U
    ûØf9–  ã                   @   s`  d Z ddlZddlZddlZddlZddlmZ ddlZddl	m
Z
mZmZmZmZmZ ddlmZ ddlmZ ejejejejejejejejejejejeje gZ!g Z"e!D ]€Z#dD ]vZ$e %e#¡ &e$¡Z%e 'd¡ (e%¡Z)e" *ej+g e%d	ej+d
e%d	e)e) ,d¡e) ,d¡j-e) ,d¡ddd…ddd…f g¡ q¶q®dddgZ.ddgddgddggdfddgddgddggdfgZ/ddddddddd gfdd!gfd"d#d$d%gfddgZ0ddgd&dd'd&d(gddgd)dgfd*d+fd,d-ddgddggdfddgd.dd/d.d0gddgdd)gfd1d2fd3d4ddgddggdfgZ1ej+e/e %e.¡ &d5¡d	ej+e1e %e0¡ &d5¡d	ej+e/e %e.¡ &d6¡d	ej+e1e %e0¡ &d6¡d	ej2d)d7gd	gZ3G d8d9„ d9eƒZ4d:d;„ Z5d<d=„ Z6d>d?„ Z7d@dA„ Z8dBdC„ Z9dDdE„ Z:dFdG„ Z;dHdI„ Z<dJdK„ Z=dLdM„ Z>ej%dNd+dOZ?e %dPdQgdRdRgd)dSgdTœ¡Z@e %dUdVgdRe@gdWœ¡ZAe %dPdXdQgdRgd dWœ¡ZBe %dPdQgdRdRgd)dSgdYdZgd[œ¡ZCe %g g dd\œ¡ZDejE Fd]e?e@eAeBeCeDg¡d^d_„ ƒZGd`da„ ZHdbdc„ ZIddde„ ZJejE Fd]e %ej%dPejfdQejfdUejfgd+dOdf¡e %dge %dPdQgdhdhgddgddiœdf¡djfg¡e %dkg¡e %dge %e %e %dPdQgdhdhgddgddiœ¡dff¡djf¡fg¡e %dPe %e %e %e %dPeKfdQe %dPdQgdhdhgddgddiœ¡fg¡dff¡djf¡dlf¡fg¡g¡dmdn„ ƒZLdodp„ ZMdqdr„ ZNdsdt„ ZOdudvdwdxdydzgZPd{d|d}d~dd€dgZQd‚dƒ„ ZRd„d…„ ZSd†d‡„ ZTdˆd‰„ ZUdŠd‹„ ZVdŒd„ ZWdŽd„ ZXdd‘„ ZYd’d“„ ZZejEj[e %ej\¡j]dk d”d•ejEj^ed–d—d˜d™„ ƒƒƒZ_dšd›„ Z`dœd„ ZaejE Fdže %dPdQgebej%dŸd d¡id¢gdWœ¡d+fej%eKd d¡id¢d2fej%d£eKd¤ffgd d¡id¢d2fe %dPdQgebe %dUgej%eKi d¢gdWœ¡gdWœ¡d2fg¡ejEj[eoJejcjdd¥kd¦d•d§d¨„ ƒƒZedS )©a¹D   Test the .npy file format.

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	   ZInfo)ÚvalueÚc16)Úy2r   ZInfo2)ÚnameÚS2)r   r   r   )Zy3r   r   )Zz3Zu4r   )Zz2Úb1)Úcolorr"   Úinfo)ÚNameZU8)ÚValuer   ù              @Únny              @é   ÚNNTÚcc)r+   r(   ù              @Zooy              @ÚOOFÚdd)r.   r-   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sizer7   ©Ú	__class__© úB/tmp/pip-target-lpfmz8o1/lib/python/numpy/lib/tests/test_format.pyr:   ‘  s    zBytesIOSRandomSize.read)N)Ú__name__Ú
__module__Ú__qualname__r:   Ú__classcell__r?   r?   r=   r@   r6     s   r6   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arr2r?   r?   r@   Ú	roundtrip—  s
    rP   c                 C   s,   t ƒ }t || ¡ t| ¡ ƒ}t |¡}|S ©N)r   r
   rH   r6   rI   rJ   rK   r?   r?   r@   Úroundtrip_randsizeŸ  s
    
rR   c                 C   s4   t ƒ }t || ¡ t | ¡ dd… ƒ}t |¡}|S )Nr   r   rG   rK   r?   r?   r@   Úroundtrip_truncated§  s
    
rS   c                 C   s   t | |kƒ d S rQ   )r   )Zo1Úo2r?   r?   r@   Úassert_equal_°  s    rU   c                  C   s$   t t D ]} t| ƒ}t| |ƒ qd S rQ   )Úbasic_arraysÚrecord_arraysrP   r   ©rL   rO   r?   r?   r@   Útest_roundtrip´  s    rY   c                  C   s.   t t D ] } | jtkrt| ƒ}t| |ƒ qd S rQ   )rV   rW   r   ÚobjectrR   r   rX   r?   r?   r@   Útest_roundtrip_randsizeº  s    
r[   c                  C   s$   t D ]} | jtkrttt| ƒ qd S rQ   )rV   r   rZ   r   Ú
ValueErrorrS   ©rL   r?   r?   r@   Útest_roundtrip_truncatedÁ  s    
r^   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_SIZErP   r   )Zlong_str_arrZlong_str_arr2r?   r?   r@   Útest_long_strÇ  s    rc   c           
   
   C   s  t tt ƒD ]ö\}}|jjrqtj | d|› d¡}tj | d|› d¡}t|dƒ}t	 
||¡ W 5 Q R X |jjo||jj }t	j|d|j|j|d}||d< | ¡  t|dƒ}| ¡ }W 5 Q R X t|dƒ}| ¡ }	W 5 Q R X t||	ƒ t	j|d	d
}| ¡  qd S )NÚnormalz.npyZmemmapÚwbúw+)Úmoder   ÚshapeÚfortran_order.ÚrbÚr©rg   )Ú	enumeraterV   rW   r   Z	hasobjectÚosÚpathÚjoinÚopenr
   rH   ÚflagsÚf_contiguousÚc_contiguousÚopen_memmaprh   Úflushr:   rU   )
ÚtmpdirÚirL   ZnfnZmfnÚfpri   ÚmaZnormal_bytesZmemmap_bytesr?   r?   r@   Útest_memmap_roundtripÎ  s,    ÿ ÿ
r{   c              	   C   sV   t j dd¡}tj | d¡}t j||d t  |¡}|d }W 5 Q R X t||ƒ d S )NéÈ   zcompressed.npzr]   rL   )	r_   r7   Zrandrn   ro   rp   Zsavez_compressedÚloadr   )rw   rL   Únpz_fileÚnpzÚarr1r?   r?   r@   Útest_compressed_roundtripì  s    r   z
i1, i4, i1)ÚalignÚaÚbr   é   )ÚnamesÚformatsÚoffsetsr2   Úd)r†   r‡   Ú ZaaZbb)r†   r‡   rˆ   Útitles)r†   r‡   ÚitemsizeÚdtc              	   C   sn   t  d|¡}tdƒD ]}|d ||< qtj | d¡}t j||d t  |¡}|d }W 5 Q R X t||ƒ d S )Nr   r5   zaligned.npzr]   rL   )	r_   ÚzerosÚrangern   ro   rp   Úsavezr}   r   )rw   r   rL   rx   r~   r   r€   r?   r?   r@   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   )	rn   ro   rp   ÚdirnameÚ__file__r_   r}   r   r`   )Úfnamero   r’   r?   r?   r@   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©rF   Úencodingz.npzr   rš   Úpy2r   r   rE   F)rF   Úfix_importsrœ   )rn   ro   rp   r“   r”   r_   Úarrayr   rZ   r}   ÚendswithÚcloseÚ
startswithr   Ú
isinstancera   r   Úencoder™   r   ÚUnicodeErrorÚ__getitem__ÚImportError)Údata_dirÚexpectedr•   ro   rœ   Zdata_fr’   r?   r?   r@   Útest_pickle_python2_python3  sL    
ÿþ




ÿ

ÿ
 þrª   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 5 Q R X t j | d¡}tttj
|tjd gtd	dd
 d S )Nr’   r—   Frš   r›   r˜   r   zpickle-disabled.npyr   rE   )rn   ro   rp   r“   r”   r   r\   r_   r}   r¦   ÚsaverŸ   rZ   )rw   r¨   ro   rM   r?   r?   r@   Útest_pickle_disallowE  s    
 ÿÿr¬   )r   r   Úi1)r†   r‡   rˆ   rŒ   )r   )r   r3   r   r4   c                 C   s8   t  | j¡}t|| ƒ t d| ¡}t|ƒ}t||ƒ d S )Nr   )r
   Zdescr_to_dtypeÚdescrrU   r_   rŽ   rP   r   )r   Údt1r€   rO   r?   r?   r@   Útest_descr_to_dtypeT  s
    2
r°   c               	   C   sÖ   t ƒ } dd„ tdƒD ƒ}tjd|d}tj| |dd tjdd	2}t d
dt	¡ t | |¡ t
|d jt	kƒ W 5 Q R X |  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.0rx   r?   r?   r@   Ú
<listcomp>  s     z$test_version_2_0.<locals>.<listcomp>éô  éè  r   ©r   r   ©ÚversionT©ÚrecordÚalwaysrŠ   r   ©r*   r   )r   r   r_   r`   r
   rH   ÚwarningsÚcatch_warningsÚfilterwarningsÚUserWarningr   ÚcategoryÚseekÚreadlineÚlenÚARRAY_ALIGNrJ   r   r   r\   )rM   r   r‰   ÚwÚheaderÚnr?   r?   r@   Útest_version_2_0Œ  s    



rÍ   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N}t ddt¡ tj	|d|j
|jd d
}t|d jtkƒ ||d< | ¡  W 5 Q R X tj	|dd}t||ƒ d S )Nc                 S   s   g | ]}d | d t f‘qS r±   r³   rµ   r?   r?   r@   r·   §  s     z+test_version_2_0_memmap.<locals>.<listcomp>r¸   r¹   r   zversion2_01.npyzversion2_02.npyrf   rÀ   )rg   r   rh   r¼   rº   .rk   rl   Tr½   r¿   rŠ   r   )r   r_   r`   rn   ro   rp   r   r\   r
   ru   r   rh   rv   r   rÁ   rÂ   rÃ   rÄ   r   rÅ   )rw   r   r‰   Ztf1Ztf2rz   rÊ   r?   r?   r@   Útest_version_2_0_memmap¥  s6     ÿ ÿ
 ÿrÎ   c               
   C   s¦   t ƒ } t d¡}tj| |dd t | |¡ tj| |d d t | |¡ tj| |dd t | |¡ ddddd	g}|D ]*}ttd
ƒ tj| ||d W 5 Q R X qvd S )Nr*   rÀ   r»   rº   )r*   r*   )r   r   )r   r*   r   )éÿ   rÏ   z we only support format version.*)r   r_   Úaranger
   rH   r   r\   )rM   rL   Zbad_versionsr¼   r?   r?   r@   Útest_write_versionÃ  s&    
ûÿrÑ   s   “NUMPYs   “NUMPY  s   “NUMPY s   “NUMPY s   “NUMPYs   “NUMPYÿÿs   ’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   rÀ   r»   rº   r   )r   r_   r`   r´   r
   rH   rÆ   Z
read_magicr   ÚtellÚ	MAGIC_LEN)Ús1Ús2rL   Zversion1Zversion2r?   r?   r@   Útest_read_magicð  s    



rØ   c                  C   s$   t D ]} t| ƒ}tttj|ƒ qd S rQ   )Úmalformed_magicr   r   r\   r
   rJ   ©ÚmagicrM   r?   r?   r@   Útest_read_magic_bad_magic  s    rÜ   c                  C   s(   t t D ]} t| ƒ}tttj|ƒ qd S rQ   )Úbad_version_magicrÙ   r   r   r\   r
   rJ   rÚ   r?   r?   r@   Útest_read_version_1_0_bad_magic  s    rÞ   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
   rÛ   r?   r?   r?   r@   Útest_bad_magic_args  s    rà   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   )rƒ   r„   A   xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxrß   )rƒ   r„   r2   )r   r
   Úwrite_array_header_1_0r   r\   ©Úsr‰   r?   r?   r@   Útest_large_header  s    
rä   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 )NrÓ   r   rÀ   r»   r   F)r   r_   r`   r´   r
   rH   rÆ   rÕ   Úread_array_header_1_0r   rÔ   rÉ   ©rã   rL   rh   Úfortranr   r?   r?   r@   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 )NrÓ   r   rº   r»   r   F)r   r_   r`   r´   r
   rH   rÆ   rÕ   Zread_array_header_2_0r   rÔ   rÉ   ræ   r?   r?   r@   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   )rh   r®   Fr   )rh   ri   r®   Zextrakey)r   r   r\   r
   rå   rá   râ   r?   r?   r@   Útest_bad_header<  s(    ÿýrì   c              	   C   sØ   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	k
rh   t d	¡ Y nX t
|d
ƒ&}| d¡ t d¡}t ||¡ W 5 Q R X t
|dƒ}| d¡ t |¡}W 5 Q R X t||ƒ d S )NÚwin32Úcygwinz)Unknown if Windows has sparse filesystemsZsparse_filer   Útruncatez-sZ
5368709120zCould not create 5GB large filere   l        r5   rj   )ÚsysÚplatformÚpytestÚskiprn   ro   rp   Ú
subprocessÚ
check_callÚ	Exceptionrq   rÆ   r_   rÐ   r«   r}   r   )rw   Ztf_nameÚsprM   r‰   rk   r?   r?   r@   Útest_large_file_supportW  s     



rø   ztest requires 64-bit system)Úreasonl        )Z
free_bytesc              	   C   s¢   d}zt j|t jd}W n tk
r6   t d¡ Y nX tj | d¡}t	|dƒ}t j
||d W 5 Q R X ~t	|dƒ}t  |¡d }W 5 Q R X |j|ksžt‚d S )	N)i   @r   r   zCould not create large fileZlarge_archivere   r]   rj   rL   )r_   ÚemptyÚuint8ÚMemoryErrorrò   ró   rn   ro   rp   rq   r   r}   rh   ÚAssertionError)rw   rh   rƒ   r•   rM   Znew_ar?   r?   r@   Útest_large_archivep  s    rþ   c              	   C   s2   t j | d¡}t |¡ t |¡}W 5 Q R X d S )Nznothing.npz)rn   ro   rp   r_   r   r}   )rw   r•   Znpsr?   r?   r@   Útest_empty_npzŠ  s    
rÿ   c              
   C   s¾   t jddddgdtfdtfgd}tj | d¡}t|dƒ}tj||dd	 W 5 Q R X t|d
ƒ}t 	|¡}W 5 Q R X t
||ƒ t|dƒ*}ttƒ tj||d d	 W 5 Q R X W 5 Q R X d S )N)r*   r   rë   Úintu   æ•´å½¢r   zunicode.npyre   )r   r   r»   rj   )r_   rŸ   r   rn   ro   rp   rq   r
   rH   rJ   r   r   rÄ   )rw   rL   r•   rM   rO   r?   r?   r@   Útest_unicode_field_names’  s&    üþû	

r  zdt, failZS3ZsomeÚstuff)ÚmetadataZsubarrayr   )é   r   r   zPyPy bug in error formattingc              	   C   s¢   t jd| d}tƒ }ttƒ t  ||¡ W 5 Q R X | d¡ |rbttƒ t  	|¡ W 5 Q R X n<t  	|¡}ddl
m} t||ƒ ||jƒst‚||jƒržt‚d S )Nr   r   r   )Ú_has_metadata)r_   r`   r   r   rÄ   r«   rÆ   r   r\   r}   Znumpy.lib.formatr  r   r   rý   )r   ZfailrL   ÚbufrO   r  r?   r?   r@   Útest_metadata_dtypeª  s    




r  )fÚ__doc__rð   rn   rÁ   rò   Úior   Únumpyr_   Znumpy.testingr   r   r   r   r   r   Znumpy.testing._private.utilsr	   Z	numpy.libr
   rû   Zint8Zuint16Zint16Zuint32Zint32Zuint64Zint64Zfloat32Zfloat64Z	complex64Z
complex128rZ   ZscalarsrV   ZscalarZendianr   ZnewbyteorderrÐ   ZastypeÚbasicÚextendrŸ   ZreshapeÚTZPdescrZPbufferTZNdescrZNbufferTrŽ   rW   r6   rP   rR   rS   rU   rY   r[   r^   rc   r{   r   r¯   Zdt2Zdt3Zdt4Zdt5Zdt6ÚmarkZparametrizer‘   r–   rª   r¬   r   r°   rÍ   rÎ   rÑ   rÝ   rÙ   rØ   rÜ   rÞ   rà   rä   rè   ré   rì   rø   ZskipifZintprŒ   Zslowrþ   rÿ   r  r´   Úimplementationr¼   r  r?   r?   r?   r@   Ú<module>   s²     ó
ô
ýýü÷
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
ú	ù

ÿÿÿ
 ÿþú
ÿ