Method __init__

haystack/indexes.py:453–483

(self, extra_field_kwargs=None)

    fields_to_skip = (ID, DJANGO_CT, DJANGO_ID, "content", "text")

    def __init__(self, extra_field_kwargs=None):
        super().__init__()

        self.model = None

        self.prepared_data = None
        content_fields = []
        self.extra_field_kwargs = extra_field_kwargs or {}

        # Introspect the model, adding/removing fields as needed.
        # Adds/Excludes should happen only if the fields are not already
        # defined in `self.fields`.
        self._meta = getattr(self, "Meta", None)

        if self._meta:
            self.model = getattr(self._meta, "model", None)
            fields = getattr(self._meta, "fields", [])
            excludes = getattr(self._meta, "excludes", [])

            # Add in the new fields.
            self.fields.update(self.get_fields(fields, excludes))

        for field_name, field in self.fields.items():
            if field.document is True:
                content_fields.append(field_name)

        if not len(content_fields) == 1:
            raise SearchFieldError(
                "The index '%s' must have one (and only one) SearchField with document=True."
                % self.__class__.__name__
            )

    def should_skip_field(self, field):
        """