U
    O8Úc™Ÿ  ã                   @   sÖ  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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¡ qºq²d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Z0ddddddddd gfdd!gfd"d#d$d%gfddgZ1d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Z2ej,e0e &e/¡ 'd5¡d	ej,e2e &e1¡ 'd5¡d	ej,e0e &e/¡ 'd6¡d	ej,e2e &e1¡ 'd6¡d	ej3d)d7gd	gZ4G d8d9„ d9eƒZ5d:d;„ Z6d<d=„ Z7d>d?„ Z8d@dA„ Z9dBdC„ Z:dDdE„ Z;dFdG„ Z<dHdI„ Z=ej>j?edJdKej>j@dLdM„ ƒƒZAdNdO„ ZBej&dPd+dQZCe &dRdSgdTdTgd)dUgdVœ¡ZDe &dWdXgdTeDgdYœ¡ZEe &dRdZdSgdTgd dYœ¡ZFe &dRdSgdTdTgd)dUgd[d\gd]œ¡ZGe &g g dd^œ¡ZHej> Id_eCeDeEeFeGeHg¡d`da„ ƒZJej>jKedbdKdcdd„ ƒZLdedf„ ZMdgdh„ ZNej> Id_e &ej&dRejfdSejfdWejfgd+dQdi¡e &dje &dRdSgdkdkgddgddlœdi¡dmfg¡e &dng¡e &dje &e &e &dRdSgdkdkgddgddlœ¡dif¡dmf¡fg¡e &dRe &e &e &e &dReOfdSe &dRdSgdkdkgddgddlœ¡fg¡dif¡dmf¡dof¡fg¡g¡dpdq„ ƒZPdrds„ ZQej>j?edJdKdtdu„ ƒZRej> Idvdwdg¡dxdy„ ƒZSdzd{„ ZTd|d}„ ZUd~dd€dd‚dƒgZVd„d…d†d‡dˆd‰dŠgZWd‹dŒ„ ZXddŽ„ ZYdd„ ZZd‘d’„ Z[d“d”„ Z\d•d–„ Z]d—d˜„ Z^d™dš„ Z_d›dœ„ Z`ej>j?eddKej>j?e &eja¡jbdk dždKej>j@edŸd d¡d¢„ ƒƒƒƒZcd£d¤„ Zdd¥d¦„ Zed§d¨„ Zfej> Id©e &dRdSgegej&dªd«d¬id­gdYœ¡d+fej&eOd«d¬id­d2fej&d®eOd¯ffgd«d¬id­d2fe &dRdSgege &dWgej&eOi d­gdYœ¡gdYœ¡d2fg¡ej>j?eoÀejhjid°kd±dKd²d³„ ƒƒZjd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_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	   ZInfo)ÚvalueÚc16)Úy2r   ZInfo2)ÚnameÚS2)r   r    r   )Zy3r   r   )Zz3Zu4r   )Zz2Z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__© ú?/tmp/pip-unpacked-wheel-fd_gsd75/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o1Zo2r?   r?   r@   Úassert_equal_°  s    rT   c                  C   s$   t t D ]} t| ƒ}t| |ƒ qd S rQ   )Úbasic_arraysÚrecord_arraysrP   r   ©rL   rO   r?   r?   r@   Útest_roundtrip´  s    rX   c                  C   s.   t t D ] } | jtkrt| ƒ}t| |ƒ qd S rQ   )rU   rV   r   ÚobjectrR   r   rW   r?   r?   r@   Útest_roundtrip_randsizeº  s    
rZ   c                  C   s$   t D ]} | jtkrttt| ƒ qd S rQ   )rU   r   rY   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    rb   zmemmap doesn't work correctly)Úreasonc           
   
   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	enumeraterU   rV   r   Z	hasobjectÚosÚpathÚjoinÚopenr   rH   ÚflagsÚf_contiguousÚc_contiguousÚopen_memmaprh   Úflushr:   rT   )
ÚtmpdirÚirL   ZnfnZmfnÚfpri   ÚmaZnormal_bytesZmemmap_bytesr?   r?   r@   Útest_memmap_roundtripÎ  s,    ÿ ÿ
rz   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randrm   rn   ro   Zsavez_compressedÚloadr   )rv   rL   Únpz_fileÚnpzÚarr1r?   r?   r@   Útest_compressed_roundtripî  s    r€   z
i1, i4, i1)ZalignÚaÚbr   é   )ÚnamesÚformatsÚoffsetsr2   Úd)r„   r…   Ú ZaaZbb)r„   r…   r†   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rangerm   rn   ro   Úsavezr|   r   )rv   r‹   rL   rw   r}   r~   r   r?   r?   r@   Útest_load_padded_dtype  s    r   z!Emscripten NODEFS has a buggy dupc                  C   s:   d} t j t j t¡d| ¡}t |¡}t|t d¡ƒ d S )Nzwin64python2.npyÚdatar   )	rm   rn   ro   ÚdirnameÚ__file__r^   r|   r   r_   )Úfnamern   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   r˜   Zpy2r   r   rE   F)rF   Úfix_importsrš   )rm   rn   ro   r‘   r’   r^   Úarrayr   rY   r|   ÚendswithÚcloseÚ
startswithr   Ú
isinstancer`   r   Úencoder—   r   ÚUnicodeErrorÚ__getitem__ÚImportError)Údata_dirÚexpectedr“   rn   rš   Zdata_fr   r?   r?   r@   Útest_pickle_python2_python3  sL    
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 5 Q R X t j | d¡}tttj
|tjd gtd	dd
 d S )Nr   r•   Fr˜   r™   r–   r   zpickle-disabled.npyr   rE   )rm   rn   ro   r‘   r’   r   r[   r^   r|   r£   Úsaverœ   rY   )rv   r¥   rn   rM   r?   r?   r@   Útest_pickle_disallowH  s    
 ÿÿr©   )r   r   Úi1)r„   r…   r†   rŠ   )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descrrT   r^   rŒ   rP   r   )r‹   Údt1r   rO   r?   r?   r@   Útest_descr_to_dtypeW  s
    2
r­   c               	   C   sÚ   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j| dd}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.0rw   r?   r?   r@   Ú
<listcomp>’  s     z$test_version_2_0.<locals>.<listcomp>éô  éè  r   ©r   r   ©ÚversionT©ÚrecordÚalwaysrˆ   r   é@ ©Úmax_header_size©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_0  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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d}t||ƒ d S )Nc                 S   s   g | ]}d | d t f‘qS r®   r°   r²   r?   r?   r@   r´   «  s     z+test_version_2_0_memmap.<locals>.<listcomp>rµ   r¶   r   zversion2_01.npyzversion2_02.npyrf   rÀ   )rg   r   rh   r¹   r·   .rk   r½   )rg   r¿   Trº   r¼   rˆ   r   )r   r^   r_   rm   rn   ro   r   r[   r   rt   r   rh   ru   r   rÁ   rÂ   rÃ   rÄ   r   rÅ   )rv   r‹   r‡   Ztf1Ztf2ry   rÊ   r?   r?   r@   Útest_version_2_0_memmap¨  s6     ÿ ÿ
 ÿrÎ   Ú	mmap_moderk   c              	   C   sÔ   t j | d¡}tjddd d d}tjtdd t ||¡ W 5 Q R X tj	t
d	d tj||d
 W 5 Q R X tj	t
d	d tj||dd W 5 Q R X tj||dd}t||ƒ tj||dd}t||ƒ d S )Nzlarge_header.npyr*   úi,é'  rw   r   ú.*format 2.0©ÚmatchúHeader.*large)rÏ   é N  )rÏ   r¿   T)rÏ   rF   é ¿ )rm   rn   ro   r^   rœ   ÚpytestÚwarnsrÄ   r¨   Úraisesr[   r|   r   )rv   rÏ   rM   rL   Úresr?   r?   r@   Útest_huge_headerÇ  s    
rÜ   c              	   C   sÜ   t j | d¡}tjddd d d}tjtdd tj||d	 W 5 Q R X tj	t
d
d t |¡d  W 5 Q R X tj	t
d
d tj|ddd  W 5 Q R X tj|ddd }t||ƒ tj|ddd }t||ƒ d S )Nzlarge_header.npzr*   rÐ   rÑ   rw   r   rÒ   rÓ   r\   rÕ   rL   rÖ   r¾   TrE   r×   )rm   rn   ro   r^   rœ   rØ   rÙ   rÄ   rŽ   rÚ   r[   r|   r   )rv   rM   rL   rÛ   r?   r?   r@   Útest_huge_header_npzÛ  s    
rÝ   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¸   r·   )r*   r*   )r   r   )r   r*   r   )éÿ   rÞ   z we only support format version.*)r   r^   Úaranger   rH   r   r[   )rM   rL   Zbad_versionsr¹   r?   r?   r@   Útest_write_versionï  s&    
ûÿrà   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   rƒ   r   rÀ   r¸   r·   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_magic  s    



rç   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_magic1  s    rë   c                  C   s(   t t D ]} t| ƒ}tttj|ƒ qd S rQ   )Úbad_version_magicrè   r   r   r[   r   rJ   ré   r?   r?   r@   Útest_read_version_1_0_bad_magic7  s    rí   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   rê   r?   r?   r?   r@   Útest_bad_magic_args=  s    rï   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©rh   ri   r«   A   xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxrî   r«   )r   Útupler   Úwrite_array_header_1_0r   r[   ©Úsr‡   r?   r?   r@   Útest_large_headerD  s    rõ   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 )Nrâ   r   rÀ   r¸   r   F)r   r^   r_   r±   r   rH   rÆ   rä   Úread_array_header_1_0r   rã   rÉ   ©rô   rL   rh   Zfortranr   r?   r?   r@   Útest_read_array_header_1_0N  s    rø   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 )Nrâ   r   r·   r¸   r   F)r   r^   r_   r±   r   rH   rÆ   rä   Zread_array_header_2_0r   rã   rÉ   r÷   r?   r?   r@   Útest_read_array_header_2_0[  s    rù   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), }                    
©r*   r   Fr   r   )rh   ri   r«   Zextrakey)r   r   r[   r   rö   rò   ró   r?   r?   r@   Útest_bad_headerh  s$    ÿýrü   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platformrØ   Úskiprm   rn   ro   Ú
subprocessÚ
check_callÚ	Exceptionrp   rÆ   r^   rß   r¨   r|   r   )rv   Ztf_nameÚsprM   r‡   rk   r?   r?   r@   Útest_large_file_support…  s     



r  zflaky on PyPyztest requires 64-bit systeml        )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MemoryErrorrØ   r  rm   rn   ro   rp   rŽ   r|   rh   ÚAssertionError)rv   rh   r   r“   rM   Únew_ar?   r?   r@   Útest_large_archivež  s    r  c              	   C   s2   t j | d¡}t |¡ t |¡}W 5 Q R X d S )Nznothing.npz)rm   rn   ro   r^   rŽ   r|   )rv   r“   Znpsr?   r?   r@   Útest_empty_npz¹  s    
r  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   rû   Úintu   æ•´å½¢r   zunicode.npyre   )r   r   r¸   rj   )r^   rœ   r  rm   rn   ro   rp   r   rH   rJ   r   r   rÄ   )rv   rL   r“   rM   rO   r?   r?   r@   Útest_unicode_field_namesÁ  s&    üþû	

r  c                  C   sœ   dddgdddgdddgdddgfD ]r\} }}dd	„ t tjƒD ƒD ]R}tƒ }t || r^d
|fn|d
f| t d| tfg¡dœ¡ t| 	¡ ƒ|ksBt
‚qBq$d S )NFé   é€   é   éÀ   Té   c                 S   s   g | ]}d | ‘qS )r   r?   r²   r?   r?   r@   r´   Ü  s     z+test_header_growth_axis.<locals>.<listcomp>r   ú rð   )r   r   ZGROWTH_AXIS_MAX_DIGITSr   rò   r^   r   r  rÈ   rI   r  )Zis_fortran_arrayZdtype_spaceZexpected_header_lengthr<   rx   r?   r?   r@   Útest_header_growth_axisØ  s       ÿý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   r  )r‹   ZfailrL   ÚbufrO   r  r?   r?   r@   Útest_metadata_dtypeæ  s    




r  )kÚ__doc__r   rm   rÁ   rØ   Úior   Znumpyr^   Znumpy.testingr   r   r   r   r   r   r	   Znumpy.testing._private.utilsr
   Z	numpy.libr   r	  Zint8Zuint16Zint16Zuint32Zint32Zuint64Zint64Zfloat32Zfloat64Z	complex64Z
complex128rY   ZscalarsrU   ZscalarZendianr   Znewbyteorderrß   ZastypeÚbasicÚextendrœ   ZreshapeÚTZPdescrZPbufferTZNdescrZNbufferTrŒ   rV   r6   rP   rR   rS   rT   rX   rZ   r]   rb   ÚmarkZskipifZslowrz   r€   r¬   Zdt2Zdt3Zdt4Zdt5Zdt6Zparametrizer   Zxfailr”   r§   r©   r  r­   rÍ   rÎ   rÜ   rÝ   rà   rì   rè   rç   rë   rí   rï   rõ   rø   rù   rü   r  ZintprŠ   r  r  r  r  r±   Úimplementationr¹   r  r?   r?   r?   r@   Ú<module>   sÄ    $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