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a e�hD� � @ s� d Z ddlZddlZddlZddlZddlmZ ddlZddl m Z m Z m Z m Z mZmZmZ ddlmZ ddlmZ ejejejejejejejej ej ej ej ej e!g Z"g Z#e"D ]�Z$dD ]vZ%e�&e$��'e%�Z&e�(d��)e&�Z*e#�+ej,g e&d �ej,d e&d �e*e*�-d �e*�-d �j.e*�-d �ddd �ddd �f g� q�q�g d�Z/dd gddgddggdfddgddgddggdfgZ0dddddg d �fd d gfd d d!d"gfd#d$gZ1dd gd%dd&d%d'gddgd(d gfd)d*fd+d,ddgddggdfddgd-dd.d-d/gddgd d(gfd0d1fd2d3ddgddggdfgZ2ej,e0e�&e/��'d4�d �ej,e2e�&e1��'d4�d �ej,e0e�&e/��'d5�d �ej,e2e�&e1��'d5�d �ej3d(d6gd �gZ4G d7d8� d8e�Z5d9d:� Z6d;d<� Z7d=d>� Z8d?d@� Z9dAdB� Z:dCdD� Z;dEdF� Z<dGdH� Z=ej>j?edIdJ�ej>j@dKdL� ��ZAdMdN� ZBej&dOd*dP�ZCe�&dQdRgdSdSgd(dTgdU��ZDe�&dVdWgdSeDgdX��ZEe�&g dY�dSgd dX��ZFe�&dQdRgdSdSgd(dTgdZd[gd\��ZGe�&g g dd]��ZHej>�Id^eCeDeEeFeGeHg�d_d`� �ZJej>j?ejKdakdbdJ�ej>jLedcdJ�ddde� ��ZMdfdg� ZNdhdi� ZOej>�Id^e�&ej&dQejfdRejfdVejfgd*dP�dj�e�&dke�&dQdRgdldlgddgddm�dj�dnfg�e�&dog�e�&dke�&e�&e�&dQdRgdldlgddgddm��djf�dnf�fg�e�&dQe�&e�&e�&e�&dQePfdRe�&dQdRgdldlgddgddm��fg�djf�dnf�dpf�fg�g�dqdr� �ZQdsdt� ZRej>j?edIdJ�dudv� �ZSej>�Idwdxdg�dydz� �ZTd{d|� ZUd}d~� ZVg d�ZWg d��ZXd�d�� ZYd�d�� ZZd�d�� Z[d�d�� Z\d�d�� Z]d�d�� Z^d�d�� Z_d�d�� Z`d�d�� Zaej>j?ed�dJ�ej>j?e�&ejb�jcdk d�dJ�ej>j@ed�d��d�d�� ����Zdd�d�� Zed�d�� Zfd�d�� Zgej>�Id�e�&dQdRgehej&d�d�d�id��gdX��d*fej&ePd�d�id��d1fej&d�ePd�ffgd�d�id��d1fe�&dQdRgehe�&dVgej&ePi d��gdX��gdX��d1fg�ej>j?e�o�ejijjd�kd�dJ�d�d�� ��ZkdS )�a�D 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" � N)�BytesIO)�assert_�assert_array_equal� assert_raises�assert_raises_regex� assert_warns�IS_PYPY�IS_WASM)�requires_memory)�formatz<>i� ��dtype� )� �2 ���� )��x�i4�r ��y�f8�r r ��z�u1� g @g @� � g @g @� r ZInfo)�value�c16)�y2r ZInfo2)��name�S2)r" r# r )Zy3r r )Zz3Zu4r r% )Zz2�b1)�colorr' �info)�NameZU8)�Valuer# r r � @�nny @� �NNT�cc)r0 r- � @Zooy @�OOF�dd)r3 r2 �<�>)�c�z<f8�� r c s e Zd Zd� fdd� Z� ZS )�BytesIOSRandomSizeNc s dd l }|�d|�}t� �|�S )Nr r/ )�random�randint�super�read)�self�sizer< �� __class__� 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