I've been using the livecd-tools from the CentOS LiveCD Project, but the same issue seems to apply in Fedora. If an implantisomd5 binary can't be found a warning is printed but an attempt is made to run the binary anyway. This results in a Python traceback:
isomd5sum not installed; not setting up mediacheck Traceback (most recent call last): File "/usr/bin/livecd-creator", line 133, in ? sys.exit(main()) File "/usr/bin/livecd-creator", line 123, in main creator.package() File "/usr/lib/python2.4/site-packages/imgcreate/creator.py", line 657, in package self._stage_final_image() File "/usr/lib/python2.4/site-packages/imgcreate/live.py", line 308, in _stage_final_image self.__create_iso(self.__isodir) File "/usr/lib/python2.4/site-packages/imgcreate/live.py", line 274, in __create_iso self.__implant_md5sum(iso) File "/usr/lib/python2.4/site-packages/imgcreate/live.py", line 286, in __implant_md5sum subprocess.call([implantisomd5, iso]) UnboundLocalError: local variable 'implantisomd5' referenced before assignment Sticking in a return statement makes it work: def __implant_md5sum(self, iso): """Implant an isomd5sum.""" if os.path.exists("/usr/bin/implantisomd5"): implantisomd5 = "/usr/bin/implantisomd5" elif os.path.exists("/usr/lib/anaconda-runtime/implantisomd5"): implantisomd5 = "/usr/lib/anaconda-runtime/implantisomd5" else: print >> sys.stderr, \ "isomd5sum not installed; not setting up mediacheck" return subprocess.call([implantisomd5, iso]) Ron -- Fedora-livecd-list mailing list Fedora-livecd-list@redhat.com https://www.redhat.com/mailman/listinfo/fedora-livecd-list