Great Expectations Export¶

Export rules to Great Expectations ExpectationSuite format.

export_ruleset_to_great_expectations_json ¶

export_ruleset_to_great_expectations_json(ruleset, suite_name=None, indent=2)

Export a RuleSet to a Great Expectations ExpectationSuite as JSON string.

Parameters:

Name	Type	Description	Default
`ruleset`	`RuleSet`	RuleSet to export	required
`suite_name`	`str \| None`	Name for the expectation suite (defaults to ruleset name)	`None`
`indent`	`int`	JSON indentation level	`2`

Returns:

Type	Description
`str`	JSON string representation of the ExpectationSuite

Raises:

Type	Description
`ImportError`	If great_expectations is not installed
`ValueError`	If unsupported rule types are encountered

Source code in lavendertown/export/great_expectations.py

def export_ruleset_to_great_expectations_json(
    ruleset: RuleSet,
    suite_name: str | None = None,
    indent: int = 2,
) -> str:
    """Export a RuleSet to a Great Expectations ExpectationSuite as JSON string.

    Args:
        ruleset: RuleSet to export
        suite_name: Name for the expectation suite (defaults to ruleset name)
        indent: JSON indentation level

    Returns:
        JSON string representation of the ExpectationSuite

    Raises:
        ImportError: If great_expectations is not installed
        ValueError: If unsupported rule types are encountered
    """
    suite = export_ruleset_to_great_expectations(ruleset, suite_name=suite_name)
    return json.dumps(suite.to_json_dict(), indent=indent, default=str)

export_ruleset_to_great_expectations_file ¶

export_ruleset_to_great_expectations_file(
    ruleset, filepath, suite_name=None, indent=2
)

Export a RuleSet to a Great Expectations ExpectationSuite and save as JSON file.

Parameters:

Name	Type	Description	Default
`ruleset`	`RuleSet`	RuleSet to export	required
`filepath`	`str`	Path to save the JSON file	required
`suite_name`	`str \| None`	Name for the expectation suite (defaults to ruleset name)	`None`
`indent`	`int`	JSON indentation level	`2`

Raises:

Type	Description
`ImportError`	If great_expectations is not installed
`ValueError`	If unsupported rule types are encountered

Source code in lavendertown/export/great_expectations.py

def export_ruleset_to_great_expectations_file(
    ruleset: RuleSet,
    filepath: str,
    suite_name: str | None = None,
    indent: int = 2,
) -> None:
    """Export a RuleSet to a Great Expectations ExpectationSuite and save as JSON file.

    Args:
        ruleset: RuleSet to export
        filepath: Path to save the JSON file
        suite_name: Name for the expectation suite (defaults to ruleset name)
        indent: JSON indentation level

    Raises:
        ImportError: If great_expectations is not installed
        ValueError: If unsupported rule types are encountered
    """
    json_str = export_ruleset_to_great_expectations_json(
        ruleset, suite_name=suite_name, indent=indent
    )

    with open(filepath, "w", encoding="utf-8") as f:
        f.write(json_str)