def type_to_typelist(type_obj):
if type_obj.IsArray:
return PythonScraper.type_to_typelist(tuple)
elif type_obj == Void:
return PythonScraper.type_to_typelist(type(None))
elif not PythonOps.IsPythonType(clr.GetPythonType(type_obj)):
raise NonPythonTypeException
return PythonScraper.type_to_typelist(clr.GetPythonType(type_obj))
def validate_clr_types(signature_types, var_signature=False):
if not isinstance(signature_types, tuple):
signature_types = (signature_types, )
for t in signature_types:
if type(t) is type(
System.IComparable
): # type overloaded on generic arity, eg IComparable and IComparable[T]
t = t[()] # select non-generic version
clr_type = clr.GetClrType(t)
if t == Void:
raise TypeError("Void cannot be used in signature")
is_typed = clr.GetPythonType(clr_type) == t
# is_typed needs to be weakened until the generated type
# gets explicitly published as the underlying CLR type
is_typed = is_typed or (hasattr(t, "__metaclass__") and t.__metaclass__
in [ClrInterface, ClrClass])
if not is_typed:
raise Exception, "Invalid CLR type %s" % str(t)
if not var_signature:
if clr_type.IsByRef:
raise TypeError(
"Byref can only be used as arguments and locals")
# ArgIterator is not present in Silverlight
if hasattr(System, "ArgIterator") and t == System.ArgIterator:
raise TypeError(
"Stack-referencing types can only be used as arguments and locals"
)
def map_pinvoke_methods(self, new_type):
pythonType = clr.GetPythonType(new_type)
for function_info in self.get_typed_methods():
function = function_info.function
if hasattr(function, "DllImportAttributeDecorator"):
# Overwrite the Python function with the pinvoke_method
pinvoke_method = getattr(pythonType, function.func_name)
setattr(self, function.func_name, pinvoke_method)
def init_2D_var_arr_from_data(cls, init_var, dist_array):
distType = dist_array.GetType().GetElementType()
baseType = clr.GetPythonType(Distribution.GetDomainType(dist_array[0,0].GetType()))
bt = InitArray._upcast_type(baseType)
da = Distribution[bt].Array[distType](dist_array)
datype = type(da)
init_var.InitialiseTo[datype](da)
def _get_target_info(f):
if type(f) == clr.GetPythonType(
IronPython.Runtime.Types.BuiltinMethodDescriptor):
f = f._BuiltinMethodDescriptor___template
if type(f) == clr.GetPythonType(
IronPython.Runtime.Types.BuiltinFunction):
if len(f.Targets) != 1:
raise ValueError("Ambiguous function specification. You may " + \
"be missing type parameters for a generic " + \
"or overloaded function.")
r = {
'target': f.Targets[0],
'name': f._BuiltinFunction__Name,
'declaring_type': f.DeclaringType,
}
return r
raise TypeError("Incompatible type " + repr(type(f)) +
". Please see the documentation for allowable types")
def TestCalls(t):
t = clr.GetPythonType(t)
for i in range(1, counter):
n = "Test_%d" % i
r = getattr(t, n)()
if trace: print r
n = "TestRef_%d" % i
r = getattr(t, n)()
if trace: print r
def _create_jagged_2D_arr_of_dist(cls, jagged_lengths, init_func):
distType = type(init_func())
length = len(jagged_lengths)
t = clr.GetPythonType(System.Type.MakeArrayType(distType, 2))
result = System.Array.CreateInstance(t, length)
for i in range(0, length):
l1 = jagged_lengths[i][0]
l2 = jagged_lengths[i][1]
result[i] = System.Array.CreateInstance(distType, l1, l2)
for j in range(0, l1):
for k in range(0, l2):
result[i][j,k] = init_func()
return result
def validate_clr_types(signature_types, var_signature = False):
if not hasattr(signature_types, "__iter__"):
signature_types = (signature_types,)
for t in signature_types:
clr_type = clr.GetClrType(t)
if t == Void:
raise TypeError("Void cannot be used in signature")
if clr.GetPythonType(clr_type) != t:
raise Exception, "Invalid CLR type %s" % str(t)
if not var_signature:
if clr_type.IsByRef:
raise TypeError("Byref can only be used as arguments and locals")
# ArgIterator is not present in Silverlight
if hasattr(System, "ArgIterator") and t == System.ArgIterator:
raise TypeError("Stack-referencing types can only be used as arguments and locals")
def init_jagged_var_arr_from_data(cls, init_var, dist_array):
length1 = dist_array.Length
#look for 1st non empty value and get distribution type etc
isFound = False
for i in range(0,length1):
if isFound:break
length2 = dist_array[i].Length
for j in range(0,length2):
if (dist_array[i][j] != None):
d = dist_array[i][j]
distType = type(d)
isFound = True
break
baseType = clr.GetPythonType(Distribution.GetDomainType(d.GetType()))
bt = InitArray._upcast_type(baseType)
da = Distribution[bt].Array[distType](dist_array)
datype = type(da)
init_var.InitialiseTo[datype](da)
def init_2D_jagged_var_arr_from_data(cls, init_var, dist_array):
length1 = dist_array.GetLength(0)
length2 = dist_array.GetLength(1)
isFound = False
for i in range(0,length1):
if isFound:break
for j in range(0,length2):
if isFound:break
length3 = dist_array[i,j].Length
for k in range(0,length3):
if (dist_array[i,j][k] != None):
d = dist_array[i,j][k]
distType = type(d)
isFound = True
break
baseType = clr.GetPythonType(Distribution.GetDomainType(d.GetType()))
bt = InitArray._upcast_type(baseType)
da = Distribution[bt].Array[distType](dist_array)
datype = type(da)
init_var.InitialiseTo[datype](da)
def test_mutable_Valuetypes(self):
self.load_iron_python_test()
from IronPythonTest import MySize, BaseClass
direct_vt = MySize(1, 2)
embedded_vt = BaseClass()
embedded_vt.Width = 3
embedded_vt.Height = 4
# Read access should still succeed.
self.assertEqual(direct_vt.width, 1)
self.assertEqual(embedded_vt.size.width, 3)
self.assertEqual(embedded_vt.Size.width, 3)
# But writes to value type fields should fail with ValueError.
success = 0
try:
direct_vt.width = 5
except ValueError:
success = 1
self.assertTrue(success == 0 and direct_vt.width == 1)
success = 0
try:
embedded_vt.size.width = 5
except ValueError:
success = 1
self.assertTrue(success == 0 and embedded_vt.size.width == 3)
success = 0
try:
embedded_vt.Size.width = 5
except ValueError:
success = 1
self.assertTrue(success == 0 and embedded_vt.Size.width == 3)
import clr
# ensure .GetType() and calling the helper w/ the type work
self.assertEqual(clr.GetClrType(str), ''.GetType())
# and ensure we're not just auto-converting back on both of them
self.assertEqual(clr.GetClrType(str), str)
self.assertEqual(clr.GetClrType(str) != str, False)
# as well as GetPythonType
import System
self.assertEqual(clr.GetPythonType(System.Int32), int)
self.assertEqual(clr.GetPythonType(clr.GetClrType(int)), int)
# verify we can't create *Ops classes
from IronPython.Runtime.Operations import DoubleOps
self.assertRaises(TypeError, DoubleOps)
# setting mro to an invalid value should result in
# bases still being correct
class foo(object):
pass
class bar(foo):
pass
class baz(foo):
pass
def changeBazBase():
baz.__bases__ = (foo, bar) # illegal MRO
self.assertRaises(TypeError, changeBazBase)
self.assertEqual(baz.__bases__, (foo, ))
self.assertEqual(baz.__mro__, (baz, foo, object))
d = {}
d[None, 1] = 2
self.assertEqual(d, {(None, 1): 2})
def get_descriptor_type(descriptor):
if hasattr(descriptor, 'PropertyType'):
return clr.GetPythonType(descriptor.PropertyType)
elif hasattr(descriptor, 'FieldType'):
return clr.GetPythonType(descriptor.FieldType)
return object
