Exemple #1
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    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()
Exemple #2
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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)
Exemple #4
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 def testConvertToDirectBufferExc(self):
     with self.assertRaisesRegex(TypeError, "buffer support"):
         _jpype.convertToDirectBuffer(1)
     with self.assertRaisesRegex(BufferError, "not writable"):
         _jpype.convertToDirectBuffer(bytes([1, 2, 3]))
Exemple #5
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 def testConvertToDirectBufferFault(self):
     _jpype.fault("PyJPModule_convertToDirectByteBuffer")
     with self.assertRaisesRegex(SystemError, "fault"):
         _jpype.convertToDirectBuffer(1)
Exemple #6
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def convertToDirectBuffer(obj):
    '''Efficiently convert all array.array types, string and unicode to java.nio.Buffer objects.'''
    return _jpype.convertToDirectBuffer(obj)
Exemple #7
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def convertToDirectBuffer(obj):
    '''Efficiently convert all array.array types, string and unicode to java.nio.Buffer objects.'''
    return _jpype.convertToDirectBuffer(obj)