def find_template_and_decorate(name, dirs=None):
# Calculate template_source_loaders the first time the function is executed
# because putting this logic in the module-level namespace may cause
# circular import errors. See Django ticket #1292.
from django.template.loader import find_template_loader, make_origin
from django.template import TemplateDoesNotExist
global template_source_loaders
if template_source_loaders is None:
loaders = []
for loader_name in settings.TEMPLATE_LOADERS:
loader = find_template_loader(loader_name)
if loader is not None:
loaders.append(loader)
template_source_loaders = tuple(loaders)
for loader in template_source_loaders:
try:
source, display_name = loader(name, dirs)
# see if this template has a render method, and if so
# decorate it to emit signals when rendering happens
if hasattr(source, 'render'):
if not hasattr(source.render, 'decorated'):
# this class has not been decorated yet...
source.__class__.render = render_decorator(
source.__class__.render)
return (source, make_origin(display_name, loader, name, dirs))
except TemplateDoesNotExist:
pass
raise TemplateDoesNotExist(name)
def get_frame_CNN(self, loader):
image = numpy.transpose(self.frame, (2, 0, 1))
image = Image.fromarray(self.frame)
image = loader(image).float()
image = Variable(image, requires_grad=True)
image = image.unsqueeze(0)
image = to_device(image, device)
return image
def find_template(self, name):
for loader in template_source_loaders:
if not isinstance(loader, Jinja2Loader):
continue
try:
#NOT THREAD SAFE
loader.skip_dirs_original = loader.skip_dirs
loader.skip_dirs = []
template = loader(name, None)[0]
if hasattr(template, 'render'):
return template
except TemplateDoesNotExist:
pass
finally:
loader.skip_dirs = loader.skip_dirs_original
raise TemplateDoesNotExist()
def index(request):
template = loader('index.html')
context = {}
return HttpResponse("index")
