Added support for Django 2.x+ (#50)

* Added support for Django 2.x+
* Updated requirements for testing
* Updated travis config with Python 3.6 and additional environments
* Updated CHANGELOG and README

Author: peterfarrell

.travis.yml

@@ -1,6 +1,6 @@
 language: python
 python:
-  - 3.4
+  - 3.6
 script: make test
 notifications:
   email: false
@@ -13,6 +13,8 @@ env:
     - DJANGO='django>=1.8,<1.9'
     - DJANGO='django>=1.9,<1.10'
     - DJANGO='django>=1.10,<1.11'
+    - DJANGO='django>=2.0,<2.1'
+    - DJANGO='django>=2.1,<2.2'
     - DJANGO='--upgrade --pre django'
 matrix:
   fast_finish: true

CHANGELOG.md

@@ -1,3 +1,9 @@
+## 2.1.1
+
+* Added support for Django 2.x+
+* Updated requirements for testing
+* Updated travis config with Python 3.6 and additional environments
+
 ## 2.1.0
 
 Thanks to @peterfarrell:

README.md

@@ -28,6 +28,9 @@ PGP symmetric fields are:
 ## Requirements
 
  - postgres with `pgcrypto`
+ - Supports Django 1.8 to 2.1
+ - Compatible with Python 3 only
+ 
 
 ## Installation
 

pgcrypto/forms.py

@@ -11,7 +11,7 @@ class DateField(forms.DateField):
     def __init__(self, input_formats=None, *args, **kwargs):
         """Init that pops off the max_length attribute."""
         kwargs.pop('max_length', None)
-        super().__init__(input_formats, *args, **kwargs)
+        super().__init__(input_formats=input_formats, **kwargs)
 
 
 class DateTimeField(forms.DateTimeField):
@@ -24,4 +24,4 @@ class DateTimeField(forms.DateTimeField):
     def __init__(self, input_formats=None, *args, **kwargs):
         """Init that pops off the max_length attribute."""
         kwargs.pop('max_length', None)
-        super().__init__(input_formats, *args, **kwargs)
+        super().__init__(input_formats=input_formats, **kwargs)

pgcrypto/lookups.py

@@ -52,7 +52,7 @@ class DateLookupBase(Lookup):
     operator = None  # Set in subclasses
 
     def __init__(self, lhs, rhs):
-        """Implementing an abstract class."""
+        """Implement an abstract class."""
         super(DateLookupBase, self).__init__(lhs, rhs)  # pragma: no cover
 
     def as_sql(self, qn, connection):

pgcrypto/mixins.py

@@ -21,11 +21,13 @@ class HashMixin:
     `HashMixin` uses 'pgcrypto' to encrypt data in a postgres database.
     """
     def __init__(self, original=None, *args, **kwargs):
+        """Tells the init the original attr."""
         self.original = original
 
         super(HashMixin, self).__init__(*args, **kwargs)
 
     def pre_save(self, model_instance, add):
+        """Save the original_value."""
         if self.original:
             original_value = getattr(model_instance, self.original)
             setattr(model_instance, self.attname, original_value)

requirements.txt

@@ -2,11 +2,12 @@
 colour-runner==0.0.5
 coverage==4.3.1
 dj-database-url==0.4.2
-django>=1.10,<1.11
+django>=1.10,<2.2
 factory-boy==2.8.1
-flake8-docstrings==1.0.2
+flake8-docstrings==1.3.0
 flake8-import-order==0.11
-flake8==3.2.1
+flake8==3.5.0
 incuna-test-utils==6.6.0
-psycopg2==2.6.2
-pyflakes==1.4.0
+psycopg2-binary==2.7.5
+pyflakes==1.6.0
+pycodestyle==2.3.1

setup.py

@@ -1,7 +1,7 @@
 from setuptools import find_packages, setup
 
 
-version = '2.1.0'
+version = '2.1.1'
 
 
 setup(

tests/factories.py

@@ -7,8 +7,6 @@
 
 class EncryptedModelFactory(factory.DjangoModelFactory):
     """Factory to generate hashed and encrypted data."""
-    class Meta:
-        model = EncryptedModel
 
     digest_field = factory.Sequence('Text digest {}'.format)
     hmac_field = factory.Sequence('Text hmac {}'.format)
@@ -22,3 +20,7 @@ class Meta:
     pgp_sym_field = factory.Sequence('Text with symmetric key {}'.format)
 
     date_pgp_sym_field = date.today()
+
+    class Meta:
+        """Sets up meta for test factory."""
+        model = EncryptedModel

tests/models.py

@@ -10,9 +10,11 @@ class EncryptedModelManager(managers.PGPManager):
 class EncryptedModel(models.Model):
     """Dummy model used for tests to check the fields."""
     digest_field = fields.TextDigestField(blank=True, null=True)
-    digest_with_original_field = fields.TextDigestField(blank=True, null=True, original='pgp_sym_field')
+    digest_with_original_field = fields.TextDigestField(blank=True, null=True,
+                                                        original='pgp_sym_field')
     hmac_field = fields.TextHMACField(blank=True, null=True)
-    hmac_with_original_field = fields.TextHMACField(blank=True, null=True, original='pgp_sym_field')
+    hmac_with_original_field = fields.TextHMACField(blank=True, null=True,
+                                                    original='pgp_sym_field')
 
     email_pgp_pub_field = fields.EmailPGPPublicKeyField(blank=True, null=True)
     integer_pgp_pub_field = fields.IntegerPGPPublicKeyField(blank=True, null=True)
@@ -25,6 +27,7 @@ class EncryptedModel(models.Model):
     datetime_pgp_sym_field = fields.DateTimePGPSymmetricKeyField(blank=True, null=True)
 
     class Meta:
+        """Sets up the meta for the test model."""
         app_label = 'tests'
 
 
@@ -33,4 +36,5 @@ class EncryptedModelWithManager(EncryptedModel):
     objects = EncryptedModelManager()
 
     class Meta:
+        """Sets up the meta for the test manager."""
         proxy = True