add url

Author: n1nj4t4nuk1

pyvalueobjects/security/nullable_url.py

@@ -0,0 +1,10 @@
+from pyvalueobjects.abstract.nullablevalueobject import build_nullable
+from pyvalueobjects.security.url import Url
+
+_nullable_cls = build_nullable(Url)
+
+
+class NullableUrl(_nullable_cls):
+
+    def __init__(self, value: str = None):
+        super().__init__(value) 

pyvalueobjects/security/url.py

@@ -0,0 +1,27 @@
+import re
+
+from pyvalueobjects.errors.ValueObjectError import ValueObjectError
+from pyvalueobjects.strings.non_empty_string import NonEmptyString
+
+
+class Url(NonEmptyString):
+
+    __MATCHER = re.compile(
+        r'^(?:http[s]?://)?'  # http:// or https:// (optional)
+        r'(?:(?:[A-Z0-9](?:[A-Z0-9-]{0,61}[A-Z0-9])?\.)+(?:[A-Z]{2,6}\.?|[A-Z0-9-]{2,}\.?)|'  # domain...
+        r'localhost|'  # localhost...
+        r'\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})'  # ...or ip
+        r'(?::\d+)?'  # optional port
+        r'(?:/?|[/?]\S+)$', re.IGNORECASE)
+
+    def __init__(self, value: str):
+        super().__init__(value)
+
+    def _validate(self, value: str):
+        super()._validate(value)
+        try:
+            is_correct = Url.__MATCHER.match(value)
+            if not is_correct:
+                raise ValueObjectError('Value must be a valid URL format (e.g. https://example.com or http://localhost:8080).')
+        except ValueError:
+            raise ValueObjectError('Value must be a valid URL format (e.g. https://example.com or http://localhost:8080).')