import os import hashlib import zipfile import tarfile def uncompress_file_to_dir(compressed_file, uncompress_dir): extension = os.path.splitext(compressed_file)[1] os.makedirs(uncompress_dir, exist_ok=True) if extension == '.gz': with tarfile.open(compressed_file) as tar: tar.extractall(uncompress_dir) elif extension == '.zip': with zipfile.ZipFile(compressed_file) as zip_file: zip_file.extractall(uncompress_dir) uncompress_dir = os.path.join(uncompress_dir, os.listdir(uncompress_dir)[0]) if " " in os.listdir(uncompress_dir)[0]: print("replacing whitespace in directory name") os.rename(os.path.join(uncompress_dir, os.listdir(uncompress_dir)[0]), os.path.join(uncompress_dir, os.listdir(uncompress_dir)[0].replace(" ", "_"))) else: print("Error: unknown extension " + extension) return os.path.join(uncompress_dir, os.listdir(uncompress_dir)[0]) BUF_SIZE = 1048576 def get_hash(file_path): sha512 = hashlib.sha512() with open(file_path, 'rb') as f: while data := f.read(BUF_SIZE): sha512.update(data) return sha512.hexdigest() def get_file_info(mar_file, url): filesize = os.path.getsize(mar_file) data = {'hash': get_hash(mar_file), 'hashFunction': 'sha512', 'size': filesize, 'url': url + os.path.basename(mar_file)} return data def replace_variables_in_string(string, **kwargs): new_string = string for key, val in kwargs.items(): new_string = new_string.replace('$(%s)' % key, val) return new_string def make_complete_mar_name(target_dir, filename_prefix): filename = filename_prefix + "_complete.mar" return os.path.join(target_dir, filename)