Python文本处理
binascii — Convert between binary and ASCII — Python 3.11.3 documentation
Hackbright-challenges/hexconvert.py at master · kritikadusad/Hackbright-challenges · GitHub
hex2bin/hex2bin.py at main · jasonalexander-ja/hex2bin (github.com)
import re import os import sys import os.path import binascii # gets the Command line arguments, it will print the response if there are not 3 arguments. def get_command_args(): if len(sys.argv) != 4: print("Please specify 3 arguments \"python hex-dump-conv.py input-file.txt output-file.bin data_type (hex/bin)\"") sys.exit() return (sys.argv[1], sys.argv[2], sys.argv[3]) # Gets this file name, depending on the datatype being read it will either read it bytes or string def get_input_file(file_name, data_type): output = "" try: if data_type.lower() == "bin": output = open(file_name, "r") elif data_type.lower() == "hex": output = open(file_name, "rb") except: print(f"Couldn't open file: {file_name}") sys.exit() return output # Creates new file in the specified directory, depending on the data_type. def get_output_file(file_name, data_type): if os.path.isfile(file_name): cont = input("The specified output file already exists, continue Y/N: ").capitalize() if cont.startswith("N"): sys.exit() try: if data_type.lower() == "bin": return open(file_name, "wb") elif data_type.lower() == "hex": return open(file_name, "w") except: print(f"Couldn't create file at directory: {file_name}; please ensure this directory exists.") sys.exit() def check_values(file): if len(file) % 2 != 0: print("File needs to be a multiple of 2, each hex code contains 2 characters") sys.exit() for pos, val in enumerate(file): if not re.search("[A-F]|[0-9]", val): print(f"Error at position: {pos}, value: {val}; Hex characters need to be 0-9 or A-F") sys.exit() def format_file(file_in): file = file_in.upper() to_replace = [" ", "\n","\r","\t","\f","\v"] for val in to_replace: file = file.replace(val, "") return file # converts the file to binary and will convert the contents accordingly def parse_input(file_in): file = format_file(file_in) check_values(file) output = [] for pos in range(0, len(file), 2): value_str = f"0x{file[pos]}{file[pos + 1]}" output.append(int(value_str, 16)) return bytearray(output) def hex_convert(data_in): try: conv = binascii.hexlify(data_in) except: print("Unable to convert the binary file to a hex file") sys.exit() return conv def main(): try: (input_name, output_name, data_type) = get_command_args() except: print("please type: python hex2bin.py filelocation output location datatype /n use Bin to convert the file to a binary file, use hex to convert the file to a hexadecimal file.") input_file = get_input_file(input_name, data_type) if data_type.lower() == "bin": data = parse_input(input_file.read()) output_file = get_output_file(output_name, data_type) output_file.write(data) elif data_type.lower() == "hex": hexdata = hex_convert(input_file.read()) output_file = get_output_file(output_name+".txt", data_type) output_file.write(str(hexdata)) else: print("Invalid parameters") sys.exit() input_file.close() output_file.close() main()
intelhex/bin2hex.py at master · python-intelhex/intelhex · GitHub
develone/bin2hex_hex2bin (github.com)
draganglumac/hex2bin: Python muckabout HEX to binary converter. (github.com)
hex2bin.py
import re import os import sys import os.path import binascii # gets the Command line arguments, it will print the response if there are not 3 arguments. def get_command_args(): if len(sys.argv) != 4: print("Please specify 3 arguments \"python hex-dump-conv.py input-file.txt output-file.bin data_type (hex/bin)\"") #sys.exit() return ("log_0006.txt", "out.bin", "bin") # Gets this file name, depending on the datatype being read it will either read it bytes or string def get_input_file(file_name, data_type): output = "" try: if data_type.lower() == "bin": output = open(file_name, "r") elif data_type.lower() == "hex": output = open(file_name, "rb") except: print(f"Couldn't open file: {file_name}") sys.exit() return output # Creates new file in the specified directory, depending on the data_type. def get_output_file(file_name, data_type): if os.path.isfile(file_name): cont = input("The specified output file already exists, continue Y/N: ").capitalize() if cont.startswith("N"): sys.exit() try: if data_type.lower() == "bin": return open(file_name, "wb") elif data_type.lower() == "hex": return open(file_name, "w") except: print(f"Couldn't create file at directory: {file_name}; please ensure this directory exists.") sys.exit() def check_values(file): print(len(file)) if len(file) % 2 != 0: print("File needs to be a multiple of 2, each hex code contains 2 characters") sys.exit() for pos, val in enumerate(file): if not re.search("[A-F]|[0-9]", val): print(f"Error at position: {pos}, value: {val}; Hex characters need to be 0-9 or A-F") sys.exit() def format_file(file_in): file = file_in.upper() to_replace = [" ", "\n","\r","\t","\f","\v"] for val in to_replace: file = file.replace(val, "") return file # converts the file to binary and will convert the contents accordingly def parse_input(file_in): file = format_file(file_in) check_values(file) output = [] for pos in range(0, len(file), 2): value_str = f"0x{file[pos]}{file[pos + 1]}" output.append(int(value_str, 16)) return bytearray(output) def hex_convert(data_in): try: conv = binascii.hexlify(data_in) except: print("Unable to convert the binary file to a hex file") sys.exit() return conv def main(): try: (input_name, output_name, data_type) = get_command_args() except: print("please type: python hex2bin.py filelocation output location datatype /n use Bin to convert the file to a binary file, use hex to convert the file to a hexadecimal file.") input_file = get_input_file(input_name, data_type) if data_type.lower() == "bin": data = parse_input(input_file.read()) output_file = get_output_file(output_name, data_type) output_file.write(data) elif data_type.lower() == "hex": hexdata = hex_convert(input_file.read()) output_file = get_output_file(output_name+".txt", data_type) output_file.write(str(hexdata)) else: print("Invalid parameters") sys.exit() input_file.close() output_file.close() main()
array2bin.py
#!/usr/bin/python # -*- coding: UTF-8 -*- import os import sys import re import struct str = "61 6 0.098 11.541" print(str.split(" ")) print(list(filter(lambda x: x, str.split(" ")))) # hex = sys.argv[1].lower() # if re.match('^0?x?[a-f0-9]+$', hex) == None: # print("The string {0} is not a hexadecimal number.".format(hex)) # exit(1) with open("log.txt", "r") as file_in, open("log.bin", "wb") as file_out: line_data = file_in.readline() print(line_data.strip()) while line_data: line_data = file_in.readline() line_data = line_data.strip() print(line_data.strip()) data_list = line_data.split(",") #print(len(data_list)) data_list_new = list(filter(lambda x:x, line_data.split(","))) print(data_list_new) data_list_new1 = print(list(filter(None, data_list))) print(data_list_new1) for idx, value in enumerate(data_list_new): print(idx, value) int_value = int(value, 16) hex_value = hex(int_value) pack_data = struct.pack( "B", int_value) file_out.write(pack_data)
