UUIDField 🧽

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.4.1 : 14.11.2019
+
+- **Feature**: Introduced `UUIDField`
+
 ## 0.4.0 : 13.11.2019
 
 - **Feature**: Introduced `DictionaryField`

django_request_formatter/__version__.py

@@ -1 +1 @@
-__version__ = '0.4.0'
+__version__ = '0.4.1'

django_request_formatter/fields.py

@@ -1,8 +1,10 @@
 import copy
 import datetime
+import enum
 import math
 import re
 import typing
+import uuid
 from decimal import Decimal, DecimalException
 from enum import Enum
 from typing import List
@@ -294,6 +296,32 @@ def _set_regex(self, regex):
     regex = property(_get_regex, _set_regex)
 
 
+class UUIDField(CharField):
+    default_error_messages = {
+        'invalid': _('Enter a valid UUID.'),
+    }
+
+    def __init__(self, **kwargs):
+        kwargs['max_length'] = 36
+        kwargs['min_length'] = 36
+        super().__init__(**kwargs)
+
+    def to_python(self, value):
+        value = super().to_python(value)
+        if value in self.empty_values:
+            return None
+        if not isinstance(value, uuid.UUID):
+            value = uuid.UUID(value)
+        return value
+
+    def validate(self, value):
+        if value not in self.empty_values and not isinstance(value, uuid.UUID):
+            try:
+                uuid.UUID(value)
+            except ValueError:
+                raise ValidationError(self.error_messages['invalid'], code='invalid')
+
+
 class EmailField(CharField):
     default_validators = [validators.validate_email]