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Ticket Resolution Summary Owner Reporter
#79 wontfix Multiple scalar values used as key creates Python hash error xi clay@…

Reported by clay@…, 9 years ago.

Description

The YAML specification suggests that a mapping can have a key made of more than one item, as in

? - Detroit Tigers
  - Chicago cubs
:
  - 2001-07-23

However, when that data is imported via yaml.load(), PyYAML exits with a yaml.constructor.ConstructorError?, saying "found unacceptable key (list objects are unhashable)"

Is there a way to force multi-value keys to be processed as tuples instead of lists?

#80 wontfix yaml.load doesn't work as i suspect it to according to the documentation xi anonymous

Reported by anonymous, 9 years ago.

Description

quote from the documentation:

>>> class Monster(yaml.YAMLObject):
...     yaml_tag = u'!Monster'
...     def __init__(self, name, hp, ac, attacks):
...         self.name = name
...         self.hp = hp
...         self.ac = ac
...         self.attacks = attacks
...     def __repr__(self):
...         return "%s(name=%r, hp=%r, ac=%r, attacks=%r)" % (
...             self.__class__.__name__, self.name, self.hp, self.ac, self.attacks)

>>> yaml.load("""
... --- !Monster
... name: Cave spider
... hp: [2,6]    # 2d6
... ac: 16
... attacks: [BITE, HURT]
... """)

the thing is, yaml.load ignores the __init__ method of the Monster class. it doesn't even matter if it's there at all. in yaml.load you can specify aditional variables and they get added to the object. intended behaviour?

#81 worksforme syck.dump is broken xi anonymous

Reported by anonymous, 9 years ago.

Description

syck.dump fails on even simple mappings:

>>> import syck
>>> doc = '''
... a: 1
... b: 2
... c: 3
... '''
>>> syck.load(doc)
{'a': 1, 'c': 3, 'b': 2}
>>> syck.dump(syck.load(doc))
'--- {}\n\n'
>>>

This is PySyck 0.61.2.

$ python --version
Python 2.5.2
$ uname -a
Linux brainsplit 2.6.24 #2 SMP Thu May 1 13:57:17 UTC 2008 x86_64 GNU/Linux
$ 

Cheers.

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