Merge pull request #1 from nschlemm/issue-192-expose-fields-for-options

Merged work in progress for Issue 192 expose fields for options

docs/api-guide/relations.md

@@ -381,6 +381,15 @@ Note that reverse generic keys, expressed using the `GenericRelation` field, can
 
 For more information see [the Django documentation on generic relations][generic-relations].
 
+## ManyToManyFields with a Through Model
+
+By default, relational fields that target a ``ManyToManyField`` with a
+``through`` model specified are set to read-only.
+
+If you exlicitly specify a relational field pointing to a
+``ManyToManyField`` with a through model, be sure to set ``read_only``
+to ``True``.
+
 ## Advanced Hyperlinked fields
 
 If you have very specific requirements for the style of your hyperlinked relationships you can override `HyperlinkedRelatedField`. 

docs/api-guide/renderers.md

@@ -67,7 +67,7 @@ If your API includes views that can serve both regular webpages and API response
 
 ## JSONRenderer
 
-Renders the request data into `JSON`.
+Renders the request data into `JSON` enforcing ASCII encoding
 
 The client may additionally include an `'indent'` media type parameter, in which case the returned `JSON` will be indented.  For example `Accept: application/json; indent=4`.
 
@@ -75,6 +75,10 @@ The client may additionally include an `'indent'` media type parameter, in which
 
 **.format**: `'.json'`
 
+## UnicodeJSONRenderer
+
+Same as `JSONRenderer` but doesn't enforce ASCII encoding
+
 ## JSONPRenderer
 
 Renders the request data into `JSONP`.  The `JSONP` media type provides a mechanism of allowing cross-domain AJAX requests, by wrapping a `JSON` response in a javascript callback.
@@ -272,10 +276,10 @@ Exceptions raised and handled by an HTML renderer will attempt to render using o
 * Load and render a template named `api_exception.html`.
 * Render the HTTP status code and text, for example "404 Not Found".
 
-**Note**: If `DEBUG=True`, Django's standard traceback error page will be displayed instead of rendering the HTTP status code and text.
-
 Templates will render with a `RequestContext` which includes the `status_code` and `details` keys.
 
+**Note**: If `DEBUG=True`, Django's standard traceback error page will be displayed instead of rendering the HTTP status code and text.
+
 ---
 
 # Third party packages

docs/topics/browsable-api.md

@@ -35,6 +35,17 @@ A suitable replacement theme can be generated using Bootstrap's [Customize Tool]
 
 You can also change the navbar variant, which by default is `navbar-inverse`, using the `bootstrap_navbar_variant` block. The empty `{% block bootstrap_navbar_variant %}{% endblock %}` will use the original Bootstrap navbar style.
 
+Full Example
+
+    {% extends "rest_framework/base.html" %}
+
+    {% block bootstrap_theme %}
+        <link rel="stylesheet" href="/path/to/yourtheme/bootstrap.min.css' type="text/css">
+    {% endblock %}
+
+    {% block bootstrap_navbar_variant %}{% endblock %}
+
+
 For more specific CSS tweaks, use the `style` block instead.
 
 

docs/topics/credits.md

@@ -127,6 +127,11 @@ The following people have helped make REST framework great.
 * Craig de Stigter - [craigds]
 * Pablo Recio - [pyriku]
 * Brian Zambrano - [brianz]
+* Òscar Vilaplana - [grimborg]
+* Ryan Kaskel - [ryankask]
+* Andy McKay - [andymckay]
+* Matteo Suppo - [matteosuppo]
+* Karol Majta - [lolek09]
 
 Many thanks to everyone who's contributed to the project.
 
@@ -290,3 +295,8 @@ You can also contact [@_tomchristie][twitter] directly on twitter.
 [craigds]: https://github.com/craigds
 [pyriku]: https://github.com/pyriku
 [brianz]: https://github.com/brianz
+[grimborg]: https://github.com/grimborg
+[ryankask]: https://github.com/ryankask
+[andymckay]: https://github.com/andymckay
+[matteosuppo]: https://github.com/matteosuppo
+[lolek09]: https://github.com/lolek09

rest_framework/compat.py

@@ -495,3 +495,16 @@ except ImportError:
     oauth2_provider_forms = None
     oauth2_provider_scope = None
     oauth2_constants = None
+
+# Handle lazy strings
+from django.utils.functional import Promise
+
+if six.PY3:
+    def is_non_str_iterable(obj):
+        if (isinstance(obj, str) or
+            (isinstance(obj, Promise) and obj._delegate_text)):
+            return False
+        return hasattr(obj, '__iter__')
+else:
+    def is_non_str_iterable(obj):
+        return hasattr(obj, '__iter__')

rest_framework/fields.py

@@ -27,7 +27,7 @@ from rest_framework.compat import (timezone, parse_date, parse_datetime,
                                    parse_time)
 from rest_framework.compat import BytesIO
 from rest_framework.compat import six
-from rest_framework.compat import smart_text
+from rest_framework.compat import smart_text, force_text, is_non_str_iterable
 from rest_framework.settings import api_settings
 
 
@@ -76,7 +76,6 @@ def is_simple_callable(obj):
     len_defaults = len(defaults) if defaults else 0
     return len_args <= len_defaults
 
-
 def get_component(obj, attr_name):
     """
     Given an object, and an attribute name,
@@ -137,7 +136,7 @@ def humanize_field(field):
     humanized = {
         'type': humanize_field_type(field.__class__),
         'required': getattr(field, 'required', False),
-        'label': field.label,
+        'label': getattr(field, 'label', None),
     }
     optional_attrs = ['read_only', 'help_text']
     for attr in optional_attrs:
@@ -256,7 +255,8 @@ class Field(object):
 
         if is_protected_type(value):
             return value
-        elif hasattr(value, '__iter__') and not isinstance(value, (dict, six.string_types)):
+        elif (is_non_str_iterable(value) and
+              not isinstance(value, (dict, six.string_types))):
             return [self.to_native(item) for item in value]
         elif isinstance(value, dict):
             # Make sure we preserve field ordering, if it exists
@@ -264,7 +264,7 @@ class Field(object):
             for key, val in value.items():
                 ret[key] = self.to_native(val)
             return ret
-        return smart_text(value)
+        return force_text(value)
 
     def attributes(self):
         """
@@ -470,7 +470,6 @@ class URLField(CharField):
     type_name = 'URLField'
 
     def __init__(self, **kwargs):
-        kwargs['max_length'] = kwargs.get('max_length', 200)
         kwargs['validators'] = [validators.URLValidator()]
         super(URLField, self).__init__(**kwargs)
 
@@ -479,7 +478,6 @@ class SlugField(CharField):
     type_name = 'SlugField'
 
     def __init__(self, *args, **kwargs):
-        kwargs['max_length'] = kwargs.get('max_length', 50)
         super(SlugField, self).__init__(*args, **kwargs)
 
 

rest_framework/relations.py

@@ -8,6 +8,7 @@ from __future__ import unicode_literals
 from django.core.exceptions import ObjectDoesNotExist, ValidationError
 from django.core.urlresolvers import resolve, get_script_prefix, NoReverseMatch
 from django import forms
+from django.db.models.fields import BLANK_CHOICE_DASH
 from django.forms import widgets
 from django.forms.models import ModelChoiceIterator
 from django.utils.translation import ugettext_lazy as _
@@ -47,7 +48,7 @@ class RelatedField(WritableField):
                           DeprecationWarning, stacklevel=2)
             kwargs['required'] = not kwargs.pop('null')
 
-        self.queryset = kwargs.pop('queryset', None)
+        queryset = kwargs.pop('queryset', None)
         self.many = kwargs.pop('many', self.many)
         if self.many:
             self.widget = self.many_widget
@@ -56,6 +57,11 @@ class RelatedField(WritableField):
         kwargs['read_only'] = kwargs.pop('read_only', self.read_only)
         super(RelatedField, self).__init__(*args, **kwargs)
 
+        if not self.required:
+            self.empty_label = BLANK_CHOICE_DASH[0][1]
+
+        self.queryset = queryset
+
     def initialize(self, parent, field_name):
         super(RelatedField, self).initialize(parent, field_name)
         if self.queryset is None and not self.read_only:
@@ -442,7 +448,7 @@ class HyperlinkedRelatedField(RelatedField):
             raise Exception('Writable related fields must include a `queryset` argument')
 
         try:
-            http_prefix = value.startswith('http:') or value.startswith('https:')
+            http_prefix = value.startswith(('http:', 'https:'))
         except AttributeError:
             msg = self.error_messages['incorrect_type']
             raise ValidationError(msg % type(value).__name__)

rest_framework/renderers.py

@@ -36,6 +36,7 @@ class BaseRenderer(object):
 
     media_type = None
     format = None
+    charset = None
 
     def render(self, data, accepted_media_type=None, renderer_context=None):
         raise NotImplemented('Renderer class requires .render() to be implemented')
@@ -49,6 +50,7 @@ class JSONRenderer(BaseRenderer):
     media_type = 'application/json'
     format = 'json'
     encoder_class = encoders.JSONEncoder
+    ensure_ascii = True
 
     def render(self, data, accepted_media_type=None, renderer_context=None):
         """
@@ -72,7 +74,12 @@ class JSONRenderer(BaseRenderer):
             except (ValueError, TypeError):
                 indent = None
 
-        return json.dumps(data, cls=self.encoder_class, indent=indent)
+        return json.dumps(data, cls=self.encoder_class, indent=indent, ensure_ascii=self.ensure_ascii)
+
+
+class UnicodeJSONRenderer(JSONRenderer):
+    ensure_ascii = False
+    charset = 'utf-8'
 
 
 class JSONPRenderer(JSONRenderer):
@@ -115,6 +122,7 @@ class XMLRenderer(BaseRenderer):
 
     media_type = 'application/xml'
     format = 'xml'
+    charset = 'utf-8'
 
     def render(self, data, accepted_media_type=None, renderer_context=None):
         """
@@ -164,6 +172,7 @@ class YAMLRenderer(BaseRenderer):
     media_type = 'application/yaml'
     format = 'yaml'
     encoder = encoders.SafeDumper
+    charset = 'utf-8'
 
     def render(self, data, accepted_media_type=None, renderer_context=None):
         """
@@ -204,6 +213,7 @@ class TemplateHTMLRenderer(BaseRenderer):
         '%(status_code)s.html',
         'api_exception.html'
     ]
+    charset = 'utf-8'
 
     def render(self, data, accepted_media_type=None, renderer_context=None):
         """
@@ -275,6 +285,7 @@ class StaticHTMLRenderer(TemplateHTMLRenderer):
     """
     media_type = 'text/html'
     format = 'html'
+    charset = 'utf-8'
 
     def render(self, data, accepted_media_type=None, renderer_context=None):
         renderer_context = renderer_context or {}
@@ -296,6 +307,7 @@ class BrowsableAPIRenderer(BaseRenderer):
     media_type = 'text/html'
     format = 'api'
     template = 'rest_framework/api.html'
+    charset = 'utf-8'
 
     def get_default_renderer(self, view):
         """
@@ -321,7 +333,7 @@ class BrowsableAPIRenderer(BaseRenderer):
         content = renderer.render(data, accepted_media_type, renderer_context)
 
         if not all(char in string.printable for char in content):
-            return '[%d bytes of binary content]'
+            return '[%d bytes of binary content]' % len(content)
 
         return content
 
@@ -337,6 +349,8 @@ class BrowsableAPIRenderer(BaseRenderer):
 
         try:
             view.check_permissions(request)
+            if obj is not None:
+                view.check_object_permissions(request, obj)
         except exceptions.APIException:
             return False  # Doesn't have permissions
         return True

rest_framework/response.py

@@ -18,7 +18,7 @@ class Response(SimpleTemplateResponse):
 
     def __init__(self, data=None, status=200,
                  template_name=None, headers=None,
-                 exception=False):
+                 exception=False, charset=None):
         """
         Alters the init arguments slightly.
         For example, drop 'template_name', and instead use 'data'.
@@ -30,6 +30,7 @@ class Response(SimpleTemplateResponse):
         self.data = data
         self.template_name = template_name
         self.exception = exception
+        self.charset = charset
 
         if headers:
             for name, value in six.iteritems(headers):
@@ -46,7 +47,14 @@ class Response(SimpleTemplateResponse):
         assert context, ".renderer_context not set on Response"
         context['response'] = self
 
-        self['Content-Type'] = media_type
+        if self.charset is None:
+            self.charset = renderer.charset
+
+        if self.charset is not None:
+            content_type = "{0}; charset={1}".format(media_type, self.charset)
+        else:
+            content_type = media_type
+        self['Content-Type'] = content_type
         return renderer.render(self.data, media_type, context)
 
     @property

rest_framework/serializers.py

@@ -378,6 +378,10 @@ class BaseSerializer(WritableField):
         # Set the serializer object if it exists
         obj = getattr(self.parent.object, field_name) if self.parent.object else None
 
+        if self.source == '*':
+            if value:
+                into.update(value)
+        else:
             if value in (None, ''):
                 into[(self.source or field_name)] = None
             else:
@@ -587,11 +591,16 @@ class ModelSerializer(Serializer):
         forward_rels += [field for field in opts.many_to_many if field.serialize]
 
         for model_field in forward_rels:
+            has_through_model = False
+
             if model_field.rel:
                 to_many = isinstance(model_field,
                                      models.fields.related.ManyToManyField)
                 related_model = model_field.rel.to
 
+                if to_many and not model_field.rel.through._meta.auto_created:
+                    has_through_model = True
+
             if model_field.rel and nested:
                 if len(inspect.getargspec(self.get_nested_field).args) == 2:
                     warnings.warn(
@@ -620,6 +629,9 @@ class ModelSerializer(Serializer):
                 field = self.get_field(model_field)
 
             if field:
+                if has_through_model:
+                    field.read_only = True
+
                 ret[model_field.name] = field
 
         # Deal with reverse relationships
@@ -637,6 +649,12 @@ class ModelSerializer(Serializer):
                 continue
             related_model = relation.model
             to_many = relation.field.rel.multiple
+            has_through_model = False
+            is_m2m = isinstance(relation.field,
+                                models.fields.related.ManyToManyField)
+
+            if is_m2m and not relation.field.rel.through._meta.auto_created:
+                has_through_model = True
 
             if nested:
                 field = self.get_nested_field(None, related_model, to_many)
@@ -644,6 +662,9 @@ class ModelSerializer(Serializer):
                 field = self.get_related_field(None, related_model, to_many)
 
             if field:
+                if has_through_model:
+                    field.read_only = True
+
                 ret[accessor_name] = field
 
         # Add the `read_only` flag to any fields that have bee specified
@@ -723,6 +744,27 @@ class ModelSerializer(Serializer):
             kwargs['choices'] = model_field.flatchoices
             return ChoiceField(**kwargs)
 
+        # put this below the ChoiceField because min_value isn't a valid initializer
+        if issubclass(model_field.__class__, models.PositiveIntegerField) or\
+                issubclass(model_field.__class__, models.PositiveSmallIntegerField):
+            kwargs['min_value'] = 0
+
+        attribute_dict = {
+            models.CharField: ['max_length'],
+            models.CommaSeparatedIntegerField: ['max_length'],
+            models.DecimalField: ['max_digits', 'decimal_places'],
+            models.EmailField: ['max_length'],
+            models.FileField: ['max_length'],
+            models.ImageField: ['max_length'],
+            models.SlugField: ['max_length'],
+            models.URLField: ['max_length'],
+        }
+
+        if model_field.__class__ in attribute_dict:
+            attributes = attribute_dict[model_field.__class__]
+            for attribute in attributes:
+                kwargs.update({attribute: getattr(model_field, attribute)})
+
         try:
             return self.field_mapping[model_field.__class__](**kwargs)
         except KeyError:

rest_framework/static/rest_framework/css/bootstrap-tweaks.css

@@ -20,3 +20,162 @@ a single block in the template.
     color: white;
     text-decoration: none;
 }
+
+/* custom navigation styles */
+.wrapper .navbar{
+  width: 100%;
+  position: absolute;
+  left: 0;
+  top: 0;
+}
+
+.navbar .navbar-inner{
+  background: #2C2C2C;
+  color: white;
+  border: none;
+  border-top: 5px solid #A30000;
+  border-radius: 0px;
+}
+
+.navbar .navbar-inner .nav li, .navbar .navbar-inner .nav li a, .navbar .navbar-inner .brand:hover{
+  color: white;
+}
+
+.nav-list > .active > a, .nav-list > .active > a:hover {
+  background: #2c2c2c;
+}
+
+.navbar .navbar-inner .dropdown-menu li a, .navbar .navbar-inner .dropdown-menu li{
+ color: #A30000;
+}
+.navbar .navbar-inner .dropdown-menu li a:hover{
+  background: #eeeeee;
+  color: #c20000;
+}
+
+/*=== dabapps bootstrap styles ====*/
+
+html{
+  width:100%;
+  background: none;
+}
+
+body, .navbar .navbar-inner .container-fluid {
+  max-width: 1150px;
+  margin: 0 auto;
+}
+
+body{
+  background: url("../img/grid.png") repeat-x;
+  background-attachment: fixed;
+}
+
+#content{
+    margin: 0;
+}
+
+/* sticky footer and footer */
+html, body {
+  height: 100%;
+}
+.wrapper {
+  min-height: 100%;
+  height: auto !important;
+  height: 100%;
+  margin: 0 auto -60px;
+}
+
+.form-switcher {
+    margin-bottom: 0;
+}
+
+.well {
+    -webkit-box-shadow: none;
+       -moz-box-shadow: none;
+            box-shadow: none;
+}
+
+.well .form-actions {
+    padding-bottom: 0;
+    margin-bottom: 0;
+}
+
+.well form {
+    margin-bottom: 0;
+}
+
+.nav-tabs {
+    border: 0;
+}
+
+.nav-tabs > li {
+    float: right;
+}
+
+.nav-tabs li a {
+    margin-right: 0;
+}
+
+.nav-tabs > .active > a {
+    background: #f5f5f5;
+}
+
+.nav-tabs > .active > a:hover {
+    background: #f5f5f5;
+}
+
+.tabbable.first-tab-active .tab-content
+{
+    border-top-right-radius: 0;
+}
+
+#footer, #push {
+  height: 60px; /* .push must be the same height as .footer */
+}
+
+#footer{
+    text-align: right;
+}
+
+#footer p {
+  text-align: center;
+  color: gray;
+  border-top: 1px solid #DDD;
+  padding-top: 10px;
+}
+
+#footer a {
+  color: gray;
+  font-weight: bold;
+}
+
+#footer a:hover {
+  color: gray;
+}
+
+.page-header {
+    border-bottom: none;
+    padding-bottom: 0px;
+    margin-bottom: 20px;
+}
+
+/* custom general page styles */
+.hero-unit h2, .hero-unit h1{
+  color: #A30000;
+}
+
+body a, body a{
+  color: #A30000;
+}
+
+body a:hover{
+  color: #c20000;
+}
+
+#content a span{
+    text-decoration: underline;
+ }
+
+.request-info {
+    clear:both;
+}

rest_framework/static/rest_framework/css/default.css

@@ -69,152 +69,3 @@ pre {
     margin-bottom: 20px;
 }
 
-
-/*=== dabapps bootstrap styles ====*/
-
-html{
-  width:100%;
-  background: none;
-}
-
-body, .navbar .navbar-inner .container-fluid {
-  max-width: 1150px;
-  margin: 0 auto;
-}
-
-body{
-  background: url("../img/grid.png") repeat-x;
-  background-attachment: fixed;
-}
-
-#content{
-    margin: 0;
-}
-/* custom navigation styles */
-.wrapper .navbar{
-  width: 100%;
-  position: absolute;
-  left: 0;
-  top: 0;
-}
-
-.navbar .navbar-inner{
-  background: #2C2C2C;
-  color: white;
-  border: none;
-  border-top: 5px solid #A30000;
-  border-radius: 0px;
-}
-
-.navbar .navbar-inner .nav li, .navbar .navbar-inner .nav li a, .navbar .navbar-inner .brand{
-  color: white; 
-}
-
-.nav-list > .active > a, .nav-list > .active > a:hover {
-  background: #2c2c2c;
-}
-
-.navbar .navbar-inner .dropdown-menu li a, .navbar .navbar-inner .dropdown-menu li{
- color: #A30000; 
-}
-.navbar .navbar-inner .dropdown-menu li a:hover{
-  background: #eeeeee;
-  color: #c20000;
-}
-
-/* custom general page styles */
-.hero-unit h2, .hero-unit h1{
-  color: #A30000;
-}
-
-body a, body a{
-  color: #A30000;
-}
-
-body a:hover{
-  color: #c20000;
-}
-
-#content a span{
-    text-decoration: underline;
- }
-
-/* sticky footer and footer */
-html, body {
-  height: 100%;
-}
-.wrapper {
-  min-height: 100%;
-  height: auto !important;
-  height: 100%;
-  margin: 0 auto -60px;
-}
-
-.form-switcher {
-    margin-bottom: 0;
-}
-
-.well {
-    -webkit-box-shadow: none;
-       -moz-box-shadow: none;
-            box-shadow: none;
-}
-
-.well .form-actions {
-    padding-bottom: 0;
-    margin-bottom: 0;
-}
-
-.well form {
-    margin-bottom: 0;
-}
-
-.nav-tabs {
-    border: 0;
-}
-
-.nav-tabs > li {
-    float: right;
-}
-
-.nav-tabs li a {
-    margin-right: 0;
-}
-
-.nav-tabs > .active > a {
-    background: #f5f5f5;
-}
-
-.nav-tabs > .active > a:hover {
-    background: #f5f5f5;
-}
-
-.tabbable.first-tab-active .tab-content
-{
-    border-top-right-radius: 0;
-}
-
-#footer, #push {
-  height: 60px; /* .push must be the same height as .footer */
-}
-
-#footer{
-    text-align: right;
-}
-
-#footer p {
-  text-align: center;
-  color: gray;
-  border-top: 1px solid #DDD;
-  padding-top: 10px;
-}
-
-#footer a {
-  color: gray;
-  font-weight: bold;
-}
-
-#footer a:hover {
-  color: gray;
-}
-

rest_framework/templates/rest_framework/base.html

@@ -13,8 +13,10 @@
         <title>{% block title %}Django REST framework{% endblock %}</title>
 
         {% block style %}
-        {% block bootstrap_theme %}<link rel="stylesheet" type="text/css" href="{% static "rest_framework/css/bootstrap.min.css" %}"/>{% endblock %}
+        {% block bootstrap_theme %}
+            <link rel="stylesheet" type="text/css" href="{% static "rest_framework/css/bootstrap.min.css" %}"/>
             <link rel="stylesheet" type="text/css" href="{% static "rest_framework/css/bootstrap-tweaks.css" %}"/>
+        {% endblock %}
         <link rel="stylesheet" type="text/css" href="{% static "rest_framework/css/prettify.css" %}"/>
         <link rel="stylesheet" type="text/css" href="{% static "rest_framework/css/default.css" %}"/>
         {% endblock %}
@@ -30,8 +32,8 @@
     <div class="navbar {% block bootstrap_navbar_variant %}navbar-inverse{% endblock %}">
         <div class="navbar-inner">
             <div class="container-fluid">
-                <span class="brand" href="/">
-                    {% block branding %}<a href='http://django-rest-framework.org'>Django REST framework <span class="version">{{ version }}</span></a>{% endblock %}
+                <span href="/">
+                    {% block branding %}<a class='brand' href='http://django-rest-framework.org'>Django REST framework <span class="version">{{ version }}</span></a>{% endblock %}
                 </span>
                 <ul class="nav pull-right">
                     {% block userlinks %}
@@ -109,8 +111,7 @@
         <div class="content-main">
             <div class="page-header"><h1>{{ name }}</h1></div>
             {{ description }}
-
-            <div class="request-info">
+            <div class="request-info" style="clear: both" >
                 <pre class="prettyprint"><b>{{ request.method }}</b> {{ request.get_full_path }}</pre>
             </div>
             <div class="response-info">

rest_framework/templates/rest_framework/login_base.html

@@ -4,8 +4,10 @@
 
     <head>
         {% block style %}
-        {% block bootstrap_theme %}<link rel="stylesheet" type="text/css" href="{% static "rest_framework/css/bootstrap.min.css" %}"/>{% endblock %}
+        {% block bootstrap_theme %}
+            <link rel="stylesheet" type="text/css" href="{% static "rest_framework/css/bootstrap.min.css" %}"/>
             <link rel="stylesheet" type="text/css" href="{% static "rest_framework/css/bootstrap-tweaks.css" %}"/>
+        {% endblock %}
         <link rel="stylesheet" type="text/css" href="{% static "rest_framework/css/default.css" %}"/>
         {% endblock %}
     </head>

rest_framework/tests/fields.py

@@ -13,6 +13,7 @@ from django.test import TestCase
 from django.core import validators
 from rest_framework import serializers
 from rest_framework.serializers import Serializer
+from rest_framework.tests.models import RESTFrameworkModel
 from rest_framework.fields import Field
 from collections import namedtuple
 from uuid import uuid4
@@ -693,6 +694,129 @@ class ChoiceFieldTests(TestCase):
         self.assertEqual(f.choices, models.fields.BLANK_CHOICE_DASH + self.SAMPLE_CHOICES)
 
 
+class EmailFieldTests(TestCase):
+    """
+    Tests for EmailField attribute values
+    """
+
+    class EmailFieldModel(RESTFrameworkModel):
+        email_field = models.EmailField(blank=True)
+
+    class EmailFieldWithGivenMaxLengthModel(RESTFrameworkModel):
+        email_field = models.EmailField(max_length=150, blank=True)
+
+    def test_default_model_value(self):
+        class EmailFieldSerializer(serializers.ModelSerializer):
+            class Meta:
+                model = self.EmailFieldModel
+
+        serializer = EmailFieldSerializer(data={})
+        self.assertEqual(serializer.is_valid(), True)
+        self.assertEqual(getattr(serializer.fields['email_field'], 'max_length'), 75)
+
+    def test_given_model_value(self):
+        class EmailFieldSerializer(serializers.ModelSerializer):
+            class Meta:
+                model = self.EmailFieldWithGivenMaxLengthModel
+
+        serializer = EmailFieldSerializer(data={})
+        self.assertEqual(serializer.is_valid(), True)
+        self.assertEqual(getattr(serializer.fields['email_field'], 'max_length'), 150)
+
+    def test_given_serializer_value(self):
+        class EmailFieldSerializer(serializers.ModelSerializer):
+            email_field = serializers.EmailField(source='email_field', max_length=20, required=False)
+
+            class Meta:
+                model = self.EmailFieldModel
+
+        serializer = EmailFieldSerializer(data={})
+        self.assertEqual(serializer.is_valid(), True)
+        self.assertEqual(getattr(serializer.fields['email_field'], 'max_length'), 20)
+
+
+class SlugFieldTests(TestCase):
+    """
+    Tests for SlugField attribute values
+    """
+
+    class SlugFieldModel(RESTFrameworkModel):
+        slug_field = models.SlugField(blank=True)
+
+    class SlugFieldWithGivenMaxLengthModel(RESTFrameworkModel):
+        slug_field = models.SlugField(max_length=84, blank=True)
+
+    def test_default_model_value(self):
+        class SlugFieldSerializer(serializers.ModelSerializer):
+            class Meta:
+                model = self.SlugFieldModel
+
+        serializer = SlugFieldSerializer(data={})
+        self.assertEqual(serializer.is_valid(), True)
+        self.assertEqual(getattr(serializer.fields['slug_field'], 'max_length'), 50)
+
+    def test_given_model_value(self):
+        class SlugFieldSerializer(serializers.ModelSerializer):
+            class Meta:
+                model = self.SlugFieldWithGivenMaxLengthModel
+
+        serializer = SlugFieldSerializer(data={})
+        self.assertEqual(serializer.is_valid(), True)
+        self.assertEqual(getattr(serializer.fields['slug_field'], 'max_length'), 84)
+
+    def test_given_serializer_value(self):
+        class SlugFieldSerializer(serializers.ModelSerializer):
+            slug_field = serializers.SlugField(source='slug_field', max_length=20, required=False)
+
+            class Meta:
+                model = self.SlugFieldModel
+
+        serializer = SlugFieldSerializer(data={})
+        self.assertEqual(serializer.is_valid(), True)
+        self.assertEqual(getattr(serializer.fields['slug_field'], 'max_length'), 20)
+
+
+class URLFieldTests(TestCase):
+    """
+    Tests for URLField attribute values
+    """
+
+    class URLFieldModel(RESTFrameworkModel):
+        url_field = models.URLField(blank=True)
+
+    class URLFieldWithGivenMaxLengthModel(RESTFrameworkModel):
+        url_field = models.URLField(max_length=128, blank=True)
+
+    def test_default_model_value(self):
+        class URLFieldSerializer(serializers.ModelSerializer):
+            class Meta:
+                model = self.URLFieldModel
+
+        serializer = URLFieldSerializer(data={})
+        self.assertEqual(serializer.is_valid(), True)
+        self.assertEqual(getattr(serializer.fields['url_field'], 'max_length'), 200)
+
+    def test_given_model_value(self):
+        class URLFieldSerializer(serializers.ModelSerializer):
+            class Meta:
+                model = self.URLFieldWithGivenMaxLengthModel
+
+        serializer = URLFieldSerializer(data={})
+        self.assertEqual(serializer.is_valid(), True)
+        self.assertEqual(getattr(serializer.fields['url_field'], 'max_length'), 128)
+
+    def test_given_serializer_value(self):
+        class URLFieldSerializer(serializers.ModelSerializer):
+            url_field = serializers.URLField(source='url_field', max_length=20, required=False)
+
+            class Meta:
+                model = self.URLFieldWithGivenMaxLengthModel
+
+        serializer = URLFieldSerializer(data={})
+        self.assertEqual(serializer.is_valid(), True)
+        self.assertEqual(getattr(serializer.fields['url_field'], 'max_length'), 20)
+
+
 class HumanizedFieldType(TestCase):
     def test_standard_type_classes(self):
         for field_type_name in forms.fields.__all__:

rest_framework/tests/generics.py

@@ -121,7 +121,26 @@ class TestRootView(TestCase):
                 'text/html'
             ],
             'name': 'Root',
-            'description': 'Example description for OPTIONS.'
+            'description': 'Example description for OPTIONS.',
+            'actions': {}
+        }
+        # TODO: this is just a draft for fields' metadata - needs review and decision
+        for method in ('GET', 'POST',):
+            expected['actions'][method] = {
+                'text': {
+                    #'description': '',
+                    'label': None,
+                    'read_only': False,
+                    'required': True,
+                    'type': 'Single Character',
+                },
+                'id': {
+                    #'description': '',
+                    'label': None,
+                    'read_only': True,
+                    'required': False,
+                    'type': 'Integer',
+                },
             }
         self.assertEqual(response.status_code, status.HTTP_200_OK)
         self.assertEqual(response.data, expected)
@@ -238,7 +257,26 @@ class TestInstanceView(TestCase):
                 'text/html'
             ],
             'name': 'Instance',
-            'description': 'Example description for OPTIONS.'
+            'description': 'Example description for OPTIONS.',
+            'actions': {}
+        }
+        # TODO: this is just a draft idea for fields' metadata - needs review and decision
+        for method in ('GET', 'PATCH', 'PUT', 'DELETE'):
+            expected['actions'][method] = {
+                'text': {
+                    #'description': '',
+                    'label': None,
+                    'read_only': False,
+                    'required': True,
+                    'type': 'Single Character',
+                },
+                'id': {
+                    #'description': '',
+                    'label': None,
+                    'read_only': True,
+                    'required': False,
+                    'type': 'Integer',
+                },
             }
         self.assertEqual(response.status_code, status.HTTP_200_OK)
         self.assertEqual(response.data, expected)

rest_framework/tests/htmlrenderer.py

@@ -66,19 +66,19 @@ class TemplateHTMLRendererTests(TestCase):
     def test_simple_html_view(self):
         response = self.client.get('/')
         self.assertContains(response, "example: foobar")
-        self.assertEqual(response['Content-Type'], 'text/html')
+        self.assertEqual(response['Content-Type'], 'text/html; charset=utf-8')
 
     def test_not_found_html_view(self):
         response = self.client.get('/not_found')
         self.assertEqual(response.status_code, status.HTTP_404_NOT_FOUND)
         self.assertEqual(response.content, six.b("404 Not Found"))
-        self.assertEqual(response['Content-Type'], 'text/html')
+        self.assertEqual(response['Content-Type'], 'text/html; charset=utf-8')
 
     def test_permission_denied_html_view(self):
         response = self.client.get('/permission_denied')
         self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
         self.assertEqual(response.content, six.b("403 Forbidden"))
-        self.assertEqual(response['Content-Type'], 'text/html')
+        self.assertEqual(response['Content-Type'], 'text/html; charset=utf-8')
 
 
 class TemplateHTMLRendererExceptionTests(TestCase):
@@ -109,10 +109,10 @@ class TemplateHTMLRendererExceptionTests(TestCase):
         response = self.client.get('/not_found')
         self.assertEqual(response.status_code, status.HTTP_404_NOT_FOUND)
         self.assertEqual(response.content, six.b("404: Not found"))
-        self.assertEqual(response['Content-Type'], 'text/html')
+        self.assertEqual(response['Content-Type'], 'text/html; charset=utf-8')
 
     def test_permission_denied_html_view_with_template(self):
         response = self.client.get('/permission_denied')
         self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
         self.assertEqual(response.content, six.b("403: Permission denied"))
-        self.assertEqual(response['Content-Type'], 'text/html')
+        self.assertEqual(response['Content-Type'], 'text/html; charset=utf-8')

rest_framework/tests/negotiation.py

@@ -3,19 +3,24 @@ from django.test import TestCase
 from django.test.client import RequestFactory
 from rest_framework.negotiation import DefaultContentNegotiation
 from rest_framework.request import Request
+from rest_framework.renderers import BaseRenderer
 
 
 factory = RequestFactory()
 
 
-class MockJSONRenderer(object):
+class MockJSONRenderer(BaseRenderer):
     media_type = 'application/json'
 
 
-class MockHTMLRenderer(object):
+class MockHTMLRenderer(BaseRenderer):
     media_type = 'text/html'
 
 
+class NoCharsetSpecifiedRenderer(BaseRenderer):
+    media_type = 'my/media'
+
+
 class TestAcceptedMediaType(TestCase):
     def setUp(self):
         self.renderers = [MockJSONRenderer(), MockHTMLRenderer()]

rest_framework/tests/permissions.py

@@ -108,6 +108,51 @@ class ModelPermissionsIntegrationTests(TestCase):
         response = instance_view(request, pk='2')
         self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
 
+    def test_options_permitted(self):
+        request = factory.options('/', content_type='application/json',
+                               HTTP_AUTHORIZATION=self.permitted_credentials)
+        response = root_view(request, pk='1')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertIn('actions', response.data)
+        self.assertEquals(response.data['actions'].keys(), ['POST', 'GET',])
+
+        request = factory.options('/1', content_type='application/json',
+                               HTTP_AUTHORIZATION=self.permitted_credentials)
+        response = instance_view(request, pk='1')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertIn('actions', response.data)
+        self.assertEquals(response.data['actions'].keys(), ['PUT', 'PATCH', 'DELETE', 'GET',])
+
+    def test_options_disallowed(self):
+        request = factory.options('/', content_type='application/json',
+                               HTTP_AUTHORIZATION=self.disallowed_credentials)
+        response = root_view(request, pk='1')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertIn('actions', response.data)
+        self.assertEquals(response.data['actions'].keys(), ['GET',])
+
+        request = factory.options('/1', content_type='application/json',
+                               HTTP_AUTHORIZATION=self.disallowed_credentials)
+        response = instance_view(request, pk='1')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertIn('actions', response.data)
+        self.assertEquals(response.data['actions'].keys(), ['GET',])
+
+    def test_options_updateonly(self):
+        request = factory.options('/', content_type='application/json',
+                               HTTP_AUTHORIZATION=self.updateonly_credentials)
+        response = root_view(request, pk='1')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertIn('actions', response.data)
+        self.assertEquals(response.data['actions'].keys(), ['GET',])
+
+        request = factory.options('/1', content_type='application/json',
+                               HTTP_AUTHORIZATION=self.updateonly_credentials)
+        response = instance_view(request, pk='1')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertIn('actions', response.data)
+        self.assertEquals(response.data['actions'].keys(), ['PUT', 'PATCH', 'GET',])
+
 
 class OwnerModel(models.Model):
     text = models.CharField(max_length=100)

rest_framework/tests/relations_pk.py

 from __future__ import unicode_literals
+from django.db import models
 from django.test import TestCase
 from rest_framework import serializers
 from rest_framework.tests.models import (
@@ -127,6 +128,7 @@ class PKManyToManyTests(TestCase):
         # Ensure source 4 is added, and everything else is as expected
         queryset = ManyToManySource.objects.all()
         serializer = ManyToManySourceSerializer(queryset, many=True)
+        self.assertFalse(serializer.fields['targets'].read_only)
         expected = [
             {'id': 1, 'name': 'source-1', 'targets': [1]},
             {'id': 2, 'name': 'source-2', 'targets': [1, 2]},
@@ -138,6 +140,7 @@ class PKManyToManyTests(TestCase):
     def test_reverse_many_to_many_create(self):
         data = {'id': 4, 'name': 'target-4', 'sources': [1, 3]}
         serializer = ManyToManyTargetSerializer(data=data)
+        self.assertFalse(serializer.fields['sources'].read_only)
         self.assertTrue(serializer.is_valid())
         obj = serializer.save()
         self.assertEqual(serializer.data, data)
@@ -426,8 +429,69 @@ class PKNullableOneToOneTests(TestCase):
         self.assertEqual(serializer.data, expected)
 
 
+# The below models and tests ensure that serializer fields corresponding
+# to a ManyToManyField field with a user-specified ``through`` model are
+# set to read only
+
+
+class ManyToManyThroughTarget(models.Model):
+    name = models.CharField(max_length=100)
+
+
+class ManyToManyThrough(models.Model):
+    source = models.ForeignKey('ManyToManyThroughSource')
+    target = models.ForeignKey(ManyToManyThroughTarget)
+
+
+class ManyToManyThroughSource(models.Model):
+    name = models.CharField(max_length=100)
+    targets = models.ManyToManyField(ManyToManyThroughTarget,
+                                     related_name='sources',
+                                     through='ManyToManyThrough')
+
+
+class ManyToManyThroughTargetSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = ManyToManyThroughTarget
+        fields = ('id', 'name', 'sources')
+
+
+class ManyToManyThroughSourceSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = ManyToManyThroughSource
+        fields = ('id', 'name', 'targets')
+
+
+class PKManyToManyThroughTests(TestCase):
+    def setUp(self):
+        self.source = ManyToManyThroughSource.objects.create(
+            name='through-source-1')
+        self.target = ManyToManyThroughTarget.objects.create(
+            name='through-target-1')
+
+    def test_many_to_many_create(self):
+        data = {'id': 2, 'name': 'source-2', 'targets': [self.target.pk]}
+        serializer = ManyToManyThroughSourceSerializer(data=data)
+        self.assertTrue(serializer.fields['targets'].read_only)
+        self.assertTrue(serializer.is_valid())
+        obj = serializer.save()
+        self.assertEqual(obj.name, 'source-2')
+        self.assertEqual(obj.targets.count(), 0)
+
+    def test_many_to_many_reverse_create(self):
+        data = {'id': 2, 'name': 'target-2', 'sources': [self.source.pk]}
+        serializer = ManyToManyThroughTargetSerializer(data=data)
+        self.assertTrue(serializer.fields['sources'].read_only)
+        self.assertTrue(serializer.is_valid())
+        serializer.save()
+        obj = serializer.save()
+        self.assertEqual(obj.name, 'target-2')
+        self.assertEqual(obj.sources.count(), 0)
+
+
 # Regression tests for #694 (`source` attribute on related fields)
 
+
 class PrimaryKeyRelatedFieldSourceTests(TestCase):
     def test_related_manager_source(self):
         """

rest_framework/tests/renderers.py

+# -*- coding: utf-8 -*-
 from decimal import Decimal
 from django.core.cache import cache
 from django.test import TestCase
@@ -8,7 +9,7 @@ from rest_framework.compat import yaml, etree, patterns, url, include
 from rest_framework.response import Response
 from rest_framework.views import APIView
 from rest_framework.renderers import BaseRenderer, JSONRenderer, YAMLRenderer, \
-    XMLRenderer, JSONPRenderer, BrowsableAPIRenderer
+    XMLRenderer, JSONPRenderer, BrowsableAPIRenderer, UnicodeJSONRenderer
 from rest_framework.parsers import YAMLParser, XMLParser
 from rest_framework.settings import api_settings
 from rest_framework.compat import StringIO
@@ -254,6 +255,23 @@ class JSONRendererTests(TestCase):
         content = renderer.render(obj, 'application/json; indent=2')
         self.assertEqual(strip_trailing_whitespace(content), _indented_repr)
 
+    def test_check_ascii(self):
+        obj = {'countries': ['United Kingdom', 'France', 'España']}
+        renderer = JSONRenderer()
+        content = renderer.render(obj, 'application/json')
+        self.assertEqual(content, '{"countries": ["United Kingdom", "France", "Espa\\u00f1a"]}')
+
+
+class UnicodeJSONRendererTests(TestCase):
+    """
+    Tests specific for the Unicode JSON Renderer
+    """
+    def test_proper_encoding(self):
+        obj = {'countries': ['United Kingdom', 'France', 'España']}
+        renderer = UnicodeJSONRenderer()
+        content = renderer.render(obj, 'application/json')
+        self.assertEqual(content, '{"countries": ["United Kingdom", "France", "España"]}')
+
 
 class JSONPRendererTests(TestCase):
     """

rest_framework/tests/response.py

@@ -21,6 +21,9 @@ class MockJsonRenderer(BaseRenderer):
     media_type = 'application/json'
 
 
+class MockTextMediaRenderer(BaseRenderer):
+    media_type = 'text/html'
+
 DUMMYSTATUS = status.HTTP_200_OK
 DUMMYCONTENT = 'dummycontent'
 
@@ -44,13 +47,26 @@ class RendererB(BaseRenderer):
         return RENDERER_B_SERIALIZER(data)
 
 
+class RendererC(RendererB):
+    media_type = 'mock/rendererc'
+    format = 'formatc'
+    charset = "rendererc"
+
+
 class MockView(APIView):
-    renderer_classes = (RendererA, RendererB)
+    renderer_classes = (RendererA, RendererB, RendererC)
 
     def get(self, request, **kwargs):
         return Response(DUMMYCONTENT, status=DUMMYSTATUS)
 
 
+class MockViewSettingCharset(APIView):
+    renderer_classes = (RendererA, RendererB, RendererC)
+
+    def get(self, request, **kwargs):
+        return Response(DUMMYCONTENT, status=DUMMYSTATUS, charset='setbyview')
+
+
 class HTMLView(APIView):
     renderer_classes = (BrowsableAPIRenderer, )
 
@@ -64,10 +80,10 @@ class HTMLView1(APIView):
     def get(self, request, **kwargs):
         return Response('text')
 
-
 urlpatterns = patterns('',
-    url(r'^.*\.(?P<format>.+)$', MockView.as_view(renderer_classes=[RendererA, RendererB])),
-    url(r'^$', MockView.as_view(renderer_classes=[RendererA, RendererB])),
+    url(r'^setbyview$', MockViewSettingCharset.as_view(renderer_classes=[RendererA, RendererB, RendererC])),
+    url(r'^.*\.(?P<format>.+)$', MockView.as_view(renderer_classes=[RendererA, RendererB, RendererC])),
+    url(r'^$', MockView.as_view(renderer_classes=[RendererA, RendererB, RendererC])),
     url(r'^html$', HTMLView.as_view()),
     url(r'^html1$', HTMLView1.as_view()),
     url(r'^restframework', include('rest_framework.urls', namespace='rest_framework'))
@@ -173,3 +189,38 @@ class Issue122Tests(TestCase):
         Test if no infinite recursion occurs.
         """
         self.client.get('/html1')
+
+
+class Issue807Testts(TestCase):
+    """
+    Covers #807
+    """
+
+    urls = 'rest_framework.tests.response'
+
+    def test_does_not_append_charset_by_default(self):
+        """
+        Renderers don't include a charset unless set explicitly.
+        """
+        headers = {"HTTP_ACCEPT": RendererA.media_type}
+        resp = self.client.get('/', **headers)
+        self.assertEqual(RendererA.media_type, resp['Content-Type'])
+
+    def test_if_there_is_charset_specified_on_renderer_it_gets_appended(self):
+        """
+        If renderer class has charset attribute declared, it gets appended
+        to Response's Content-Type
+        """
+        headers = {"HTTP_ACCEPT": RendererC.media_type}
+        resp = self.client.get('/', **headers)
+        expected = "{0}; charset={1}".format(RendererC.media_type, RendererC.charset)
+        self.assertEqual(expected, resp['Content-Type'])
+
+    def test_charset_set_explictly_on_response(self):
+        """
+        The charset may be set explictly on the response.
+        """
+        headers = {"HTTP_ACCEPT": RendererC.media_type}
+        resp = self.client.get('/setbyview', **headers)
+        expected = "{0}; charset={1}".format(RendererC.media_type, 'setbyview')
+        self.assertEqual(expected, resp['Content-Type'])

rest_framework/tests/serializer.py

 from __future__ import unicode_literals
 from django.db import models
 from django.db.models.fields import BLANK_CHOICE_DASH
-from django.utils.datastructures import MultiValueDict
 from django.test import TestCase
+from django.utils.datastructures import MultiValueDict
+from django.utils.translation import ugettext_lazy as _
 from rest_framework import serializers
 from rest_framework.tests.models import (HasPositiveIntegerAsChoice, Album, ActionItem, Anchor, BasicModel,
     BlankFieldModel, BlogPost, BlogPostComment, Book, CallableDefaultValueModel, DefaultValueModel,
-    ManyToManyModel, Person, ReadOnlyManyToManyModel, Photo)
+    ManyToManyModel, Person, ReadOnlyManyToManyModel, Photo, RESTFrameworkModel)
 import datetime
 import pickle
 
@@ -91,6 +92,17 @@ class PersonSerializer(serializers.ModelSerializer):
         read_only_fields = ('age',)
 
 
+class NestedSerializer(serializers.Serializer):
+    info = serializers.Field()
+
+
+class ModelSerializerWithNestedSerializer(serializers.ModelSerializer):
+    nested = NestedSerializer(source='*')
+
+    class Meta:
+        model = Person
+
+
 class PersonSerializerInvalidReadOnly(serializers.ModelSerializer):
     """
     Testing for #652.
@@ -418,6 +430,17 @@ class ValidationTests(TestCase):
         except:
             self.fail('Wrong exception type thrown.')
 
+    def test_writable_star_source_on_nested_serializer(self):
+        """
+        Assert that a nested serializer instantiated with source='*' correctly
+        expands the data into the outer serializer.
+        """
+        serializer = ModelSerializerWithNestedSerializer(data={
+            'name': 'marko',
+            'nested': {'info': 'hi'}},
+        )
+        self.assertEqual(serializer.is_valid(), True)
+
 
 class CustomValidationTests(TestCase):
     class CommentSerializerWithFieldValidator(CommentSerializer):
@@ -1117,6 +1140,63 @@ class SerializerChoiceFields(TestCase):
         )
 
 
+# Regression tests for #675
+class Ticket(models.Model):
+    assigned = models.ForeignKey(
+        Person, related_name='assigned_tickets')
+    reviewer = models.ForeignKey(
+        Person, blank=True, null=True, related_name='reviewed_tickets')
+
+
+class SerializerRelatedChoicesTest(TestCase):
+
+    def setUp(self):
+        super(SerializerRelatedChoicesTest, self).setUp()
+
+        class RelatedChoicesSerializer(serializers.ModelSerializer):
+            class Meta:
+                model = Ticket
+                fields = ('assigned', 'reviewer')
+
+        self.related_fields_serializer = RelatedChoicesSerializer
+
+    def test_empty_queryset_required(self):
+        serializer = self.related_fields_serializer()
+        self.assertEqual(serializer.fields['assigned'].queryset.count(), 0)
+        self.assertEqual(
+            [x for x in serializer.fields['assigned'].widget.choices],
+            []
+        )
+
+    def test_empty_queryset_not_required(self):
+        serializer = self.related_fields_serializer()
+        self.assertEqual(serializer.fields['reviewer'].queryset.count(), 0)
+        self.assertEqual(
+            [x for x in serializer.fields['reviewer'].widget.choices],
+            [('', '---------')]
+        )
+
+    def test_with_some_persons_required(self):
+        Person.objects.create(name="Lionel Messi")
+        Person.objects.create(name="Xavi Hernandez")
+        serializer = self.related_fields_serializer()
+        self.assertEqual(serializer.fields['assigned'].queryset.count(), 2)
+        self.assertEqual(
+            [x for x in serializer.fields['assigned'].widget.choices],
+            [(1, 'Person object - 1'), (2, 'Person object - 2')]
+        )
+
+    def test_with_some_persons_not_required(self):
+        Person.objects.create(name="Lionel Messi")
+        Person.objects.create(name="Xavi Hernandez")
+        serializer = self.related_fields_serializer()
+        self.assertEqual(serializer.fields['reviewer'].queryset.count(), 2)
+        self.assertEqual(
+            [x for x in serializer.fields['reviewer'].widget.choices],
+            [('', '---------'), (1, 'Person object - 1'), (2, 'Person object - 2')]
+        )
+
+
 class DepthTest(TestCase):
     def test_implicit_nesting(self):
 
@@ -1242,3 +1322,185 @@ class DeserializeListTestCase(TestCase):
         self.assertFalse(serializer.is_valid())
         expected = [{}, {'email': ['This field is required.']}, {}]
         self.assertEqual(serializer.errors, expected)
+
+
+# test for issue 747
+
+
+class LazyStringModel(object):
+    def __init__(self, lazystring):
+        self.lazystring = lazystring
+
+
+class LazyStringSerializer(serializers.Serializer):
+    lazystring = serializers.Field()
+
+    def restore_object(self, attrs, instance=None):
+        if instance is not None:
+            instance.lazystring = attrs.get('lazystring', instance.lazystring)
+            return instance
+        return LazyStringModel(**attrs)
+
+
+class LazyStringsTestCase(TestCase):
+    def setUp(self):
+        self.model = LazyStringModel(lazystring=_('lazystring'))
+
+    def test_lazy_strings_are_translated(self):
+        serializer = LazyStringSerializer(self.model)
+        self.assertEqual(type(serializer.data['lazystring']),
+                         type('lazystring'))
+
+
+class AttributeMappingOnAutogeneratedFieldsTests(TestCase):
+
+    def setUp(self):
+        class AMOAFModel(RESTFrameworkModel):
+            char_field = models.CharField(max_length=1024, blank=True)
+            comma_separated_integer_field = models.CommaSeparatedIntegerField(max_length=1024, blank=True)
+            decimal_field = models.DecimalField(max_digits=64, decimal_places=32, blank=True)
+            email_field = models.EmailField(max_length=1024, blank=True)
+            file_field = models.FileField(max_length=1024, blank=True)
+            image_field = models.ImageField(max_length=1024, blank=True)
+            slug_field = models.SlugField(max_length=1024, blank=True)
+            url_field = models.URLField(max_length=1024, blank=True)
+
+        class AMOAFSerializer(serializers.ModelSerializer):
+            class Meta:
+                model = AMOAFModel
+
+        self.serializer_class = AMOAFSerializer
+        self.fields_attributes = {
+            'char_field': [
+                ('max_length', 1024),
+            ],
+            'comma_separated_integer_field': [
+                ('max_length', 1024),
+            ],
+            'decimal_field': [
+                ('max_digits', 64),
+                ('decimal_places', 32),
+            ],
+            'email_field': [
+                ('max_length', 1024),
+            ],
+            'file_field': [
+                ('max_length', 1024),
+            ],
+            'image_field': [
+                ('max_length', 1024),
+            ],
+            'slug_field': [
+                ('max_length', 1024),
+            ],
+            'url_field': [
+                ('max_length', 1024),
+            ],
+        }
+
+    def field_test(self, field):
+        serializer = self.serializer_class(data={})
+        self.assertEqual(serializer.is_valid(), True)
+
+        for attribute in self.fields_attributes[field]:
+            self.assertEqual(
+                getattr(serializer.fields[field], attribute[0]),
+                attribute[1]
+            )
+
+    def test_char_field(self):
+        self.field_test('char_field')
+
+    def test_comma_separated_integer_field(self):
+        self.field_test('comma_separated_integer_field')
+
+    def test_decimal_field(self):
+        self.field_test('decimal_field')
+
+    def test_email_field(self):
+        self.field_test('email_field')
+
+    def test_file_field(self):
+        self.field_test('file_field')
+
+    def test_image_field(self):
+        self.field_test('image_field')
+
+    def test_slug_field(self):
+        self.field_test('slug_field')
+
+    def test_url_field(self):
+        self.field_test('url_field')
+
+
+class DefaultValuesOnAutogeneratedFieldsTests(TestCase):
+
+    def setUp(self):
+        class DVOAFModel(RESTFrameworkModel):
+            positive_integer_field = models.PositiveIntegerField(blank=True)
+            positive_small_integer_field = models.PositiveSmallIntegerField(blank=True)
+            email_field = models.EmailField(blank=True)
+            file_field = models.FileField(blank=True)
+            image_field = models.ImageField(blank=True)
+            slug_field = models.SlugField(blank=True)
+            url_field = models.URLField(blank=True)
+
+        class DVOAFSerializer(serializers.ModelSerializer):
+            class Meta:
+                model = DVOAFModel
+
+        self.serializer_class = DVOAFSerializer
+        self.fields_attributes = {
+            'positive_integer_field': [
+                ('min_value', 0),
+            ],
+            'positive_small_integer_field': [
+                ('min_value', 0),
+            ],
+            'email_field': [
+                ('max_length', 75),
+            ],
+            'file_field': [
+                ('max_length', 100),
+            ],
+            'image_field': [
+                ('max_length', 100),
+            ],
+            'slug_field': [
+                ('max_length', 50),
+            ],
+            'url_field': [
+                ('max_length', 200),
+            ],
+        }
+
+    def field_test(self, field):
+        serializer = self.serializer_class(data={})
+        self.assertEqual(serializer.is_valid(), True)
+
+        for attribute in self.fields_attributes[field]:
+            self.assertEqual(
+                getattr(serializer.fields[field], attribute[0]),
+                attribute[1]
+            )
+
+    def test_positive_integer_field(self):
+        self.field_test('positive_integer_field')
+
+    def test_positive_small_integer_field(self):
+        self.field_test('positive_small_integer_field')
+
+    def test_email_field(self):
+        self.field_test('email_field')
+
+    def test_file_field(self):
+        self.field_test('file_field')
+
+    def test_image_field(self):
+        self.field_test('image_field')
+
+    def test_slug_field(self):
+        self.field_test('slug_field')
+
+    def test_url_field(self):
+        self.field_test('url_field')

rest_framework/views.py

@@ -71,6 +71,10 @@ class APIView(View):
         actions = {}
 
         for method in self.allowed_methods:
+            # skip HEAD and OPTIONS
+            if method in ('HEAD', 'OPTIONS'):
+                continue
+
             cloned_request = clone_request(request, method)
             try:
                 self.check_permissions(cloned_request)
@@ -81,11 +85,13 @@ class APIView(View):
                     field_name_types = {}
                     for name, field in serializer.fields.iteritems():
                         from rest_framework.fields import humanize_field
-                        humanize_field(field)
-                        field_name_types[name] = field.__class__.__name__
+                        field_name_types[name] = humanize_field(field)
 
                 actions[method] = field_name_types
-            except:
+            except exceptions.PermissionDenied:
+                # don't add this method
+                pass
+            except exceptions.NotAuthenticated:
                 # don't add this method
                 pass