Commit c5f20201 authored by Kirill Smelkov's avatar Kirill Smelkov

zodbdump: Default out to stdout in binary mode

Zodbdump format is mixed text+binary so dumping to unicode stdout won't

Based on patch by Jérome Perrin.
parent b508f108
......@@ -20,7 +20,7 @@
# See COPYING file for full licensing terms.
# See for rationale and options.
import hashlib, struct, codecs
import hashlib, struct, codecs, io
import zodburi
from six.moves.urllib_parse import urlsplit, urlunsplit
from zlib import crc32, adler32
......@@ -225,3 +225,13 @@ hashRegistry = {
"sha256": hashlib.sha256,
"sha512": hashlib.sha512,
# ---- IO ----
# asbinstream return binary stream associated with stream.
# For example on py3 sys.stdout is io.TextIO which does not allow to write binary data to it.
def asbinstream(stream):
# type: (IO) -> BinaryIO
if isinstance(stream, io.TextIOBase):
return stream.buffer
return stream
# Copyright (C) 2016-2018 Nexedi SA and Contributors.
# -*- coding: utf-8 -*-
# Copyright (C) 2016-2019 Nexedi SA and Contributors.
# Kirill Smelkov <>
# Jérome Perrin <>
# This program is free software: you can Use, Study, Modify and Redistribute
# it under the terms of the GNU General Public License version 3, or (at your
......@@ -54,7 +56,7 @@ TODO also protect txn record by hash.
from __future__ import print_function
from zodbtools.util import ashex, fromhex, sha1, txnobjv, parse_tidrange, TidRangeInvalid, \
storageFromURL, hashRegistry
storageFromURL, hashRegistry, asbinstream
from ZODB._compat import loads, _protocol, BytesIO
from zodbpickle.slowpickle import Pickler as pyPickler
#import pickletools
......@@ -90,7 +92,7 @@ _already_warned_notxnraw = set()
# zodbdump dumps content of a ZODB storage to a file.
# please see module doc-string for dump format and details
def zodbdump(stor, tidmin, tidmax, hashonly=False, out=sys.stdout):
def zodbdump(stor, tidmin, tidmax, hashonly=False, out=asbinstream(sys.stdout)):
for txn in stor.iterator(tidmin, tidmax):
# XXX .status not covered by IStorageTransactionInformation
# XXX but covered by BaseStorage.TransactionRecord
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