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Set up:

    >>> import sys
    >>> from io import BytesIO
    >>> from numpy.lib import format
    >>>
    >>> scalars = [
    ...     np.uint8,
    ...     np.int8,
    ...     np.uint16,
    ...     np.int16,
    ...     np.uint32,
    ...     np.int32,
    ...     np.uint64,
    ...     np.int64,
    ...     np.float32,
    ...     np.float64,
    ...     np.complex64,
    ...     np.complex128,
    ...     object,
    ... ]
    >>>
    >>> basic_arrays = []
    >>>
    >>> for scalar in scalars:
    ...     for endian in '<>':
    ...         dtype = np.dtype(scalar).newbyteorder(endian)
    ...         basic = np.arange(15).astype(dtype)
    ...         basic_arrays.extend([
    ...             np.array([], dtype=dtype),
    ...             np.array(10, dtype=dtype),
    ...             basic,
    ...             basic.reshape((3,5)),
    ...             basic.reshape((3,5)).T,
    ...             basic.reshape((3,5))[::-1,::2],
    ...         ])
    ...
    >>>
    >>> Pdescr = [
    ...     ('x', 'i4', (2,)),
    ...     ('y', 'f8', (2, 2)),
    ...     ('z', 'u1')]
    >>>
    >>>
    >>> PbufferT = [
    ...     ([3,2], [[6.,4.],[6.,4.]], 8),
    ...     ([4,3], [[7.,5.],[7.,5.]], 9),
    ...     ]
    >>>
    >>>
    >>> Ndescr = [
    ...     ('x', 'i4', (2,)),
    ...     ('Info', [
    ...         ('value', 'c16'),
    ...         ('y2', 'f8'),
    ...         ('Info2', [
    ...             ('name', 'S2'),
    ...             ('value', 'c16', (2,)),
    ...             ('y3', 'f8', (2,)),
    ...             ('z3', 'u4', (2,))]),
    ...         ('name', 'S2'),
    ...         ('z2', 'b1')]),
    ...     ('color', 'S2'),
    ...     ('info', [
    ...         ('Name', 'U8'),
    ...         ('Value', 'c16')]),
    ...     ('y', 'f8', (2, 2)),
    ...     ('z', 'u1')]
    >>>
    >>>
    >>> NbufferT = [
    ...     ([3,2], (6j, 6., ('nn', [6j,4j], [6.,4.], [1,2]), 'NN', True), 'cc', ('NN', 6j), [[6.,4.],[6.,4.]], 8),
    ...     ([4,3], (7j, 7., ('oo', [7j,5j], [7.,5.], [2,1]), 'OO', False), 'dd', ('OO', 7j), [[7.,5.],[7.,5.]], 9),
    ...     ]
    >>>
    >>>
    >>> record_arrays = [
    ...     np.array(PbufferT, dtype=np.dtype(Pdescr).newbyteorder('<')),
    ...     np.array(NbufferT, dtype=np.dtype(Ndescr).newbyteorder('<')),
    ...     np.array(PbufferT, dtype=np.dtype(Pdescr).newbyteorder('>')),
    ...     np.array(NbufferT, dtype=np.dtype(Ndescr).newbyteorder('>')),
    ... ]

Test the magic string writing.

    >>> format.magic(1, 0)
    '\x93NUMPY\x01\x00'
    >>> format.magic(0, 0)
    '\x93NUMPY\x00\x00'
    >>> format.magic(255, 255)
    '\x93NUMPY\xff\xff'
    >>> format.magic(2, 5)
    '\x93NUMPY\x02\x05'

Test the magic string reading.

    >>> format.read_magic(BytesIO(format.magic(1, 0)))
    (1, 0)
    >>> format.read_magic(BytesIO(format.magic(0, 0)))
    (0, 0)
    >>> format.read_magic(BytesIO(format.magic(255, 255)))
    (255, 255)
    >>> format.read_magic(BytesIO(format.magic(2, 5)))
    (2, 5)

Test the header writing.

    >>> for arr in basic_arrays + record_arrays:
    ...     f = BytesIO()
    ...     format.write_array_header_1_0(f, arr)   # XXX: arr is not a dict, items gets called on it
    ...     print(repr(f.getvalue()))
    ...
    "F\x00{'descr': '|u1', 'fortran_order': False, 'shape': (0,)}              \n"
    "F\x00{'descr': '|u1', 'fortran_order': False, 'shape': ()}                \n"
    "F\x00{'descr': '|u1', 'fortran_order': False, 'shape': (15,)}             \n"
    "F\x00{'descr': '|u1', 'fortran_order': False, 'shape': (3, 5)}            \n"
    "F\x00{'descr': '|u1', 'fortran_order': True, 'shape': (5, 3)}             \n"
    "F\x00{'descr': '|u1', 'fortran_order': False, 'shape': (3, 3)}            \n"
    "F\x00{'descr': '|u1', 'fortran_order': False, 'shape': (0,)}              \n"
    "F\x00{'descr': '|u1', 'fortran_order': False, 'shape': ()}                \n"
    "F\x00{'descr': '|u1', 'fortran_order': False, 'shape': (15,)}             \n"
    "F\x00{'descr': '|u1', 'fortran_order': False, 'shape': (3, 5)}            \n"
    "F\x00{'descr': '|u1', 'fortran_order': True, 'shape': (5, 3)}             \n"
    "F\x00{'descr': '|u1', 'fortran_order': False, 'shape': (3, 3)}            \n"
    "F\x00{'descr': '|i1', 'fortran_order': False, 'shape': (0,)}              \n"
    "F\x00{'descr': '|i1', 'fortran_order': False, 'shape': ()}                \n"
    "F\x00{'descr': '|i1', 'fortran_order': False, 'shape': (15,)}             \n"
    "F\x00{'descr': '|i1', 'fortran_order': False, 'shape': (3, 5)}            \n"
    "F\x00{'descr': '|i1', 'fortran_order': True, 'shape': (5, 3)}             \n"
    "F\x00{'descr': '|i1', 'fortran_order': False, 'shape': (3, 3)}            \n"
    "F\x00{'descr': '|i1', 'fortran_order': False, 'shape': (0,)}              \n"
    "F\x00{'descr': '|i1', 'fortran_order': False, 'shape': ()}                \n"
    "F\x00{'descr': '|i1', 'fortran_order': False, 'shape': (15,)}             \n"
    "F\x00{'descr': '|i1', 'fortran_order': False, 'shape': (3, 5)}            \n"
    "F\x00{'descr': '|i1', 'fortran_order': True, 'shape': (5, 3)}             \n"
    "F\x00{'descr': '|i1', 'fortran_order': False, 'shape': (3, 3)}            \n"
    "F\x00{'descr': '<u2', 'fortran_order': False, 'shape': (0,)}              \n"
    "F\x00{'descr': '<u2', 'fortran_order': False, 'shape': ()}                \n"
    "F\x00{'descr': '<u2', 'fortran_order': False, 'shape': (15,)}             \n"
    "F\x00{'descr': '<u2', 'fortran_order': False, 'shape': (3, 5)}            \n"
    "F\x00{'descr': '<u2', 'fortran_order': True, 'shape': (5, 3)}             \n"
    "F\x00{'descr': '<u2', 'fortran_order': False, 'shape': (3, 3)}            \n"
    "F\x00{'descr': '>u2', 'fortran_order': False, 'shape': (0,)}              \n"
    "F\x00{'descr': '>u2', 'fortran_order': False, 'shape': ()}                \n"
    "F\x00{'descr': '>u2', 'fortran_order': False, 'shape': (15,)}             \n"
    "F\x00{'descr': '>u2', 'fortran_order': False, 'shape': (3, 5)}            \n"
    "F\x00{'descr': '>u2', 'fortran_order': True, 'shape': (5, 3)}             \n"
    "F\x00{'descr': '>u2', 'fortran_order': False, 'shape': (3, 3)}            \n"
    "F\x00{'descr': '<i2', 'fortran_order': False, 'shape': (0,)}              \n"
    "F\x00{'descr': '<i2', 'fortran_order': False, 'shape': ()}                \n"
    "F\x00{'descr': '<i2', 'fortran_order': False, 'shape': (15,)}             \n"
    "F\x00{'descr': '<i2', 'fortran_order': False, 'shape': (3, 5)}            \n"
    "F\x00{'descr': '<i2', 'fortran_order': True, 'shape': (5, 3)}             \n"
    "F\x00{'descr': '<i2', 'fortran_order': False, 'shape': (3, 3)}            \n"
    "F\x00{'descr': '>i2', 'fortran_order': False, 'shape': (0,)}              \n"
    "F\x00{'descr': '>i2', 'fortran_order': False, 'shape': ()}                \n"
    "F\x00{'descr': '>i2', 'fortran_order': False, 'shape': (15,)}             \n"
    "F\x00{'descr': '>i2', 'fortran_order': False, 'shape': (3, 5)}            \n"
    "F\x00{'descr': '>i2', 'fortran_order': True, 'shape': (5, 3)}             \n"
    "F\x00{'descr': '>i2', 'fortran_order': False, 'shape': (3, 3)}            \n"
    "F\x00{'descr': '<u4', 'fortran_order': False, 'shape': (0,)}              \n"
    "F\x00{'descr': '<u4', 'fortran_order': False, 'shape': ()}                \n"
    "F\x00{'descr': '<u4', 'fortran_order': False, 'shape': (15,)}             \n"
    "F\x00{'descr': '<u4', 'fortran_order': False, 'shape': (3, 5)}            \n"
    "F\x00{'descr': '<u4', 'fortran_order': True, 'shape': (5, 3)}             \n"
    "F\x00{'descr': '<u4', 'fortran_order': False, 'shape': (3, 3)}            \n"
    "F\x00{'descr': '>u4', 'fortran_order': False, 'shape': (0,)}              \n"
    "F\x00{'descr': '>u4', 'fortran_order': False, 'shape': ()}                \n"
    "F\x00{'descr': '>u4', 'fortran_order': False, 'shape': (15,)}             \n"
    "F\x00{'descr': '>u4', 'fortran_order': False, 'shape': (3, 5)}            \n"
    "F\x00{'descr': '>u4', 'fortran_order': True, 'shape': (5, 3)}             \n"
    "F\x00{'descr': '>u4', 'fortran_order': False, 'shape': (3, 3)}            \n"
    "F\x00{'descr': '<i4', 'fortran_order': False, 'shape': (0,)}              \n"
    "F\x00{'descr': '<i4', 'fortran_order': False, 'shape': ()}                \n"
    "F\x00{'descr': '<i4', 'fortran_order': False, 'shape': (15,)}             \n"
    "F\x00{'descr': '<i4', 'fortran_order': False, 'shape': (3, 5)}            \n"
    "F\x00{'descr': '<i4', 'fortran_order': True, 'shape': (5, 3)}             \n"
    "F\x00{'descr': '<i4', 'fortran_order': False, 'shape': (3, 3)}            \n"
    "F\x00{'descr': '>i4', 'fortran_order': False, 'shape': (0,)}              \n"
    "F\x00{'descr': '>i4', 'fortran_order': False, 'shape': ()}                \n"
    "F\x00{'descr': '>i4', 'fortran_order': False, 'shape': (15,)}             \n"
    "F\x00{'descr': '>i4', 'fortran_order': False, 'shape': (3, 5)}            \n"
    "F\x00{'descr': '>i4', 'fortran_order': True, 'shape': (5, 3)}             \n"
    "F\x00{'descr': '>i4', 'fortran_order': False, 'shape': (3, 3)}            \n"
    "F\x00{'descr': '<u8', 'fortran_order': False, 'shape': (0,)}              \n"
    "F\x00{'descr': '<u8', 'fortran_order': False, 'shape': ()}                \n"
    "F\x00{'descr': '<u8', 'fortran_order': False, 'shape': (15,)}             \n"
    "F\x00{'descr': '<u8', 'fortran_order': False, 'shape': (3, 5)}            \n"
    "F\x00{'descr': '<u8', 'fortran_order': True, 'shape': (5, 3)}             \n"
    "F\x00{'descr': '<u8', 'fortran_order': False, 'shape': (3, 3)}            \n"
    "F\x00{'descr': '>u8', 'fortran_order': False, 'shape': (0,)}              \n"
    "F\x00{'descr': '>u8', 'fortran_order': False, 'shape': ()}                \n"
    "F\x00{'descr': '>u8', 'fortran_order': False, 'shape': (15,)}             \n"
    "F\x00{'descr': '>u8', 'fortran_order': False, 'shape': (3, 5)}            \n"
    "F\x00{'descr': '>u8', 'fortran_order': True, 'shape': (5, 3)}             \n"
    "F\x00{'descr': '>u8', 'fortran_order': False, 'shape': (3, 3)}            \n"
    "F\x00{'descr': '<i8', 'fortran_order': False, 'shape': (0,)}              \n"
    "F\x00{'descr': '<i8', 'fortran_order': False, 'shape': ()}                \n"
    "F\x00{'descr': '<i8', 'fortran_order': False, 'shape': (15,)}             \n"
    "F\x00{'descr': '<i8', 'fortran_order': False, 'shape': (3, 5)}            \n"
    "F\x00{'descr': '<i8', 'fortran_order': True, 'shape': (5, 3)}             \n"
    "F\x00{'descr': '<i8', 'fortran_order': False, 'shape': (3, 3)}            \n"
    "F\x00{'descr': '>i8', 'fortran_order': False, 'shape': (0,)}              \n"
    "F\x00{'descr': '>i8', 'fortran_order': False, 'shape': ()}                \n"
    "F\x00{'descr': '>i8', 'fortran_order': False, 'shape': (15,)}             \n"
    "F\x00{'descr': '>i8', 'fortran_order': False, 'shape': (3, 5)}            \n"
    "F\x00{'descr': '>i8', 'fortran_order': True, 'shape': (5, 3)}             \n"
    "F\x00{'descr': '>i8', 'fortran_order': False, 'shape': (3, 3)}            \n"
    "F\x00{'descr': '<f4', 'fortran_order': False, 'shape': (0,)}              \n"
    "F\x00{'descr': '<f4', 'fortran_order': False, 'shape': ()}                \n"
    "F\x00{'descr': '<f4', 'fortran_order': False, 'shape': (15,)}             \n"
    "F\x00{'descr': '<f4', 'fortran_order': False, 'shape': (3, 5)}            \n"
    "F\x00{'descr': '<f4', 'fortran_order': True, 'shape': (5, 3)}             \n"
    "F\x00{'descr': '<f4', 'fortran_order': False, 'shape': (3, 3)}            \n"
    "F\x00{'descr': '>f4', 'fortran_order': False, 'shape': (0,)}              \n"
    "F\x00{'descr': '>f4', 'fortran_order': False, 'shape': ()}                \n"
    "F\x00{'descr': '>f4', 'fortran_order': False, 'shape': (15,)}             \n"
    "F\x00{'descr': '>f4', 'fortran_order': False, 'shape': (3, 5)}            \n"
    "F\x00{'descr': '>f4', 'fortran_order': True, 'shape': (5, 3)}             \n"
    "F\x00{'descr': '>f4', 'fortran_order': False, 'shape': (3, 3)}            \n"
    "F\x00{'descr': '<f8', 'fortran_order': False, 'shape': (0,)}              \n"
    "F\x00{'descr': '<f8', 'fortran_order': False, 'shape': ()}                \n"
    "F\x00{'descr': '<f8', 'fortran_order': False, 'shape': (15,)}             \n"
    "F\x00{'descr': '<f8', 'fortran_order': False, 'shape': (3, 5)}            \n"
    "F\x00{'descr': '<f8', 'fortran_order': True, 'shape': (5, 3)}             \n"
    "F\x00{'descr': '<f8', 'fortran_order': False, 'shape': (3, 3)}            \n"
    "F\x00{'descr': '>f8', 'fortran_order': False, 'shape': (0,)}              \n"
    "F\x00{'descr': '>f8', 'fortran_order': False, 'shape': ()}                \n"
    "F\x00{'descr': '>f8', 'fortran_order': False, 'shape': (15,)}             \n"
    "F\x00{'descr': '>f8', 'fortran_order': False, 'shape': (3, 5)}            \n"
    "F\x00{'descr': '>f8', 'fortran_order': True, 'shape': (5, 3)}             \n"
    "F\x00{'descr': '>f8', 'fortran_order': False, 'shape': (3, 3)}            \n"
    "F\x00{'descr': '<c8', 'fortran_order': False, 'shape': (0,)}              \n"
    "F\x00{'descr': '<c8', 'fortran_order': False, 'shape': ()}                \n"
    "F\x00{'descr': '<c8', 'fortran_order': False, 'shape': (15,)}             \n"
    "F\x00{'descr': '<c8', 'fortran_order': False, 'shape': (3, 5)}            \n"
    "F\x00{'descr': '<c8', 'fortran_order': True, 'shape': (5, 3)}             \n"
    "F\x00{'descr': '<c8', 'fortran_order': False, 'shape': (3, 3)}            \n"
    "F\x00{'descr': '>c8', 'fortran_order': False, 'shape': (0,)}              \n"
    "F\x00{'descr': '>c8', 'fortran_order': False, 'shape': ()}                \n"
    "F\x00{'descr': '>c8', 'fortran_order': False, 'shape': (15,)}             \n"
    "F\x00{'descr': '>c8', 'fortran_order': False, 'shape': (3, 5)}            \n"
    "F\x00{'descr': '>c8', 'fortran_order': True, 'shape': (5, 3)}             \n"
    "F\x00{'descr': '>c8', 'fortran_order': False, 'shape': (3, 3)}            \n"
    "F\x00{'descr': '<c16', 'fortran_order': False, 'shape': (0,)}             \n"
    "F\x00{'descr': '<c16', 'fortran_order': False, 'shape': ()}               \n"
    "F\x00{'descr': '<c16', 'fortran_order': False, 'shape': (15,)}            \n"
    "F\x00{'descr': '<c16', 'fortran_order': False, 'shape': (3, 5)}           \n"
    "F\x00{'descr': '<c16', 'fortran_order': True, 'shape': (5, 3)}            \n"
    "F\x00{'descr': '<c16', 'fortran_order': False, 'shape': (3, 3)}           \n"
    "F\x00{'descr': '>c16', 'fortran_order': False, 'shape': (0,)}             \n"
    "F\x00{'descr': '>c16', 'fortran_order': False, 'shape': ()}               \n"
    "F\x00{'descr': '>c16', 'fortran_order': False, 'shape': (15,)}            \n"
    "F\x00{'descr': '>c16', 'fortran_order': False, 'shape': (3, 5)}           \n"
    "F\x00{'descr': '>c16', 'fortran_order': True, 'shape': (5, 3)}            \n"
    "F\x00{'descr': '>c16', 'fortran_order': False, 'shape': (3, 3)}           \n"
    "F\x00{'descr': 'O', 'fortran_order': False, 'shape': (0,)}              \n"
    "F\x00{'descr': 'O', 'fortran_order': False, 'shape': ()}                \n"
    "F\x00{'descr': 'O', 'fortran_order': False, 'shape': (15,)}             \n"
    "F\x00{'descr': 'O', 'fortran_order': False, 'shape': (3, 5)}            \n"
    "F\x00{'descr': 'O', 'fortran_order': True, 'shape': (5, 3)}             \n"
    "F\x00{'descr': 'O', 'fortran_order': False, 'shape': (3, 3)}            \n"
    "F\x00{'descr': 'O', 'fortran_order': False, 'shape': (0,)}              \n"
    "F\x00{'descr': 'O', 'fortran_order': False, 'shape': ()}                \n"
    "F\x00{'descr': 'O', 'fortran_order': False, 'shape': (15,)}             \n"
    "F\x00{'descr': 'O', 'fortran_order': False, 'shape': (3, 5)}            \n"
    "F\x00{'descr': 'O', 'fortran_order': True, 'shape': (5, 3)}             \n"
    "F\x00{'descr': 'O', 'fortran_order': False, 'shape': (3, 3)}            \n"
    "v\x00{'descr': [('x', '<i4', (2,)), ('y', '<f8', (2, 2)), ('z', '|u1')],\n 'fortran_order': False,\n 'shape': (2,)}         \n"
    "\x16\x02{'descr': [('x', '<i4', (2,)),\n           ('Info',\n            [('value', '<c16'),\n             ('y2', '<f8'),\n             ('Info2',\n              [('name', '|S2'),\n               ('value', '<c16', (2,)),\n               ('y3', '<f8', (2,)),\n               ('z3', '<u4', (2,))]),\n             ('name', '|S2'),\n             ('z2', '|b1')]),\n           ('color', '|S2'),\n           ('info', [('Name', '<U8'), ('Value', '<c16')]),\n           ('y', '<f8', (2, 2)),\n           ('z', '|u1')],\n 'fortran_order': False,\n 'shape': (2,)}      \n"
    "v\x00{'descr': [('x', '>i4', (2,)), ('y', '>f8', (2, 2)), ('z', '|u1')],\n 'fortran_order': False,\n 'shape': (2,)}         \n"
    "\x16\x02{'descr': [('x', '>i4', (2,)),\n           ('Info',\n            [('value', '>c16'),\n             ('y2', '>f8'),\n             ('Info2',\n              [('name', '|S2'),\n               ('value', '>c16', (2,)),\n               ('y3', '>f8', (2,)),\n               ('z3', '>u4', (2,))]),\n             ('name', '|S2'),\n             ('z2', '|b1')]),\n           ('color', '|S2'),\n           ('info', [('Name', '>U8'), ('Value', '>c16')]),\n           ('y', '>f8', (2, 2)),\n           ('z', '|u1')],\n 'fortran_order': False,\n 'shape': (2,)}      \n"
é    N)ÚBytesIO)Úassert_Úassert_array_equalÚassert_raisesÚassert_raises_regexÚassert_warnsÚIS_PYPY)Úrequires_memory)Úformatz<>iÜ  ©Údtypeé
   )é   é2   éÿÿÿÿé   )©ÚxÚi4©r   ©ÚyÚf8©r   r   ©ÚzÚu1é   g      @g      @é   é   g      @g      @é	   r   ZInfo)ÚvalueÚc16)Úy2r   ZInfo2)©ÚnameÚS2)r!   r"   r   )Zy3r   r   )Zz3Zu4r   r$   )Zz2Úb1)Úcolorr&   Úinfo)ÚNameZU8)ÚValuer"   r   r   ù              @Únny              @é   ÚNNTÚcc)r/   r,   ù              @Zooy              @ÚOOFÚdd)r2   r1   ú<ú>)Úc©z<f8©é   r   c                       s   e Zd Zd‡ fdd„	Z‡  ZS )ÚBytesIOSRandomSizeNc                    s    dd l }| d|¡}tƒ  |¡S )Nr   r.   )ÚrandomÚrandintÚsuperÚread)ÚselfÚsizer;   ©Ú	__class__© úX/var/www/html/barcode/barcode/lib/python3.9/site-packages/numpy/lib/tests/test_format.pyr>   ‘  s    zBytesIOSRandomSize.read)N)Ú__name__Ú
__module__Ú__qualname__r>   Ú__classcell__rC   rC   rA   rD   r:     s   r:   c                 C   s0   t ƒ }t || ¡ t | ¡ ƒ}tj|dd}|S )NT©Úallow_pickle©r   r
   Úwrite_arrayÚgetvalueÚ
read_array©ÚarrÚfÚf2Úarr2rC   rC   rD   Ú	roundtrip—  s
    rT   c                 C   s,   t ƒ }t || ¡ t| ¡ ƒ}t |¡}|S ©N)r   r
   rL   r:   rM   rN   rO   rC   rC   rD   Úroundtrip_randsizeŸ  s
    
rV   c                 C   s4   t ƒ }t || ¡ t | ¡ dd… ƒ}t |¡}|S )Nr   r   rK   rO   rC   rC   rD   Úroundtrip_truncated§  s
    
rW   c                 C   s   t | |kƒ d S rU   )r   )Zo1Zo2rC   rC   rD   Úassert_equal_°  s    rX   c                  C   s$   t t D ]} t| ƒ}t| |ƒ qd S rU   )Úbasic_arraysÚrecord_arraysrT   r   ©rP   rS   rC   rC   rD   Útest_roundtrip´  s    r\   c                  C   s.   t t D ] } | jtkrt| ƒ}t| |ƒ qd S rU   )rY   rZ   r   ÚobjectrV   r   r[   rC   rC   rD   Útest_roundtrip_randsizeº  s    
r^   c                  C   s$   t D ]} | jtkrttt| ƒ qd S rU   )rY   r   r]   r   Ú
ValueErrorrW   ©rP   rC   rC   rD   Útest_roundtrip_truncatedÁ  s    
ra   c                  C   s4   t jdt  ttjd f¡d} t| ƒ}t| |ƒ d S )Nr.   r   )ÚnpÚonesr   Ústrr
   ÚBUFFER_SIZErT   r   )Zlong_str_arrZlong_str_arr2rC   rC   rD   Útest_long_strÇ  s    rf   c           
   	   C   sH  t tt ƒD ]4\}}|jjr qtj | d|› d¡}tj | d|› d¡}t|dƒ}t	 
||¡ W d   ƒ n1 sx0    Y  |jjo’|jj }t	j|d|j|j|d}||d< | ¡  t|dƒ}| ¡ }W d   ƒ n1 sä0    Y  t|dƒ}| ¡ }	W d   ƒ n1 s0    Y  t||	ƒ t	j|d	d
}| ¡  qd S )NÚnormalz.npyZmemmapÚwbúw+)Úmoder   ÚshapeÚfortran_order.ÚrbÚr©rj   )Ú	enumeraterY   rZ   r   Z	hasobjectÚosÚpathÚjoinÚopenr
   rL   ÚflagsÚf_contiguousÚc_contiguousÚopen_memmaprk   Úflushr>   rX   )
ÚtmpdirÚirP   ZnfnZmfnÚfprl   ÚmaZnormal_bytesZmemmap_bytesrC   rC   rD   Útest_memmap_roundtripÎ  s*    *ÿÿ&(
r~   c                 C   sj   t j dd¡}tj | d¡}t j||d t  |¡}|d }W d   ƒ n1 sR0    Y  t||ƒ d S )NéÈ   zcompressed.npzr`   rP   )	rb   r;   Zrandrq   rr   rs   Zsavez_compressedÚloadr   )rz   rP   Únpz_fileÚnpzÚarr1rC   rC   rD   Útest_compressed_roundtripì  s    &r„   z
i1, i4, i1)ZalignÚaÚbr   é   )ÚnamesÚformatsÚoffsetsr6   Úd)rˆ   r‰   )r…   Ú r†   ZaaZbb)rˆ   r‰   rŠ   Útitles)rˆ   r‰   ÚitemsizeÚdtc                 C   s‚   t  d|¡}tdƒD ]}|d ||< qtj | d¡}t j||d t  |¡}|d }W d   ƒ n1 sj0    Y  t||ƒ d S )Nr   r9   zaligned.npzr`   rP   )	rb   ÚzerosÚrangerq   rr   rs   Úsavezr€   r   )rz   r   rP   r{   r   r‚   rƒ   rC   rC   rD   Útest_load_padded_dtype  s    &r“   c                  C   s:   d} t j t j t¡d| ¡}t |¡}t|t d¡ƒ d S )Nzwin64python2.npyÚdatar   )	rq   rr   rs   ÚdirnameÚ__file__rb   r€   r   rc   )Úfnamerr   r”   rC   rC   rD   Ú%test_python2_python3_interoperability  s    
r˜   c               	   C   s„  t j t j t¡d¡} tjd tddgtd}dD ]L}t j | |¡}dD ]¨}tj	|d|d}| 
d	¡rx|d
 }| ¡  n|}|dkrÔ| d¡rÔtt|d tƒƒ t|d d… |d d… ƒ t|d  |¡|d ƒ qHtt|d tƒƒ t||ƒ qH| d¡r0| 
d	¡rVtj	|dd}tt|jd
ƒ | ¡  tj	|dddd}tt|jd
ƒ | ¡  q0tttj	|dd tttj	|dddd q0d S )Nr”   u   å„ªè‰¯s   ä¸è‰¯r   )úpy2-objarr.npyúpy2-objarr.npzzpy3-objarr.npyzpy3-objarr.npz)ÚbytesÚlatin1T©rJ   Úencodingz.npzr   rœ   Zpy2r   r   rI   F)rJ   Úfix_importsrž   )rq   rr   rs   r•   r–   rb   Úarrayr‘   r]   r€   ÚendswithÚcloseÚ
startswithr   Ú
isinstancerd   r   Úencoder›   r   ÚUnicodeErrorÚ__getitem__ÚImportError)Údata_dirÚexpectedr—   rr   rž   Zdata_fr”   rC   rC   rD   Útest_pickle_python2_python3  sJ    
ÿþ




ÿ

ÿ
þr«   c                 C   s¶   t j t j t¡d¡}t j |d¡}tttj|ddd t j |d¡}tj|ddd}tt|j	dƒ W d   ƒ n1 sz0    Y  t j | d¡}tttj
|tjd gtd	dd
 d S )Nr”   r™   Frœ   r   rš   r   zpickle-disabled.npyr   rI   )rq   rr   rs   r•   r–   r   r_   rb   r€   r§   Úsaver    r]   )rz   r©   rr   rQ   rC   rC   rD   Útest_pickle_disallowE  s    
ÿ,ÿr­   )r   r   Úi1)rˆ   r‰   rŠ   rŽ   )r   )r   r7   r   r8   c                 C   s8   t  | j¡}t|| ƒ t d| ¡}t|ƒ}t||ƒ d S )Nr   )r
   Zdescr_to_dtypeÚdescrrX   rb   r   rT   r   )r   Údt1rƒ   rS   rC   rC   rD   Útest_descr_to_dtypeT  s
    2
r±   c                  C   sê   t ƒ } dd„ tdƒD ƒ}tjd|d}tj| |dd tjdd	<}t d
dt	¡ t | |¡ t
|d jt	u ƒ W d   ƒ n1 s„0    Y  |  d¡ |  ¡ }t
t|ƒtj dkƒ |  d¡ t | ¡}t||ƒ tttj| |dƒ d S )Nc                 S   s   g | ]}d | d t f‘qS ©z%déd   ©Úfloat©Ú.0r{   rC   rC   rD   Ú
<listcomp>  ó    z$test_version_2_0.<locals>.<listcomp>éô  éè  r   ©r   r   ©ÚversionT©ÚrecordÚalwaysrŒ   r   ©r.   r   )r   r‘   rb   rc   r
   rL   ÚwarningsÚcatch_warningsÚfilterwarningsÚUserWarningr   ÚcategoryÚseekÚreadlineÚlenÚARRAY_ALIGNrN   r   r   r_   )rQ   r   r‹   ÚwÚheaderÚnrC   rC   rD   Útest_version_2_0Œ  s    0



rÏ   c              	   C   s*  dd„ t dƒD ƒ}tjd|d}tj | d¡}tj | d¡}tttj	|d|j
|jd	d
 tj	|d|j
|jdd
}||d< | ¡  tj	|dd}t||ƒ tjddX}t ddt¡ tj	|d|j
|jd d
}t|d jtu ƒ ||d< | ¡  W d   ƒ n1 s0    Y  tj	|dd}t||ƒ d S )Nc                 S   s   g | ]}d | d t f‘qS r²   r´   r¶   rC   rC   rD   r¸   §  r¹   z+test_version_2_0_memmap.<locals>.<listcomp>rº   r»   r   zversion2_01.npyzversion2_02.npyri   rÂ   )rj   r   rk   r¾   r¼   .rn   ro   Tr¿   rÁ   rŒ   r   )r‘   rb   rc   rq   rr   rs   r   r_   r
   rx   r   rk   ry   r   rÃ   rÄ   rÅ   rÆ   r   rÇ   )rz   r   r‹   Ztf1Ztf2r}   rÌ   rC   rC   rD   Útest_version_2_0_memmap¥  s0    ÿÿ
ÿ(rÐ   c               	   C   s´   t ƒ } t d¡}tj| |dd t | |¡ tj| |d d t | |¡ tj| |dd t | |¡ g d¢}|D ]>}ttdƒ  tj| ||d W d   ƒ qp1 s¤0    Y  qpd S )Nr.   rÂ   r½   r¼   ))r.   r.   )r   r   )r   r.   r   )éÿ   rÑ   z we only support format version.*)r   rb   Úaranger
   rL   r   r_   )rQ   rP   Zbad_versionsr¾   rC   rC   rD   Útest_write_versionÃ  s    
ÿrÓ   )s   “NUMPYs   “NUMPY  s   “NUMPY s   “NUMPY s   “NUMPYs   “NUMPYÿÿ)s   ’NUMPY s    NUMPY s   “numpy s   “MATLB s   “NUMPYs   “NUMPYr¹   c                  C   s¢   t ƒ } t ƒ }tjdtd}tj| |dd tj||dd |  d¡ | d¡ t | ¡}t |¡}t|dkƒ t|dkƒ t|  	¡ tj
kƒ t| 	¡ tj
kƒ d S )N©r   r‡   r   rÂ   r½   r¼   r   )r   rb   rc   rµ   r
   rL   rÈ   Z
read_magicr   ÚtellÚ	MAGIC_LEN)Ús1Ús2rP   Zversion1Zversion2rC   rC   rD   Útest_read_magicð  s    



rÙ   c                  C   s$   t D ]} t| ƒ}tttj|ƒ qd S rU   )Úmalformed_magicr   r   r_   r
   rN   ©ÚmagicrQ   rC   rC   rD   Útest_read_magic_bad_magic  s    rÝ   c                  C   s(   t t D ]} t| ƒ}tttj|ƒ qd S rU   )Úbad_version_magicrÚ   r   r   r_   r
   rN   rÛ   rC   rC   rD   Útest_read_version_1_0_bad_magic  s    rß   c                   C   sD   t ttjddƒ t ttjddƒ t ttjddƒ t ttjddƒ d S )Nr   r.   é   )r   r_   r
   rÜ   rC   rC   rC   rD   Útest_bad_magic_args  s    rá   c                  C   sF   t ƒ } dddœ}t | |¡ t ƒ } dddd dœ}tttj| |ƒ d S )Nr.   r   )r…   r†   A   xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxrà   )r…   r†   r6   )r   r
   Úwrite_array_header_1_0r   r_   ©Úsr‹   rC   rC   rD   Útest_large_header  s    
rå   c                  C   sr   t ƒ } tjdtd}tj| |dd |  tj¡ t | ¡\}}}t	|  
¡ tj dkƒ t	|||fddtfkƒ d S )NrÔ   r   rÂ   r½   r   F)r   rb   rc   rµ   r
   rL   rÈ   rÖ   Úread_array_header_1_0r   rÕ   rË   ©rä   rP   rk   Zfortranr   rC   rC   rD   Útest_read_array_header_1_0"  s    rè   c                  C   sr   t ƒ } tjdtd}tj| |dd |  tj¡ t | ¡\}}}t	|  
¡ tj dkƒ t	|||fddtfkƒ d S )NrÔ   r   r¼   r½   r   F)r   rb   rc   rµ   r
   rL   rÈ   rÖ   Zread_array_header_2_0r   rÕ   rË   rç   rC   rC   rD   Útest_read_array_header_2_0/  s    ré   c                  C   sœ   t ƒ } tttj| ƒ t dƒ} tttj| ƒ t dƒ} tttj| ƒ dddœ}t ƒ } t | |¡ tttj| ƒ dddddœ}t ƒ } t | |¡ tttj| ƒ d S )	Nó   1s    ©r.   r   r   )rk   r¯   Fr   )rk   rl   r¯   Zextrakey)r   r   r_   r
   ræ   râ   rã   rC   rC   rD   Útest_bad_header<  s(    ÿýrì   c                 C   sþ   t jdkst jdkrt d¡ tj | d¡}zdd l}| ddd|g¡ W n t	yf   t d	¡ Y n0 t
|d
ƒ0}| d¡ t d¡}t ||¡ W d   ƒ n1 s¨0    Y  t
|dƒ$}| d¡ t |¡}W d   ƒ n1 sæ0    Y  t||ƒ d S )NÚwin32Úcygwinz)Unknown if Windows has sparse filesystemsZsparse_filer   Útruncatez-sZ
5368709120zCould not create 5GB large filerh   l        r9   rm   )ÚsysÚplatformÚpytestÚskiprq   rr   rs   Ú
subprocessÚ
check_callÚ	Exceptionrt   rÈ   rb   rÒ   r¬   r€   r   )rz   Ztf_nameÚsprQ   r‹   rn   rC   rC   rD   Útest_large_file_supportW  s     


*
(rø   ztest requires 64-bit system)Úreasonl        )Z
free_bytesc                 C   sÈ   d}zt j|t jd}W n ty4   t d¡ Y n0 tj | d¡}t	|dƒ}t j
||d W d   ƒ n1 sr0    Y  ~t	|dƒ}t  |¡d }W d   ƒ n1 s¬0    Y  |j|ksÄJ ‚d S )	N)i   @r   r   zCould not create large fileZlarge_archiverh   r`   rm   rP   )rb   ÚemptyÚuint8ÚMemoryErrorrò   ró   rq   rr   rs   rt   r’   r€   rk   )rz   rk   r…   r—   rQ   Únew_arC   rC   rD   Útest_large_archivep  s    ,,rþ   c                 C   sF   t j | d¡}t |¡ t |¡}W d   ƒ n1 s80    Y  d S )Nznothing.npz)rq   rr   rs   rb   r’   r€   )rz   r—   ZnpsrC   rC   rD   Útest_empty_npzŠ  s    
rÿ   c              	   C   s
  t jg d¢dtfdtfgd}tj | d¡}t|dƒ }tj||dd W d   ƒ n1 s\0    Y  t|d	ƒ}t 	|¡}W d   ƒ n1 s0    Y  t
||ƒ t|dƒH}ttƒ  tj||d d W d   ƒ n1 sÞ0    Y  W d   ƒ n1 sü0    Y  d S )
N)©r.   r   rë   r   rë   Úintu   æ•´å½¢r   zunicode.npyrh   )r   r   r½   rm   )rb   r    r  rq   rr   rs   rt   r
   rL   rN   r   r   rÆ   )rz   rP   r—   rQ   rS   rC   rC   rD   Útest_unicode_field_names’  s    
þû	.(

r  zdt, failZS3ZsomeÚstuff)ÚmetadataZsubarrayr   )é   r   r   zPyPy bug in error formattingc                 C   sÊ   t jd| d}tƒ }ttƒ t  ||¡ W d   ƒ n1 s>0    Y  | d¡ |rŠttƒ t  	|¡ W d   ƒ qÆ1 s~0    Y  n<t  	|¡}ddl
m} t||ƒ ||jƒs¸J ‚||jƒrÆJ ‚d S )Nr   r   r   )Ú_has_metadata)rb   rc   r   r   rÆ   r¬   rÈ   r   r_   r€   Znumpy.lib.formatr  r   r   )r   ZfailrP   ÚbufrS   r  rC   rC   rD   Útest_metadata_dtypeª  s    
*

*

r  )fÚ__doc__rð   rq   rÃ   rò   Úior   Únumpyrb   Znumpy.testingr   r   r   r   r   r   Znumpy.testing._private.utilsr	   Z	numpy.libr
   rû   Zint8Zuint16Úint16Zuint32Úint32Zuint64Úint64Úfloat32Úfloat64Z	complex64Z
complex128r]   ZscalarsrY   ZscalarZendianr   ZnewbyteorderrÒ   ZastypeÚbasicÚextendr    ZreshapeÚTZPdescrZPbufferTZNdescrZNbufferTr   rZ   r:   rT   rV   rW   rX   r\   r^   ra   rf   r~   r„   r°   Zdt2Zdt3Zdt4Zdt5Zdt6ÚmarkZparametrizer“   r˜   r«   r­   r  r±   rÏ   rÐ   rÓ   rÞ   rÚ   rÙ   rÝ   rß   rá   rå   rè   ré   rì   rø   ZskipifZintprŽ   Zslowrþ   rÿ   r  rµ   Úimplementationr¾   r  rC   rC   rC   rD   Ú<module>   sx     ó
ô
ý
÷
þï&ÿ&ÿúû
	
ÿÿ
/þýüýûú


ýûø
ýþø
õòÿã1


ÿÿÿ
ÿþú
ÿ