Tool to pack ZODB.

slapos/zodbpack.py

+import ZODB.FileStorage
+import ZODB.serialize
+import argparse
+import time
+import traceback
+
+def run():
+  now = time.time()
+  parser = argparse.ArgumentParser(description='ZODB offline packer')
+  parser.add_argument('files', metavar='F', type=str, help='Files to pack',
+    nargs='+')
+  parser.add_argument('--days', '-d', type=float,
+    help='Amount of days, from now, to pack')
+
+  args = parser.parse_args()
+
+  point = now - (3600 * 24 * args.days)
+
+  print 'Now is %s' % time.asctime(time.localtime(now))
+  print 'Will pack until %s' % time.asctime(time.localtime(point))
+  failures = 0
+  for f in args.files:
+    b = time.time()
+    print 'Trying to pack %r' % f
+    try:
+      pack(point, f)
+    except Exception:
+      print 'Failed to pack %r:' % f
+      traceback.print_exc()
+      failures += 1
+    print 'Finished %s in %.3fs' % (f, time.time() - b)
+  if failures:
+    print 'Failed files: %s' % failures
+    return failures
+  else:
+    print 'All files sucessfully packed.'
+    return 0
+
+def pack(point, f):
+  ZODB.FileStorage.FileStorage(f).pack(point, ZODB.serialize.referencesf)