Function can_bind_ipv4_localhost

src/debugpy/common/sockets.py:12–22

Check if we can bind to IPv4 localhost.

()

from debugpy.common.util import hide_thread_from_debugger

def can_bind_ipv4_localhost():
    """Check if we can bind to IPv4 localhost."""
    try:
        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        # Try to bind to IPv4 localhost on port 0 (any available port)
        sock.bind(("127.0.0.1", 0))
        sock.close()
        return True
    except (socket.error, OSError, AttributeError):
        return False

def can_bind_ipv6_localhost():
    """Check if we can bind to IPv6 localhost."""