def vuforia_target(request, target_id):
# Instantiatin Vuforia API
vkeys = vuforia_keys(request)
vuforia = Vuforia(
access_key = vkeys.get('vuforia_access_key'),
secret_key = vkeys.get('vuforia_secret_key'),
)
if target_id:
target_data = vuforia.get_target_by_id(target_id)
return HttpResponse(json.dumps(target_data), content_type="application/json")
else:
return None
def delete_targets():
""" Remove Unbound Targets """
print "Running: delete_targets"
vuforia_instances = [{
'vuforia_access_key': DEFAULT_VUFORIA_ACCESS_KEY,
'vuforia_secret_key': DEFAULT_VUFORIA_ACCESS_KEY
}]
profiles = Profile.objects.all()
for profile in profiles:
vuforia_instances.append({
'vuforia_access_key': str(profile.vuforia_access_key),
'vuforia_secret_key': str(profile.vuforia_secret_key)
})
for instance in vuforia_instances:
try:
vuforia = Vuforia(
access_key = instance.get('vuforia_access_key'),
secret_key = instance.get('vuforia_secret_key'),
)
targets = vuforia.get_targets()
deleted_targets = 0
unbound_targets = 0
for target in targets:
target_id = target.get('target_id')
gallery = Gallery.objects(__raw__={'pictures.target_id': target_id})
if not gallery:
print "Deleting Target: ", target_id
unbound_targets+=1
try:
vuforia.delete_target(u"".join(target_id))
deleted_targets+=1
except Exception as e:
print e
print 'Delected: %s targets of %s'%(deleted_targets, unbound_targets)
except Exception as e:
print e
return 'Deleted Targets'
def handle_uploaded_file(request, file, obj_id=''):
prefix = '%s_'%(obj_id)
sufix = ''
file_name = file_name_pattern( formatText(str(file)), prefix=prefix, sufix=sufix)
base_path = urljoin(MEDIA_ROOT+"/", file_path_pattern(request)).replace("//","/")
storage = DefaultFileStorage(location = base_path, base_url = MEDIA_URL)
path = storage.save(file_name, file)
# Post Image to Vuforia using RESTful API
vkeys = vuforia_keys(request)
vuforia = Vuforia(
access_key = str(vkeys.get('vuforia_access_key')),
secret_key = str(vkeys.get('vuforia_secret_key'))
)
image_f = ''
for chunk in file.chunks():
image_f+= chunk
pil_img = Image.open(StringIO(str(image_f)))
(width, height) = pil_img.size
image_file = file
image = base64.b64encode(str(image_f))
#================Meta Data Example==================
#
# metadata_file = open('[METADATA_FILE]')
# metadata = base64.b64encode(metadata_file.read())
#===================================================
metadata = base64.b64encode( '%s'%(image_file) ) # Metadata Added/Overrided after submition by ./cron.py
target_response = vuforia.add_target({
"name": file_name,
"width": width,
"image": image,
"application_metadata": metadata,
"active_flag": 1
})
return (path, target_response)