mirror of
https://github.com/encode/django-rest-framework.git
synced 2025-03-19 17:34:13 +03:00
Fixing some of the last blocking issues
This commit is contained in:
parent
e92002ddde
commit
1e04790d50
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@ -516,7 +516,7 @@ class CreateModelMixin(object):
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instance.save()
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headers = {}
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if hasattr(instance, 'get_absolute_url'):
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headers['Location'] = instance.get_absolute_url()
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headers['Location'] = self.resource(self).url(instance)
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return Response(status.HTTP_201_CREATED, instance, headers)
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@ -569,10 +569,27 @@ class ListModelMixin(object):
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"""
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Behavior to list a set of model instances on GET requests
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"""
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# NB. Not obvious to me if it would be better to set this on the resource?
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#
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# Presumably it's more useful to have on the view, because that way you can
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# have multiple views across different querysets mapping to the same resource.
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#
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# Perhaps it ought to be:
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#
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# 1) View.queryset
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# 2) if None fall back to Resource.queryset
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# 3) if None fall back to Resource.model.objects.all()
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#
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# Any feedback welcomed.
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queryset = None
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def get(self, request, *args, **kwargs):
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queryset = self.queryset if self.queryset else self.resource.model.objects.all()
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ordering = getattr(self.resource, 'ordering', None)
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if ordering:
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args = as_tuple(ordering)
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queryset = queryset.order_by(*args)
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return queryset.filter(**kwargs)
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@ -251,8 +251,8 @@ class DocumentingTemplateRenderer(BaseRenderer):
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'form': form_instance,
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'login_url': login_url,
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'logout_url': logout_url,
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'ACCEPT_PARAM': self.view._ACCEPT_QUERY_PARAM,
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'METHOD_PARAM': self.view._METHOD_PARAM,
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'ACCEPT_PARAM': getattr(self.view, '_ACCEPT_QUERY_PARAM', None),
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'METHOD_PARAM': getattr(self.view, '_METHOD_PARAM', None),
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'ADMIN_MEDIA_PREFIX': settings.ADMIN_MEDIA_PREFIX
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})
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@ -5,6 +5,9 @@ from django.db.models.query import QuerySet
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from django.db.models.fields.related import RelatedField
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from django.utils.encoding import smart_unicode
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from djangorestframework.response import ErrorResponse
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from djangorestframework.utils import as_tuple
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import decimal
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import inspect
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import re
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@ -12,6 +15,10 @@ import re
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# TODO: _IgnoreFieldException
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# Map model classes to resource classes
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#_model_to_resource = {}
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def _model_to_dict(instance, resource=None):
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"""
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Given a model instance, return a ``dict`` representing the model.
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@ -179,18 +186,31 @@ class FormResource(Resource):
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return self._validate(data, files)
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def _validate(self, data, files, allowed_extra_fields=()):
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def _validate(self, data, files, allowed_extra_fields=(), fake_data=None):
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"""
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Wrapped by validate to hide the extra_fields option that the ModelValidatorMixin uses.
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extra_fields is a list of fields which are not defined by the form, but which we still
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expect to see on the input.
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"""
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# We'd like nice error messages even if no content is supplied.
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# Typically if an empty dict is given to a form Django will
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# return .is_valid() == False, but .errors == {}
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#
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# To get around this case we revalidate with some fake data.
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if fake_data:
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data[fake_data] = '_fake_data'
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allowed_extra_fields = allowed_extra_fields + ('_fake_data',)
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bound_form = self.get_bound_form(data, files)
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if bound_form is None:
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return data
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self.view.bound_form_instance = bound_form
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data = data and data or {}
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files = files and files or {}
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seen_fields_set = set(data.keys())
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form_fields_set = set(bound_form.fields.keys())
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@ -198,6 +218,7 @@ class FormResource(Resource):
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# In addition to regular validation we also ensure no additional fields are being passed in...
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unknown_fields = seen_fields_set - (form_fields_set | allowed_extra_fields_set)
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unknown_fields = unknown_fields - set(('csrfmiddlewaretoken',))
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# Check using both regular validation, and our stricter no additional fields rule
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if bound_form.is_valid() and not unknown_fields:
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@ -216,6 +237,13 @@ class FormResource(Resource):
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detail = {}
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if not bound_form.errors and not unknown_fields:
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# is_valid() was False, but errors was empty.
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# If we havn't already done so attempt revalidation with some fake data
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# to force django to give us an errors dict.
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if fake_data is None:
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return self._validate(data, files, allowed_extra_fields, '_fake_data')
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# If we've already set fake_dict and we're still here, fallback gracefully.
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detail = {u'errors': [u'No content was supplied.']}
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else:
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@ -256,12 +284,29 @@ class FormResource(Resource):
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return self.form()
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#class _RegisterModelResource(type):
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# """
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# Auto register new ModelResource classes into ``_model_to_resource``
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# """
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# def __new__(cls, name, bases, dct):
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# resource_cls = type.__new__(cls, name, bases, dct)
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# model_cls = dct.get('model', None)
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# if model_cls:
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# _model_to_resource[model_cls] = resource_cls
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# return resource_cls
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class ModelResource(FormResource):
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"""
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Resource class that uses forms for validation and otherwise falls back to a model form if no form is set.
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Also provides a get_bound_form() method which may be used by some renderers.
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"""
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# Auto-register new ModelResource classes into _model_to_resource
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#__metaclass__ = _RegisterModelResource
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"""
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The form class that should be used for request validation.
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If set to ``None`` then the default model form validation will be used.
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@ -314,7 +359,7 @@ class ModelResource(FormResource):
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return self._validate(data, files, allowed_extra_fields=self._property_fields_set)
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def get_bound_form(self, content=None):
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def get_bound_form(self, data=None, files=None):
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"""
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Given some content return a ``Form`` instance bound to that content.
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@ -334,11 +379,11 @@ class ModelResource(FormResource):
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#fields = tuple(self._model_fields_set)
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# Instantiate the ModelForm as appropriate
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if content and isinstance(content, models.Model):
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if data and isinstance(data, models.Model):
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# Bound to an existing model instance
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return OnTheFlyModelForm(instance=content)
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elif content is not None:
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return OnTheFlyModelForm(content)
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elif data is not None:
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return OnTheFlyModelForm(data, files)
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return OnTheFlyModelForm()
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# Both form and model not set? Okay bruv, whatevs...
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@ -364,7 +409,19 @@ class ModelResource(FormResource):
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# pattern = tuple_item[1]
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# Note: defaults = tuple_item[2] for django >= 1.3
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for result, params in possibility:
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instance_attrs = dict([ (param, getattr(instance, param)) for param in params if hasattr(instance, param) ])
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#instance_attrs = dict([ (param, getattr(instance, param)) for param in params if hasattr(instance, param) ])
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instance_attrs = {}
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for param in params:
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if not hasattr(instance, param):
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continue
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attr = getattr(instance, param)
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if isinstance(attr, models.Model):
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instance_attrs[param] = attr.pk
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else:
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instance_attrs[param] = attr
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try:
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return reverse(self.view_callable[0], kwargs=instance_attrs)
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except NoReverseMatch:
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@ -393,7 +450,7 @@ class ModelResource(FormResource):
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isinstance(getattr(self.model, attr, None), property)
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and not attr.startswith('_'))
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if fields:
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if self.fields:
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return property_fields & set(as_tuple(self.fields))
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return property_fields - set(as_tuple(self.exclude))
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return property_fields.union(set(as_tuple(self.include))) - set(as_tuple(self.exclude))
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@ -21,26 +21,10 @@ class BlogPost(models.Model):
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created = models.DateTimeField(auto_now_add=True)
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slug = models.SlugField(editable=False, default='')
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class Meta:
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ordering = ('created',)
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@models.permalink
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def get_absolute_url(self):
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return ('blog-post', (), {'key': self.key})
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@property
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@models.permalink
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def comments_url(self):
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"""Link to a resource which lists all comments for this blog post."""
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return ('comments', (), {'blogpost': self.key})
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def __unicode__(self):
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return self.title
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def save(self, *args, **kwargs):
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self.slug = slugify(self.title)
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super(self.__class__, self).save(*args, **kwargs)
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for obj in self.__class__.objects.order_by('-pk')[MAX_POSTS:]:
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for obj in self.__class__.objects.order_by('-created')[MAX_POSTS:]:
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obj.delete()
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@ -51,16 +35,3 @@ class Comment(models.Model):
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rating = models.IntegerField(blank=True, null=True, choices=RATING_CHOICES, help_text='How did you rate this post?')
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created = models.DateTimeField(auto_now_add=True)
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class Meta:
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ordering = ('created',)
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@models.permalink
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def get_absolute_url(self):
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return ('comment', (), {'blogpost': self.blogpost.key, 'id': self.id})
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@property
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@models.permalink
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def blogpost_url(self):
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"""Link to the blog post resource which this comment corresponds to."""
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return ('blog-post', (), {'key': self.blogpost.key})
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@ -1,9 +1,28 @@
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from django.conf.urls.defaults import patterns, url
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from blogpost.views import BlogPosts, BlogPostInstance, Comments, CommentInstance
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from django.core.urlresolvers import reverse
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from djangorestframework.views import ListOrCreateModelView, InstanceModelView
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from djangorestframework.resources import ModelResource
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from blogpost.models import BlogPost, Comment
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class BlogPostResource(ModelResource):
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model = BlogPost
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fields = ('created', 'title', 'slug', 'content', 'url', 'comments')
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ordering = ('-created',)
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def comments(self, instance):
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return reverse('comments', kwargs={'blogpost': instance.key})
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class CommentResource(ModelResource):
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model = Comment
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fields = ('username', 'comment', 'created', 'rating', 'url', 'blogpost')
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ordering = ('-created',)
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urlpatterns = patterns('',
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url(r'^$', BlogPosts.as_view(), name='blog-posts'),
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url(r'^(?P<key>[^/]+)/$', BlogPostInstance.as_view(), name='blog-post'),
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url(r'^(?P<blogpost>[^/]+)/comments/$', Comments.as_view(), name='comments'),
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url(r'^(?P<blogpost>[^/]+)/comments/(?P<id>[^/]+)/$', CommentInstance.as_view(), name='comment'),
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)
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url(r'^$', ListOrCreateModelView.as_view(resource=BlogPostResource), name='blog-posts-root'),
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url(r'^(?P<key>[^/]+)/$', InstanceModelView.as_view(resource=BlogPostResource)),
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url(r'^(?P<blogpost>[^/]+)/comments/$', ListOrCreateModelView.as_view(resource=CommentResource), name='comments'),
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url(r'^(?P<blogpost>[^/]+)/comments/(?P<id>[^/]+)/$', InstanceModelView.as_view(resource=CommentResource)),
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)
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@ -7,17 +7,13 @@ class MyModel(models.Model):
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bar = models.IntegerField(help_text='Must be an integer.')
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baz = models.CharField(max_length=32, help_text='Free text. Max length 32 chars.')
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created = models.DateTimeField(auto_now_add=True)
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class Meta:
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ordering = ('created',)
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def save(self, *args, **kwargs):
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"""For the purposes of the sandbox, limit the maximum number of stored models."""
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"""
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For the purposes of the sandbox limit the maximum number of stored models.
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"""
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super(MyModel, self).save(*args, **kwargs)
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while MyModel.objects.all().count() > MAX_INSTANCES:
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MyModel.objects.all()[0].delete()
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@models.permalink
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def get_absolute_url(self):
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return ('my-model-resource', (self.pk,))
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MyModel.objects.all().order_by('-created')[0].delete()
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@ -1,7 +1,14 @@
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from django.conf.urls.defaults import patterns, url
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from modelresourceexample.views import MyModelRootResource, MyModelResource
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from djangorestframework.views import ListOrCreateModelView, InstanceModelView
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from djangorestframework.resources import ModelResource
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from modelresourceexample.models import MyModel
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class MyModelResource(ModelResource):
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model = MyModel
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fields = ('foo', 'bar', 'baz', 'url')
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ordering = ('created',)
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urlpatterns = patterns('modelresourceexample.views',
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url(r'^$', MyModelRootResource.as_view(), name='my-model-root-resource'),
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url(r'^([0-9]+)/$', MyModelResource.as_view(), name='my-model-resource'),
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url(r'^$', ListOrCreateModelView.as_view(resource=MyModelResource), name='model-resource-root'),
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url(r'^([0-9]+)/$', InstanceModelView.as_view(resource=MyModelResource)),
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)
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@ -1,16 +0,0 @@
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from djangorestframework.modelresource import InstanceModelResource, ListOrCreateModelResource
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from modelresourceexample.models import MyModel
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FIELDS = ('foo', 'bar', 'baz', 'absolute_url')
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class MyModelRootResource(ListOrCreateModelResource):
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"""A create/list resource for MyModel.
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Available for both authenticated and anonymous access for the purposes of the sandbox."""
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model = MyModel
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fields = FIELDS
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class MyModelResource(InstanceModelResource):
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"""A read/update/delete resource for MyModel.
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Available for both authenticated and anonymous access for the purposes of the sandbox."""
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model = MyModel
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fields = FIELDS
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@ -1,7 +1,7 @@
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from django.conf import settings
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from django.core.urlresolvers import reverse
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from djangorestframework.resource import Resource
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from djangorestframework.views import BaseView
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from djangorestframework.response import Response
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from djangorestframework import status
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@ -15,55 +15,69 @@ MAX_FILES = 10
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def remove_oldest_files(dir, max_files):
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"""Remove the oldest files in a directory 'dir', leaving at most 'max_files' remaining.
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We use this to limit the number of resources in the sandbox."""
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"""
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Remove the oldest files in a directory 'dir', leaving at most 'max_files' remaining.
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We use this to limit the number of resources in the sandbox.
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"""
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filepaths = [os.path.join(dir, file) for file in os.listdir(dir) if not file.startswith('.')]
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ctime_sorted_paths = [item[0] for item in sorted([(path, os.path.getctime(path)) for path in filepaths],
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key=operator.itemgetter(1), reverse=True)]
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[os.remove(path) for path in ctime_sorted_paths[max_files:]]
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class ObjectStoreRoot(Resource):
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"""Root of the Object Store API.
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Allows the client to get a complete list of all the stored objects, or to create a new stored object."""
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allowed_methods = anon_allowed_methods = ('GET', 'POST')
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class ObjectStoreRoot(BaseView):
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"""
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Root of the Object Store API.
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Allows the client to get a complete list of all the stored objects, or to create a new stored object.
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"""
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def get(self, request, auth):
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"""Return a list of all the stored object URLs. (Ordered by creation time, newest first)"""
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def get(self, request):
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"""
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Return a list of all the stored object URLs. (Ordered by creation time, newest first)
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"""
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filepaths = [os.path.join(OBJECT_STORE_DIR, file) for file in os.listdir(OBJECT_STORE_DIR) if not file.startswith('.')]
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ctime_sorted_basenames = [item[0] for item in sorted([(os.path.basename(path), os.path.getctime(path)) for path in filepaths],
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key=operator.itemgetter(1), reverse=True)]
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return [reverse('stored-object', kwargs={'key':key}) for key in ctime_sorted_basenames]
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def post(self, request, auth, content):
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"""Create a new stored object, with a unique key."""
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def post(self, request):
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"""
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Create a new stored object, with a unique key.
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"""
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key = str(uuid.uuid1())
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pathname = os.path.join(OBJECT_STORE_DIR, key)
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pickle.dump(content, open(pathname, 'wb'))
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pickle.dump(self.CONTENT, open(pathname, 'wb'))
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remove_oldest_files(OBJECT_STORE_DIR, MAX_FILES)
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return Response(status.HTTP_201_CREATED, content, {'Location': reverse('stored-object', kwargs={'key':key})})
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return Response(status.HTTP_201_CREATED, self.CONTENT, {'Location': reverse('stored-object', kwargs={'key':key})})
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class StoredObject(Resource):
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"""Represents a stored object.
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The object may be any picklable content."""
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allowed_methods = anon_allowed_methods = ('GET', 'PUT', 'DELETE')
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class StoredObject(BaseView):
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"""
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Represents a stored object.
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The object may be any picklable content.
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"""
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def get(self, request, auth, key):
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"""Return a stored object, by unpickling the contents of a locally stored file."""
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def get(self, request, key):
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"""
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Return a stored object, by unpickling the contents of a locally stored file.
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"""
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pathname = os.path.join(OBJECT_STORE_DIR, key)
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if not os.path.exists(pathname):
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return Response(status.HTTP_404_NOT_FOUND)
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return pickle.load(open(pathname, 'rb'))
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def put(self, request, auth, content, key):
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"""Update/create a stored object, by pickling the request content to a locally stored file."""
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def put(self, request, key):
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"""
|
||||
Update/create a stored object, by pickling the request content to a locally stored file.
|
||||
"""
|
||||
pathname = os.path.join(OBJECT_STORE_DIR, key)
|
||||
pickle.dump(content, open(pathname, 'wb'))
|
||||
return content
|
||||
pickle.dump(self.CONTENT, open(pathname, 'wb'))
|
||||
return self.CONTENT
|
||||
|
||||
def delete(self, request, auth, key):
|
||||
"""Delete a stored object, by removing it's pickled file."""
|
||||
def delete(self, request):
|
||||
"""
|
||||
Delete a stored object, by removing it's pickled file.
|
||||
"""
|
||||
pathname = os.path.join(OBJECT_STORE_DIR, key)
|
||||
if not os.path.exists(pathname):
|
||||
return Response(status.HTTP_404_NOT_FOUND)
|
||||
|
|
|
@ -2,9 +2,10 @@ from __future__ import with_statement # for python 2.5
|
|||
from django.conf import settings
|
||||
from django.core.urlresolvers import reverse
|
||||
|
||||
from djangorestframework.resource import Resource
|
||||
from djangorestframework.resources import FormResource
|
||||
from djangorestframework.response import Response
|
||||
from djangorestframework.renderers import BaseRenderer
|
||||
from djangorestframework.views import BaseView
|
||||
from djangorestframework import status
|
||||
|
||||
from pygments.formatters import HtmlFormatter
|
||||
|
@ -17,39 +18,60 @@ import os
|
|||
import uuid
|
||||
import operator
|
||||
|
||||
# We need somewhere to store the code that we highlight
|
||||
# We need somewhere to store the code snippets that we highlight
|
||||
HIGHLIGHTED_CODE_DIR = os.path.join(settings.MEDIA_ROOT, 'pygments')
|
||||
MAX_FILES = 10
|
||||
|
||||
|
||||
def list_dir_sorted_by_ctime(dir):
|
||||
"""Return a list of files sorted by creation time"""
|
||||
"""
|
||||
Return a list of files sorted by creation time
|
||||
"""
|
||||
filepaths = [os.path.join(dir, file) for file in os.listdir(dir) if not file.startswith('.')]
|
||||
return [item[0] for item in sorted([(path, os.path.getctime(path)) for path in filepaths],
|
||||
key=operator.itemgetter(1), reverse=False)]
|
||||
return [item[0] for item in sorted( [(path, os.path.getctime(path)) for path in filepaths],
|
||||
key=operator.itemgetter(1), reverse=False) ]
|
||||
|
||||
def remove_oldest_files(dir, max_files):
|
||||
"""Remove the oldest files in a directory 'dir', leaving at most 'max_files' remaining.
|
||||
We use this to limit the number of resources in the sandbox."""
|
||||
"""
|
||||
Remove the oldest files in a directory 'dir', leaving at most 'max_files' remaining.
|
||||
We use this to limit the number of resources in the sandbox.
|
||||
"""
|
||||
[os.remove(path) for path in list_dir_sorted_by_ctime(dir)[max_files:]]
|
||||
|
||||
|
||||
class HTMLRenderer(BaseRenderer):
|
||||
"""Basic renderer which just returns the content without any further serialization."""
|
||||
"""
|
||||
Basic renderer which just returns the content without any further serialization.
|
||||
"""
|
||||
media_type = 'text/html'
|
||||
|
||||
|
||||
class PygmentsRoot(Resource):
|
||||
"""This example demonstrates a simple RESTful Web API aound the awesome pygments library.
|
||||
This top level resource is used to create highlighted code snippets, and to list all the existing code snippets."""
|
||||
|
||||
class PygmentsFormResource(FormResource):
|
||||
"""
|
||||
"""
|
||||
form = PygmentsForm
|
||||
|
||||
|
||||
class PygmentsRoot(BaseView):
|
||||
"""
|
||||
This example demonstrates a simple RESTful Web API aound the awesome pygments library.
|
||||
This top level resource is used to create highlighted code snippets, and to list all the existing code snippets.
|
||||
"""
|
||||
resource = PygmentsFormResource
|
||||
|
||||
def get(self, request):
|
||||
"""Return a list of all currently existing snippets."""
|
||||
"""
|
||||
Return a list of all currently existing snippets.
|
||||
"""
|
||||
unique_ids = [os.path.split(f)[1] for f in list_dir_sorted_by_ctime(HIGHLIGHTED_CODE_DIR)]
|
||||
return [reverse('pygments-instance', args=[unique_id]) for unique_id in unique_ids]
|
||||
|
||||
def post(self, request):
|
||||
"""Create a new highlighed snippet and return it's location.
|
||||
For the purposes of the sandbox example, also ensure we delete the oldest snippets if we have > MAX_FILES."""
|
||||
"""
|
||||
Create a new highlighed snippet and return it's location.
|
||||
For the purposes of the sandbox example, also ensure we delete the oldest snippets if we have > MAX_FILES.
|
||||
"""
|
||||
unique_id = str(uuid.uuid1())
|
||||
pathname = os.path.join(HIGHLIGHTED_CODE_DIR, unique_id)
|
||||
|
||||
|
@ -66,20 +88,26 @@ class PygmentsRoot(Resource):
|
|||
return Response(status.HTTP_201_CREATED, headers={'Location': reverse('pygments-instance', args=[unique_id])})
|
||||
|
||||
|
||||
class PygmentsInstance(Resource):
|
||||
"""Simply return the stored highlighted HTML file with the correct mime type.
|
||||
This Resource only renders HTML and uses a standard HTML renderer rather than the renderers.DocumentingHTMLRenderer class."""
|
||||
class PygmentsInstance(BaseView):
|
||||
"""
|
||||
Simply return the stored highlighted HTML file with the correct mime type.
|
||||
This Resource only renders HTML and uses a standard HTML renderer rather than the renderers.DocumentingHTMLRenderer class.
|
||||
"""
|
||||
renderers = (HTMLRenderer,)
|
||||
|
||||
def get(self, request, unique_id):
|
||||
"""Return the highlighted snippet."""
|
||||
"""
|
||||
Return the highlighted snippet.
|
||||
"""
|
||||
pathname = os.path.join(HIGHLIGHTED_CODE_DIR, unique_id)
|
||||
if not os.path.exists(pathname):
|
||||
return Response(status.HTTP_404_NOT_FOUND)
|
||||
return open(pathname, 'r').read()
|
||||
|
||||
def delete(self, request, unique_id):
|
||||
"""Delete the highlighted snippet."""
|
||||
"""
|
||||
Delete the highlighted snippet.
|
||||
"""
|
||||
pathname = os.path.join(HIGHLIGHTED_CODE_DIR, unique_id)
|
||||
if not os.path.exists(pathname):
|
||||
return Response(status.HTTP_404_NOT_FOUND)
|
||||
|
|
|
@ -1,20 +1,33 @@
|
|||
from django.core.urlresolvers import reverse
|
||||
|
||||
from djangorestframework.resource import Resource
|
||||
from djangorestframework.views import BaseView
|
||||
from djangorestframework.resources import FormResource
|
||||
from djangorestframework.response import Response
|
||||
from djangorestframework import status
|
||||
|
||||
from resourceexample.forms import MyForm
|
||||
|
||||
class ExampleResource(Resource):
|
||||
"""A basic read-only resource that points to 3 other resources."""
|
||||
class MyFormValidation(FormResource):
|
||||
"""
|
||||
A resource which applies form validation on the input.
|
||||
"""
|
||||
form = MyForm
|
||||
|
||||
|
||||
class ExampleResource(BaseView):
|
||||
"""
|
||||
A basic read-only resource that points to 3 other resources.
|
||||
"""
|
||||
|
||||
def get(self, request):
|
||||
return {"Some other resources": [reverse('another-example-resource', kwargs={'num':num}) for num in range(3)]}
|
||||
|
||||
class AnotherExampleResource(Resource):
|
||||
"""A basic GET-able/POST-able resource."""
|
||||
form = MyForm # Optional form validation on input (Applies in this case the POST method, but can also apply to PUT)
|
||||
|
||||
class AnotherExampleResource(BaseView):
|
||||
"""
|
||||
A basic GET-able/POST-able resource.
|
||||
"""
|
||||
resource = MyFormValidation
|
||||
|
||||
def get(self, request, num):
|
||||
"""Handle GET requests"""
|
||||
|
|
|
@ -27,8 +27,8 @@ class Sandbox(BaseView):
|
|||
|
||||
def get(self, request):
|
||||
return [{'name': 'Simple Resource example', 'url': reverse('example-resource')},
|
||||
{'name': 'Simple ModelResource example', 'url': reverse('my-model-root-resource')},
|
||||
{'name': 'Simple ModelResource example', 'url': reverse('model-resource-root')},
|
||||
{'name': 'Simple Mixin-only example', 'url': reverse('mixin-view')},
|
||||
{'name': 'Object store API', 'url': reverse('object-store-root')},
|
||||
{'name': 'Code highlighting API', 'url': reverse('pygments-root')},
|
||||
{'name': 'Blog posts API', 'url': reverse('blog-posts')}]
|
||||
{'name': 'Blog posts API', 'url': reverse('blog-posts-root')}]
|
||||
|
|
Loading…
Reference in New Issue
Block a user