More compat fixes

rest_framework/compat.py

@@ -139,6 +139,29 @@ else:
             self.message = kwargs.pop('message', self.message)
             super(MaxValueValidator, self).__init__(*args, **kwargs)
 
+# URLValidator only accept `message` in 1.6+
+if django.VERSION >= (1, 6):
+    from django.core.validators import URLValidator
+else:
+    from django.core.validators import URLValidator as DjangoURLValidator
+
+    class URLValidator(DjangoURLValidator):
+        def __init__(self, *args, **kwargs):
+            self.message = kwargs.pop('message', self.message)
+            super(URLValidator, self).__init__(*args, **kwargs)
+
+
+# EmailValidator requires explicit regex prior to 1.6+
+if django.VERSION >= (1, 6):
+    from django.core.validators import EmailValidator
+else:
+    from django.core.validators import EmailValidator as DjangoEmailValidator
+    from django.core.validators import email_re
+
+    class EmailValidator(DjangoEmailValidator):
+        def __init__(self, *args, **kwargs):
+            super(EmailValidator, self).__init__(email_re, *args, **kwargs)
+
 
 # PATCH method is not implemented by Django
 if 'patch' not in View.http_method_names:

rest_framework/fields.py

@@ -6,7 +6,7 @@ from django.utils.dateparse import parse_date, parse_datetime, parse_time
 from django.utils.encoding import is_protected_type
 from django.utils.translation import ugettext_lazy as _
 from rest_framework import ISO_8601
-from rest_framework.compat import smart_text, MinValueValidator, MaxValueValidator
+from rest_framework.compat import smart_text, EmailValidator, MinValueValidator, MaxValueValidator, URLValidator
 from rest_framework.settings import api_settings
 from rest_framework.utils import html, representation, humanize_datetime
 import datetime
@@ -335,7 +335,7 @@ class EmailField(CharField):
 
     def __init__(self, **kwargs):
         super(EmailField, self).__init__(**kwargs)
-        validator = validators.EmailValidator(message=self.error_messages['invalid'])
+        validator = EmailValidator(message=self.error_messages['invalid'])
         self.validators.append(validator)
 
     def to_internal_value(self, data):
@@ -381,7 +381,7 @@ class URLField(CharField):
 
     def __init__(self, **kwargs):
         super(URLField, self).__init__(**kwargs)
-        validator = validators.URLValidator(message=self.error_messages['invalid'])
+        validator = URLValidator(message=self.error_messages['invalid'])
         self.validators.append(validator)
 
 
@@ -525,7 +525,7 @@ class DecimalField(Field):
             return None
 
         if not isinstance(value, decimal.Decimal):
-            value = decimal.Decimal(value)
+            value = decimal.Decimal(str(value).strip())
 
         context = decimal.getcontext().copy()
         context.prec = self.max_digits

tests/test_fields.py

@@ -2,6 +2,7 @@ from decimal import Decimal
 from django.utils import timezone
 from rest_framework import fields
 import datetime
+import django
 import pytest
 
 
@@ -92,7 +93,7 @@ class TestEmailField(FieldValues):
         ' example@example.com ': 'example@example.com',
     }
     invalid_inputs = {
-        'example.com': ['Enter a valid email address.']
+        'examplecom': ['Enter a valid email address.']
     }
     outputs = {}
     field = fields.EmailField()
@@ -267,8 +268,8 @@ class TestMinMaxDecimalField(FieldValues):
     Valid and invalid values for `DecimalField` with min and max limits.
     """
     valid_inputs = {
-        '10.0': 10.0,
-        '20.0': 20.0,
+        '10.0': Decimal('10.0'),
+        '20.0': Decimal('20.0'),
     }
     invalid_inputs = {
         '9.9': ['Ensure this value is greater than or equal to 10.'],
@@ -368,9 +369,10 @@ class TestDateTimeField(FieldValues):
         '2001-01-01 13:00': datetime.datetime(2001, 1, 1, 13, 00, tzinfo=timezone.UTC()),
         '2001-01-01T13:00': datetime.datetime(2001, 1, 1, 13, 00, tzinfo=timezone.UTC()),
         '2001-01-01T13:00Z': datetime.datetime(2001, 1, 1, 13, 00, tzinfo=timezone.UTC()),
-        '2001-01-01T14:00+0100': datetime.datetime(2001, 1, 1, 13, 00, tzinfo=timezone.UTC()),
         datetime.datetime(2001, 1, 1, 13, 00): datetime.datetime(2001, 1, 1, 13, 00, tzinfo=timezone.UTC()),
         datetime.datetime(2001, 1, 1, 13, 00, tzinfo=timezone.UTC()): datetime.datetime(2001, 1, 1, 13, 00, tzinfo=timezone.UTC()),
+        # Note that 1.4 does not support timezone string parsing.
+        '2001-01-01T14:00+01:00' if (django.VERSION > (1, 4)) else '2001-01-01T13:00Z': datetime.datetime(2001, 1, 1, 13, 00, tzinfo=timezone.UTC())
     }
     invalid_inputs = {
         'abc': ['Datetime has wrong format. Use one of these formats instead: YYYY-MM-DDThh:mm[:ss[.uuuuuu]][+HH:MM|-HH:MM|Z]'],