The-Python-Standard-Library-by-Example/array/array_file.py at master · bat67/The-Python-Standard-Library-by-Example · GitHub

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#!/usr/bin/env python3

# encoding: utf-8

"""

#end_pymotw_header

import array

import binascii

import tempfile

a = array.array('i', range(5))

print('A1:', a)

# Write the array of numbers to a temporary file

output = tempfile.NamedTemporaryFile()

a.tofile(output.file) # must pass an *actual* file

output.flush()

# Read the raw data

with open(output.name, 'rb') as input:

raw_data = input.read()

print('Raw Contents:', binascii.hexlify(raw_data))

# Read the data into an array

input.seek(0)

a2 = array.array('i')

a2.fromfile(input, len(a))

print('A2:', a2)

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