multiple website, multiple files to generate and upload

main.py

import ftplib
import os
import fileinput
import csv

# col1 = url (google.com), col2 = ftp host, col3 = ftp user, col4 = ftp password
with open('ftp.csv', 'rb') as csvfile:

    ftp_records = csv.reader(csvfile, delimiter=',')

    for row in ftp_records:

		web_url = row[0]
		print(web_url),
		ftp_host = row[1]
		print('\t' + ftp_host),
		ftp_user = row[2]
		print('\t' + ftp_user),
		ftp_pass = row[3]
		print('\t' + ftp_pass)

		ftp = ftplib.FTP(ftp_host, ftp_user, ftp_pass)

		file_list = ftp.nlst()

		print('\tcerco www:'),
		for n in file_list:
			if n == 'www':
				ftp.cwd('www')
				print(' ok')

		file_list = ftp.nlst()
		file_list_lenght = len(file_list)

		print('\tcerco index.html:'),
		for n in file_list:
			if n == 'index.html':
				print(' ok'),
				ftp.delete('index.html')
				print(' --> cancellato,'),

		print('\tcarico index.html:'),
		file_upload = 'index.html'
		file = open(file_upload, "rb")
		ftp.storbinary('STOR ' + file_upload, file)
		print(' ok')

		print('\tcarico robots.txt:'),
		file_upload = 'robots.txt'
		file = open(file_upload, 'rb')
		ftp.storbinary('STOR ' + file_upload, file)
		print(' ok')

		print('\tgenero sitemap.xml'),
		sitemap_xml = open('sitemap.xml','w+')
		sitemap_xml.write('<?xml version="1.0" encoding="UTF-8"?>')
		sitemap_xml.write('\n<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd">')
		sitemap_xml.write('\n<url>')
		sitemap_xml.write('\n<loc>https://' + row[0] + '/</loc>')
		sitemap_xml.write('\n<lastmod>2019-11-04T09:00:00+00:00</lastmod>')
		sitemap_xml.write('\n</url>')
		sitemap_xml.write('</urlset>')
		sitemap_xml.close()
		print(' ok,'),

		print('carico sitemap.xml:'),
		file_upload = 'sitemap.xml'
		file = open(file_upload, "rb")
		ftp.storbinary('STOR ' + file_upload, file)
		print(' ok')

		print('\tgenero .htaccess:'),
		htaccess = open('.htaccess','w+')
		htaccess.write('RewriteEngine On')
		htaccess.write('\nRewriteCond %{SERVER_PORT} 80')
		htaccess.write('\nRewriteRule ^(.*)$ https://' + row[0] + '/$1 [R,L]')
		htaccess.write('\nRewriteCond %{HTTP_HOST} ^www.' + row[0] +' [NC]')
		htaccess.write('\nRewriteRule ^(.*)$ https://' + row[0] + '/$1 [L,R=301]')
		htaccess.close()
		print(' ok,'),

		print('\tcarico .htaccess:'),
		file_upload = '.htaccess'
		file = open(file_upload, 'rb')
		ftp.storbinary('STOR ' + file_upload, file)
		print(' ok')

		ftp.close()

		print('\n')