aito.schema.AitoColumnTypeSchema

class aito.schema.AitoColumnTypeSchema(data_type: aito.schema.AitoDataTypeSchema, nullable: bool = None, link: aito.schema.AitoColumnLinkSchema = None, analyzer: aito.schema.AitoAnalyzerSchema = None)

Bases: aito.schema.AitoSchema

Aito ColumnType schema

Parameters

  • data_type (AitoDataTypeSchema) – the type of the column

  • nullable (bool, default to False) – when true, null values are allowed

  • link (AitoColumnLink, optional) – path to a linked column

  • analyzer (AnalyzerSchema, optional) – the analyzer of the column if the column is of type Text

Methods

from_deserialized_object(obj)

create a class object from a JSON deserialized object

from_json_string(json_string, **kwargs)

create an class object from a JSON string

infer_from_samples(samples[, max_sample_size])

infer AitoColumnType from the given samples

json_schema()

the JSON schema of the class

json_schema_validate(obj)

Validate an object with the class json_schema Returns the object if validation success, else raise JsonValidationError

json_schema_validate_with_schema(obj, schema)

Validate an object with the given schema

to_conversion()

to_json_serializable()

convert the object to an object that can be serialized to a JSON formatted string

to_json_string(**kwargs)

convert the object to a JSON string

Attributes

analyzer

the analyzer of the column

column_link_pattern

column_name_pattern

comparison_properties

properties of the schema object that will be used for comparison operation

data_type

The data type of the column

has_link

return true if the column is linked to another column

link

the link of the column

nullable

returns True if the column allow null value

table_name_pattern

type

the type of the schema component

uuid_pattern

property analyzer

the analyzer of the column

Return type

AitoAnalyzerSchema

property comparison_properties

properties of the schema object that will be used for comparison operation

Return type

Iterable[str]

property data_type

The data type of the column

Return type

AitoDataTypeSchema

classmethod from_deserialized_object(obj: Dict)

create a class object from a JSON deserialized object

classmethod from_json_string(json_string: str, **kwargs)

create an class object from a JSON string

Parameters

  • json_string (str) – the JSON string

  • kwargs – the keyword arguments for json.loads method

return true if the column is linked to another column

classmethod infer_from_samples(samples: Iterable, max_sample_size: int = 100000) → aito.schema.AitoColumnTypeSchema

infer AitoColumnType from the given samples

Parameters

  • samples (Iterable) – iterable of sample

  • max_sample_size (int) – at most first max_sample_size will be used for inference, defaults to 100000

Returns

inferred Aito column type

Return type

str

classmethod json_schema()

the JSON schema of the class

Return type

Dict

classmethod json_schema_validate(obj: Any)

Validate an object with the class json_schema Returns the object if validation success, else raise JsonValidationError

Parameters

obj (Any) – the object to be validated

Returns

the object if validation succeed

Return type

Any

json_schema_validate_with_schema(obj: Any, schema: Dict)

Validate an object with the given schema

Parameters

  • obj (Any) – the object to be validated

  • schema (Dict) – the schema to be validate against

Returns

the object if validation succeed

Return type

Any

the link of the column

Return type

AitoColumnLinkSchema

property nullable

returns True if the column allow null value

Return type

bool

to_json_serializable()

convert the object to an object that can be serialized to a JSON formatted string

to_json_string(**kwargs)

convert the object to a JSON string

Parameters

kwargs – the keyword arguments for json.dumps method

Return type

str

property type

the type of the schema component

Return type

str