_host())
if akismet_api.verify_key():
akismet_data = {
'comment_type': 'comment',
'referer': request.get('HTTP_REFERER', ''),
'user_ip': request.get('REMOTE_ADDR', ''),
'user_agent': request.get('HTTP_USER_AGENT', '')
}
if akismet_api.comment_check(body,
data=akismet_data,
build_data=True):
raise forms.ValidationError(
"Akismet thinks this message is spam")
return body
def __call__(self, value, bfield):
model = self.model or bfield.form.model
field = self.field or bfield.name
previous_state = bfield.form.previous_state
assert model, 'model not available'
assert field, 'field not available'
app = bfield.request.app
# Get a reference to the object data mapper
odm = app.odm()
model = odm[model]
pkey = inspect(model).primary_key
with odm.begin() as session:
q = session.query(model).filter_by(**{field: value})
if previous_state:
for pkey_col in pkey:
q = q.filter(
pkey_col != getattr(previous_state, pkey_col.name))
if q.count():
raise forms.ValidationError(
self.validation_error.format(value))
return value
def clean(self):
password = self.cleaned_data['password']
password_repeat = self.cleaned_data['password_repeat']
if password != password_repeat:
raise forms.ValidationError('Passwords did not match')
def clean_username(self, value):
request = self.request
if request.config['CHECK_USERNAME'](request, value):
return value
else:
raise forms.ValidationError('Username not available')
def clean(self):
raise forms.ValidationError('wrong data')
def clean_email(self, email):
user = self.request.cache.user
if not email or user.email:
raise forms.ValidationError('required')
return email
