Robots BOE extractor

#Que os follen a todos corruptos hijos de la gran puta

from urllib.request import urlopen
from urllib.request import HTTPError

print("START!")

robots_file = open("robots.txt",'r')

files_missing = []
files_total = 0

#For every line in robot
for line in robots_file:

    #If it is a PDF file
    if ".pdf" in line:

        #Get the URL and name
        parts = line.split()
        url = 'http://boe.es'+parts[1]
        name_tree = parts[1].split('.pdf')[0].split('/')
        name = name_tree[-1]

        #If is a SUM.pdf file, add also the date
        if name=="SUM":
            name = name + "_" + name_tree[3] + "_" + name_tree[4]+ "_" + name_tree[5]

        #Show what are you downloading
        print("downloading "+name+".pdf ... ")

        #Download it
        try:
            f = urlopen(url)
            data = f.read()
            with open("pdfs/"+name+".pdf", "wb") as code:
                code.write(data)
        except HTTPError:
            print("Can't download"+name+".pdf \n")
            files_missing.append(name+".pdf")
        else:
            print("done! \n")
            files_total = files_total + 1


print("Total Download = "+files_total)
print("Files not found = "+files_missing.size())
print("Files missing are...")

for element in files_missing:

    print(element)

robots_file.close()