我找到了答案。我们需要插入一个构造表单，然后像我一样从内联类中调用此表单，如下所示：
class requiredInlineFormSet(BaseInlineFormSet):
"""
Generates an inline formset that is required
"""
def _construct_form(self, i, **kwargs):
"""
Override the method to change the form attribute empty_permitted
"""
form = super(requiredInlineFormSet, self)._construct_form(i, **kwargs)
form.empty_permitted = False
return form
class FollowUpAddInLine(admin.TabularInline):
model = md.FollowUp
extra = 1
formfield_overrides = {
models.CharField: {'widget': TextInput(attrs={'size':'20'})},
models.TextField: {'widget': Textarea(attrs={'rows':4, 'cols':40})},
}
can_delete = False
formset = requiredInlineFormSet
def has_change_permission(self, request, obj=None):
return False
class FollowUpListInLine(admin.TabularInline):
model = md.FollowUp
readonly_fields = ('status', 'follow_up_date', 'followup_status', 'followup_reason', 'remarks', 'followup_done_by')
extra = 0
can_delete = False
formset = requiredInlineFormSet
def has_add_permission(self, request):
return False
class FollowUpAdminInLine(admin.TabularInline):
model = md.FollowUp
extra = 1
formfield_overrides = {
models.CharField: {'widget': TextInput(attrs={'size':'20'})},
models.TextField: {'widget': Textarea(attrs={'rows':4, 'cols':40})},
}
formset = requiredInlineFormSet
def queryset(self, request):
return md.FollowUp.objects.filter(owner=request.user)
class PackageAdmin(admin.ModelAdmin):
"""Makes the FollowUp to be added along with the Package"""
inlines =(FollowUpListInLine, FollowUpAddInLine)
fields = ('date_of_inquiry', 'agent_name', 'type_of_booking',
'no_of_pax', 'source_of_inquiry', 'business_vendor',
'travel_date', 'reply_date', 'client_name',
'client_email', 'client_contacts', 'inquiry_assigned_to',
'inquiry_assigned_by')
list_display = ('agent_name', 'date_of_inquiry','status_color')
list_filter = ('date_of_inquiry',)
can_delete = False
list_per_page = 25
def get_readonly_fields(self, request, obj=None):
if request.user.is_superuser == False:
if obj: # editing an existing object
return self.readonly_fields + (
'agent_name',
'date_of_inquiry',
)
else:
self.inlines = (FollowUpAdminInLine,)
return self.readonly_fields
def queryset(self, request):
"""Limit Pages to those that belong to the request's user."""
qs = super(PackageAdmin, self).queryset(request)
if request.user.is_superuser:
return qs
return qs.filter(inquiry_assigned_to=request.user)
admin.site.register(md.Package,PackageAdmin)
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