vmobj.py

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# to you under the Apache License, Version 2.0 (the
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#
#   http://www.apache.org/licenses/LICENSE-2.0
#
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# pylint: disable=invalid-name
"""Runtime Object api"""
from __future__ import absolute_import

import sys
from .base import _FFI_MODE

IMPORT_EXCEPT = RuntimeError if _FFI_MODE == "cython" else ImportError

try:
    # pylint: disable=wrong-import-position
    if _FFI_MODE == "ctypes":
        raise ImportError()
    if sys.version_info >= (3, 0):
        from ._cy3.core import _set_class_object
        from ._cy3.core import ObjectBase as _ObjectBase
        from ._cy3.core import _register_object
    else:
        from ._cy2.core import _set_class_object
        from ._cy2.core import ObjectBase as _ObjectBase
        from ._cy2.core import _register_object
except IMPORT_EXCEPT:
    # pylint: disable=wrong-import-position
    from ._ctypes.function import _set_class_object
    from ._ctypes.vmobj import ObjectBase as _ObjectBase
    from ._ctypes.vmobj import _register_object


class ObjectTag(object):
    """Type code used in API calls"""
    TENSOR = 0
    CLOSURE = 1
    DATATYPE = 2


class Object(_ObjectBase):
    """The VM Object used in Relay virtual machine."""


def register_object(cls):
    _register_object(cls.tag, cls)
    return cls


_set_class_object(Object)