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How to use bytes_from_file method in avocado

Best Python code snippet using avocado_python

main.py

Source:main.py

1import random as r2from math import log2, ceil3from sys import stdout4BYTE = 2565def create_random_file(amount_bytes, filename='file.bin'):6    '''7    This function create file8    :param amount_bytes: amount of random bytes9    :param filename: file will rewrite if it already exist10    :return: nothing11    '''12    file = open(filename, 'wb')13    for i in range(amount_bytes):14        file.write(bytearray([r.randint(0, 255)]))15    file.close()16def number_into_bytes(number, size):17    output = bytearray()18    while number > 0:19        output += bytearray([number % 256])20        number //= 25621    return bytearray(size - len(output)) + output22def archive_file_by_destroy_repeating(input_filename, output_filename='output.bin', log=None):23    input_file = open(input_filename, 'rb')24    output_file = open(output_filename, 'wb')25    bytes_from_file = bytearray(input_file.read())26    index_len = ceil(log2(len(bytes_from_file)) / 8)27    indexes_of_repeatings = bytearray()28    for byte in bytes_from_file:29        pass30    #todo: make this shit31def archive_file_by_indexing(input_filename, output_filename='output.bin', log=None):32    input_file = open(input_filename, 'rb')33    output_file = open(output_filename, 'wb')34    bytes_from_file = bytearray(input_file.read())35    index_len = ceil(log2(len(bytes_from_file)) / 8)36    print('amount bytes by 1 byte:', index_len, file=log)37    for value in range(BYTE):38        print('byte:', value, 'begin', file=log)39        output_file.write(bytearray([BYTE - 1]))40        for index_of_byte in range(len(bytes_from_file)):41            if bytes_from_file[index_of_byte] == value:42                print('position:', index_of_byte, 'writed', file=log)43                output_file.write(number_into_bytes(index_of_byte, index_len))44    input_file.close()45    output_file.close()46def file_reader(filename, mode, information='npc'):47    file = open(filename, 'r' + mode)48    text = file.read()49    print('_________________________')50    if 'n' in information:51        print(filename)52    if 'p' in information:53        print(text)54    if 'c' in information:55        print(len(text))56    print('_________________________')57    file.close()58if __name__ == '__main__':59    log = open('log.txt', 'w')60    create_random_file(100000)61    archive_file_by_indexing('file.bin', log=log)62    file_reader('file.bin', 'b', 'nc')63    file_reader('output.bin', 'b', 'nc')...

sew_files.py

Source:sew_files.py

1import sys, os2from pathlib import Path3import shutil4def bytes_from_file(filename, chunksize=8192):5    with open(filename, "rb") as f:6        while True:7            b = f.read()8            if b != b"":9                yield bytes(b)10            else:11                break12main_dir = os.getcwd()13#main_dir = sys.argv[1]14tmp_dirs = []15for file in os.listdir(main_dir):16    if os.path.isdir(main_dir + "/" + file):17        if "tmp_" in file:18            tmp_dirs.append(main_dir + "/" + file)19number_of_dirs = len(tmp_dirs)20with open(main_dir + "/" + "opt.ChVec1_tmp", "wb") as bin_file_ChVec1:21    for b in bytes_from_file(main_dir + "/" + "opt.ChVec1"):22        bin_file_ChVec1.write(b)23    for i in range(1, number_of_dirs + 1):24        for b in bytes_from_file(main_dir + "/tmp_"+str(i)+"/opt.ChVec1"):25            bin_file_ChVec1.write(b)...

bin_to_c_array.py

Source:bin_to_c_array.py

12import sys34def bytes_from_file(filename, chunksize=8192):5    with open(filename, "rb") as f:6        while True:7            chunk = f.read(chunksize)8            if chunk:9                for b in chunk:10                    yield b11            else:12                break1314def main():15    with open(sys.argv[2], "w") as out:16        out.write("char " + sys.argv[3] + "[] = {")17        for b in bytes_from_file(sys.argv[1]):18            out.write(f"{b},")19        out.write("};");2021if __name__ == "__main__":
...

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