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445 lines
20 KiB
Python
445 lines
20 KiB
Python
import copy
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import logging
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from decimal import Decimal
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import dateutil.parser
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import pytz
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import vat_moss.errors
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import vat_moss.id
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from django import forms
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from django.contrib import messages
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from django.core.exceptions import ValidationError
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from django.utils.html import escape
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from django.utils.safestring import mark_safe
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from django.utils.translation import ugettext_lazy as _
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from django_countries.fields import CountryField
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from pretix.base.forms.widgets import (
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BusinessBooleanRadio, DatePickerWidget, SplitDateTimePickerWidget,
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TimePickerWidget, UploadedFileWidget,
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)
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from pretix.base.models import InvoiceAddress, Question, QuestionOption
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from pretix.base.models.tax import EU_COUNTRIES
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from pretix.base.settings import PERSON_NAME_SCHEMES
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from pretix.base.templatetags.rich_text import rich_text
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from pretix.control.forms import SplitDateTimeField
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from pretix.helpers.i18n import get_format_without_seconds
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from pretix.presale.signals import question_form_fields
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logger = logging.getLogger(__name__)
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class NamePartsWidget(forms.MultiWidget):
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widget = forms.TextInput
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def __init__(self, scheme: dict, field: forms.Field, attrs=None):
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widgets = []
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self.scheme = scheme
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self.field = field
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for fname, label, size in self.scheme['fields']:
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a = copy.copy(attrs) or {}
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a['data-fname'] = fname
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widgets.append(self.widget(attrs=a))
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super().__init__(widgets, attrs)
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def decompress(self, value):
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if value is None:
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return None
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data = []
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for i, field in enumerate(self.scheme['fields']):
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fname, label, size = field
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data.append(value.get(fname, ""))
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if '_legacy' in value and not data[-1]:
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data[-1] = value.get('_legacy', '')
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return data
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def render(self, name: str, value, attrs=None, renderer=None) -> str:
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if not isinstance(value, list):
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value = self.decompress(value)
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output = []
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final_attrs = self.build_attrs(attrs or dict())
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if 'required' in final_attrs:
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del final_attrs['required']
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id_ = final_attrs.get('id', None)
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for i, widget in enumerate(self.widgets):
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try:
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widget_value = value[i]
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except (IndexError, TypeError):
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widget_value = None
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if id_:
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final_attrs = dict(
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final_attrs,
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id='%s_%s' % (id_, i),
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title=self.scheme['fields'][i][1],
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placeholder=self.scheme['fields'][i][1],
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)
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final_attrs['data-size'] = self.scheme['fields'][i][2]
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output.append(widget.render(name + '_%s' % i, widget_value, final_attrs, renderer=renderer))
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return mark_safe(self.format_output(output))
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def format_output(self, rendered_widgets) -> str:
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return '<div class="nameparts-form-group">%s</div>' % ''.join(rendered_widgets)
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class NamePartsFormField(forms.MultiValueField):
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widget = NamePartsWidget
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def compress(self, data_list) -> dict:
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data = {}
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data['_scheme'] = self.scheme_name
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for i, value in enumerate(data_list):
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data[self.scheme['fields'][i][0]] = value or ''
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return data
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def __init__(self, *args, **kwargs):
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fields = []
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defaults = {
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'widget': self.widget,
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'max_length': kwargs.pop('max_length', None),
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}
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self.scheme_name = kwargs.pop('scheme')
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self.scheme = PERSON_NAME_SCHEMES.get(self.scheme_name)
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self.one_required = kwargs.get('required', True)
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require_all_fields = kwargs.pop('require_all_fields', False)
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kwargs['required'] = False
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kwargs['widget'] = (kwargs.get('widget') or self.widget)(
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scheme=self.scheme, field=self, **kwargs.pop('widget_kwargs', {})
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)
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defaults.update(**kwargs)
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for fname, label, size in self.scheme['fields']:
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defaults['label'] = label
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field = forms.CharField(**defaults)
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field.part_name = fname
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fields.append(field)
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super().__init__(
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fields=fields, require_all_fields=False, *args, **kwargs
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)
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self.require_all_fields = require_all_fields
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self.required = self.one_required
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def clean(self, value) -> dict:
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value = super().clean(value)
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if self.one_required and (not value or not any(v for v in value)):
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raise forms.ValidationError(self.error_messages['required'], code='required')
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if self.require_all_fields and not all(v for v in value):
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raise forms.ValidationError(self.error_messages['incomplete'], code='required')
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return value
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class BaseQuestionsForm(forms.Form):
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"""
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This form class is responsible for asking order-related questions. This includes
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the attendee name for admission tickets, if the corresponding setting is enabled,
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as well as additional questions defined by the organizer.
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"""
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def __init__(self, *args, **kwargs):
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"""
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Takes two additional keyword arguments:
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:param cartpos: The cart position the form should be for
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:param event: The event this belongs to
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"""
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cartpos = self.cartpos = kwargs.pop('cartpos', None)
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orderpos = self.orderpos = kwargs.pop('orderpos', None)
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pos = cartpos or orderpos
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item = pos.item
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questions = pos.item.questions_to_ask
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event = kwargs.pop('event')
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self.all_optional = kwargs.pop('all_optional', False)
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super().__init__(*args, **kwargs)
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if item.admission and event.settings.attendee_names_asked:
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self.fields['attendee_name_parts'] = NamePartsFormField(
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max_length=255,
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required=event.settings.attendee_names_required,
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scheme=event.settings.name_scheme,
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label=_('Attendee name'),
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initial=(cartpos.attendee_name_parts if cartpos else orderpos.attendee_name_parts),
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)
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if item.admission and event.settings.attendee_emails_asked:
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self.fields['attendee_email'] = forms.EmailField(
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required=event.settings.attendee_emails_required,
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label=_('Attendee email'),
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initial=(cartpos.attendee_email if cartpos else orderpos.attendee_email)
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)
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for q in questions:
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# Do we already have an answer? Provide it as the initial value
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answers = [a for a in pos.answerlist if a.question_id == q.id]
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if answers:
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initial = answers[0]
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else:
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initial = None
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tz = pytz.timezone(event.settings.timezone)
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help_text = rich_text(q.help_text)
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label = escape(q.question) # django-bootstrap3 calls mark_safe
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required = q.required and not self.all_optional
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if q.type == Question.TYPE_BOOLEAN:
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if q.required:
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# For some reason, django-bootstrap3 does not set the required attribute
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# itself.
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widget = forms.CheckboxInput(attrs={'required': 'required'})
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else:
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widget = forms.CheckboxInput()
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if initial:
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initialbool = (initial.answer == "True")
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else:
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initialbool = False
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field = forms.BooleanField(
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label=label, required=required,
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help_text=help_text,
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initial=initialbool, widget=widget,
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)
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elif q.type == Question.TYPE_NUMBER:
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field = forms.DecimalField(
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label=label, required=required,
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help_text=q.help_text,
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initial=initial.answer if initial else None,
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min_value=Decimal('0.00'),
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)
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elif q.type == Question.TYPE_STRING:
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field = forms.CharField(
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label=label, required=required,
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help_text=help_text,
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initial=initial.answer if initial else None,
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)
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elif q.type == Question.TYPE_TEXT:
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field = forms.CharField(
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label=label, required=required,
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help_text=help_text,
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widget=forms.Textarea,
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initial=initial.answer if initial else None,
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)
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elif q.type == Question.TYPE_COUNTRYCODE:
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field = CountryField().formfield(
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label=label, required=required,
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help_text=help_text,
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widget=forms.Select,
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empty_label='',
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initial=initial.answer if initial else None,
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)
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elif q.type == Question.TYPE_CHOICE:
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field = forms.ModelChoiceField(
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queryset=q.options,
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label=label, required=required,
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help_text=help_text,
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widget=forms.Select,
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to_field_name='identifier',
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empty_label='',
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initial=initial.options.first() if initial else None,
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)
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elif q.type == Question.TYPE_CHOICE_MULTIPLE:
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field = forms.ModelMultipleChoiceField(
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queryset=q.options,
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label=label, required=required,
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help_text=help_text,
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to_field_name='identifier',
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widget=forms.CheckboxSelectMultiple,
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initial=initial.options.all() if initial else None,
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)
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elif q.type == Question.TYPE_FILE:
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field = forms.FileField(
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label=label, required=required,
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help_text=help_text,
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initial=initial.file if initial else None,
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widget=UploadedFileWidget(position=pos, event=event, answer=initial),
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)
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elif q.type == Question.TYPE_DATE:
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field = forms.DateField(
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label=label, required=required,
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help_text=help_text,
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initial=dateutil.parser.parse(initial.answer).date() if initial and initial.answer else None,
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widget=DatePickerWidget(),
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)
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elif q.type == Question.TYPE_TIME:
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field = forms.TimeField(
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label=label, required=required,
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help_text=help_text,
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initial=dateutil.parser.parse(initial.answer).time() if initial and initial.answer else None,
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widget=TimePickerWidget(time_format=get_format_without_seconds('TIME_INPUT_FORMATS')),
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)
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elif q.type == Question.TYPE_DATETIME:
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field = SplitDateTimeField(
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label=label, required=required,
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help_text=help_text,
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initial=dateutil.parser.parse(initial.answer).astimezone(tz) if initial and initial.answer else None,
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widget=SplitDateTimePickerWidget(time_format=get_format_without_seconds('TIME_INPUT_FORMATS')),
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)
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field.question = q
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if answers:
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# Cache the answer object for later use
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field.answer = answers[0]
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if q.dependency_question_id:
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field.widget.attrs['data-question-dependency'] = q.dependency_question_id
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field.widget.attrs['data-question-dependency-value'] = q.dependency_value
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if q.type != 'M':
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field.widget.attrs['required'] = q.required and not self.all_optional
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field._required = q.required and not self.all_optional
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field.required = False
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self.fields['question_%s' % q.id] = field
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responses = question_form_fields.send(sender=event, position=pos)
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data = pos.meta_info_data
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for r, response in sorted(responses, key=lambda r: str(r[0])):
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for key, value in response.items():
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# We need to be this explicit, since OrderedDict.update does not retain ordering
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self.fields[key] = value
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value.initial = data.get('question_form_data', {}).get(key)
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def clean(self):
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d = super().clean()
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question_cache = {f.question.pk: f.question for f in self.fields.values() if getattr(f, 'question', None)}
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def question_is_visible(parentid, qval):
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parentq = question_cache[parentid]
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if parentq.dependency_question_id and not question_is_visible(parentq.dependency_question_id, parentq.dependency_value):
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return False
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if 'question_%d' % parentid not in d:
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return False
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dval = d.get('question_%d' % parentid)
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if qval == 'True':
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return dval
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elif qval == 'False':
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return not dval
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elif isinstance(dval, QuestionOption):
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return dval.identifier == qval
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else:
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return qval in [o.identifier for o in dval]
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def question_is_required(q):
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return (
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q.required and
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(not q.dependency_question_id or question_is_visible(q.dependency_question_id, q.dependency_value))
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)
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if not self.all_optional:
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for q in question_cache.values():
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if question_is_required(q) and not d.get('question_%d' % q.pk):
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raise ValidationError({'question_%d' % q.pk: [_('This field is required')]})
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return d
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class BaseInvoiceAddressForm(forms.ModelForm):
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vat_warning = False
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class Meta:
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model = InvoiceAddress
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fields = ('is_business', 'company', 'name_parts', 'street', 'zipcode', 'city', 'country', 'vat_id',
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'internal_reference', 'beneficiary')
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widgets = {
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'is_business': BusinessBooleanRadio,
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'street': forms.Textarea(attrs={'rows': 2, 'placeholder': _('Street and Number')}),
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'beneficiary': forms.Textarea(attrs={'rows': 3}),
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'company': forms.TextInput(attrs={'data-display-dependency': '#id_is_business_1'}),
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'vat_id': forms.TextInput(attrs={'data-display-dependency': '#id_is_business_1'}),
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'internal_reference': forms.TextInput,
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}
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labels = {
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'is_business': ''
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}
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def __init__(self, *args, **kwargs):
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self.event = event = kwargs.pop('event')
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self.request = kwargs.pop('request', None)
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self.validate_vat_id = kwargs.pop('validate_vat_id')
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self.all_optional = kwargs.pop('all_optional', False)
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super().__init__(*args, **kwargs)
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if not event.settings.invoice_address_vatid:
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del self.fields['vat_id']
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if not event.settings.invoice_address_required or self.all_optional:
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for k, f in self.fields.items():
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f.required = False
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f.widget.is_required = False
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if 'required' in f.widget.attrs:
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del f.widget.attrs['required']
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elif event.settings.invoice_address_company_required and not self.all_optional:
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self.initial['is_business'] = True
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self.fields['is_business'].widget = BusinessBooleanRadio(require_business=True)
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self.fields['company'].required = True
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self.fields['company'].widget.is_required = True
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self.fields['company'].widget.attrs['required'] = 'required'
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del self.fields['company'].widget.attrs['data-display-dependency']
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if 'vat_id' in self.fields:
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del self.fields['vat_id'].widget.attrs['data-display-dependency']
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self.fields['name_parts'] = NamePartsFormField(
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max_length=255,
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required=event.settings.invoice_name_required and not self.all_optional,
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scheme=event.settings.name_scheme,
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label=_('Name'),
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initial=(self.instance.name_parts if self.instance else self.instance.name_parts),
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)
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if event.settings.invoice_address_required and not event.settings.invoice_address_company_required and not self.all_optional:
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self.fields['name_parts'].widget.attrs['data-required-if'] = '#id_is_business_0'
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self.fields['name_parts'].widget.attrs['data-no-required-attr'] = '1'
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self.fields['company'].widget.attrs['data-required-if'] = '#id_is_business_1'
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if not event.settings.invoice_address_beneficiary:
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del self.fields['beneficiary']
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def clean(self):
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data = self.cleaned_data
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if not data.get('is_business'):
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data['company'] = ''
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if self.event.settings.invoice_address_required:
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if data.get('is_business') and not data.get('company'):
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raise ValidationError(_('You need to provide a company name.'))
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if not data.get('is_business') and not data.get('name_parts'):
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raise ValidationError(_('You need to provide your name.'))
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if 'vat_id' in self.changed_data or not data.get('vat_id'):
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self.instance.vat_id_validated = False
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self.instance.name_parts = data.get('name_parts')
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if self.validate_vat_id and self.instance.vat_id_validated and 'vat_id' not in self.changed_data:
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pass
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elif self.validate_vat_id and data.get('is_business') and data.get('country') in EU_COUNTRIES and data.get('vat_id'):
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if data.get('vat_id')[:2] != str(data.get('country')):
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raise ValidationError(_('Your VAT ID does not match the selected country.'))
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try:
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result = vat_moss.id.validate(data.get('vat_id'))
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if result:
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country_code, normalized_id, company_name = result
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self.instance.vat_id_validated = True
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self.instance.vat_id = normalized_id
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except (vat_moss.errors.InvalidError, ValueError):
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raise ValidationError(_('This VAT ID is not valid. Please re-check your input.'))
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except vat_moss.errors.WebServiceUnavailableError:
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logger.exception('VAT ID checking failed for country {}'.format(data.get('country')))
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self.instance.vat_id_validated = False
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if self.request and self.vat_warning:
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messages.warning(self.request, _('Your VAT ID could not be checked, as the VAT checking service of '
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'your country is currently not available. We will therefore '
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'need to charge VAT on your invoice. You can get the tax amount '
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'back via the VAT reimbursement process.'))
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except vat_moss.errors.WebServiceError:
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logger.exception('VAT ID checking failed for country {}'.format(data.get('country')))
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self.instance.vat_id_validated = False
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if self.request and self.vat_warning:
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messages.warning(self.request, _('Your VAT ID could not be checked, as the VAT checking service of '
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'your country returned an incorrect result. We will therefore '
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'need to charge VAT on your invoice. Please contact support to '
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'resolve this manually.'))
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else:
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self.instance.vat_id_validated = False
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class BaseInvoiceNameForm(BaseInvoiceAddressForm):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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for f in list(self.fields.keys()):
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if f != 'name':
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del self.fields[f]
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