def testRefs(self):
# This routine will exercise each of the clean up paths once
fixture = JClass("jpype.common.Fixture")()
def f():
# Create a proxy to test the proxy path
@JImplements("java.util.function.Supplier")
class MySupplier(object):
@JOverride
def get(self):
# Send a Python exc to trigger Python ref path
raise RuntimeError("foo")
try:
u = MySupplier()
fixture.callSupplier(u)
except RuntimeError as ex:
pass
f()
# Force a direct byffer and then trash it
b = bytearray([1, 2, 3])
_jpype.convertToDirectBuffer(b)
# Then force a GC to clean it up
jpype.java.lang.System.gc()
def convertToDirectBuffer(obj):
__doc__ = '''Efficiently convert all array.array types, string and unicode to java.nio.Buffer objects.'''
memoryview_of_obj = _mem_view(obj)
if memoryview_of_obj.readonly:
raise ValueError("Memoryview must be writable for wrapping in a byte buffer")
return _jpype.convertToDirectBuffer(memoryview_of_obj)
def convertToDirectBuffer(obj):
__doc__ = '''Efficiently convert all array.array and numpy ndarray types, string and unicode to java.nio.Buffer objects.'''
memoryview_of_obj = memoryview(obj)
if memoryview_of_obj.readonly:
raise ValueError(
"Memoryview must be writable for wrapping in a byte buffer")
return _jpype.convertToDirectBuffer(memoryview_of_obj)
def testConvertToDirectBufferExc(self):
with self.assertRaisesRegex(TypeError, "buffer support"):
_jpype.convertToDirectBuffer(1)
with self.assertRaisesRegex(BufferError, "not writable"):
_jpype.convertToDirectBuffer(bytes([1, 2, 3]))
def testConvertToDirectBufferFault(self):
_jpype.fault("PyJPModule_convertToDirectByteBuffer")
with self.assertRaisesRegex(SystemError, "fault"):
_jpype.convertToDirectBuffer(1)
def convertToDirectBuffer(obj):
'''Efficiently convert all array.array types, string and unicode to java.nio.Buffer objects.'''
return _jpype.convertToDirectBuffer(obj)
def convertToDirectBuffer(obj):
'''Efficiently convert all array.array types, string and unicode to java.nio.Buffer objects.'''
return _jpype.convertToDirectBuffer(obj)