parse_comers.py

import os

print "Descarregant PDF comers..."
os.system('curl "http://simel.simel.ree.es/sep/PubServlet2?operacion=AccInfor&fichero=117_Comercializadores.pdf" > comers.pdf')

print "Transformant a TXT..."
os.system('pdftotext comers.pdf')

print "Creant diccionari..."
c = open('comers.txt', 'r').read()
comers_in = c.split('\n')
comers_in = [x for x in comers_in if x]
comers_out = {}
for idx, field in enumerate(comers_in):
    if len(field) > 67:
        print field
    if len(field) == 4 and all([x.isdigit() for x in field]):
        comer_name = comers_in[idx + 1]
        if len(comer_name) >= 69:
            comer_name = comer_name[:69]
        comers_out[field] = comer_name
print comers_out