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import os
import hashlib
import subprocess
from path import convert_to_native
def uncompress_file_to_dir(compressed_file, uncompress_dir):
os.makedirs(uncompress_dir, exist_ok=True)
if subprocess.call([
'msiexec', '/a', convert_to_native(compressed_file).replace('/', '\\'),
'/quiet',
'TARGETDIR=' + convert_to_native(uncompress_dir).replace('/', '\\')]) != 0:
raise Exception('msiexec failed')
return uncompress_dir
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),
'hash_function': 'sha512',
'size': filesize,
'url': url + os.path.basename(mar_file)}
return data
def make_complete_mar_name(target_dir, filename_prefix):
filename = filename_prefix + "_complete.mar"
return os.path.join(target_dir, filename)
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