class Keymap:
    """Key bindings."""

    def init(self):
        """Initialize key map.
        
        Go through the list of mappings checking for duplicates and
        adding them to self.bindings.
        """

        self.keys = [
            # it's ok to leave '' for either short or long command
            # short command | long command | description | function
        ('a', "author",     "search by author", books.find_author),
        ('t', "title",      "search by title", books.find_title),
        ('r', "read",       "read last book", last.read),
        ('l', "last",       "list last read books", last.choose),
        ('q', "quit",       "quit pybook", quit),

        ('', '', '', None),                           # separator
        ('b', "browse",     "browse booklist", books.browse),
        ('B', "browse_authors", "browse authors", books.browse_authors),
        ('R', "random",     "read a random book", books.read_random),
        ('d', "delete",     "choose local book to delete", last.delete),
        ('h', "help",       "this help message", help),
        ]
        self.bindings = {}
        for s, l, _, func in self.keys:
            if not (self.bindings.has_key(s) or
                self.bindings.has_key(l)):
                    self.bindings[s] = func
                    self.bindings[l] = func
            else:
                print "Duplicate key binding. Edit Keymap at the top of %s" % sys.argv[0]

# vim: sts=4:ts=8:et:sw=4