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HuffmanHeaders.py
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HuffmanHeaders.py
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import os
from os import listdir, walk
def dir_header(dir_name):
dir_header = bytearray()
# First 3 bytes DIR (Type Identifer)
dir_header.extend(bytes("DIR", "UTF-8"))
# Second Filenam len and filename
dir_name = bytes(dir_name, "UTF-8")
dir_name_size = len(dir_name).to_bytes(1, byteorder="little")
dir_header.extend(dir_name_size)
dir_header.extend(dir_name)
files = ls(dir_name)
return dir_header, files
def ls(dir_name):
files = os.listdir(dir_name)
files = [file.decode("utf-8") for file in files]
return files
def ls_fd(dir_name):
files = []
dirs = []
for (dir_path, dir_names, file_names) in walk(dir_name):
dirs.extend(dir_names)
files.extend(file_names)
return files, dirs
def file_header(full_filename):
filename , file_exten = filename_split(full_filename)
# print(filename)
header_arr = bytearray()
# Filenam len and filename
filename = bytes(filename, "UTF-8")
filename_size = len(filename).to_bytes(1, byteorder="little")
header_arr.extend(filename_size)
header_arr.extend(filename)
# Filename extention
file_exten = bytes(file_exten, "UTF-8")
file_exten_size = len(file_exten).to_bytes(1, byteorder="little")
header_arr.extend(file_exten_size)
header_arr.extend(file_exten)
return header_arr
def filename_split(full_filename):
filename, file_exten = os.path.splitext(full_filename)
return filename, file_exten