def report(oid, data, serial, missing):
from_mod, from_class = get_pickle_metadata(data)
if len(missing) > 1:
plural = "s"
else:
plural = ""
ts = TimeStamp(serial)
print "oid %s %s.%s" % (hex(u64(oid)), from_mod, from_class)
print "last updated: %s, tid=%s" % (ts, hex(u64(serial)))
print "refers to object%s:" % plural
for oid, info, reason in missing:
if isinstance(info, types.TupleType):
description = "%s.%s" % info
else:
description = str(info)
print "\toid %s %s: %r" % (oid_repr(oid), reason, description)
print
def iterate_counts_sizes(path):
"""Count and display the number and total size of every class of objects.
NOTE: For accurate results, run on a packed db -- otherwise, objects will
be counted multiple times.
"""
from ZODB.FileStorage import FileIterator
from ZODB.FileStorage.fsdump import get_pickle_metadata
counts = {}
sizes = {}
fiter = FileIterator(path)
for trans in fiter:
for rec in trans:
if rec.data:
modname, classname = get_pickle_metadata(rec.data)
counts[classname] = counts.get(classname, 0) + 1
sizes[classname] = sizes.get(classname, 0) + len(rec.data)
bycount = []
for classname, c in counts.iteritems():
bycount.append((c, classname))
del counts
bycount.sort()
bycount.reverse()
bysize = []
for classname, s in sizes.iteritems():
bysize.append((s, classname))
bysize.sort()
bysize.reverse()
print "By object count"
for c, name in bycount:
print '%10d %s' % (c, name)
print '\n\nBy size'
for s, name in bysize:
print '%10d %s' % (s, name)