def clean(self):
for k in ['name', 'app_sequence', 'num_demo_participants']:
if k not in self:
msg = f'Session config is missing "{k}"'
raise SessionConfigError(msg)
validate_alphanumeric(
self['name'], identifier_description='settings.SESSION_CONFIGS name'
)
app_sequence = self['app_sequence']
if len(app_sequence) != len(set(app_sequence)):
msg = (
'settings.SESSION_CONFIGS: '
'app_sequence of "{}" '
'must not contain duplicate elements. '
'If you want multiple rounds, '
'you should set Constants.num_rounds.'
)
raise SessionConfigError(msg.format(self['name']))
if len(app_sequence) == 0:
raise SessionConfigError(
'settings.SESSION_CONFIGS: app_sequence cannot be empty.'
)
self.setdefault('display_name', self['name'])
self.setdefault('doc', '')
self['participation_fee'] = RealWorldCurrency(self['participation_fee'])
class RealWorldCurrencyField(BaseCurrencyField):
MONEY_CLASS = RealWorldCurrency
auto_submit_default = RealWorldCurrency(0)
def formfield(self, **kwargs):
import otree.forms
defaults = {
'form_class': otree.forms.RealWorldCurrencyField,
'choices_form_class': otree.forms.CurrencyChoiceField,
}
defaults.update(kwargs)
return super().formfield(**defaults)
def form_valid(self, form):
session = self.session
session.label = form.label.data
session.comment = form.comment.data
participation_fee = form.participation_fee.data
rwc_per_point = form.real_world_currency_per_point.data
config = session.config.copy()
if participation_fee is not None:
config['participation_fee'] = RealWorldCurrency(participation_fee)
if rwc_per_point is not None:
config['real_world_currency_per_point'] = rwc_per_point
# need to do this to get SQLAlchemy to detect a change
session.config = config
enqueue_admin_message('success', 'Properties have been updated')
return self.redirect('SessionEditProperties', code=session.code)
def form_valid(self, form):
session = self.session
session.label = form.cleaned_data['label']
session.comment = form.cleaned_data['comment']
participation_fee = form.cleaned_data['participation_fee']
rwc_per_point = form.cleaned_data['real_world_currency_per_point']
if participation_fee is not None:
# need to convert back to RealWorldCurrency, because easymoney
# MoneyFormField returns a decimal, not Money (not sure why)
session.config['participation_fee'] = RealWorldCurrency(participation_fee)
if rwc_per_point is not None:
session.config['real_world_currency_per_point'] = rwc_per_point
self.session.save()
messages.success(self.request, 'Properties have been updated')
return redirect('SessionEditProperties', session.code)
class RealWorldCurrencyField(BaseCurrencyField):
MONEY_CLASS = RealWorldCurrency
auto_submit_default = RealWorldCurrency(0)
class CurrencyType(BaseCurrencyType):
MONEY_CLASS = Currency
class RealWorldCurrencyType(BaseCurrencyType):
MONEY_CLASS = RealWorldCurrency
AUTO_SUBMIT_DEFAULTS = {
st.Boolean: False,
st.Integer: 0,
st.Float: 0,
st.String: '',
st.Text: '',
RealWorldCurrencyType: Currency(0),
CurrencyType: RealWorldCurrency(0),
}
def wrap_column(coltype,
*,
initial=None,
null=True,
**form_props) -> OTreeColumn:
if 'default' in form_props:
raise Exception(
"Don't use default= in model fields. Use initial= instead.")
col = OTreeColumn(coltype, default=initial, nullable=null)
col.form_props = form_props
col.auto_submit_default = AUTO_SUBMIT_DEFAULTS[