def descr_insert(self, space, w_idx, w_other):
where = space.int_w(w_idx)
length = len(self.data)
index = get_positive_index(where, length)
val = getbytevalue(space, w_other)
self.data.insert(index, val)
return space.w_None
def descr_setitem(self, space, w_index, w_other):
if isinstance(w_index, W_SliceObject):
oldsize = len(self.data)
start, stop, step, slicelength = w_index.indices4(space, oldsize)
sequence2 = makebytesdata_w(space, w_other)
_setitem_slice_helper(space, self.data, start, step,
slicelength, sequence2, empty_elem='\x00')
else:
idx = space.getindex_w(w_index, space.w_IndexError,
"bytearray index")
try:
self.data[idx] = getbytevalue(space, w_other)
except IndexError:
raise oefmt(space.w_IndexError, "bytearray index out of range")
def unwrap_value(space, push_func, add_arg, argdesc, letter, w_arg):
w = space.wrap
if letter in TYPEMAP_PTR_LETTERS:
# check for NULL ptr
if isinstance(w_arg, W_DataInstance):
ptr = w_arg.ll_buffer
else:
ptr = unwrap_truncate_int(rffi.VOIDP, space, w_arg)
push_func(add_arg, argdesc, ptr)
elif letter == "d":
push_func(add_arg, argdesc, space.float_w(w_arg))
elif letter == "f":
push_func(add_arg, argdesc, rffi.cast(rffi.FLOAT,
space.float_w(w_arg)))
elif letter == "g":
push_func(add_arg, argdesc,
rffi.cast(rffi.LONGDOUBLE, space.float_w(w_arg)))
elif letter == "c":
if space.isinstance_w(w_arg, space.w_int):
val = getbytevalue(space, w_arg)
else:
s = space.str_w(w_arg)
if len(s) != 1:
raise OperationError(
space.w_TypeError,
w("Expected string of length one as character"))
val = s[0]
push_func(add_arg, argdesc, val)
elif letter == 'u':
s = space.unicode_w(w_arg)
if len(s) != 1:
raise OperationError(
space.w_TypeError,
w("Expected unicode string of length one as wide character"))
val = s[0]
push_func(add_arg, argdesc, val)
else:
for c in unroll_letters_for_numbers:
if letter == c:
TP = LL_TYPEMAP[c]
val = unwrap_truncate_int(TP, space, w_arg)
push_func(add_arg, argdesc, val)
return
else:
raise OperationError(space.w_TypeError,
space.wrap("cannot directly write value"))
def unwrap_value(space, push_func, add_arg, argdesc, letter, w_arg):
w = space.wrap
if letter in TYPEMAP_PTR_LETTERS:
# check for NULL ptr
if isinstance(w_arg, W_DataInstance):
ptr = w_arg.ll_buffer
else:
ptr = unwrap_truncate_int(rffi.VOIDP, space, w_arg)
push_func(add_arg, argdesc, ptr)
elif letter == "d":
push_func(add_arg, argdesc, space.float_w(w_arg))
elif letter == "f":
push_func(add_arg, argdesc, rffi.cast(rffi.FLOAT,
space.float_w(w_arg)))
elif letter == "g":
push_func(add_arg, argdesc, rffi.cast(rffi.LONGDOUBLE,
space.float_w(w_arg)))
elif letter == "c":
if space.isinstance_w(w_arg, space.w_int):
val = getbytevalue(space, w_arg)
else:
s = space.str_w(w_arg)
if len(s) != 1:
raise OperationError(space.w_TypeError, w(
"Expected string of length one as character"))
val = s[0]
push_func(add_arg, argdesc, val)
elif letter == 'u':
s = space.unicode_w(w_arg)
if len(s) != 1:
raise OperationError(space.w_TypeError, w(
"Expected unicode string of length one as wide character"))
val = s[0]
push_func(add_arg, argdesc, val)
else:
for c in unroll_letters_for_numbers:
if letter == c:
TP = LL_TYPEMAP[c]
val = unwrap_truncate_int(TP, space, w_arg)
push_func(add_arg, argdesc, val)
return
else:
raise OperationError(space.w_TypeError,
space.wrap("cannot directly write value"))
def descr_append(self, space, w_item):
self.data.append(getbytevalue(space, w_item))
