import urllib, json

DEBUG = True

#Inputs
symbol = 'Zr'
mass_number = '87m'
reaction = 't,3He'

url = "http://www.cross-section-plotter.com/array_xs_small.txt?_=1485105436306"
response = urllib.urlopen(url)
data = json.loads(response.read())['data']

search_result = None

for i,j in enumerate(data):
    if j[1] == symbol and j[2] == mass_number and j[3] == reaction:
        if DEBUG:
            print 'Debug: '+j
        search_result = j

if search_result == None:
    print "Particle not found"
    exit(1)

particle = search_result[3].split(',')[0]
librarylc=search_result[5].split('<')[0].lower()
mass_number_short = search_result[2]

if mass_number_short == 'Natural':
    mass_number = '000'
else:
    mass_number =  mass_number_short

MT_number = search_result[4]

filename='data/'+particle+'/'+symbol+'/'+mass_number+'/'+librarylc+'/'+MT_number

if DEBUG:
    print 'Debug: '+filename

particle_url = 'http://www.cross-section-plotter.com/'+filename
particle_response = urllib.urlopen(particle_url)
if DEBUG:
    print '\n\n**** RESULT ***\n\n'
print particle_response.read()