211 lines
6.1 KiB
C
211 lines
6.1 KiB
C
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/* Python 2.x/3.x compitibility tools
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*/
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#if !defined(PGCOMPAT_H)
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#define PGCOMPAT_H
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#if PY_MAJOR_VERSION >= 3
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#define PY3 1
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/* Define some aliases for the removed PyInt_* functions */
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#define PyInt_Check(op) PyLong_Check(op)
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#define PyInt_FromString PyLong_FromString
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#define PyInt_FromUnicode PyLong_FromUnicode
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#define PyInt_FromLong PyLong_FromLong
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#define PyInt_FromSize_t PyLong_FromSize_t
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#define PyInt_FromSsize_t PyLong_FromSsize_t
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#define PyInt_AsLong PyLong_AsLong
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#define PyInt_AsSsize_t PyLong_AsSsize_t
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#define PyInt_AsUnsignedLongMask PyLong_AsUnsignedLongMask
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#define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
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#define PyInt_AS_LONG PyLong_AS_LONG
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#define PyNumber_Int PyNumber_Long
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/* Weakrefs flags changed in 3.x */
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#define Py_TPFLAGS_HAVE_WEAKREFS 0
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/* Module init function returns new module instance. */
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#define MODINIT_RETURN(x) return x
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#define MODINIT_DEFINE(mod_name) PyMODINIT_FUNC PyInit_##mod_name (void)
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#define DECREF_MOD(mod) Py_DECREF (mod)
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/* Type header differs. */
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#define TYPE_HEAD(x,y) PyVarObject_HEAD_INIT(x,y)
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/* Text interface. Use unicode strings. */
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#define Text_Type PyUnicode_Type
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#define Text_Check PyUnicode_Check
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#define Text_FromUTF8 PyUnicode_FromString
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#define Text_FromUTF8AndSize PyUnicode_FromStringAndSize
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#define Text_FromFormat PyUnicode_FromFormat
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#define Text_GetSize PyUnicode_GetSize
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#define Text_GET_SIZE PyUnicode_GET_SIZE
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/* Binary interface. Use bytes. */
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#define Bytes_Type PyBytes_Type
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#define Bytes_Check PyBytes_Check
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#define Bytes_Size PyBytes_Size
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#define Bytes_AsString PyBytes_AsString
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#define Bytes_AsStringAndSize PyBytes_AsStringAndSize
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#define Bytes_FromStringAndSize PyBytes_FromStringAndSize
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#define Bytes_FromFormat PyBytes_FromFormat
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#define Bytes_AS_STRING PyBytes_AS_STRING
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#define Bytes_GET_SIZE PyBytes_GET_SIZE
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#define Bytes_AsDecodeObject PyBytes_AsDecodedObject
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#define Object_Unicode PyObject_Str
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#define IsTextObj(x) (PyUnicode_Check(x) || PyBytes_Check(x))
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/* Renamed builtins */
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#define BUILTINS_MODULE "builtins"
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#define BUILTINS_UNICODE "str"
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#define BUILTINS_UNICHR "chr"
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/* Defaults for unicode file path encoding */
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#define UNICODE_DEF_FS_CODEC Py_FileSystemDefaultEncoding
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#if defined(MS_WIN32)
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#define UNICODE_DEF_FS_ERROR "replace"
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#else
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#define UNICODE_DEF_FS_ERROR "surrogateescape"
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#endif
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#else /* #if PY_MAJOR_VERSION >= 3 */
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#define PY3 0
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/* Module init function returns nothing. */
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#define MODINIT_RETURN(x) return
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#define MODINIT_DEFINE(mod_name) PyMODINIT_FUNC init##mod_name (void)
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#define DECREF_MOD(mod)
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/* Type header differs. */
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#define TYPE_HEAD(x,y) \
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PyObject_HEAD_INIT(x) \
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0,
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/* Text interface. Use ascii strings. */
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#define Text_Type PyString_Type
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#define Text_Check PyString_Check
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#define Text_FromUTF8 PyString_FromString
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#define Text_FromUTF8AndSize PyString_FromStringAndSize
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#define Text_FromFormat PyString_FromFormat
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#define Text_GetSize PyString_GetSize
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#define Text_GET_SIZE PyString_GET_SIZE
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/* Binary interface. Use ascii strings. */
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#define Bytes_Type PyString_Type
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#define Bytes_Check PyString_Check
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#define Bytes_Size PyString_Size
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#define Bytes_AsString PyString_AsString
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#define Bytes_AsStringAndSize PyString_AsStringAndSize
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#define Bytes_FromStringAndSize PyString_FromStringAndSize
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#define Bytes_FromFormat PyString_FromFormat
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#define Bytes_AS_STRING PyString_AS_STRING
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#define Bytes_GET_SIZE PyString_GET_SIZE
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#define Bytes_AsDecodedObject PyString_AsDecodedObject
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#define Object_Unicode PyObject_Unicode
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/* Renamed builtins */
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#define BUILTINS_MODULE "__builtin__"
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#define BUILTINS_UNICODE "unicode"
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#define BUILTINS_UNICHR "unichr"
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/* Defaults for unicode file path encoding */
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#define UNICODE_DEF_FS_CODEC Py_FileSystemDefaultEncoding
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#define UNICODE_DEF_FS_ERROR "strict"
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#endif /* #if PY_MAJOR_VERSION >= 3 */
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#define PY2 (!PY3)
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#define MODINIT_ERROR MODINIT_RETURN (NULL)
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/* Module state. These macros are used to define per-module macros.
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* v - global state variable (Python 2.x)
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* s - global state structure (Python 3.x)
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*/
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#define PY2_GETSTATE(v) (&(v))
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#define PY3_GETSTATE(s, m) ((struct s *) PyModule_GetState (m))
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/* Pep 3123: Making PyObject_HEAD conform to standard C */
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#if !defined(Py_TYPE)
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#define Py_TYPE(o) (((PyObject *)(o))->ob_type)
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#define Py_REFCNT(o) (((PyObject *)(o))->ob_refcnt)
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#define Py_SIZE(o) (((PyVarObject *)(o))->ob_size)
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#endif
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/* Encode a unicode file path */
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#define Unicode_AsEncodedPath(u) \
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PyUnicode_AsEncodedString ((u), UNICODE_DEF_FS_CODEC, UNICODE_DEF_FS_ERROR)
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/* Relative paths introduced in Python 2.6 */
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#if PY_VERSION_HEX >= 0x02060000
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#define HAVE_RELATIVE_IMPORT 1
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#else
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#define HAVE_RELATIVE_IMPORT 0
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#endif
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#if HAVE_RELATIVE_IMPORT
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#define RELATIVE_MODULE(m) ("." m)
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#else
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#define RELATIVE_MODULE(m) (m)
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#endif
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/* Python 3 (PEP 3118) buffer protocol */
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#if PY_VERSION_HEX >= 0x02060000
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#define HAVE_NEW_BUFPROTO 1
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#else
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#define HAVE_NEW_BUFPROTO 0
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#endif
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#define HAVE_OLD_BUFPROTO PY2
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#if !defined(PG_ENABLE_OLDBUF) /* allow for command line override */
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#if HAVE_OLD_BUFPROTO
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#define PG_ENABLE_OLDBUF 1
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#else
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#define PG_ENABLE_OLDBUF 0
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#endif
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#endif
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#ifndef Py_TPFLAGS_HAVE_NEWBUFFER
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#define Py_TPFLAGS_HAVE_NEWBUFFER 0
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#endif
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#ifndef Py_TPFLAGS_HAVE_CLASS
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#define Py_TPFLAGS_HAVE_CLASS 0
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#endif
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#ifndef Py_TPFLAGS_CHECKTYPES
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#define Py_TPFLAGS_CHECKTYPES 0
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#endif
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#if PY_VERSION_HEX >= 0x03020000
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#define Slice_GET_INDICES_EX(slice, length, start, stop, step, slicelength) \
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PySlice_GetIndicesEx(slice, length, start, stop, step, slicelength)
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#else
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#define Slice_GET_INDICES_EX(slice, length, start, stop, step, slicelength) \
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PySlice_GetIndicesEx((PySliceObject *)(slice), length, \
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start, stop, step, slicelength)
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#endif
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/* Python 2.4 (PEP 353) ssize_t */
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#if PY_VERSION_HEX < 0x02050000
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#define PyInt_AsSsize_t PyInt_AsLong
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#define PyInt_FromSsizt_t PyInt_FromLong
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#endif
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/* Support new buffer protocol? */
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#if !defined(PG_ENABLE_NEWBUF) /* allow for command line override */
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#if HAVE_NEW_BUFPROTO && !defined(PYPY_VERSION)
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#define PG_ENABLE_NEWBUF 1
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#else
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#define PG_ENABLE_NEWBUF 0
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#endif
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#endif
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#endif /* #if !defined(PGCOMPAT_H) */
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