def PyNumber_ToBase(space, w_obj, base):
"""Returns the integer n converted to base as a string with a base
marker of '0b', '0o', or '0x' if applicable. When
base is not 2, 8, 10, or 16, the format is 'x#num' where x is the
base. If n is not an int object, it is converted with
PyNumber_Index() first.
"""
base = widen(base)
if not (base == 2 or base == 8 or base == 10 or base == 16):
# In Python3.7 this becomes a SystemError. Before that, CPython would
# assert in debug or segfault in release. bpo 38643
raise oefmt(space.w_ValueError,
"PyNumber_ToBase: base must be 2, 8, 10 or 16")
w_index = space.index(w_obj)
# A slight hack to call the internal _*_to_base method, which
# accepts an int base rather than a str spec
formatter = newformat.str_formatter(space, '')
try:
value = space.int_w(w_index)
except OperationError as e:
if not e.match(space, space.w_OverflowError):
raise
value = space.bigint_w(w_index)
return space.newtext(formatter._long_to_base(base, value))
return space.newtext(formatter._int_to_base(base, value))
def descr__format__(self, space, w_format_spec):
if not space.isinstance_w(w_format_spec, space.w_str):
w_format_spec = space.str(w_format_spec)
spec = space.str_w(w_format_spec)
formatter = newformat.str_formatter(space, spec)
return formatter.format_string(self._value)
def format__String_ANY(space, w_string, w_format_spec):
if not space.isinstance_w(w_format_spec, space.w_str):
w_format_spec = space.str(w_format_spec)
spec = space.str_w(w_format_spec)
formatter = newformat.str_formatter(space, spec)
return formatter.format_string(w_string._value)
def descr__format__(self, space, w_format_spec):
if not space.isinstance_w(w_format_spec, space.w_bytes):
w_format_spec = space.str(w_format_spec)
spec = space.bytes_w(w_format_spec)
formatter = newformat.str_formatter(space, spec)
return formatter.format_string(self)
def format__String_ANY(space, w_string, w_format_spec):
if not space.isinstance_w(w_format_spec, space.w_str):
w_format_spec = space.str(w_format_spec)
spec = space.str_w(w_format_spec)
formatter = newformat.str_formatter(space, spec)
return formatter.format_string(w_string._value)
