feat(account): Added prefilling of email field in signup form

Co-authored-by: varun kumar <[email protected]>

allauth/account/tests/test_signup.py

@@ -10,6 +10,7 @@
 from django.test.utils import override_settings
 from django.urls import reverse
 
+import pytest
 from pytest_django.asserts import assertTemplateUsed
 
 from allauth.account import app_settings
@@ -371,3 +372,16 @@ def test_prevent_enumeration_on(settings, user_factory):
     assert resp.context["form"].errors == {
         "email": ["A user is already registered with this email address."]
     }
+
+
+@pytest.mark.django_db
+def test_get_initial_with_valid_email():
+    """Test that the email field is populated with a valid email."""
+    request = RequestFactory().get("/signup/[email protected]")
+    from allauth.account.views import signup
+
+    SessionMiddleware(lambda request: None).process_request(request)
+    request.user = AnonymousUser()
+    with context.request_context(request):
+        view = signup(request)
+    assert view.context_data["view"].get_initial()["email"] == "[email protected]"

allauth/account/views.py

@@ -2,6 +2,8 @@
 from django.contrib.auth import REDIRECT_FIELD_NAME
 from django.contrib.auth.decorators import login_required
 from django.contrib.sites.shortcuts import get_current_site
+from django.core.validators import validate_email
+from django.forms import ValidationError
 from django.http import (
     Http404,
     HttpResponsePermanentRedirect,
@@ -290,6 +292,19 @@ def get_context_data(self, **kwargs):
         )
         return ret
 
+    def get_initial(self):
+        initial = super().get_initial()
+        email = self.request.GET.get("email")
+        if email:
+            try:
+                validate_email(email)
+            except ValidationError:
+                return initial
+            initial["email"] = email
+            if app_settings.SIGNUP_EMAIL_ENTER_TWICE:
+                initial["email2"] = email
+        return initial
+
 
 signup = SignupView.as_view()