libyaml parser does not recognise custom tags

[smichalske@…]

/usr/bin/python /Users/hardkrash/Desktop/libyaml_custom_class_broken.py 
Monster(name='Cave spider', hp=[2, 6], ac=16, attacks=['BITE', 'HURT'])




Traceback (most recent call last):
  File "/Users/hardkrash/Desktop/libyaml_custom_class_broken.py", line 32, in <module>
    """, Loader=yaml.CLoader)
  File "/Library/Python/2.5/site-packages/PyYAML-3.09-py2.5-macosx-10.5-i386.egg/yaml/__init__.py", line 58, in load
  File "/Library/Python/2.5/site-packages/PyYAML-3.09-py2.5-macosx-10.5-i386.egg/yaml/constructor.py", line 44, in get_single_data
  File "/Library/Python/2.5/site-packages/PyYAML-3.09-py2.5-macosx-10.5-i386.egg/yaml/constructor.py", line 48, in construct_document
  File "/Library/Python/2.5/site-packages/PyYAML-3.09-py2.5-macosx-10.5-i386.egg/yaml/constructor.py", line 93, in construct_object
  File "/Library/Python/2.5/site-packages/PyYAML-3.09-py2.5-macosx-10.5-i386.egg/yaml/constructor.py", line 419, in construct_undefined
yaml.constructor.ConstructorError: could not determine a constructor for the tag '!Monster'
  in "<byte string>", line 2, column 5

[smichalske@…]

Patch that makes the cloades construct custom tags.

[anonymous]

This patch makes custom yaml objects constructors and representers, register themselves with all known loaders and dumpers

One defect, the structure test now has 4 failures.... I can not determine why.