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Ticket Resolution Summary Owner Reporter
#137 fixed PROPOSED FIX:memory corruption and bad aliases xi cegner@…

Reported by cegner@…, 5 years ago.

Description

Libyaml 0.1.2 fails to serialize python longs correctly. The pure python implementation produces correct output. This is a major issue for us since we make heavy use of yaml and the pure python implementation is too slow for our needs (not a criticism, just a statement of fact).

I've given this 'blocker' severity and high priority since long is a basic python type. If this is inappropriate, please let me know. When is the next scheduled release of libyaml?

Minimal test case:

>>> import yaml
>>> from yaml import Dumper
>>> from yaml import CDumper
>>> yaml.__version__
'3.08'
>>> # libyaml doesn't have __version__ support but is 0.1.2

>>> d = { 'hourEastern': 20L, 'hour_eastern': 20L }
>>> yaml.dump( d, Dumper = CDumper )
'{hourEastern: &20 !!python/long 20, hour_eastern: *id001}\n'
>>> yaml.dump( d, Dumper = Dumper )
"{hourEastern: &id001 !!python/long '20', hour_eastern: *id001}\n"

#5 fixed PYYAML3000 does not load recursive structures. xi pkmurphy@…

Reported by pkmurphy@…, 9 years ago.

Description

PYYAML does not load any structure with an anchor that contains its own alias. For example:

ourconst2 = "---\n!!seq &base [ *base ] \n...\n"; print ourconst2; for event in yaml.parse(ourconst2): print event ourload = yaml.safe_load(ourconst2) print ourload;

#41 fixed Patch: Use types module instead of hand crafted entities and type(). xi v.haisman@…

Reported by v.haisman@…, 8 years ago.

Description

Hi, I have a patch that makes PyYAML use types module instead of hand crafted entities and type(). The motivation is that it silences some PyDev? error complains, like methods not having self parameter and such.

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