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Made BoundField.initial use cached_property.

Follow up to fab46ce6f5.
This commit is contained in:
Jon Dufresne 2016-08-12 12:43:24 -07:00 committed by GitHub
parent fab46ce6f5
commit 6b842c5998

View File

@ -16,9 +16,6 @@ from django.utils.translation import ugettext_lazy as _
__all__ = ('BoundField',)
UNSET = object()
@html_safe
@python_2_unicode_compatible
class BoundField(object):
@ -35,7 +32,6 @@ class BoundField(object):
else:
self.label = self.field.label
self.help_text = field.help_text or ''
self._initial_value = UNSET
def __str__(self):
"""Renders this field as an HTML widget."""
@ -220,20 +216,16 @@ class BoundField(object):
id_ = widget.attrs.get('id') or self.auto_id
return widget.id_for_label(id_)
@property
@cached_property
def initial(self):
data = self.form.initial.get(self.name, self.field.initial)
if callable(data):
if self._initial_value is not UNSET:
data = self._initial_value
else:
data = data()
# If this is an auto-generated default date, nix the
# microseconds for standardized handling. See #22502.
if (isinstance(data, (datetime.datetime, datetime.time)) and
not self.field.widget.supports_microseconds):
data = data.replace(microsecond=0)
self._initial_value = data
data = data()
# If this is an auto-generated default date, nix the microseconds
# for standardized handling. See #22502.
if (isinstance(data, (datetime.datetime, datetime.time)) and
not self.field.widget.supports_microseconds):
data = data.replace(microsecond=0)
return data
def build_widget_attrs(self, attrs, widget=None):