Remove Pre-1.0 compatibility hacks

polymorphic/admin/parentadmin.py

@@ -75,39 +75,9 @@ class PolymorphicParentModelAdmin(admin.ModelAdmin):
         if self._is_setup:
             return
 
-        # By not having this in __init__() there is less stress on import dependencies as well,
+        self._child_models = self.get_child_models()
-        # considering an advanced use cases where a plugin system scans for the child models.
-        child_models = self.get_child_models()
-        # Check if get_child_models() returns an iterable of models (new format) or an iterable
-        # of (Model, Admin) (legacy format). When iterable is empty, assume the new format.
-        self._compat_mode = len(child_models) and isinstance(child_models[0], (list, tuple))
-        if not self._compat_mode:
-            self._child_models = child_models
         self._child_admin_site = self.admin_site
         self._is_setup = True
-            return
-
-        # Continue only if in compatibility mode
-        warnings.warn("Using tuples of (Model, ModelAdmin) in PolymorphicParentModelAdmin.child_models is "
-                      "deprecated; instead child_models should be iterable of child models eg. "
-                      "(Model1, Model2, ..) and child admins should be registered to default admin site",
-                      DeprecationWarning)
-        self._child_admin_site = self.admin_site.__class__(name=self.admin_site.name)
-        self._child_admin_site.get_app_list = lambda request: ()  # HACK: workaround for Django 1.9
-
-        for Model, Admin in child_models:
-            self.register_child(Model, Admin)
-        self._child_models = dict(child_models)
-
-        # This is needed to deal with the improved ForeignKeyRawIdWidget in Django 1.4 and perhaps other widgets too.
-        # The ForeignKeyRawIdWidget checks whether the referenced model is registered in the admin, otherwise it displays itself as a textfield.
-        # As simple solution, just make sure all parent admin models are also know in the child admin site.
-        # This should be done after all parent models are registered off course.
-        complete_registry = self.admin_site._registry.copy()
-        complete_registry.update(self._child_admin_site._registry)
-
-        self._child_admin_site._registry = complete_registry
-        self._is_setup = True
 
     def register_child(self, model, model_admin):
         """
@@ -144,11 +114,7 @@ class PolymorphicParentModelAdmin(admin.ModelAdmin):
         """
         self._lazy_setup()
         choices = []
-        for child_model_desc in self.get_child_models():
+        for model in self.get_child_models():
-            if self._compat_mode:
-                model = child_model_desc[0]
-            else:
-                model = child_model_desc
             perm_function_name = 'has_{0}_permission'.format(action)
             model_admin = self._get_real_admin_by_model(model)
             perm_function = getattr(model_admin, perm_function_name)
@@ -265,29 +231,8 @@ class PolymorphicParentModelAdmin(admin.ModelAdmin):
         # At this point. all admin code needs to be known.
         self._lazy_setup()
 
-        # Continue only if in compatibility mode
-        if not self._compat_mode:
         return urls
 
-        # The redirect at the end acts as catch all.
-        # The custom urls need to be inserted before that.
-        redirect_urls = [pat for pat in urls if not pat.name]  # redirect URL has no name.
-        urls = [pat for pat in urls if pat.name]
-
-        # Define the catch-all for custom views
-        custom_urls = [
-            url(r'^(?P<path>.+)$', self.admin_site.admin_view(self.subclass_view))
-        ]
-
-        # Add reverse names for all polymorphic models, so the delete button and "save and add" just work.
-        # These definitions are masked by the definition above, since it needs special handling (and a ct_id parameter).
-        dummy_urls = []
-        for model, _ in self.get_child_models():
-            admin = self._get_real_admin_by_model(model)
-            dummy_urls += admin.get_urls()
-
-        return urls + custom_urls + dummy_urls + redirect_urls
-
     def subclass_view(self, request, path):
         """
         Forward any request to a custom view of the real admin.

polymorphic/manager.py

@@ -1,2 +0,0 @@
-# For compatibility with pre 0.8 versions
-from .managers import PolymorphicQuerySet, PolymorphicManager  # noqa

polymorphic/managers.py

@@ -3,7 +3,7 @@
 The manager class for use in the models.
 """
 from __future__ import unicode_literals
-import warnings
+
 from django.db import models
 from django.utils.six import python_2_unicode_compatible
 from polymorphic.query import PolymorphicQuerySet
@@ -33,17 +33,6 @@ class PolymorphicManager(models.Manager):
         manager.queryset_class = queryset_class  # also set our version, Django uses _queryset_class
         return manager
 
-    def __init__(self, queryset_class=None, *args, **kwrags):
-        # Up till polymorphic 0.4, the queryset class could be specified as parameter to __init__.
-        # However, this doesn't work for related managers which instantiate a new version of this class.
-        # Hence, for custom managers the new default is using the 'queryset_class' attribute at class level instead.
-        if queryset_class:
-            warnings.warn("Using PolymorphicManager(queryset_class=..) is deprecated; override the queryset_class attribute instead", DeprecationWarning)
-            # For backwards compatibility, still allow the parameter:
-            self.queryset_class = queryset_class
-
-        super(PolymorphicManager, self).__init__(*args, **kwrags)
-
     def get_queryset(self):
         qs = self.queryset_class(self.model, using=self._db, hints=self._hints)
         if self.model._meta.proxy:

polymorphic/showfields.py

@@ -169,9 +169,3 @@ class ShowFieldTypeAndContent(ShowFieldBase):
     """ model mixin, like ShowFieldContent, but also show field types """
     polymorphic_showfield_type = True
     polymorphic_showfield_content = True
-
-
-# compatibility with old class names
-ShowFieldTypes = ShowFieldType
-ShowFields = ShowFieldContent
-ShowFieldsAndTypes = ShowFieldTypeAndContent