Week05 - Beyza Arman

Week05/emails_beyza_arman.py

@@ -0,0 +1,31 @@
+import re
+
+
+class Emails(list):
+    """A list of unique, validated email addresses."""
+
+    def __init__(self, emails):
+        unique = []
+        for email in emails:
+            self.validate(email)
+            if email not in unique:
+                unique.append(email)
+        super().__init__(unique)
+
+    @property
+    def data(self):
+        return self
+
+    @staticmethod
+    def validate(email):
+        if not isinstance(email, str):
+            raise ValueError("Email addresses must be strings")
+        if re.fullmatch(r"[^\s@]+@[^\s@.]+(?:\.[^\s@.]+)+", email) is None:
+            raise ValueError("Invalid email address")
+        return True
+
+    def __repr__(self):
+        return f"Emails({list(self)!r})"
+
+    def __str__(self):
+        return ", ".join(self)