def preview(self, request, webargs):
ci = CutoutInfo()
jhlib = JHTDBLib()
#Parse web args into cutout info object
ci=jhlib.parsewebargs(webargs)
template = loader.get_template('jhtdb/preview.html')
#Verify token
#sample link
#getdata_link = "http://dsp033.pha.jhu.edu:8000/jhtdb/getcutout/edu.jhu.ssh-c11eeb58/isotropic1024coarse/pcvo,/0,1/0,64/0,64/0,64/vtk/"
#This is kind of a hack, but we have to set the link up properly for the template.
getdata_link = webargs.replace("cvo", "pcvo")
if (jhlib.verify(ci.authtoken)):
context = RequestContext(request, { 'getdata_link': getdata_link})
response = HttpResponse(template.render(context))
else:
response = HttpResponse("Error: token is invalid")
return response
def getcutout(request, webargs):
ci = CutoutInfo()
ci.ipaddr = request.META.get('REMOTE_ADDR', '')
jhlib = JHTDBLib()
#Parse web args into cutout info object
ci=jhlib.parsewebargs(webargs)
numpoints = ci.xlen * ci.ylen * ci.zlen
if ((numpoints > 16777215) and (ci.filetype == 'hdf5')): #task out anything larger than 256x256x256 and ignore shape
ipaddr = request.META.get('REMOTE_ADDR', '')
getcutout = Getbigcutout()
task = getcutout.delay(webargs, ipaddr)
#Test without celery
#getcutout.run(webargs, ipaddr)
print ("Task id is ")
print task.task_id
print ("From IP: ")
print ipaddr
template = loader.get_template('poll_for_download.html')
#print("returning http response. with task id %s" % task.task_id)
html = template.render({'task_id': task.task_id}, request)
return HttpResponse(html)
else:
#Verify token (remove in the future--handled by stored procedure now.
if (jhlib.verify(ci.authtoken)):
if (ci.filetype == "vtk"):
#vtkfile = VTKData().getvtk(ci) #Note: This could be a .vtr, .vti, or .zip depending on the request!
#Set the filename to the dataset name, and the suffix to the suffix of the temp file
#response['Content-Disposition'] = 'attachment;filename=' + ci.dataset +'.' + vtkfile.name.split('.').pop()
#Since VTK can have different file types, getvtk makes those decisions and returns the HTTP response with the correct file info.
response = VTKData().getvtk(ci)
else:
#Serve up an HDF5 file
h5file = HDFData().gethdf(ci)
response = HttpResponse(h5file, content_type='application/x-hdf;subtype=bag')
attach = 'attachment;filename=' + ci.dataset + '.h5'
response['Content-Disposition'] = attach
else:
response = HttpResponse("Error: token is invalid")
print ("returing file")
return response
print("Shouldn't get here")