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from coreapi.compat import string_types
def _get_string(item, key):
value = item.get(key)
if isinstance(value, string_types):
return value
return ''
def _get_dict(item, key):
value = item.get(key)
if isinstance(value, dict):
return value
return {}
def _get_list(item, key):
value = item.get(key)
if isinstance(value, list):
return value
return []
def get_dicts(item):
return [value for value in item if isinstance(value, dict)]
def _dereference(value, ref):
keys = value.strip('#/').split('/')
node = ref
for key in keys:
node = _get_dict(node, key)
return node
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