def extract(complex_node):
complex_node = nodes.CloneableNode(complex_node)
real = nodes.ComplexAttributeNode(complex_node, 'real')
imag = nodes.ComplexAttributeNode(complex_node.clone, 'imag')
return real, imag
def visit_Attribute(self, node):
if (self.nopython and not node.value.type.is_module
and not node.value.type.is_complex):
raise error.NumbaError(
node,
"Cannot access Python attribute in nopython context (%s)" %
node.attr)
if node.value.type.is_complex:
value = self.visit(node.value)
return nodes.ComplexAttributeNode(value, node.attr)
elif node.type.is_numpy_attribute:
return nodes.ObjectInjectNode(node.type.value)
elif node.type.is_numpy_dtype:
dtype_type = node.type.dtype
return nodes.ObjectInjectNode(dtype_type.get_dtype())
elif is_obj(node.value.type):
if node.value.type.is_module:
# Resolve module attributes as constants
if node.type.is_module_attribute:
new_node = nodes.ObjectInjectNode(node.type.value)
else:
new_node = nodes.ConstNode(
getattr(node.value.type.module, node.attr))
else:
new_node = function_util.external_call(
self.context,
self.llvm_module,
'PyObject_GetAttrString',
args=[node.value, nodes.ConstNode(node.attr)])
return self.visit(new_node)
self.generic_visit(node)
return node
def visit_CoerceToObject(self, node):
new_node = node
node_type = node.node.type
if node_type.is_bool:
new_node = function_util.external_call(self.context,
self.llvm_module,
"PyBool_FromLong",
args=[node.node])
elif node_type.is_numeric:
cls = None
args = node.node,
if node_type.is_int:
cls = self._get_int_conversion_func(node_type,
pyapi._from_long)
elif node_type.is_float:
cls = pyapi.PyFloat_FromDouble
elif node_type.is_complex:
cls = pyapi.PyComplex_FromDoubles
complex_value = nodes.CloneableNode(node.node)
args = [
nodes.ComplexAttributeNode(complex_value, "real"),
nodes.ComplexAttributeNode(complex_value.clone, "imag")
]
else:
raise error.NumbaError(
node,
"Don't know how to coerce type %r to PyObject" % node_type)
if cls:
new_node = function_util.external_call(self.context,
self.llvm_module,
cls.__name__,
args=args)
elif node_type.is_pointer and not node_type.is_string():
# Create ctypes pointer object
ctypes_pointer_type = node_type.to_ctypes()
args = [
nodes.CoercionNode(node.node, int64),
nodes.ObjectInjectNode(ctypes_pointer_type, object_)
]
new_node = nodes.call_pyfunc(ctypes.cast, args)
self.generic_visit(new_node)
return new_node
