نحوه سفارشی کردن ابزارک ها به شکل django

from django import forms

class ContactForm(forms.Form):
    subject = forms.CharField(max_length=100)
    message = forms.CharField(widget=forms.Textarea)
    sender = forms.EmailField()
    cc_myself = forms.BooleanField()

# forms.py

class ContactForm(forms.Form):
    subject = forms.CharField(
        max_length=100,
        # *** CUSTOMIZE WIDGET: option 1 ***
        widget=forms.TextInput(
            attrs={
                "class": "form-control",
                "placeholder": "Subject",
            }
        ),
    )
    message = forms.CharField(widget=forms.Textarea)
    sender = forms.EmailField()
    cc_myself = forms.BooleanField(required=False)

    # *** CUSTOMIZE WIDGET: option 2 ***
    message.widget.attrs.update(
        {"class": "form-control", "placeholder": "Write your message here"}
    )

    # *** CUSTOMIZE WIDGET: option 3 ***
    def __init__(self, *args, user=None, **kwargs):
        super().__init__(*args, **kwargs)
        self.fields["sender"].widget.attrs["class"] = "form-control"

        # Conditional logic based on user
        if user and user.is_authenticated:
            self.fields["sender"].initial = user.email
        else:
            print(user)
            self.fields["sender"].widget.attrs["readonly"] = True
            self.fields["sender"].widget.attrs[
                "placeholder"
            ] = "Login to fill your email"

#views.py

def form3(request):
    if request.method == "POST":
        form = ContactForm(request.POST)
        if form.is_valid():
            context = {"form": form}
            messages.success(request, "Your message has been sent!")
            return redirect("form")
    else:
        form = ContactForm(user=request.user)
    context = {"form": form}
    return render(request, "form.html", context=context)

#forms.py
class PostForm(ModelForm):
    class Meta:
        model = Post
        fields = "__all__"


# models.py
class Post(models.Model):
    title = models.CharField()
    title_tag = models.CharField()
    body = models.TextField()
    user = models.ForeignKey(User, on_delete=models.CASCADE)

class PostForm(ModelForm):
    # *** CUSTOMIZE WIDGET: option 1 ***
    title = forms.CharField(
        widget=forms.TextInput(
            attrs={"class": "form-control", "placeholder": "Here goes the title"}
        )
    )

    class Meta:
        model = Post
        fields = "__all__"
        # *** CUSTOMIZE WIDGET: option 2 ***
        widgets = {
            "body": forms.Textarea(attrs={"class": "form-control", "rows": 5}),
        }

    # *** CUSTOMIZE WIDGET: option 3 ***
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.fields["title_tag"].widget.attrs.update(
            {"class": "form-control", "placeholder": "Title tag"}
        )