PEP 8 cleaning

Conflicts:

	polymorphic/__init__.py
	polymorphic/polymorphic_model.py

polymorphic/__init__.py

@@ -6,7 +6,6 @@ Copyright:
 This code and affiliated files are (C) by Bert Constantin and individual contributors.
 Please see LICENSE and AUTHORS for more information.
 """
-
 from polymorphic_model import PolymorphicModel
 from manager import PolymorphicManager
 from query import PolymorphicQuerySet
@@ -17,6 +16,7 @@ from showfields import ShowFields, ShowFieldTypes, ShowFieldsAndTypes # import o
 
 VERSION = (1, 0, 0, 'beta')
 
+
 def get_version():
     version = '%s.%s' % VERSION[0:2]
     if VERSION[2]:
@@ -24,3 +24,34 @@ def get_version():
     if VERSION[3]:
         version += ' %s' % VERSION[3]
     return version
+
+
+# Proxied models need to have it's own ContentType
+
+
+from django.contrib.contenttypes.models import ContentTypeManager
+from django.utils.encoding import smart_unicode
+
+
+def get_for_proxied_model(self, model):
+    """
+    Returns the ContentType object for a given model, creating the
+    ContentType if necessary. Lookups are cached so that subsequent lookups
+    for the same model don't hit the database.
+    """
+    opts = model._meta
+    key = (opts.app_label, opts.object_name.lower())
+    try:
+        ct = self.__class__._cache[self.db][key]
+    except KeyError:
+        # Load or create the ContentType entry. The smart_unicode() is
+        # needed around opts.verbose_name_raw because name_raw might be a
+        # django.utils.functional.__proxy__ object.
+        ct, created = self.get_or_create(
+            app_label=opts.app_label,
+            model=opts.object_name.lower(),
+            defaults={'name': smart_unicode(opts.verbose_name_raw)},
+        )
+        self._add_to_cache(self.db, ct)
+    return ct
+ContentTypeManager.get_for_proxied_model = get_for_proxied_model

polymorphic/compatibility_tools.py

@@ -20,36 +20,43 @@ except:
                 raise TypeError('first argument must be callable')
             dict.__init__(self, *a, **kw)
             self.default_factory = default_factory
+
         def __getitem__(self, key):
             try:
                 return dict.__getitem__(self, key)
             except KeyError:
                 return self.__missing__(key)
+
         def __missing__(self, key):
             if self.default_factory is None:
                 raise KeyError(key)
             self[key] = value = self.default_factory()
             return value
+
         def __reduce__(self):
             if self.default_factory is None:
                 args = tuple()
             else:
                 args = self.default_factory,
             return type(self), args, None, None, self.items()
+
         def copy(self):
             return self.__copy__()
+
         def __copy__(self):
             return type(self)(self.default_factory, self)
+
         def __deepcopy__(self, memo):
             import copy
-            return type(self)(self.default_factory,
-                              copy.deepcopy(self.items()))
+            return type(self)(self.default_factory, copy.deepcopy(self.items()))
+
         def __repr__(self):
             return 'defaultdict(%s, %s)' % (self.default_factory, dict.__repr__(self))
 
 
 if getattr(str, 'partition', None):
-    def compat_partition(s,sep): return s.partition(sep)
+    def compat_partition(s, sep):
+        return s.partition(sep)
 else:
     """ from:
     http://mail.python.org/pipermail/python-dev/2005-September/055962.html
@@ -82,4 +89,3 @@ else:
         assert ''.join(result) == s
         assert result[1] == '' or result[1] is sep
         return result
-

polymorphic/manager.py

@@ -37,4 +37,3 @@ class PolymorphicManager(models.Manager):
 
     def __unicode__(self):
         return u'%s (PolymorphicManager) using %s' % (self.__class__.__name__, self.queryset_class.__name__)
-

polymorphic/polymorphic_model.py

@@ -150,7 +150,7 @@ class PolymorphicModel(models.Model):
         for name, model in subclasses_and_superclasses_accessors.iteritems():
             orig_accessor = getattr(self.__class__, name, None)
             if type(orig_accessor) in [SingleRelatedObjectDescriptor, ReverseSingleRelatedObjectDescriptor]:
-                #print >>sys.stderr, '---------- replacing',name, orig_accessor
+                #print >>sys.stderr, '---------- replacing', name, orig_accessor, '->', model
                 setattr(self.__class__, name, property(create_accessor_function_for_model(model, name)))
 
     def _get_inheritance_relation_fields_and_models(self):

polymorphic/query_translate.py

@@ -47,6 +47,7 @@ def translate_polymorphic_filter_definitions_in_kwargs(queryset_model, kwargs):
 
     return additional_args
 
+
 def translate_polymorphic_Q_object(queryset_model, potential_q_object):
     def tree_node_correct_field_specs(my_model, node):
         " process all children of this Q node "
@@ -68,6 +69,7 @@ def translate_polymorphic_Q_object(queryset_model, potential_q_object):
 
     return potential_q_object
 
+
 def translate_polymorphic_filter_definitions_in_args(queryset_model, args):
     """
     Translate the non-keyword argument list for PolymorphicQuerySet.filter()
@@ -229,4 +231,3 @@ def _create_model_filter_Q(modellist, not_instance_of=False):
     if not_instance_of:
         q_ored = ~q_ored
     return q_ored
-

polymorphic/showfields.py

@@ -2,6 +2,7 @@
 
 from django.db import models
 
+
 class ShowFieldBase(object):
     """ base class for the ShowField... model mixins, does the work """
 
@@ -107,7 +108,9 @@ class ShowFieldBase(object):
 
         indent = len(self.__class__.__name__) + 5
         indentstr = ''.rjust(indent)
-        out=u''; xpos=0; possible_line_break_pos = None
+        out = u''
+        xpos = 0
+        possible_line_break_pos = None
 
         for i in xrange(len(parts)):
             new_section, p, separator = parts[i]
@@ -123,12 +126,15 @@ class ShowFieldBase(object):
                 out += '\n' + indentstr + rest
                 xpos = indent + len(rest)
 
-            out += p; xpos += len(p)
+            out += p
+            xpos += len(p)
 
             if not final:
                 if not next_new_section:
-                    out += separator; xpos += len(separator)
-                out += ' '; xpos += 1
+                    out += separator
+                    xpos += len(separator)
+                out += ' '
+                xpos += 1
 
             if not new_section:
                 possible_line_break_pos = len(out)
@@ -140,10 +146,12 @@ class ShowFieldType(ShowFieldBase):
     """ model mixin that shows the object's class and it's field types """
     polymorphic_showfield_type = True
 
+
 class ShowFieldContent(ShowFieldBase):
     """ model mixin that shows the object's class, it's fields and field contents """
     polymorphic_showfield_content = True
 
+
 class ShowFieldTypeAndContent(ShowFieldBase):
     """ model mixin, like ShowFieldContent, but also show field types """
     polymorphic_showfield_type = True

polymorphic/tools_for_tests.py

@@ -4,15 +4,15 @@
 
 import uuid
 
-from django.forms.util import ValidationError
 from django import forms
 from django.db import models
 from django.utils.encoding import smart_unicode
-from django.utils.translation import ugettext_lazy
+
 
 class UUIDVersionError(Exception):
     pass
 
+
 class UUIDField(models.CharField):
     """Encode and stores a Python uuid.UUID in a manner that is appropriate
     for the given datatabase that we are using.