s3cmd_subprocess_list_buckets_quickstart.py

1import subprocess
2import sys
3
4def list_s3_buckets():
5    try:
6        # Note: s3cmd must be installed and configured (s3cmd --configure)
7        # This executes the equivalent of 's3cmd ls'
8        result = subprocess.run(
9            ['s3cmd', 'ls'], 
10            check=True, 
11            capture_output=True, 
12            text=True
13        )
14        
15        print("S3 Buckets:")
16        print(result.stdout)
17        
18    except subprocess.CalledProcessError as e:
19        print(f"Error occurred: {e.stderr}", file=sys.stderr)
20    except FileNotFoundError:
21        print("Error: s3cmd is not installed or not in PATH.", file=sys.stderr)
22
23if __name__ == "__main__":
24    list_s3_buckets()