Python resources.ModelResource类代码示例

def bundleItemCollection(modelResource, request, items):
    item_list = []
    for item in items:
        bundle = ModelResource.build_bundle(modelResource, obj=item, request=request)
        bundle = ModelResource.full_dehydrate(modelResource, bundle)
        item_list.append(bundle)
    return item_list;

 def _handle_500(self, request, exception):
     if settings.DEBUG == False:
         settings.DEBUG = True
         resp = ModelResource._handle_500(self, request, exception)
         settings.DEBUG = False
         return resp
     else:
         return ModelResource._handle_500(self, request, exception)

    def dispatch_list(self, request, **kwargs):
        """ Handle the dispatching of GFKs. """

        self.method_check(request, allowed=["get", "post"])
        self.is_authenticated(request)
        self.throttle_check(request)

        if "content_type" in kwargs and "object_id" in kwargs and request.method == "POST":
            data = json.loads(request.body)

            if "profile_id" in data:
                profile = get_object_or_404(Profile, pk=data["profile_id"])

            else:
                profile = request.user.profile

            objectprofilelink_item, created = ObjectProfileLink.objects.get_or_create(  # NOQA
                profile=profile,
                content_type=ContentType.objects.get(model=kwargs["content_type"]),
                object_id=kwargs["object_id"],
                level=data["level"],
                detail=data["detail"],
                isValidated=data["isValidated"],
            )
            bundle = self.build_bundle(obj=objectprofilelink_item, request=request)
            bundle = self.full_dehydrate(bundle)
            bundle = self.alter_detail_data_to_serialize(request, bundle)

            return self.create_response(
                request, bundle, response_class=http.HttpCreated, location=self.get_resource_uri(bundle)
            )

        return ModelResource.dispatch_list(self, request, **kwargs)

 def full_dehydrate(self, bundle, for_list=False):
     bundle = ModelResource.full_dehydrate(self, bundle, for_list=for_list)
     bundle.related_obj = self
     if for_list is True:
         fk = fields.ForeignKey(I4pProjectListResource, attribute="master", full=True)
         bundle.data["project"] = fk.dehydrate(bundle)
     return bundle

    def dispatch_list(self, request, **kwargs):
        self.method_check(request, allowed=['get', 'post'])
        self.is_authenticated(request)
        self.throttle_check(request)

        if 'content_type' in kwargs and 'object_id' in kwargs and request.method=="POST":
            data = json.loads(request.body)
            if 'tag' in data:
                tag_obj, created = Tag.objects.get_or_create(name=data['tag'], slug=slugify(data['tag']))

                params = kwargs.copy()
                del params['resource_name']
                del params['api_name']
                params['tag'] = tag_obj
                params['content_type'] = ContentType.objects.get(model=kwargs['content_type'])

                tagged_item, created = self._meta.queryset.model.objects.get_or_create(**params)

                bundle = self.build_bundle(obj=tagged_item, request=request)
                bundle = self.full_dehydrate(bundle)
                bundle = self.alter_detail_data_to_serialize(request, bundle)

                return self.create_response(request,
                                            bundle,
                                            response_class=http.HttpCreated,
                                            location=self.get_resource_uri(bundle))

        return ModelResource.dispatch_list(self, request, **kwargs)

    def full_hydrate(self, bundle):
        """
        Override to just call tastypie's full_hydrate.

        django-tastypie-mongoengine does a lot of extra checks that make some
        assumptions that break things in their full_hydrate method.
        """
        return ModelResource.full_hydrate(self, bundle)

    def dehydrate(self, bundle):

        bundle = ModelResource.dehydrate(self, bundle)
        bundle = ImageMixin.dehydrate(self, bundle)

        if bundle.obj.activity == Spirit.ACTIVITY_WANDER:
            if bundle.obj.health_current == 0:
                bundle.data["experience_given"] = bundle.obj.get_ladder().xp_given

        return bundle

 def obj_create(self, bundle, **kwargs):
     try:
         return ModelResource.obj_create(self, bundle, **kwargs)
     except IntegrityError:
         # This has the negative side-effect of always making the server
         # respond with (201) regardless of whether or not the object was
         # just created.  It would be better if it could return (200) if the
         # object already existed.
         allocation_id = simplejson.loads(bundle.request.body)['allocation_id']
         fileset = models.Fileset.objects.get(allocation_id=allocation_id)
         bundle.obj = fileset
         return bundle

    def api_field_from_django_field(cls, f, default=fields.CharField):
        """
        Returns the field type that would likely be associated with each
        Django type.
        """
        result = default
        internal_type = f.get_internal_type()

        if internal_type in ('JSONField'):
            return JSONApiField
        else:
            return ModelResource.api_field_from_django_field(f, default)

 def full_dehydrate(self, bundle, for_list=False):
     bundle = ModelResource.full_dehydrate(self, bundle, for_list)
     if bundle.obj.picture:
         thumbnailer = get_thumbnailer(bundle.obj.picture)
         thumbnail_options = {'size': (ResizeThumbApi.width, ResizeThumbApi.height)}
         bundle.data["thumb"] = thumbnailer.get_thumbnail(thumbnail_options).url
     else:
         bundle.data["thumb"] = None
     if for_list is False:
         bundle.data["tags"] = [tag.name for tag in Tag.objects.get_for_object(bundle.obj)]
         if(bundle.obj.picture):
             thumbnail_options = {'size': (ResizeDisplay.width, ResizeDisplay.width)}
             bundle.data["image"] = thumbnailer.get_thumbnail(thumbnail_options).url
         else:
             bundle.data["image"] = None
         try:
             bundle.data["article"] = Article.get_for_object(bundle.obj).render()
         except ArticleForObject.DoesNotExist:
             bundle.data["article"] = None
     return bundle

    def obj_get_list(self, bundle, **kwargs):

        if bundle.request.GET.get("finder"):

            if not bundle.request.location:
                raise BadRequest(
                    "Finder cannot be invoked without a location header"
                )

            if not bundle.request.user.is_authenticated():
                raise BadRequest(
                    "Finder is only available to authenticated users"
                )

            try:
                return self._finder(bundle.request)
            except ValidationError as e:
                raise BadRequest(e.messages[0])

        else:

            return ModelResource.obj_get_list(self, bundle, **kwargs)

    def dispatch_list(self, request, **kwargs):
        self.method_check(request, allowed=['get', 'post'])
        self.is_authenticated(request)
        self.throttle_check(request)

        if 'content_type' in kwargs and 'object_pk' in kwargs and request.method=="POST":
            data = json.loads(request.body)
            commented_item, created = Comment.objects.get_or_create(comment=data['comment_text'],
                                            user=request.user,
                                            user_name=request.user.username,
                                            content_type=ContentType.objects.get(model=kwargs['content_type']),
                                            object_pk=kwargs['object_pk'],
                                            site_id=settings.SITE_ID,
                                            submit_date=datetime.datetime.now())
            bundle = self.build_bundle(obj=commented_item, request=request)
            bundle = self.full_dehydrate(bundle)
            bundle = self.alter_detail_data_to_serialize(request, bundle)

            return self.create_response(request,
                                        bundle,
                                        response_class=http.HttpCreated,
                                        location=self.get_resource_uri(bundle))

        return ModelResource.dispatch_list(self, request, **kwargs)

 def get_object_list(self, request):
     ''' Method to return the list of objects via GET method to the Resource (not concrete).
     If the variable 'search_type' is present returns the appropriate bundles
     which match the searching query. 'search_type' can have several values:
         'name' - accompanied by 'q_str' variable containing the search string
                  returns all Bundles containing the q_str in their name.
         'id' - accompanied by 'q_str' variable containing the search string
                        returns all Bundles containing a record that contains the q_str in their name.
         'type' - accompanied by 'q_str' variable containing the search string
                       returns all Bundles containing a literal attribute with type prov:type
                       and value containing q_str.
         'time' - accompanied by 'start' and/or 'end' variable containing the times
                       returns all Bundles with within the time frame [strat:end]
         'any' - accompanied by 'q_str' variable containing the search string
                  returns all Bundles containing anything matching q_str.
     '''
     
     search_type = request.GET.get('search_type', None)
     if not search_type:    
         return ModelResource.get_object_list(self, request)
     try:
         if search_type == 'name':
             result = search_name(request.GET.get('q_str', None))
         elif search_type == 'id':
             result = search_id(request.GET.get('q_str', None))
         elif search_type == 'type':
             result = search_literal(request.GET.get('literal', None) + 'prov#type', request.GET.get('q_str', None))
         elif search_type == 'time': 
             result = search_timeframe(request.GET.get('start', None), request.GET.get('end', None))
         elif search_type == 'any':
             result = search_any_text_field(request.GET.get('q_str', None))
         else:
             raise ImmediateHttpResponse(HttpBadRequest())
         return result
     except:
         raise ImmediateHttpResponse(HttpBadRequest())

 def build_filters(self, filters=None):
     if 'tags__contains' in filters:
         filters['tags__contains'] = filters['tags__contains'].split(',')
     return ModelResource.build_filters(self, filters)

 def api_field_from_django_field(cls, f, **kwargs):
     internal_type = f.get_internal_type()
     if internal_type == "BigIntegerField":
         return fields.IntegerField
     return ModelResource.api_field_from_django_field(f, **kwargs)