Merge pull request #321 from tomchristie/pastebin_tutorial

Tweaks and fixes in order to support the pastebin tutorial

docs/api-guide/generic-views.md

@@ -30,7 +30,7 @@ For more complex cases you might also want to override various methods on the vi
         serializer_class = UserSerializer
         permission_classes = (IsAdminUser,)
         
-        def get_paginate_by(self):
+        def get_paginate_by(self, queryset):
             """
             Use smaller pagination for HTML representations.
             """

rest_framework/renderers.py

@@ -224,7 +224,7 @@ class BrowsableAPIRenderer(BaseRenderer):
 
         return content
 
-    def show_form_for_method(self, view, method, request):
+    def show_form_for_method(self, view, method, request, obj):
         """
         Returns True if a form should be shown for this method.
         """
@@ -236,7 +236,7 @@ class BrowsableAPIRenderer(BaseRenderer):
 
         request = clone_request(request, method)
         try:
-            if not view.has_permission(request):
+            if not view.has_permission(request, obj):
                 return  # Don't have permission
         except:
             return  # Don't have permission and exception explicitly raise
@@ -295,7 +295,8 @@ class BrowsableAPIRenderer(BaseRenderer):
         In the absence on of the Resource having an associated form then
         provide a form that can be used to submit arbitrary content.
         """
-        if not self.show_form_for_method(view, method, request):
+        obj = getattr(view, 'object', None)
+        if not self.show_form_for_method(view, method, request, obj):
             return
 
         if method == 'DELETE' or method == 'OPTIONS':
@@ -305,17 +306,13 @@ class BrowsableAPIRenderer(BaseRenderer):
             media_types = [parser.media_type for parser in view.parser_classes]
             return self.get_generic_content_form(media_types)
 
-        # Creating an on the fly form see: http://stackoverflow.com/questions/3915024/dynamically-creating-classes-python
-        obj, data = None, None
-        if getattr(view, 'object', None):
-            obj = view.object
-
         serializer = view.get_serializer(instance=obj)
         fields = self.serializer_to_form_fields(serializer)
 
+        # Creating an on the fly form see:
+        # http://stackoverflow.com/questions/3915024/dynamically-creating-classes-python
         OnTheFlyForm = type("OnTheFlyForm", (forms.Form,), fields)
-        if obj:
+        data = (obj is not None) and serializer.data or None
-            data = serializer.data
         form_instance = OnTheFlyForm(data)
         return form_instance
 

rest_framework/serializers.py

@@ -3,6 +3,7 @@ import datetime
 import types
 from decimal import Decimal
 from django.db import models
+from django.forms import widgets
 from django.utils.datastructures import SortedDict
 from rest_framework.compat import get_concrete_model
 from rest_framework.fields import *
@@ -409,6 +410,15 @@ class ModelSerializer(Serializer):
         kwargs = {}
         if model_field.has_default():
             kwargs['required'] = False
+            kwargs['default'] = model_field.get_default()
+
+        if model_field.__class__ == models.TextField:
+            kwargs['widget'] = widgets.Textarea
+
+        # TODO: TypedChoiceField?
+        if model_field.flatchoices:  # This ModelField contains choices
+            kwargs['choices'] = model_field.flatchoices
+            return ChoiceField(**kwargs)
 
         field_mapping = {
             models.FloatField: FloatField,

rest_framework/tests/serializer.py

@@ -42,6 +42,7 @@ class ActionItemSerializer(serializers.ModelSerializer):
     class Meta:
         model = ActionItem
 
+
 class BasicTests(TestCase):
     def setUp(self):
         self.comment = Comment(
@@ -296,10 +297,12 @@ class ManyToManyTests(TestCase):
         self.assertEquals(instance.pk, 2)
         self.assertEquals(list(instance.rel.all()), [])
 
+
 class ReadOnlyManyToManyTests(TestCase):
     def setUp(self):
         class ReadOnlyManyToManySerializer(serializers.ModelSerializer):
             rel = serializers.ManyRelatedField(readonly=True)
+
             class Meta:
                 model = ReadOnlyManyToManyModel
 
@@ -317,7 +320,6 @@ class ReadOnlyManyToManyTests(TestCase):
         # A serialized representation of the model instance
         self.data = {'rel': [self.anchor.id], 'id': 1, 'text': 'anchor'}
 
-
     def test_update(self):
         """
         Attempt to update an instance of a model with a ManyToMany