def PySequence_Fast(space, w_obj, m):
"""Returns the sequence o as a tuple, unless it is already a tuple or list, in
which case o is returned. Use PySequence_Fast_GET_ITEM() to access the
members of the result. Returns NULL on failure. If the object is not a
sequence, raises TypeError with m as the message text."""
if (isinstance(w_obj, listobject.W_ListObject) or
isinstance(w_obj, tupleobject.W_TupleObject)):
return w_obj
try:
return tupleobject.W_TupleObject(space.fixedview(w_obj))
except OperationError:
raise OperationError(space.w_TypeError, space.wrap(rffi.charp2str(m)))
def PySequence_Fast(space, w_obj, m):
"""Returns the sequence o as a tuple, unless it is already a tuple or list, in
which case o is returned. Use PySequence_Fast_GET_ITEM() to access the
members of the result. Returns NULL on failure. If the object is not a
sequence, raises TypeError with m as the message text."""
if isinstance(w_obj, listobject.W_ListObject):
# make sure we can return a borrowed obj from PySequence_Fast_GET_ITEM
# XXX how does this interact with CPyListStrategy?
w_obj.ensure_object_strategy()
return w_obj
if isinstance(w_obj, tupleobject.W_TupleObject):
return w_obj
try:
return tupleobject.W_TupleObject(space.fixedview(w_obj))
except OperationError:
raise OperationError(space.w_TypeError, space.wrap(rffi.charp2str(m)))
def PySequence_Fast(space, w_obj, m):
"""Returns the sequence o as a tuple, unless it is already a tuple or list, in
which case o is returned. Use PySequence_Fast_GET_ITEM() to access the
members of the result. Returns NULL on failure. If the object cannot be
converted to a sequence, and raises a TypeError, raise a new TypeError with
m as the message text. If the conversion otherwise, fails, reraise the
original exception"""
if isinstance(w_obj, tupleobject.W_AbstractTupleObject):
return w_obj # CCC avoid the double conversion that occurs here
if isinstance(w_obj, W_ListObject):
# note: we used to call w_obj.convert_to_cpy_strategy() here,
# but we really have to call it from PySequence_Fast_GET_ITEM()
# because some people never call PySequence_Fast() if they know
# the object is a list.
return w_obj
try:
return tupleobject.W_TupleObject(space.fixedview(w_obj))
except OperationError as e:
if e.match(space, space.w_TypeError):
raise OperationError(space.w_TypeError, space.newtext(rffi.charp2str(m)))
raise e