Convert codebase for python3 usage

imagekit/management/commands/ikflush.py

@@ -20,9 +20,9 @@ def flush_cache(apps, options):
     """
     apps = [a.strip(',') for a in apps]
     if apps:
-        print 'Flushing cache for %s...' % ', '.join(apps)
+        print('Flushing cache for %s...' % ', '.join(apps))
     else:
-        print 'Flushing caches...'
+        print('Flushing caches...')
         
     for app_label in apps:
         app = cache.get_app(app_label)

imagekit/models.py

@@ -47,7 +47,7 @@ class ImageModelBase(ModelBase):
         except ImportError:
             raise ImportError('Unable to load imagekit config module: %s' % \
                 opts.spec_module)    
-        for spec in [spec for spec in module.__dict__.values() \
+        for spec in [spec for spec in list(module.__dict__.values()) \
                      if isinstance(spec, type) \
                      and issubclass(spec, specs.ImageSpec) \
                      and spec != specs.ImageSpec]:
@@ -56,7 +56,7 @@ class ImageModelBase(ModelBase):
         setattr(cls, '_ik', opts)
 
 
-class ImageModel(models.Model):
+class ImageModel(models.Model, metaclass=ImageModelBase):
     """ Abstract base class implementing all core ImageKit functionality
     
     Subclasses of ImageModel are augmented with accessors for each defined
@@ -64,7 +64,6 @@ class ImageModel(models.Model):
     storage locations and other options.
     
     """
-    __metaclass__ = ImageModelBase
 
     class Meta:
         abstract = True
@@ -81,10 +80,10 @@ class ImageModel(models.Model):
               self._ik.admin_thumbnail_spec
         else:
             if hasattr(self, 'get_absolute_url'):
-                return u'<a href="%s"><img src="%s"></a>' % \
+                return '<a href="%s"><img src="%s"></a>' % \
                     (self.get_absolute_url(), prop.url)
             else:
-                return u'<a href="%s"><img src="%s"></a>' % \
+                return '<a href="%s"><img src="%s"></a>' % \
                     (self._imgfield.url, prop.url)
     admin_thumbnail_view.short_description = _('Thumbnail')
     admin_thumbnail_view.allow_tags = True

imagekit/options.py

@@ -18,6 +18,6 @@ class Options(object):
     spec_module = 'imagekit.defaults'
     
     def __init__(self, opts):        
-        for key, value in opts.__dict__.iteritems():
+        for key, value in opts.__dict__.items():
             setattr(self, key, value)
             self.specs = []

imagekit/specs.py

@@ -6,7 +6,7 @@ spec found.
 
 """
 import os
-from StringIO import StringIO
+from io import StringIO
 from imagekit.lib import *
 from imagekit.utils import img_to_fobj
 from django.core.files.base import ContentFile

imagekit/tests.py

@@ -83,4 +83,4 @@ class IKTest(TestCase):
         # make sure image file is deleted
         path = self.p.image.path
         self.p.delete()
-        self.failIf(os.path.isfile(path))
+        self.assertFalse(os.path.isfile(path))