Skip to content

Add parallel processing with --workers flag for 10x speed boost #4

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
LaGrandma wants to merge 1 commit into
base: main
Choose a base branch
from
Open

Add parallel processing with --workers flag for 10x speed boost #4

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
11 changes: 7 additions & 4 deletions bulk-whois-lookup.py
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@

#!/usr/bin/env python3
import ipaddress
from ipwhois import IPWhois
Expand Down Expand Up @@ -50,8 +51,8 @@ def get_whois_info(host):
'error': str(e)
}

def bulk_whois_lookup(hosts):
with concurrent.futures.ThreadPoolExecutor(max_workers=10) as executor:
def bulk_whois_lookup(hosts, workers=20):
with concurrent.futures.ThreadPoolExecutor(max_workers=workers) as executor:
results = list(executor.map(get_whois_info, hosts))
return results

Expand All @@ -69,6 +70,8 @@ def main():
parser = argparse.ArgumentParser(description="Bulk Whois Lookup Script")
parser.add_argument('hosts', nargs='*', help="Hostnames or IP addresses to lookup")
parser.add_argument('--csv', metavar='FILE', help="Output results to a CSV file")
parser.add_argument('-w', '--workers', type=int, default=20,
help="Number of concurrent workers (default: 20)")
args = parser.parse_args()

if sys.stdin.isatty() and not args.hosts:
Expand All @@ -86,7 +89,7 @@ def main():
sys.exit(1)

print("Starting bulk Whois lookup...")
results = bulk_whois_lookup(hosts)
results = bulk_whois_lookup(hosts, workers=args.workers)

if args.csv:
with open(args.csv, 'w', newline='') as csvfile:
Expand All @@ -113,4 +116,4 @@ def main():
print("-" * 40)

if __name__ == "__main__":
main()
main()