docs: def ingest_resources(mapping, schema_dir):
      """Consume the Swagger schemas and produce a queryable datastructure.
  
      :param mapping: Map from resource name to filepath of its api declaration
      :type mapping: dict
      :param schema_dir: the directory schema files live inside
      :type schema_dir: string
      :returns: A list of mapping from :class:`RequestMatcher` to
          :class:`ValidatorMap`
      """
      ingested_resources = []
      for name, filepath in iteritems(mapping):
          try:
              ingested_resources.append(load_schema(filepath))
          # If we have trouble reading any files, raise a more user-friendly
          # error.
          except IOError:
              raise ApiDeclarationNotFoundError(
                  'No api declaration found at {0}. Attempted to load the `{1}` '
                  'resource relative to the schema_directory `{2}`. Perhaps '
                  'your resource name and API declaration file do not '
                  'match?'.format(filepath, name, schema_dir)
              )
      return ingested_resources