def values(self):
"""
Returns a list of values for this field for this instance. It's a list
so we can accomodate many-to-many fields.
"""
# This import is deliberately inside the function because it causes
# some settings to be imported, and we don't want to do that at the
# module level.
if self.field.rel:
if isinstance(self.field.rel, models.ManyToOneRel):
objs = getattr(self.instance.instance, self.field.name)
elif isinstance(self.field.rel, models.ManyToManyRel): # ManyToManyRel
return list(getattr(self.instance.instance, self.field.name).all())
elif self.field.choices:
objs = dict(self.field.choices).get(self.raw_value, EMPTY_VALUE)
elif isinstance(self.field, models.DateField) or isinstance(self.field, models.TimeField):
if self.raw_value:
if isinstance(self.field, models.DateTimeField):
objs = capfirst(formats.date_format(self.raw_value, 'DATETIME_FORMAT'))
elif isinstance(self.field, models.TimeField):
objs = capfirst(formats.time_format(self.raw_value, 'TIME_FORMAT'))
else:
objs = capfirst(formats.date_format(self.raw_value, 'DATE_FORMAT'))
else:
objs = EMPTY_VALUE
elif isinstance(self.field, models.BooleanField) or isinstance(self.field, models.NullBooleanField):
objs = {True: 'Yes', False: 'No', None: 'Unknown'}[self.raw_value]
else:
objs = self.raw_value
return [objs]
def date_error_message(self, lookup_type, field, unique_for):
opts = self._meta
return _("%(field_name)s must be unique for %(date_field)s %(lookup)s.") % {
"field_name": six.text_type(capfirst(opts.get_field(field).verbose_name)),
"date_field": six.text_type(capfirst(opts.get_field(unique_for).verbose_name)),
"lookup": lookup_type,
}
def app_index(self, request, app_label, extra_context=None):
user = request.user
has_module_perms = user.has_module_perms(app_label)
app_dict = {}
for model, model_admin in self._registry.items():
if app_label == model._meta.app_label:
if has_module_perms:
perms = model_admin.get_model_perms(request)
# Check whether user has any perm for this module.
# If so, add the module to the model_list.
if True in perms.values():
info = (app_label, model._meta.module_name)
model_dict = {
'name': capfirst(model._meta.verbose_name_plural),
'perms': perms,
}
if perms.get('change', False):
try:
model_dict['admin_url'] = reverse('admin:%s_%s_changelist' % info, current_app=self.name)
except NoReverseMatch:
pass
if perms.get('add', False):
try:
model_dict['add_url'] = reverse('admin:%s_%s_add' % info, current_app=self.name)
except NoReverseMatch:
pass
if app_dict:
app_dict['models'].append(model_dict),
else:
# First time around, now that we know there's
# something to display, add in the necessary meta
# information.
app_dict = {
'name': app_label.title(),
'app_url': '',
'has_module_perms': has_module_perms,
'models': [model_dict],
}
if not app_dict:
raise Http404('The requested admin page does not exist.')
# Sort the models alphabetically within each app.
app_dict['models'].sort(key=lambda x: x['name'])
context = {
'title': _('%s administration') % capfirst(app_label),
'app_list': [app_dict],
}
context.update(extra_context or {})
return TemplateResponse(request, self.app_index_template or [
'admin/%s/app_index.html' % app_label,
'admin/app_index.html'
], context, current_app=self.name)
def formfield(self, form_class=forms.CharField, **kwargs):
"""
Returns a djangocg.forms.Field instance for this database Field.
"""
defaults = {'required': not self.blank,
'label': capfirst(self.verbose_name),
'help_text': self.help_text}
if self.has_default():
if callable(self.default):
defaults['initial'] = self.default
defaults['show_hidden_initial'] = True
else:
defaults['initial'] = self.get_default()
if self.choices:
# Fields with choices get special treatment.
include_blank = (self.blank or
not (self.has_default() or 'initial' in kwargs))
defaults['choices'] = self.get_choices(include_blank=include_blank)
defaults['coerce'] = self.to_python
if self.null:
defaults['empty_value'] = None
form_class = forms.TypedChoiceField
# Many of the subclass-specific formfield arguments (min_value,
# max_value) don't apply for choice fields, so be sure to only pass
# the values that TypedChoiceField will understand.
for k in list(kwargs):
if k not in ('coerce', 'empty_value', 'choices', 'required',
'widget', 'label', 'initial', 'help_text',
'error_messages', 'show_hidden_initial'):
del kwargs[k]
defaults.update(kwargs)
return form_class(**defaults)
def model_index_html(self, request, model, site):
fields = self.field_dict(model)
if not fields:
return ''
return format_html('<p class="filter"><strong>View calendar by:</strong> {0}</p>',
format_html_join(', ', '<a href="calendars/{0}/">{1}</a>',
((f.name, force_text(capfirst(f.verbose_name))) for f in fields.values())))
def formfield(self, **kwargs):
defaults = {
'form_class': forms.NullBooleanField,
'required': not self.blank,
'label': capfirst(self.verbose_name),
'help_text': self.help_text}
defaults.update(kwargs)
return super(NullBooleanField, self).formfield(**defaults)
def index(self, request, extra_context=None):
"""
Displays the main admin index page, which lists all of the installed
apps that have been registered in this site.
"""
app_dict = {}
user = request.user
for model, model_admin in self._registry.items():
app_label = model._meta.app_label
has_module_perms = user.has_module_perms(app_label)
if has_module_perms:
perms = model_admin.get_model_perms(request)
# Check whether user has any perm for this module.
# If so, add the module to the model_list.
if True in perms.values():
info = (app_label, model._meta.module_name)
model_dict = {
'name': capfirst(model._meta.verbose_name_plural),
'perms': perms,
}
if perms.get('change', False):
try:
model_dict['admin_url'] = reverse('admin:%s_%s_changelist' % info, current_app=self.name)
except NoReverseMatch:
pass
if perms.get('add', False):
try:
model_dict['add_url'] = reverse('admin:%s_%s_add' % info, current_app=self.name)
except NoReverseMatch:
pass
if app_label in app_dict:
app_dict[app_label]['models'].append(model_dict)
else:
app_dict[app_label] = {
'name': app_label.title(),
'app_url': reverse('admin:app_list', kwargs={'app_label': app_label}, current_app=self.name),
'has_module_perms': has_module_perms,
'models': [model_dict],
}
# Sort the apps alphabetically.
app_list = list(six.itervalues(app_dict))
app_list.sort(key=lambda x: x['name'])
# Sort the models alphabetically within each app.
for app in app_list:
app['models'].sort(key=lambda x: x['name'])
context = {
'title': _('Site administration'),
'app_list': app_list,
}
context.update(extra_context or {})
return TemplateResponse(request, [
self.index_template or 'admin/index.html',
], context, current_app=self.name)
def unique_error_message(self, model_class, unique_check):
opts = model_class._meta
model_name = capfirst(opts.verbose_name)
# A unique field
if len(unique_check) == 1:
field_name = unique_check[0]
field = opts.get_field(field_name)
field_label = capfirst(field.verbose_name)
# Insert the error into the error dict, very sneaky
return field.error_messages["unique"] % {
"model_name": six.text_type(model_name),
"field_label": six.text_type(field_label),
}
# unique_together
else:
field_labels = [capfirst(opts.get_field(f).verbose_name) for f in unique_check]
field_labels = get_text_list(field_labels, _("and"))
return _("%(model_name)s with this %(field_label)s already exists.") % {
"model_name": six.text_type(model_name),
"field_label": six.text_type(field_labels),
}
def format_callback(obj):
has_admin = obj.__class__ in admin_site._registry
opts = obj._meta
if has_admin:
admin_url = reverse('%s:%s_%s_change'
% (admin_site.name,
opts.app_label,
opts.object_name.lower()),
None, (quote(obj._get_pk_val()),))
p = '%s.%s' % (opts.app_label,
opts.get_delete_permission())
if not user.has_perm(p):
perms_needed.add(opts.verbose_name)
# Display a link to the admin page.
return format_html('{0}: <a href="{1}">{2}</a>',
capfirst(opts.verbose_name),
admin_url,
obj)
else:
# Don't display link to edit, because it either has no
# admin or is edited inline.
return '%s: %s' % (capfirst(opts.verbose_name),
force_text(obj))
def add_fields(self, form, index):
super(BaseInlineFormSet, self).add_fields(form, index)
if self._pk_field == self.fk:
name = self._pk_field.name
kwargs = {'pk_field': True}
else:
# The foreign key field might not be on the form, so we poke at the
# Model field to get the label, since we need that for error messages.
name = self.fk.name
kwargs = {
'label': getattr(form.fields.get(name), 'label', capfirst(self.fk.verbose_name))
}
if self.fk.rel.field_name != self.fk.rel.to._meta.pk.name:
kwargs['to_field'] = self.fk.rel.field_name
form.fields[name] = InlineForeignKeyField(self.instance, **kwargs)
# Add the generated field to form._meta.fields if it's defined to make
# sure validation isn't skipped on that field.
if form._meta.fields:
if isinstance(form._meta.fields, tuple):
form._meta.fields = list(form._meta.fields)
form._meta.fields.append(self.fk.name)
def date_hierarchy(cl):
"""
Displays the date hierarchy for date drill-down functionality.
"""
if cl.date_hierarchy:
field_name = cl.date_hierarchy
year_field = "%s__year" % field_name
month_field = "%s__month" % field_name
day_field = "%s__day" % field_name
field_generic = "%s__" % field_name
year_lookup = cl.params.get(year_field)
month_lookup = cl.params.get(month_field)
day_lookup = cl.params.get(day_field)
link = lambda d: cl.get_query_string(d, [field_generic])
if not (year_lookup or month_lookup or day_lookup):
# select appropriate start level
date_range = cl.query_set.aggregate(first=models.Min(field_name), last=models.Max(field_name))
if date_range["first"] and date_range["last"]:
if date_range["first"].year == date_range["last"].year:
year_lookup = date_range["first"].year
if date_range["first"].month == date_range["last"].month:
month_lookup = date_range["first"].month
if year_lookup and month_lookup and day_lookup:
day = datetime.date(int(year_lookup), int(month_lookup), int(day_lookup))
return {
"show": True,
"back": {
"link": link({year_field: year_lookup, month_field: month_lookup}),
"title": capfirst(formats.date_format(day, "YEAR_MONTH_FORMAT")),
},
"choices": [{"title": capfirst(formats.date_format(day, "MONTH_DAY_FORMAT"))}],
}
elif year_lookup and month_lookup:
days = cl.query_set.filter(**{year_field: year_lookup, month_field: month_lookup}).dates(field_name, "day")
return {
"show": True,
"back": {"link": link({year_field: year_lookup}), "title": str(year_lookup)},
"choices": [
{
"link": link({year_field: year_lookup, month_field: month_lookup, day_field: day.day}),
"title": capfirst(formats.date_format(day, "MONTH_DAY_FORMAT")),
}
for day in days
],
}
elif year_lookup:
months = cl.query_set.filter(**{year_field: year_lookup}).dates(field_name, "month")
return {
"show": True,
"back": {"link": link({}), "title": _("All dates")},
"choices": [
{
"link": link({year_field: year_lookup, month_field: month.month}),
"title": capfirst(formats.date_format(month, "YEAR_MONTH_FORMAT")),
}
for month in months
],
}
else:
years = cl.query_set.dates(field_name, "year")
return {
"show": True,
"choices": [{"link": link({year_field: str(year.year)}), "title": str(year.year)} for year in years],
}
