Plistlib cannot create binary Plist file larger than 4GiB

[serhiy-storchaka]

BPO	42249
Nosy	@ronaldoussoren, @ned-deily, @serhiy-storchaka, @miss-islington
PRs	bpo-42249: Fix writing binary Plist files larger than 4 GiB. #23121 [3.8] bpo-42249: Fix writing binary Plist files larger than 4 GiB. (GH-23121) #23128 [3.9] bpo-42249: Fix writing binary Plist files larger than 4 GiB. (GH-23121) #23129

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

Show more details

GitHub fields:

assignee = None
closed_at = <Date 2020-11-04.13:05:58.974>
created_at = <Date 2020-11-03.07:21:29.711>
labels = ['OS-mac', 'type-bug', '3.8', '3.9', '3.10', 'library']
title = 'Plistlib cannot create binary Plist file larger than 4GiB'
updated_at = <Date 2020-11-04.13:05:58.974>
user = 'https://github.com/serhiy-storchaka'

bugs.python.org fields:

activity = <Date 2020-11-04.13:05:58.974>
actor = 'serhiy.storchaka'
assignee = 'none'
closed = True
closed_date = <Date 2020-11-04.13:05:58.974>
closer = 'serhiy.storchaka'
components = ['Library (Lib)', 'macOS']
creation = <Date 2020-11-03.07:21:29.711>
creator = 'serhiy.storchaka'
dependencies = []
files = []
hgrepos = []
issue_num = 42249
keywords = ['patch']
message_count = 4.0
messages = ['380263', '380278', '380279', '380301']
nosy_count = 4.0
nosy_names = ['ronaldoussoren', 'ned.deily', 'serhiy.storchaka', 'miss-islington']
pr_nums = ['23121', '23128', '23129']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue42249'
versions = ['Python 3.8', 'Python 3.9', 'Python 3.10']

[serhiy-storchaka]

Due to a typo plistlib uses at most 32 bits for references and offsets. It will fail if try to create a file larger than 4GiB or containing more than 2**32 unique objects (the latter of course implies the former).

[serhiy-storchaka]

New changeset 212d32f by Serhiy Storchaka in branch 'master':
bpo-42249: Fix writing binary Plist files larger than 4 GiB. (GH-23121)
212d32f

[miss-islington]

New changeset ac70175 by Miss Skeleton (bot) in branch '3.8':
bpo-42249: Fix writing binary Plist files larger than 4 GiB. (GH-23121)
ac70175

[miss-islington]

New changeset 9bc0787 by Miss Skeleton (bot) in branch '3.9':
bpo-42249: Fix writing binary Plist files larger than 4 GiB. (GH-23121)
9bc0787