Ë
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Kñúh¨ ã óv d Z ddlZddlZddlZddlmZ ddlZddlZddl m
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Z
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ddl m Z m Z mZmZmZmZmZmZ ddlmZ ej, ej. ej0 ej2 ej4 ej6 ej8 ej: ej< ej> ej@ ejB e"g Z#g Z$e#D ]È Z%dD ]Á Z& ejN e%« jQ e&« Z' ejR d« jU e'« Z+e$jY ejZ g e'¬ « ejZ d
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e'¬ « e+e+j] d « e+j] d « j^ e+j] d « ddd
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f g« Ã Ê g d¢Z0dd gddgddggdfddgddgddggdfgZ1dddddg d ¢fd d gfd d d!d"gfd#d$gZ2dd gd%dd&d%d'gddgd(d gfd)d*fd+d,ddgddggdfddgd-dd.d-d/gddgd d(gfd0d1fd2d3ddgddggdfgZ3 ejZ e1 ejN e0« jQ d4« ¬ « ejZ e3 ejN e2« jQ d4« ¬ « ejZ e1 ejN e0« jQ d5« ¬ « ejZ e3 ejN e2« jQ d5« ¬ « ejh d(d6g¬ « gZ5 G d7 d8e« Z6d9 Z7d: Z8d; Z9d< Z:d= Z;d> Z<d? Z=d@ Z>dA Z?ej j edB¬C« ej j dD « « ZCdE ZD ejN dFd*¬G« ZE ejN dHdIgdJdJgd(dKgdL« ZF ejN dMdNgdJeFgdO« ZG ejN g dP¢dJgdz dO« ZH ejN dHdIgdJdJgd(dKgdQdRgdS« ZI ejN g g ddT« ZJej j dUeEeFeGeHeIeJg« dV « ZLej j ej dWk\ dX¬C« ej j edY¬C« dZ « « ZOd[ ZPd\ ZQej j dU ejN ejN dHej. fdIej2 fdMej6 fgd*¬G« d]« ejN d^ ejN dHdIgd_d_gddgdd`d]« dafg« ejN dbg« ejN d^ ejN ejN ejN dHdIgd_d_gddgdd`« d]f« daf« fg« ejN dH ejN ejN ejN ejN dHeRfdI ejN dHdIgd_d_gddgdd`« fg« d]f« daf« dcf« fg« g« dd « ZSde ZTej j edB¬C« df « ZUej j dgdhdg« di « ZVdj ZWdk ZXg dl¢ZYg dm¢ZZdn Z[do Z\dp Z]dq Z^dr Z_ds Z`dt Zadu Zbdv Zcej j e dw¬C« ej j e dx¬C« ej j edy¬z« d{ « « « « Zdd| Zed} Zfd~ Zgej j dU ejN dHdIgeh ejN dddi¬« gdO« ejN eRddi¬« ejN deRdffgddi¬« ejN dHdIgeh ejN dMg ejN eRi ¬« gdO« gdO« g« ej j e xr ejÒ jÔ d
k d¬C« d « « Zky)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"
|
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