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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_PYPYÚIS_WASM)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   ÚInfo)ÚvalueÚc16)Úy2r   ÚInfo2)©ÚnameÚS2)r#   r$   r   )Úy3r   r   )Úz3Úu4r   r'   )Úz2Úb1)Úcolorr)   Úinfo)ÚNameÚU8)ÚValuer$   r   r   ù              @Únny              @é   ÚNNTÚcc)r7   r4   ù              @Úooy              @ÚOOFÚdd)r;   r9   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   r6   )ÚrandomÚrandintÚsuperÚread)ÚselfÚsizerD   ©Ú	__class__© úX/var/www/html/CropPilot/venv/lib/python3.10/site-packages/numpy/lib/tests/test_format.pyrG   ‘  s   zBytesIOSRandomSize.read©N)Ú__name__Ú
__module__Ú__qualname__rG   Ú__classcell__rL   rL   rJ   rM   rC   �  s    rC   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arr2rL   rL   rM   Ú	roundtrip—  s
   r^   c                 C   s,   t ƒ }t || ¡ t| ¡ ƒ}t |¡}|S rN   )r   r   rV   rC   rW   rX   rY   rL   rL   rM   Úroundtrip_randsizeŸ  s
   
r_   c                 C   s4   t ƒ }t || ¡ t | ¡ dd… ƒ}t |¡}|S )Nr   r   rU   rY   rL   rL   rM   Úroundtrip_truncated§  s
   
r`   c                 C   s   t | |kƒ d S rN   )r   )Úo1Úo2rL   rL   rM   Úassert_equal_°  s   rc   c                  C   s$   t t D ]} t| ƒ}t| |ƒ qd S rN   )Úbasic_arraysÚrecord_arraysr^   r   ©rZ   r]   rL   rL   rM   Útest_roundtrip´  s   þrg   c                  C   s.   t t D ]} | jtkrt| ƒ}t| |ƒ qd S rN   )rd   re   r   Úobjectr_   r   rf   rL   rL   rM   Útest_roundtrip_randsizeº  s   

€ýri   c                  C   s$   t D ]} | jtkrttt| ƒ qd S rN   )rd   r   rh   r   Ú
ValueErrorr`   ©rZ   rL   rL   rM   Útest_roundtrip_truncatedÁ  s
   
€þrl   c                  C   s4   t jdt  ttjd f¡d�} t| ƒ}t| |ƒ d S )Nr6   r   )ÚnpÚonesr   Ústrr   ÚBUFFER_SIZEr^   r   )Úlong_str_arrÚlong_str_arr2rL   rL   rM   Útest_long_strÇ  s   rs   zmemmap doesn't work correctly)Úreasonc           
   	   C   sD  t tt ƒD ]™\}}|jjrqtj | d|› d�¡}tj | d|› d�¡}t|dƒ�}t	 
||¡ W d   ƒ n1 s;w   Y  |jjoH|jj }t	j|d|j|j|d�}||d< | ¡  t|dƒ�}| ¡ }W d   ƒ n1 sqw   Y  t|dƒ�}| ¡ }	W d   ƒ n1 sŠw   Y  t||	ƒ t	j|d	d
�}| ¡  qd S )NÚnormalz.npyÚmemmapÚwbúw+)Úmoder   ÚshapeÚfortran_order.ÚrbÚr)ry   )Ú	enumeraterd   re   r   Ú	hasobjectÚosÚpathÚjoinÚopenr   rV   ÚflagsÚf_contiguousÚc_contiguousÚopen_memmaprz   ÚflushrG   rc   )
ÚtmpdirÚirZ   ÚnfnÚmfnÚfpr{   ÚmaÚnormal_bytesÚmemmap_bytesrL   rL   rM   Útest_memmap_roundtripÎ  s2   ÿÿÿ
ÿ
ÿ

ær‘   c                 C   sj   t j dd¡}tj | d¡}t j||d� t  |¡�}|d }W d   ƒ n1 s)w   Y  t||ƒ d S )NéÈ   zcompressed.npzrk   rZ   )	rm   rD   Úrandr€   r�   r‚   Úsavez_compressedÚloadr   )r‰   rZ   Únpz_fileÚnpzÚarr1rL   rL   rM   Útest_compressed_roundtripî  s   
ÿr™   z
i1, i4, i1)ÚalignÚaÚbr   é   )ÚnamesÚformatsÚoffsetsr?   Úd)rž   rŸ   )r›   Ú rœ   ÚaaÚbb)rž   rŸ   r    Útitles)rž   rŸ   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 s5w   Y  t||ƒ d S )Nr   rB   zaligned.npzrk   rZ   )	rm   ÚzerosÚranger€   r�   r‚   Úsavezr•   r   )r‰   r§   rZ   rŠ   r–   r—   r˜   rL   rL   rM   Útest_load_padded_dtype  s   
ÿr«   )r   é   zsee gh-23988z!Emscripten NODEFS has a buggy dupc                  C   sh   d} t j t j t¡d| ¡}tjtdd�� t 	|¡}W d   ƒ n1 s%w   Y  t
|t d¡ƒ d S )Nzwin64python2.npyÚdatazReading.*this warning\.©Úmatchr   )r€   r�   r‚   ÚdirnameÚ__file__ÚpytestÚwarnsÚUserWarningrm   r•   r   rn   )Úfnamer�   r­   rL   rL   rM   Ú%test_python2_python3_interoperability  s   ÿr¶   c               	   C   s€  t j t j t¡d¡} tjd tddgtd�}dD ]¥}t j | |¡}dD ]T}tj	|d|d�}| 
d	¡r;|d
 }| ¡  n|}|dkri| d¡ritt|d tƒƒ t|d d… |d d… ƒ t|d  |¡|d ƒ q#tt|d tƒƒ t||ƒ q#| d¡r½| 
d	¡r©tj	|dd�}tt|jd
ƒ | ¡  tj	|dddd�}tt|jd
ƒ | ¡  qtttj	|dd� tttj	|dddd� qd 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©rT   Úencodingz.npzr   rº   Úpy2r   r   rS   F)rT   Úfix_importsr¼   )r€   r�   r‚   r°   r±   rm   Úarrayr©   rh   r•   ÚendswithÚcloseÚ
startswithr   Ú
isinstancero   r   Úencoder¹   r   ÚUnicodeErrorÚ__getitem__ÚImportError)Údata_dirÚexpectedrµ   r�   r¼   Údata_fr­   rL   rL   rM   Útest_pickle_python2_python3  sN   
ÿþ




ÿ

ÿ
þ€ßrË   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 s=w   Y  t j | d¡}tttj
|tjd gtd	�dd
� d S )Nr­   r·   Frº   r»   r¸   r   zpickle-disabled.npyr   rS   )r€   r�   r‚   r°   r±   r   rj   rm   r•   rÆ   Úsaver¿   rh   )r‰   rÈ   r�   r[   rL   rL   rM   Útest_pickle_disallowJ  s   
ÿÿ
ÿrÍ   )r   r   Úi1)rž   rŸ   r    r¦   )r    )r   r@   r   rA   c                 C   s8   t  | j¡}t|| ƒ t d| ¡}t|ƒ}t||ƒ d S )Nr   )r   Údescr_to_dtypeÚdescrrc   rm   r¨   r^   r   )r§   Údt1r˜   r]   rL   rL   rM   Útest_descr_to_dtypeY  s
   2
rÒ   c                  C   sî   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 sBw   Y  |  d¡ |  ¡ }t
t|ƒtj dkƒ |  d¡ tj| dd�}t||ƒ tttj| |dƒ d S )Nc                 S   ó   g | ]
}d | d t f‘qS ©z%déd   ©Úfloat©Ú.0rŠ   rL   rL   rM   Ú
<listcomp>”  ó    z$test_version_2_0.<locals>.<listcomp>éô  éè  r   ©r   r   ©ÚversionT©ÚrecordÚalwaysr¢   r   é@ ©Úmax_header_size©r6   r   )r   r©   rm   rn   r   rV   ÚwarningsÚcatch_warningsÚfilterwarningsr´   r   ÚcategoryÚseekÚreadlineÚlenÚARRAY_ALIGNrX   r   r   rj   )r[   r§   r¡   ÚwÚheaderÚnrL   rL   rM   Útest_version_2_0‘  s    ý


ró   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d�}t||ƒ tjdd��,}t ddt¡ tj	|d|j
|jd d
�}t|d jtu ƒ ||d< | ¡  W d   ƒ n1 s‚w   Y  tj	|ddd�}t||ƒ d S )Nc                 S   rÓ   rÔ   rÖ   rØ   rL   rL   rM   rÚ   ­  rÛ   z+test_version_2_0_memmap.<locals>.<listcomp>rÜ   rÝ   r   zversion2_01.npyzversion2_02.npyrx   rç   )ry   r   rz   rà   rÞ   .r}   rä   )ry   ræ   Trá   rã   r¢   r   )r©   rm   rn   r€   r�   r‚   r   rj   r   r‡   r   rz   rˆ   r   rè   ré   rê   r´   r   rë   )r‰   r§   r¡   Útf1Útf2rŽ   rð   rL   rL   rM   Útest_version_2_0_memmapª  s2   ÿÿ
ÿ
úrö   Ú	mmap_moder}   c                 C   s  t j | d¡}tjddd d d�}tjtdd�� t ||¡ W d   ƒ n1 s*w   Y  tj	t
d	d�� tj||d
� W d   ƒ n1 sHw   Y  tj	t
d	d�� tj||dd� W d   ƒ n1 sgw   Y  tj||dd�}t||ƒ tj||dd�}t||ƒ d S )Nzlarge_header.npyr6   úi,é'  rŠ   r   ú.*format 2.0r®   úHeader.*large)r÷   é N  )r÷   ræ   T)r÷   rT   é ¿ )r€   r�   r‚   rm   r¿   r²   r³   r´   rÌ   Úraisesrj   r•   r   )r‰   r÷   r[   rZ   ÚresrL   rL   rM   Útest_huge_headerÉ  s   ÿÿÿ
r   c                 C   s  t j | d¡}tjddd d d�}tjtdd�� tj||d	� W d   ƒ n1 s+w   Y  tj	t
d
d�� t |¡d  W d   ƒ n1 sIw   Y  tj	t
d
d�� tj|dd�d  W d   ƒ n1 siw   Y  tj|dd�d }t||ƒ tj|dd�d }t||ƒ d S )Nzlarge_header.npzr6   rø   rù   rŠ   r   rú   r®   rk   rû   rZ   rü   rå   TrS   rý   )r€   r�   r‚   rm   r¿   r²   r³   r´   rª   rþ   rj   r•   r   )r‰   r[   rZ   rÿ   rL   rL   rM   Útest_huge_header_npzÝ  s   ÿÿÿ
r  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 n1 sRw   Y  q8d S )Nr6   rç   rß   rÞ   ))r6   r6   )r   r   )r   r6   r   )éÿ   r  z we only support format version.*)r   rm   Úaranger   rV   r   rj   )r[   rZ   Úbad_versionsrà   rL   rL   rM   Útest_write_versionñ  s"   
ÿþ€ÿr  )s   “NUMPYs   “NUMPY  s   “NUMPY s   “NUMPY s   “NUMPYs   “NUMPYÿÿ)s   ’NUMPY s    NUMPY s   “numpy s   “MATLB s   “NUMPYs   “NUMPYó    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   rç   rß   rÞ   r   )r   rm   rn   r×   r   rV   rì   Ú
read_magicr   ÚtellÚ	MAGIC_LEN)Ús1Ús2rZ   Úversion1Úversion2rL   rL   rM   Útest_read_magic  s   



r  c                  C   s$   t D ]} t| ƒ}tttj|ƒ qd S rN   )Úmalformed_magicr   r   rj   r   rX   ©Úmagicr[   rL   rL   rM   Útest_read_magic_bad_magic3  s   þr  c                  C   s(   t t D ]} t| ƒ}tttj|ƒ qd S rN   )Úbad_version_magicr  r   r   rj   r   rX   r  rL   rL   rM   Útest_read_version_1_0_bad_magic9  s   þr  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   r6   é   )r   rj   r   r  rL   rL   rL   rM   Útest_bad_magic_args?  s   r  c                  C   sL   t ƒ } tƒ dddœ}t | |¡ t ƒ } dd dfg|d< tttj| |ƒ d S )NFz<i8©rz   r{   rÐ   Á   xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxr  rÐ   )r   Útupler   Úwrite_array_header_1_0r   rj   ©Úsr¡   rL   rL   rM   Útest_large_headerF  s   r  c                  C   ór   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 )Nr  r   rç   rß   r   F)r   rm   rn   r×   r   rV   rì   r
  Úread_array_header_1_0r   r	  rï   ©r  rZ   rz   Úfortranr   rL   rL   rM   Útest_read_array_header_1_0P  ó   r#  c                  C   r  )Nr  r   rÞ   rß   r   F)r   rm   rn   r×   r   rV   rì   r
  Úread_array_header_2_0r   r	  rï   r!  rL   rL   rM   Útest_read_array_header_2_0]  r$  r&  c                  C   sˆ   t ƒ } tttj| ƒ t dƒ} tttj| ƒ t dƒ} tttj| ƒ t dƒ} tttj| ƒ dddddœ}t ƒ } t | |¡ tttj| ƒ d S )	Nó   1s    s@   “NUMPY 6 {'descr': 'x', 'shape': (1, 2), }                    
©r6   r   Fr   r   )rz   r{   rÐ   Úextrakey)r   r   rj   r   r   r  r  rL   rL   rM   Útest_bad_headerj  s$   ÿýr*  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	y3   t d	¡ Y nw t
|d
ƒ�}| d¡ t d¡}t ||¡ W d   ƒ n1 sTw   Y  t
|dƒ�}| d¡ t |¡}W d   ƒ n1 ssw   Y  t||ƒ d S )NÚwin32Úcygwinz)Unknown if Windows has sparse filesystemsÚsparse_filer   Útruncatez-sÚ
5368709120zCould not create 5GB large filerw   l        rB   r|   )ÚsysÚplatformr²   Úskipr€   r�   r‚   Ú
subprocessÚ
check_callÚ	Exceptionrƒ   rì   rm   r  rÌ   r•   r   )r‰   Útf_nameÚspr[   r¡   r}   rL   rL   rM   Útest_large_file_support‡  s&   
ÿ

ý
þr8  zflaky on PyPyztest requires 64-bit systeml        )Ú
free_bytesc                 C   sÈ   d}z
t j|t jd�}W n ty   t d¡ Y nw tj | d¡}t	|dƒ�}t j
||d� W d   ƒ n1 s9w   Y  ~t	|dƒ�}t  |¡d }W d   ƒ n1 sVw   Y  |j|ksbJ ‚d S )	N)i   @r   r   zCould not create large fileÚlarge_archiverw   rk   r|   rZ   )rm   ÚemptyÚuint8ÚMemoryErrorr²   r2  r€   r�   r‚   rƒ   rª   r•   rz   )r‰   rz   r›   rµ   r[   Únew_arL   rL   rM   Útest_large_archive   s   ÿÿÿr?  c                 C   sH   t j | d¡}t |¡ t |¡�	}W d   ƒ d S 1 sw   Y  d S )Nznothing.npz)r€   r�   r‚   rm   rª   r•   )r‰   rµ   ÚnpsrL   rL   rM   Útest_empty_npz»  s
   
"ÿrA  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.w   Y  t|d	ƒ�}t 	|¡}W d   ƒ n1 sHw   Y  t
||ƒ t|dƒ�-}ttƒ� tj||d d� W d   ƒ n1 sow   Y  W d   ƒ d S W d   ƒ d S 1 s‡w   Y  d S )
N)©r6   r   r(  rB  r(  Úintu   æ•´å½¢r   zunicode.npyrw   )r   r   rß   r|   )rm   r¿   rC  r€   r�   r‚   rƒ   r   rV   rX   r   r   r´   )r‰   rZ   rµ   r[   r]   rL   rL   rM   Útest_unicode_field_namesÃ  s(   
þû	ÿÿ

ÿÿ"ÿrD  c                  C   s”   g d¢g d¢g d¢g d¢fD ]9\} }}dd„ t tjƒD ƒD ])}tƒ }t || r+d|fn|df| t d| tfg¡d	œ¡ t| 	¡ ƒ|ksFJ ‚qqd S )
N)Fé   é€   )Fé   éÀ   )TrG  rF  )Té   rH  c                 S   s   g | ]}d | ‘qS )r   rL   rØ   rL   rL   rM   rÚ   Þ  s    z+test_header_growth_axis.<locals>.<listcomp>r   ú r  )
r©   r   ÚGROWTH_AXIS_MAX_DIGITSr   r  rm   r   rC  rî   rW   )Úis_fortran_arrayÚdtype_spaceÚexpected_header_lengthrI   r�   rL   rL   rM   Útest_header_growth_axisÚ  s   ÿýøýrO  zdt, failÚS3ÚsomeÚstuff)ÚmetadataÚsubarrayr   )é   r   r   zPyPy bug in error formattingc                 C   sÚ   t jd| d�}tƒ }ttƒ� t  ||¡ W d   ƒ n1 sw   Y  | d¡ |rGttƒ� t  	|¡ W d   ƒ d S 1 s@w   Y  d S t  	|¡}ddl
m} t||ƒ ||jƒ|jusaJ ‚||jƒ|ju skJ ‚d S )Nr   r   r   )Údrop_metadata)rm   rn   r   r   r´   rÌ   rì   r   rj   r•   Únumpy.lib.utilsrV  r   r   )r§   ÚfailrZ   Úbufr]   rV  rL   rL   rM   Útest_metadata_dtypeè  s   
ÿ

"ÿ

rZ  )lÚ__doc__r0  r€   rè   r²   Úior   Únumpyrm   Únumpy.testingr   r   r   r   r   r   r	   Únumpy.testing._private.utilsr
   Ú	numpy.libr   r<  Úint8Úuint16Úint16Úuint32Úint32Úuint64Úint64Úfloat32Úfloat64Ú	complex64Ú
complex128rh   Úscalarsrd   ÚscalarÚendianr   Únewbyteorderr  ÚastypeÚbasicÚextendr¿   ÚreshapeÚTÚPdescrÚPbufferTÚNdescrÚNbufferTr¨   re   rC   r^   r_   r`   rc   rg   ri   rl   rs   ÚmarkÚskipifÚslowr‘   r™   rÑ   Údt2Údt3Údt4Údt5Údt6Úparametrizer«   Úversion_infoÚxfailr¶   rË   rÍ   rC  rÒ   ró   rö   r   r  r  r  r  r  r  r  r  r  r#  r&  r*  r8  Úintpr¦   r?  rA  rD  rO  r×   Úimplementationrà   rZ  rL   rL   rL   rM   Ú<module>   s�    $ó
ôý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