Auto-generating username when adding a user with django

user_2455424 0
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I am trying to save username as firstname while adding a user from django admin. Currently it saves None in the username field as I have excluded username in the custom model.

admin.py--

from django.contrib import admin
from django.contrib.auth.admin import UserAdmin
from django.contrib.auth.models import User
from .models import UserProfile
from .forms import SignUpForm

class ProfileInline(admin.StackedInline):
    model = UserProfile
    can_delete = False
    verbose_name_plural = 'Profile'
    fk_name = 'user'


class CustomUserAdmin(UserAdmin):
    inlines = (ProfileInline, )
    list_display = ('email', 'first_name', 'last_name', 'is_staff')
    list_select_related = ( 'profile', )

    exclude = ('username',)

    fieldsets = (
        ('Personal information', {'fields': ('first_name', 'last_name', 'email', 'password')}),
        ('Permissions', {'fields': ('is_active', 'is_staff', 'is_superuser', 'groups', 'user_permissions')}),
        ('Important dates', {'fields': ('last_login', 'date_joined')}),
    )

    add_fieldsets = (
        ('None', {
            'classes': ('wide',),
            'fields': ('first_name','last_name', 'email', 'password1', 'password2')}
        ),
    )


    def get_inline_instances(self, request, obj=None):
        if not obj:
            return list()
        return super(CustomUserAdmin, self).get_inline_instances(request, obj)


admin.site.unregister(User)
admin.site.register(User, CustomUserAdmin)

forms.py

from django import forms
from django.contrib.auth.models import User
from django.utils.translation import ugettext as _
from crispy_forms.helper import FormHelper
from crispy_forms.layout import Layout, Div, Field
from ajax_select.fields import AutoCompleteSelectField, AutoCompleteField
from phonenumber_field.formfields  import PhoneNumberField
from . import models
from captcha.fields import ReCaptchaField


class SignUpForm(forms.Form):
    first_name = forms.CharField(max_length=30)
    last_name = forms.CharField(max_length=30)
    phone_number = PhoneNumberField(label=_("Phone (Please state your country code eg. +44)"))
    organisation = forms.CharField(max_length=50)
    email = forms.EmailField()
    password1 = forms.CharField(max_length=20)
    password2 = forms.CharField(max_length=20)
    captcha = ReCaptchaField(attrs={'theme' : 'clean'})



    def signup(self, request, user):
        user.first_name = self.cleaned_data['first_name']
        user.last_name = self.cleaned_data['last_name']
        """
        profile, created = models.UserProfile.objects.get_or_create(user=user)
        profile.phone_number = self.cleaned_data['phone_number']
        profile.organisation = self.cleaned_data['organisation']
        profile.save()
        user.save()
        """
        up = user.profile
        up.phone_number = self.cleaned_data['phone_number']
        up.organisation = self.cleaned_data['organisation']
        user.save()
        up.save()

models.py --

from __future__ import unicode_literals
from django.db import models
from django.contrib.auth.models import User
from django.utils.translation import ugettext as _
from easy_thumbnails.fields import ThumbnailerImageField
from ciasroot.settings import THUMBNAILER_SIZES, UPLOAD_PATH
from ciasroot.constants import GENDERS, LANGUAGES
from ciasroot.util import HashedPk
from phonenumber_field.modelfields import PhoneNumberField
import math, decimal, datetime, os
import uuid

    def random_username(sender, instance, **kwargs):
        if not instance.username:
            instance.username = uuid.uuid4().hex[:30]
            models.signals.pre_save.connect(random_username, sender=User)

class UserProfile(models.Model, HashedPk):
    user = models.OneToOneField(User, unique=True, related_name ='profile')
    job_title = models.CharField(max_length=128, blank=True, null=False, default="")
    website = models.URLField(max_length=255, blank=True, null=True)
    organisation = models.CharField(max_length=50, blank=True, null=True, default="")
    phone_number = PhoneNumberField( blank=True, null=True)

    def __str__(self):
        return self.user.get_full_name()

    def save(self, *args, **kwargs):
        super(UserProfile, self).save(*args, **kwargs)
        LookupSuggest.add("job_title", self.job_title)

How can I insert username as firstname and make the custom field ie email 'required'. Now the password1 & password2 fields are mandatory.

Any help/link is highly appreciated.

django python
4 Answers

To generate a random unique username use this 

import uuid

def random_username(sender, instance, **kwargs):
    if not instance.username:
        instance.username = uuid.uuid4().hex[:30]
models.signals.pre_save.connect(random_username, sender=settings.AUTH_USER_MODEL)
user_127644410

here is my code

    import string
import random

from django.contrib import redirects
from django.contrib.auth.models import User
from django.shortcuts import render

from accounts.models import RegisterIndividualModel

def signup_individual(request):
        if request.method == 'POST':
        firstname = request.POST['individual-firstname']
        lastname = request.POST['individual-lastname']
        email = request.POST['individual-email']
        password = request.POST['individual-password']
        gender = request.POST['individual-gender']
        number = request.POST['individual-phone']

        # generating random username
        letters = string.ascii_uppercase
        username = firstname + (''.join(random.choice(letters) for i in range(5)))

        new_individual_user = RegisterIndividualModel(firstname=firstname, lastname=lastname, username=username,
                                                  email=email, password=password, gender=gender, number=number)
        new_individual_user.save()
        return render(request, 'feed/feed.html')
user_113680240
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