remove optional email

README.md

@@ -20,7 +20,8 @@ This Docker Space serves a static landing page with an embedded Gradio app for:
 
 Participants connect their Hugging Face account from the registration page. The
 Space uses the signed-in Hugging Face profile to capture the captain username,
-stable Hugging Face `sub`, and email when available.
+stable Hugging Face `sub`, and primary email. The primary email is the captain
+contact email; it cannot be overridden in the registration form.
 
 The Space must define these secrets:
 

app.py

@@ -1413,7 +1413,6 @@ def submit_registration(
     team_display_name: str,
     team_id: str,
     captain_name: str,
-    contact_email: str,
     additional_submitters: str,
     credited_contributors: str,
     organization: str,
@@ -1433,7 +1432,7 @@ def submit_registration(
         return "Please accept all required acknowledgments.", "", "", gr.update(visible=True)
 
     profile_email = profile_value(profile, "email")
-    contact_error = registration_contact_error(contact_email, profile_email, organization)
+    contact_error = registration_contact_error(profile_email, organization)
     if contact_error:
         return contact_error, "", "", gr.update(visible=True)
 
@@ -1448,13 +1447,11 @@ def submit_registration(
 
     captain_hf_user_id = profile_value(profile, "sub")
     captain_hf_username = profile_value(profile, "preferred_username", "name")
-    captain_email = contact_email.strip() or profile_email
-
     payload = {
         "team_display_name": team_display_name.strip(),
         "team_id": team_id.strip(),
         "captain_name": captain_name.strip(),
-        "captain_email": captain_email,
+        "captain_email": profile_email,
         "captain_hf_user_id": captain_hf_user_id,
         "captain_hf_username": captain_hf_username,
         "submitter_hf_usernames": split_multivalue(additional_submitters),
@@ -1714,9 +1711,9 @@ with gr.Blocks(
 
             with gr.Group(visible=False) as registration_form:
                 gr.Markdown(
-                    "An academic, company, or organization email and an organization "
-                    "name are required. Applications using common personal email services "
-                    "cannot be submitted."
+                    "Your Hugging Face primary email must be an academic, company, or "
+                    "organization address. An organization name is also required. "
+                    "Applications using common personal email services cannot be submitted."
                 )
 
                 with gr.Row():
@@ -1734,14 +1731,6 @@ with gr.Blocks(
 
                 with gr.Row():
                     captain_name = gr.Textbox(label="Captain Full Name", max_lines=1)
-                    contact_email = gr.Textbox(
-                        label="Captain Contact / Organization Email (required)",
-                        max_lines=1,
-                        info=(
-                            "Use an academic, company, or organization email. "
-                            "Common personal email services are not accepted."
-                        ),
-                    )
 
                 additional_submitters = gr.Textbox(
                     label="Additional Submitter Hugging Face Usernames",
@@ -1764,7 +1753,7 @@ with gr.Blocks(
                 notes = gr.Textbox(label="Notes To Organizers", lines=3)
 
                 organization_email_ack = gr.Checkbox(
-                    label="I have provided an academic, company, or organization email address."
+                    label="My Hugging Face primary email is an academic, company, or organization address."
                 )
                 roster_ack = gr.Checkbox(
                     label="I understand that the submitter roster is frozen after approval except by administrator exception."
@@ -2004,7 +1993,6 @@ with gr.Blocks(
             team_display_name,
             team_id,
             captain_name,
-            contact_email,
             additional_submitters,
             credited_contributors,
             organization,

registration_validation.py

@@ -70,20 +70,20 @@ def uses_common_personal_email_service(email: str) -> bool:
 
 
 def registration_contact_error(
-    contact_email: str,
     profile_email: str,
     organization: str,
 ) -> str | None:
-    """Return a user-facing error when registration contact details are invalid."""
+    """Return a user-facing error for the OAuth-provided contact email."""
     if not (organization or "").strip():
         return "Organization / Affiliation is required."
 
-    effective_email = (contact_email or "").strip() or (profile_email or "").strip()
-    if email_domain(effective_email) is None:
-        return "Enter a valid Captain Contact / Organization Email."
-    if uses_common_personal_email_service(effective_email):
+    profile_email = (profile_email or "").strip()
+    if email_domain(profile_email) is None:
+        return "Your Hugging Face account must provide a valid primary email address."
+    if uses_common_personal_email_service(profile_email):
         return (
-            "Use an academic, company, or organization email address. "
-            "Addresses from common personal email services are not accepted."
+            "Your Hugging Face primary email must be an academic, company, or "
+            "organization address. Addresses from common personal email services "
+            "are not accepted."
         )
     return None