Function compile_keymap

Lib/_pyrepl/keymap.py:197–213

(keymap, empty=b"")

def compile_keymap(keymap, empty=b""):
    r = {}
    for key, value in keymap.items():
        if isinstance(key, bytes):
            first = key[:1]
        else:
            first = key[0]
        r.setdefault(first, {})[key[1:]] = value
    for key, value in r.items():
        if empty in value:
            if len(value) != 1:
                raise KeySpecError("key definitions for %s clash" % (value.values(),))
            else:
                r[key] = value[empty]
        else:
            r[key] = compile_keymap(value, empty)
    return r