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#!/usr/bin/env python
""" Update backup of MXE packages.
"""
import argparse
import hashlib
import os
import shutil
def make_checksum(filepath):
hasher = hashlib.sha256()
with open(filepath, 'rb') as f:
for chunk in iter(lambda: f.read(1024 ** 2), b''):
hasher.update(chunk)
return hasher.hexdigest()
def update_backup(mxe_pkg_dir, backup_dir):
for f in os.listdir(mxe_pkg_dir):
sha = make_checksum(os.path.join(mxe_pkg_dir, f))
new_name = '%s_%s' % (f, sha)
if os.path.exists(os.path.join(backup_dir, new_name)):
print("File %s is already backuped" % new_name)
continue
shutil.copy(
os.path.join(mxe_pkg_dir, f),
os.path.join(backup_dir, new_name),
)
print("Backup file %s" % new_name)
def main():
parser = argparse.ArgumentParser(
description=__doc__,
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
)
parser.add_argument(
'--backup-dir',
type=str,
help='Path to backup',
required=True,
)
args = parser.parse_args()
mxe_tools_dir = os.path.dirname(os.path.realpath(__file__))
mxe_pkg_dir = os.path.join(mxe_tools_dir, '..', 'pkg')
update_backup(
mxe_pkg_dir,
args.backup_dir,
)
if __name__ == '__main__':
main()
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