| #!/usr/bin/env python |
| # Copyright 2017 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """Generates alexa_domains.list from |
| src/tools/perf/page_sets/alexa1-10000-urls.json. By default, all the domains |
| extracted from the input will be recorded in alexa_domains.list in the script |
| directory except for duplicates and domains in ccTLDs known to disallow |
| non-ASCII Latin letters (cn,jp,kr,tw). |
| Optional command line arguments can be used to limit the output to top N |
| domains and to specify an output file. |
| """ |
| |
| import re |
| import sys |
| import os |
| |
| script_dir = os.path.dirname(os.path.realpath(__file__)) |
| alexa10k_path = os.path.join(script_dir, "..", "..", "..", "tools", "perf", |
| "page_sets", "alexa1-10000-urls.json") |
| max_num_domains = 10000 if len(sys.argv) < 2 else int(sys.argv[1]) |
| alexa_out = os.path.join(script_dir, "alexa_domains.list") \ |
| if len(sys.argv) < 3 else os.path.join(script_dir, sys.argv[2]) |
| |
| domain_extractor = re.compile(r'^.*"https?://(?:www.)?([^/]*)/.*$') |
| excluded_tld = re.compile(r'.(cn|kr|jp|tw)$') |
| domains = set() |
| n_domains = 0 |
| |
| with open(alexa_out, 'w') as outfile, open(alexa10k_path, 'r') as infile: |
| for line in infile: |
| if line.startswith('#'): |
| continue |
| match = domain_extractor.match(line) |
| if match and n_domains < max_num_domains: |
| n_domains = n_domains + 1 |
| domain = match.group(1) |
| labels = domain.split('.') |
| if len(labels) > 3: |
| domain = '.'.join(labels[-3:]) |
| if not excluded_tld.search(match.group(1)) and domain not in domains: |
| domains.add(domain) |
| outfile.write(domain + "\n") |
| |
| # Add some popular domains if they're missing. |
| # TODO(jshin): Find a way to update the list. (crbug.com/722022) |
| for domain in ["gmail.com", "hotmail.com", "360.cn", "ntd.tv", "onclkds.com", |
| "uber.com", "lyft.com", "ok.ru", "stripe.com"]: |
| if domain not in domains: |
| outfile.write(domain + "\n") |
| |
| # Add a few made-up domains for testing. |
| outfile.write("# for testing\ndigklmo68.com\ndigklmo68.co.uk\n") |
| outfile.write("islkpx123.com\n") |
| outfile.write("os345.com\nwoder.com\nwmhtb.com\n") |
