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a z[yc˛ � @ sp d Z ddlZddlZddlZddlZddlmZ ddlZddl m Z m Z m Z m Z mZmZ ddlmZ ddlmZ ejejejejejejejejej 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 gddgddggdfddgddgddggdfgZ/dddddg d �fd d gfd d d!d"gfd#d$gZ0dd gd%dd&d%d'gddgd(d gfd)d*fd+d,ddgddggdfddgd-dd.d-d/gddgd d(gfd0d1fd2d3ddgddggdfgZ1ej+e/e�%e.��&d4�d �ej+e1e�%e0��&d4�d �ej+e/e�%e.��&d5�d �ej+e1e�%e0��&d5�d �ej2d(d6gd �gZ3G d7d8� d8e�Z4d9d:� Z5d;d<� Z6d=d>� Z7d?d@� Z8dAdB� Z9dCdD� Z:dEdF� Z;dGdH� Z<ej=j>dIdJ� �Z?dKdL� Z@ej%dMd*dN�ZAe�%dOdPgdQdQgd(dRgdS��ZBe�%dTdUgdQeBgdV��ZCe�%g dW�dQgd dV��ZDe�%dOdPgdQdQgd(dRgdXdYgdZ��ZEe�%g g dd[��ZFej=�Gd\eAeBeCeDeEeFg�d]d^� �ZHd_d`� ZIdadb� ZJdcdd� ZKej=�Gd\e�%ej%dOejfdPejfdTejfgd*dN�de�e�%dfe�%dOdPgdgdggddgddh�de�difg�e�%djg�e�%dfe�%e�%e�%dOdPgdgdggddgddh��def�dif�fg�e�%dOe�%e�%e�%e�%dOeLfdPe�%dOdPgdgdggddgddh��fg�def�dif�dkf�fg�g�dldm� �ZMdndo� ZNdpdq� ZOej=�Gdrdsdg�dtdu� �ZPdvdw� ZQdxdy� ZRg dz�ZSg d{�ZTd|d}� ZUd~d� ZVd�d�� ZWd�d�� ZXd�d�� ZYd�d�� ZZd�d�� Z[d�d�� Z\d�d�� Z]ej=j^e�%ej_�j`dk d�d��ej=j>ed�d��d�d�� ���Zad�d�� Zbd�d�� Zcej=�Gd�e�%dOdPgedej%d�d�d�id��gdV��d*fej%eLd�d�id��d1fej%d�eLd�ffgd�d�id��d1fe�%dOdPgede�%dTgej%eLi d��gdV��gdV��d1fg�ej=j^e�oZejejfd�kd�d��d�d�� ��ZgdS )�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)�requires_memory)�formatz<>i� ��dtype� )� �2 ���� )��x�i4�r ��y�f8�r r ��zZu1� g @g @� � g @g @� r ZInfo)�value�c16)Zy2r ZInfo2)��name�S2)r r! r )Zy3r r )Zz3Zu4r r" )Zz2�b1)Zcolorr$ �info)�NameZU8)ZValuer! r r � @�nny @� �NNTZcc)r+ r( � @Zooy @�OOF�dd)r- r, �<�>)�c�z<f8�� r c s e Zd Zd� fdd� Z� ZS )�BytesIOSRandomSizeNc s dd l }|�d|�}t� �|�S )Nr r* )�randomZrandint�super�read)�self�sizer6 �� __class__� �A/usr/lib64/python3.9/site-packages/numpy/lib/tests/test_format.pyr8 � s 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