django-forms

问题 I have a form in which, user specifies lawyer-spec and save the data to the database. However I get an error that **null value in column "lawyer_spec" violates not-null constraint** So the data from the form is not processed properly. EDIT: mthod form_invalid prints empty line, and then two numbers ('pk' and 'lawyer_id') forms.py class MakeAppointmentForm(forms.ModelForm): first_name = forms.CharField(required=True) class Meta: model = CalendarAppointmentsReserved fields = ['case'] def __init

问题 Im a bit frustared trying to update a photo from a form. I have this: <form action="/subir-fotos/{{campana_id}}/{{point_id}}/" method="POST" enctype="multipart/form-data" id="form_tomaFoto{{page}}">{% csrf_token %} <input type="hidden" value="{{i.titulo_foto.id}}" name="titulo"> <p><input type="file" accept="image/*" name="foto" required></p> <p><input type="submit" value="Enviar foto" class="boton"></p> </div> </form> My model: class InteraccionFotos(models.Model): campana = models

问题 I have a Django app with two types of users, lets call them A and B. The two user types have different navigation bars. User type A has a link in their navigation bar to allow them to send a message. The send message form comes up in an overlay, so the form needs to be present in every template, or fetched over AJAX. These users can send a message from any/every page on the site, and each page has its own view. If a message has errors, users should be returned to the same page they were on,

问题 I am using distinct to get the distinct latest values but it is giving me an error: DISTINCT ON fields is not supported by this database backend views.py class ReportView(LoginRequiredMixin, generic.TemplateView): template_name = 'admin/clock/report.html' def get_context_data(self, **kwargs): context = super(ReportView, self).get_context_data(**kwargs) context['reports'] = TimesheetEntry.objects.filter( timesheet_jobs__job_company = self.request.user.userprofile.user_company, ).distinct(

问题 prelude : Here's the simpliest way to display an ImageField. Lets assume I have 10 fields in my form and I don't wanna iterate over all of them in template.html just to check if it's an imageField and display it in a different way. I want to handle it via form or widget or something like this. So I want the leave template.html as it's bellow. template.html <table> {{ form.as_table }} </table> And add to models.py an image_tag method: class UserProfile(Model): photo = ImageField(upload_to

问题 Currently in models.py I have class ModelName(models.Model): rowname = models.CharField(max_length=100, blank = True, unique=True) This does wonders as far as making sure the same value isn't submitted to the database twice but is there a way that I can have unique not raise an error when the value that is a duplicate is an empty string? Does unique take an exception argument? 回答1: Essentially, you need to follow the advice in this answer. While Django considers '' equal to '' for purposes of

问题 forms.py Date_Format = ( ('0', ' dd / mm / yyyy'), ('1', 'mm / dd / yyyy'), ) Time_Format = ( ('0', ' 12 hour AM / PM '), ('1', ' 24 hour '), ) class SettingsForm(forms.ModelForm): date_format = forms.ChoiceField(widget=forms.RadioSelect(), choices=Date_Format) time_format = forms.ChoiceField(widget=forms.RadioSelect(), choices=Time_Format) template.py Update: {% for radio in SettingsForm.date_format %} {{ radio.choice_label }} <div class="select">{{ radio.tag }}</div> {% endfor %} The above

问题 I'm looking for a way to send bulk emails to users from a Django Admin Action. This is what I have thus far: class MyUserAdmin(UserAdmin): list_display = ['username', 'email', 'first_name', 'last_name', 'is_active', staff] list_filter = ['groups', 'is_staff', 'is_superuser', 'is_active'] actions = ['send_EMAIL'] def send_EMAIL(self, request, queryset): from django.core.mail import send_mail for i in queryset: if i.email: send_mail('Subject here', 'Here is the message.', 'from@example.com',[i

问题 I did a recaptcha integration using the following django snippet settings.py RECAPTCHA_PUBLIC_KEY = '<your public key>' RECAPTCHA_PRIVATE_KEY = '<your private key>' #widgets.py from django import forms from django.utils.safestring import mark_safe from django.conf import settings from recaptcha import captcha class ReCaptcha(forms.widgets.Widget): recaptcha_challenge_name = 'recaptcha_challenge_field' recaptcha_response_name = 'recaptcha_response_field' def render(self, name, value, attrs

问题 I'm trying to do a form, with gender choices. The user could choice between male or female. What I have now in forms.py: class GenderForm(forms.Form): demo = DemoData.objects.all() GENDER_CHOICES = [ ('Male', 'Masculino'), ('Female', 'Feminino')] gender = forms.ModelChoiceField(demo, widget=Select(), required=True) choices_distlabel = [('', '')] + GENDER_CHOICES gender.choices = choices_distlabel in the template: <form action="" method="post"> {% for field in form_gender %} {{ field }} {%