L'indice de Paul était très utile. Ici, je l'ai mis en œuvre complètement de manière tastypie pour télécharger et télécharger des images.
Ici, vous allez ..
1. Redéfinition deseriazer pour soutenir 'multipart'.
class MultipartResource(object):
def deserialize(self, request, data, format=None):
if not format:
format = request.META.get('CONTENT_TYPE', 'application/json')
if format == 'application/x-www-form-urlencoded':
return request.POST
if format.startswith('multipart'):
data = request.POST.copy()
data.update(request.FILES)
return data
return super(MultipartResource, self).deserialize(request, data, format)
2. Modèle de
class Research(Document):
user = ReferenceField(User)
academic_year = StringField(max_length=20)
subject = StringField(max_length=150)
topic = StringField(max_length=50)
pub_date = DateTimeField()
authored = StringField(max_length=20)
research_level = StringField(max_length=20)
paper_presented = BooleanField()
thesis_written = BooleanField()
proof_image = ImageField()
3. classe de ressources
class ResearchResource(MultipartResource, MongoEngineResource):
class Meta:
queryset = Research.objects.all()
list_allowed_methods = ['get','post']
resource_name = 'research'
authentication = SessionAuthentication()
authorization = Authorization()
def prepend_urls(self):
return [
url(r"^(?P<resource_name>%s)/$" % self._meta.resource_name,
self.wrap_view('dispatch_list'), name="api_dispatch_list"),
#url to download image file.
url(r"^(?P<resource_name>%s)/(?P<pk>\w+)/file/$"% self._meta.resource_name,
self.wrap_view('get_image'), name="api_get_image"),
]
#Preparing image url dynamically
def dehydrate_proof_image(self, bundle):
return '/api/v1/%s/%s/file/' % (self._meta.resource_name,bundle.obj.id)
#view will call based on image url to download image.
def get_image(self, request, **kwargs):
obj = Research.objects.get(id=kwargs['pk'])
image_file = obj.proof_image
return HttpResponse(image_file.read(), content_type="image/jpeg"))
Hope ce sera très utile pour tout le monde à l'avenir. :)
C'est vraiment utile. La réponse doit être acceptée. – CrazyGeek