jsonschema_odd.py

import yaml
import jsonschema

raw_schema = r'''
"$schema": "http://json-schema.org/draft-04/schema#"
type: object
properties:
  debug:   {$ref: "#/definitions/debug"}

required:
  - debug
additionalProperties: false

definitions:
  debug:
    type: object
    properties:
      foo: {$ref: "#/definitions/foo" }
    additionalProperties: false
    required:
      - foo
  foo:
    type: object
    properties:
      bar:
        type: object
        patternProperties:
          "^[^\\d\\W]\\w*$":
            type: string
        additionalProperties: false
'''

raw_doc = '''
debug:
  foo:
    bar:
      jiminy: cricket
      mickey: mouse
      44hoho: twinkie
'''

schema = yaml.safe_load(raw_schema)
doc = yaml.safe_load(raw_doc)

try:
    jsonschema.validate(doc, schema)
except jsonschema.exceptions.ValidationError as e:
    for k,v in vars(e).iteritems():
        if not k.startswith('_'):
            print '%-15s: %s' % (k,v)