old_contents: from django import forms
  from users.models import Tshirt, Diet, Location
  
  
  class SignUpForm(forms.Form):
  
      user_name = forms.CharField(label='User Name')
      password = forms.CharField(label='Password', widget=forms.PasswordInput)
      first_name = forms.CharField(label='First Name')
      last_name = forms.CharField(label='Last Name')
      email = forms.EmailField(label='Email Address')
      tshirt = forms.ModelChoiceField(label='T-Shirt Size',
              queryset=Tshirt.objects.all())
      diet = forms.ModelChoiceField(label='Dietary Preference',
              queryset=Diet.objects.all())
      location = forms.ModelChoiceField(label='Location',
              queryset=Location.objects.all())
      description = forms.CharField(label='Describe Yourself',
              widget=forms.Textarea, required=False)
      notify_by_email = forms.BooleanField(
              label="Email me when there's a new post", required=False)
  
  
  class SignInForm(forms.Form):
  
      user_name = forms.CharField(label='User Name')
      password = forms.CharField(label='Password', widget=forms.PasswordInput)
      next = forms.CharField(label='Next URL', widget=forms.HiddenInput)
  
  
  class UserProfileForm(forms.Form):
  
      first_name = forms.CharField(label='First Name')
      last_name = forms.CharField(label='Last Name')
      email = forms.EmailField(label='Email Address')
      tshirt = forms.ModelChoiceField(label='T-Shirt Size',
              queryset=Tshirt.objects.all())
      diet = forms.ModelChoiceField(label='Dietary Preference',
              queryset=Diet.objects.all())
      location = forms.ModelChoiceField(label='Location',
              queryset=Location.objects.all())
      description = forms.CharField(label='Describe Yourself',
              widget=forms.Textarea, required=False)
      notify_by_email = forms.BooleanField(
              label="Email me when there's a new post", required=False)
      password = forms.CharField(label='Password',
              widget=forms.PasswordInput, required=False)
  
new_contents: from django import forms
  from users.models import Tshirt, Diet, Location
  
  
  class SignUpForm(forms.Form):
  
      user_name = forms.SlugField(label='User Name',
              error_messages={'required': 'Please enter a user name.',
                              'invalid': 'Please enter a user name containing only letters, numbers, underscores, and hyphens.'})
      password = forms.CharField(label='Password', widget=forms.PasswordInput)
      first_name = forms.CharField(label='First Name')
      last_name = forms.CharField(label='Last Name')
      email = forms.EmailField(label='Email Address')
      tshirt = forms.ModelChoiceField(label='T-Shirt Size',
              queryset=Tshirt.objects.all())
      diet = forms.ModelChoiceField(label='Dietary Preference',
              queryset=Diet.objects.all())
      location = forms.ModelChoiceField(label='Location',
              queryset=Location.objects.all())
      description = forms.CharField(label='Describe Yourself',
              widget=forms.Textarea, required=False)
      notify_by_email = forms.BooleanField(
              label="Email me when there's a new post", required=False)
  
  
  class SignInForm(forms.Form):
  
      user_name = forms.SlugField(label='User Name',
              error_messages={'required': 'Please enter a user name.',
                              'invalid': 'Please enter a user name containing only letters, numbers, underscores, and hyphens.'})
      password = forms.CharField(label='Password', widget=forms.PasswordInput)
      next = forms.CharField(label='Next URL', widget=forms.HiddenInput)
  
  
  class UserProfileForm(forms.Form):
  
      first_name = forms.CharField(label='First Name')
      last_name = forms.CharField(label='Last Name')
      email = forms.EmailField(label='Email Address')
      tshirt = forms.ModelChoiceField(label='T-Shirt Size',
              queryset=Tshirt.objects.all())
      diet = forms.ModelChoiceField(label='Dietary Preference',
              queryset=Diet.objects.all())
      location = forms.ModelChoiceField(label='Location',
              queryset=Location.objects.all())
      description = forms.CharField(label='Describe Yourself',
              widget=forms.Textarea, required=False)
      notify_by_email = forms.BooleanField(
              label="Email me when there's a new post", required=False)
      password = forms.CharField(label='Password',
              widget=forms.PasswordInput, required=False)
  
subject: make user name fields SlugFields