Esempio n. 1
0
    def decorator(fn):
        def convert_numpy_array(ll_tp, arg):
            return ffi.cast("void *", id(arg))

        lines = inspect.getsource(fn).splitlines()
        for i, line in enumerate(lines):
            if line.strip(' ').startswith('@'):
                continue
            lines[i] = line.strip(' ')
            break
        source = "\n".join(lines[i:])
        name = fn.__name__
        handle = ptr.basic_register(source.encode(), name.encode(),
                                    ll_tp.encode(), ll_arrays.encode())
        if not handle:
            raise Exception("basic_register failed")
        ll_handle = ffi.cast(ll_tp, handle)
        argspec = ", ".join(["arg%d" % i for i in range(len(argtypes))])
        conversions = []
        for i, arg in enumerate(argtypes):
            if arg == 'array':
                conversions.append(
                    "    arg%d = ffi.cast('void *', id(arg%d))" % (i, i))
        conversions = "\n".join(conversions)
        source = py.code.Source("""
        def func(%(args)s):
        %(conversions)s
            res = ll_handle(%(args)s)
            if not res and ptr.last_exception:
                exception_repr = ffi.string(ptr.last_exception)
                ptr.last_exception = ffi.NULL
                raise JitPyException(exception_repr)
            return res
        """ % {
            "args": argspec,
            'conversions': conversions
        })
        namespace = {
            'ffi': ffi,
            'll_handle': ll_handle,
            'JitPyException': JitPyException,
            'ptr': ptr
        }

        execute(source, namespace)
        res = namespace['func']
        res.__name__ = fn.__name__
        return res
Esempio n. 2
0
    def decorator(fn):
        def convert_numpy_array(ll_tp, arg):
            return ffi.cast("void *", id(arg))

        lines = inspect.getsource(fn).splitlines()
        for i, line in enumerate(lines):
            if line.strip(' ').startswith('@'):
                continue
            lines[i] = line.strip(' ')
            break
        source = "\n".join(lines[i:])
        name = fn.__name__
        handle = ptr.basic_register(source.encode(), name.encode(),
                                    ll_tp.encode(), ll_arrays.encode())
        if not handle:
            raise Exception("basic_register failed")
        ll_handle = ffi.cast(ll_tp, handle)
        argspec = ", ".join(["arg%d" % i for i in range(len(argtypes))])
        conversions = []
        for i, arg in enumerate(argtypes):
            if arg == 'array':
                conversions.append("    arg%d = ffi.cast('void *', id(arg%d))"
                                   % (i, i))
        conversions = "\n".join(conversions)
        source = py.code.Source("""
        def func(%(args)s):
        %(conversions)s
            res = ll_handle(%(args)s)
            if not res and ptr.last_exception:
                exception_repr = ffi.string(ptr.last_exception)
                ptr.last_exception = ffi.NULL
                raise JitPyException(exception_repr)
            return res
        """ % {"args": argspec, 'conversions': conversions})
        namespace = {'ffi': ffi, 'll_handle': ll_handle,
                     'JitPyException':JitPyException, 'ptr': ptr}

        execute(source, namespace)
        res = namespace['func']
        res.__name__ = fn.__name__
        return res
Esempio n. 3
0
 def convert_numpy_array(ll_tp, arg):
     return ffi.cast("void *", id(arg))
Esempio n. 4
0
 def convert_numpy_array(ll_tp, arg):
     return ffi.cast("void *", id(arg))