def normalize_patch_names(self):

        # possibly busted -- don't use unless you know what you're doing

        self.set_all_levels(self.levels.copy())

def sub_maxes(*subs):

    return Submaster("max(%r)" % (subs,),

        dict_max(*[sub.levels for sub in subs]))

class Submasters:

    "Collection o' Submaster objects"

    def __init__(self):

        self.submasters = {}

        import os

        files = os.listdir('subs')

        for filename in files:

            # we don't want these files

            if filename.startswith('.') or filename.endswith('~') or \

               filename.startswith('CVS'):

                continue

            self.submasters[filename] = Submaster(filename)

    def get_all_subs(self):

        "All Submaster objects"

    def get_sub_by_name(self, name):

        "Makes a new sub if there isn't one."

        return self.submasters.get(name, Submaster(name))

    __getitem__ = get_sub_by_name

if __name__ == "__main__":

    Patch.reload_data()

    s = Submasters()

    print s.get_all_subs()

    if 0: # turn this on to normalize all subs

        for sub in s.get_all_subs():

            print "before", sub

            sub.normalize_patch_names()

            sub.save()

            print "after", sub