def get_bound_field(self, form, field_name):
bound_field = BoundField(form, self, field_name)
# Override initial() to allow passing multiple values
bound_field.initial = self._get_initial_value(form.initial, field_name)
# Modify the QuerySet of the field before we return it. Limit choices to any data already bound: Options
# will be populated on-demand via the APISelect widget.
data = bound_field.value()
if data:
filter = self.filter(field_name=self.to_field_name or 'pk',
queryset=self.queryset)
self.queryset = filter.filter(self.queryset, data)
else:
self.queryset = self.queryset.none()
# Set the data URL on the APISelect widget (if not already set)
widget = bound_field.field.widget
if not widget.attrs.get('data-url'):
app_label = self.queryset.model._meta.app_label
model_name = self.queryset.model._meta.model_name
data_url = reverse('{}-api:{}-list'.format(app_label, model_name))
widget.attrs['data-url'] = data_url
return bound_field
def get_bound_field(self, form, field_name):
bound_field = BoundField(form, self, field_name)
# Modify the QuerySet of the field before we return it. Limit choices to any data already bound: Options
# will be populated on-demand via the APISelect widget.
data = bound_field.value()
if data:
field_name = getattr(self, 'to_field_name') or 'pk'
filter = self.filter(field_name=field_name)
try:
self.queryset = filter.filter(self.queryset, data)
except TypeError:
# Catch any error caused by invalid initial data passed from the user
self.queryset = self.queryset.none()
else:
self.queryset = self.queryset.none()
# Set the data URL on the APISelect widget (if not already set)
widget = bound_field.field.widget
if not widget.attrs.get('data-url'):
app_label = self.queryset.model._meta.app_label
model_name = self.queryset.model._meta.model_name
data_url = reverse('{}-api:{}-list'.format(app_label, model_name))
widget.attrs['data-url'] = data_url
return bound_field
def test_get_field_options_value(self):
unbound_field = ChoiceField()
field = BoundField(Form(initial={"field": "Value"}), unbound_field,
"field")
context = Context({"field": field})
self.TEMPLATE.render(context)
def _convert_to_bound_fields(form, i18n_field_names):
bound_fields = []
for field_name in i18n_field_names:
local_fields = field_mapping[field_name]
for local_name in local_fields:
local_field = form_instance.fields[local_name]
bound_field = BoundField(form, local_field, local_name)
bound_fields.append(bound_field)
return bound_fields
def get_bound_field(self, form, field_name):
bound_field = BoundField(form, self, field_name)
# Modify the QuerySet of the field before we return it. Limit choices to any data already bound: Options
# will be populated on-demand via the APISelect widget.
data = self.prepare_value(bound_field.data or bound_field.initial)
if data:
filter = self.filter(field_name=self.to_field_name or 'pk', queryset=self.queryset)
self.queryset = filter.filter(self.queryset, data)
else:
self.queryset = self.queryset.none()
return bound_field
def get_bound_field(self, form, field_name):
bound_field = BoundField(form, self, field_name)
# Modify the QuerySet of the field before we return it. Limit choices to any data already bound: Options
# will be populated on-demand via the APISelect widget.
field_name = '{}{}'.format(self.to_field_name or 'pk', self.field_modifier)
if bound_field.data:
self.queryset = self.queryset.filter(**{field_name: self.prepare_value(bound_field.data)})
elif bound_field.initial:
self.queryset = self.queryset.filter(**{field_name: self.prepare_value(bound_field.initial)})
else:
self.queryset = self.queryset.none()
return bound_field
def get_bound_field(self, form, field_name):
bound_field = BoundField(form, self, field_name)
# Modify the QuerySet of the field before we return it. Limit choices to any
# data already bound: Options will be populated on-demand via the APISelect
# widget
data = self.prepare_value(bound_field.data or bound_field.initial)
if data:
filter = self.filter(field_name=self.to_field_name or "pk",
queryset=self.queryset)
self.queryset = filter.filter(self.queryset, data)
else:
self.queryset = self.queryset.none()
# Set the data URL on the APISelect widget (if not already set)
widget = bound_field.field.widget
if not widget.attrs.get("data-url"):
data_url = reverse(
f"{self.queryset.model._meta.app_label}-api:{self.queryset.model._meta.model_name}-list"
)
widget.attrs["data-url"] = data_url
return bound_field
def get_bound_field(self, form, field_name):
bound_field = BoundField(form, self, field_name)
# Set the initial value based on prescribed child fields (if not set)
if not self.initial and self.initial_params:
filter_kwargs = {}
for kwarg, child_field in self.initial_params.items():
value = form.initial.get(child_field.lstrip("$"))
if value:
filter_kwargs[kwarg] = value
if filter_kwargs:
self.initial = self.queryset.filter(**filter_kwargs).first()
# Modify the QuerySet of the field before we return it. Limit choices to any
# data already bound: Options will be populated on-demand via the APISelect
# widget
data = bound_field.value()
if data:
field_name = getattr(self, "to_field_name") or "pk"
filter = self.filter(field_name=field_name)
try:
self.queryset = filter.filter(self.queryset, data)
except (TypeError, ValueError):
# Catch errors caused by invalid initial data
self.queryset = self.queryset.none()
else:
self.queryset = self.queryset.none()
# Set the data URL on the APISelect widget (if not already set)
widget = bound_field.field.widget
if not widget.attrs.get("data-url"):
data_url = reverse(
f"{self.queryset.model._meta.app_label}-api:{self.queryset.model._meta.model_name}-list"
)
widget.attrs["data-url"] = data_url
return bound_field
def get_bound_field(self, form, field_name):
bound_field = BoundField(form, self, field_name)
# Set initial value based on prescribed child fields (if not already set)
if not self.initial and self.initial_params:
filter_kwargs = {}
for kwarg, child_field in self.initial_params.items():
value = form.initial.get(child_field.lstrip('$'))
if value:
filter_kwargs[kwarg] = value
if filter_kwargs:
self.initial = self.queryset.filter(**filter_kwargs).first()
# Modify the QuerySet of the field before we return it. Limit choices to any data already bound: Options
# will be populated on-demand via the APISelect widget.
data = bound_field.value()
if data:
field_name = getattr(self, 'to_field_name') or 'pk'
filter = self.filter(field_name=field_name)
try:
self.queryset = filter.filter(self.queryset, data)
except TypeError:
# Catch any error caused by invalid initial data passed from the user
self.queryset = self.queryset.none()
else:
self.queryset = self.queryset.none()
# Set the data URL on the APISelect widget (if not already set)
widget = bound_field.field.widget
if not widget.attrs.get('data-url'):
app_label = self.queryset.model._meta.app_label
model_name = self.queryset.model._meta.model_name
data_url = reverse('{}-api:{}-list'.format(app_label, model_name))
widget.attrs['data-url'] = data_url
return bound_field
def _html_output(self, normal_row, error_row, row_ender, help_text_html,
errors_on_separate_row):
"Helper function for outputting HTML. Used by as_table(), as_ul(), as_p()."
top_errors = self.non_field_errors(
) # Errors that should be displayed above all fields.
output, hidden_fields = [], []
for fieldset, fields in self.fieldsets:
if fieldset:
output.append(
normal_row % {
'errors': '',
'label': ' ',
'field': self.fieldset_template % fieldset,
'help_text': ''
})
for name, field in [
i for i in self.fields.items() if i[0] in fields
]:
bf = BoundField(self, field, name)
bf_errors = self.error_class([
escape(error) for error in bf.errors
]) # Escape and cache in local variable.
if bf.is_hidden:
if bf_errors:
top_errors.extend([
u'(Hidden field %s) %s' % (name, force_unicode(e))
for e in bf_errors
])
hidden_fields.append(unicode(bf))
else:
if errors_on_separate_row and bf_errors:
output.append(error_row % force_unicode(bf_errors))
if bf.label:
label = escape(force_unicode(bf.label))
# Only add the suffix if the label does not end in
# punctuation.
if self.label_suffix:
if label[-1] not in ':?.!':
label += self.label_suffix
label = bf.label_tag(label) or ''
else:
label = ''
if field.help_text:
help_text = help_text_html % force_unicode(
field.help_text)
else:
help_text = u''
output.append(
normal_row % {
'errors': force_unicode(bf_errors),
'label': force_unicode(label),
'field': unicode(bf),
'help_text': help_text
})
if top_errors:
output.insert(0, error_row % force_unicode(top_errors))
if hidden_fields: # Insert any hidden fields in the last row.
str_hidden = u''.join(hidden_fields)
if output:
last_row = output[-1]
# Chop off the trailing row_ender (e.g. '</td></tr>') and
# insert the hidden fields.
output[
-1] = last_row[:-len(row_ender)] + str_hidden + row_ender
else:
# If there aren't any rows in the output, just append the
# hidden fields.
output.append(str_hidden)
return mark_safe(u'\n'.join(output))
def test_bound_field_labels_not_boolean(self):
unbound_field = Field()
field = BoundField(Form(), unbound_field, "field")
context = Context({"field": field})
self.TEMPLATE_LABELS_NOT_BOOLEAN.render(context)
def test_bound_field_no_labels(self):
unbound_field = Field()
field = BoundField(Form(), unbound_field, "field")
context = Context({"field": field})
self.TEMPLATE_NO_LABELS.render(context)
def test_bound_field(self):
unbound_field = Field()
field = BoundField(Form(), unbound_field, "field")
context = Context({"field": field})
self.TEMPLATE.render(context)
def test_get_field_options(self):
unbound_field = ChoiceField()
field = BoundField(Form(), unbound_field, "field")
context = Context({"field": field})
self.TEMPLATE.render(context)
