def get_file_safe_mountpoint()

in src/watchdog/__init__.py [0:0]

• 11 lines of code
• 7 McCabe index (conditional complexity)

def get_file_safe_mountpoint(mount):
    mountpoint = os.path.abspath(mount.mountpoint).replace(os.sep, ".")
    if mountpoint.startswith("."):
        mountpoint = mountpoint[1:]

    opts = parse_options(mount.options)
    if "port" not in opts:
        if not check_if_running_on_macos():
            # /proc/mounts provides a list of all mounts in use by the system (including the mount options used).
            # In the case of tls mount: stunnel establishes a localhost port connection in order to listen on the requests,
            # and then send packets further to the server:2049. If the port is 2049 which is the default nfs port,
            # /proc/mounts will not display the port number in the options information, thus watchdog process will not treat
            # the mount as EFS mount and won't restart the killed stunnel which cause the mount hang.
            # So, tlsport=2049 is being added here by appending with the mountpoint.
            # Putting a default port 2049 to fix the Stunnel process being killed issue.
            opts["port"] = DEFAULT_NFS_PORT
        # some other localhost nfs mount not running over stunnel.
        # For MacOS, we ignore the port if the port is missing in mount options.
        else:
            return mountpoint
    return mountpoint + "." + opts["port"]