Merge pull request #1627 from LuaAndC/pkg-backup-tools

add tools to create and update backup of packages

1 files changed, 51 insertions, 0 deletions

diff --git a/tools/update_backup.py b/tools/update_backup.py
new file mode 100755
index 0000000..0069216
--- /dev/null
+++ b/tools/update_backup.py
@@ -0,0 +1,51 @@
+#!/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()