diff options
Diffstat (limited to 'Lib/dis.py')
| -rw-r--r-- | Lib/dis.py | 25 |
1 files changed, 16 insertions, 9 deletions
@@ -125,6 +125,13 @@ def pretty_flags(flags): names.append(hex(flags)) return ", ".join(names) +class _Unknown: + def __repr__(self): + return "<unknown>" + +# Sentinel to represent values that cannot be calculated +UNKNOWN = _Unknown() + def _get_code_object(x): """Helper to handle methods, compiled or raw code objects, and strings.""" # Extract functions from methods. @@ -315,28 +322,28 @@ def _get_const_info(const_index, const_list): Returns the dereferenced constant and its repr if the constant list is defined. - Otherwise returns the constant index and its repr(). + Otherwise returns the sentinel value dis.UNKNOWN for the value + and an empty string for its repr. """ - argval = const_index if const_list is not None: argval = const_list[const_index] - return argval, repr(argval) + return argval, repr(argval) + else: + return UNKNOWN, '' def _get_name_info(name_index, get_name, **extrainfo): """Helper to get optional details about named references Returns the dereferenced name as both value and repr if the name list is defined. - Otherwise returns the name index and its repr(). + Otherwise returns the sentinel value dis.UNKNOWN for the value + and an empty string for its repr. """ - argval = name_index if get_name is not None: argval = get_name(name_index, **extrainfo) - argrepr = argval + return argval, argval else: - argrepr = repr(argval) - return argval, argrepr - + return UNKNOWN, '' def parse_varint(iterator): b = next(iterator) |