A Django gist to send a text file and launch a program on a different server

gistfile1.py

if request.method == 'POST':
    if form.is_valid():
        # write file in ~/hipercic/apps/dcor/jobs/
        with open('apps/dcor/jobs/job_' + datetime.today().strftime("%Y%m%d_%H%M%S") + '_params.txt', 'w') as params_file:
            for key, val in form.cleaned_data.iteritems():
                params_file.write(str(val) + ' \n')
                
        scp = 'scp /home/guillet/hipercic/' + params_file.name + ' guillet@helios.public.stolaf.edu:dcor/jobs/'
        context['scp'] = scp
        return_code_scp = subprocess.call(scp, shell=True)
        context['return_code_scp'] = return_code_scp
        
        head, tail = os.path.split(params_file.name)
        print tail
        cpp = 'ssh guillet@helios.public.stolaf.edu "cd dcor; ./test jobs/' + tail + '"'
        context['cpp'] = cpp
        return_code_cpp = subprocess.call(cpp, shell=True)
        context['return_code_cpp'] = return_code_cpp
        
        return render(request, 'base_pending.html', context)