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Base image generation task

BaseImageGenerationTask

Bases: ImageArtifactFileOutputMixin, RuleMixin, BaseTask, ABC

Provides a base class for image generation-related tasks.

Attributes:

Name Type Description
negative_rulesets list[Ruleset]

List of negatively-weighted rulesets applied to the text prompt, if supported by the driver.
negative_rules list[Rule]

List of negatively-weighted rules applied to the text prompt, if supported by the driver.
output_dir list[Rule]

If provided, the generated image will be written to disk in output_dir.
output_file list[Rule]

If provided, the generated image will be written to disk as output_file.
Source code in griptape/tasks/base_image_generation_task.py 
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@define
class BaseImageGenerationTask(ImageArtifactFileOutputMixin, RuleMixin, BaseTask, ABC):
    """Provides a base class for image generation-related tasks.

    Attributes:
        negative_rulesets: List of negatively-weighted rulesets applied to the text prompt, if supported by the driver.
        negative_rules: List of negatively-weighted rules applied to the text prompt, if supported by the driver.
        output_dir: If provided, the generated image will be written to disk in output_dir.
        output_file: If provided, the generated image will be written to disk as output_file.
    """

    NEGATIVE_RULESET_NAME = "Negative Ruleset"

    negative_rulesets: list[Ruleset] = field(factory=list, kw_only=True)
    negative_rules: list[Rule] = field(factory=list, kw_only=True)

    @negative_rulesets.validator  # pyright: ignore
    def validate_negative_rulesets(self, _, negative_rulesets: list[Ruleset]) -> None:
        if not negative_rulesets:
            return

        if self.negative_rules:
            raise ValueError("Can't have both negative_rulesets and negative_rules specified.")

    @negative_rules.validator  # pyright: ignore
    def validate_negative_rules(self, _, negative_rules: list[Rule]) -> None:
        if not negative_rules:
            return

        if self.negative_rulesets:
            raise ValueError("Can't have both negative_rules and negative_rulesets specified.")

    @property
    def all_negative_rulesets(self) -> list[Ruleset]:
        task_rulesets = []
        if self.negative_rulesets:
            task_rulesets = self.negative_rulesets

        elif self.negative_rules:
            task_rulesets = [Ruleset(name=self.NEGATIVE_RULESET_NAME, rules=self.negative_rules)]

        return task_rulesets

    def _read_from_file(self, path: str) -> ImageArtifact:
        self.structure.logger.info(f"Reading image from {os.path.abspath(path)}")
        with open(path, "rb") as file:
            return ImageLoader().load(file.read())

NEGATIVE_RULESET_NAME = 'Negative Ruleset' class-attribute instance-attribute

all_negative_rulesets: list[Ruleset] property

negative_rules: list[Rule] = field(factory=list, kw_only=True) class-attribute instance-attribute

negative_rulesets: list[Ruleset] = field(factory=list, kw_only=True) class-attribute instance-attribute

validate_negative_rules(_, negative_rules)

Source code in griptape/tasks/base_image_generation_task.py 
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@negative_rules.validator  # pyright: ignore
def validate_negative_rules(self, _, negative_rules: list[Rule]) -> None:
    if not negative_rules:
        return

    if self.negative_rulesets:
        raise ValueError("Can't have both negative_rules and negative_rulesets specified.")

validate_negative_rulesets(_, negative_rulesets)

Source code in griptape/tasks/base_image_generation_task.py 
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@negative_rulesets.validator  # pyright: ignore
def validate_negative_rulesets(self, _, negative_rulesets: list[Ruleset]) -> None:
    if not negative_rulesets:
        return

    if self.negative_rules:
        raise ValueError("Can't have both negative_rulesets and negative_rules specified.")