[fix] add user default role

erpnext/portal/utils.py

@@ -0,0 +1,17 @@
+import frappe
+
+def set_default_role(doc, method):
+	'''Set customer, supplier, student based on email'''
+	if frappe.flags.setting_role or frappe.flags.in_migrate:
+		return
+	contact_name = frappe.get_value('Contact', dict(email_id=doc.email))
+	if contact_name:
+		contact = frappe.get_doc('Contact', contact_name)
+		for link in contact.links:
+			frappe.flags.setting_role = True
+			if link.link_doctype=='Customer':
+				doc.add_roles('Customer')
+			elif link.link_doctype=='Supplier':
+				doc.add_roles('Supplier')
+	elif frappe.get_value('Student', dict(student_email_id=doc.email)):
+		doc.add_roles('Student')