casys.computation.schemas

CommonData and methods schemas.

Functions

`convert_deprecated_diagnostic_name`(data)	Retro-compatibility with old diagnostic naming.
`convert_deprecated_kwargs_parameter`(data, ...)	Retro-compatibility with previous direct use of kwargs to pass additional parameters to pandas.date_range underlying function, for diagnostics performing time statistics.
`convert_deprecated_sp_parameter`(data)	Retro-compatibility with old stat_reduction and stat_selection parameters for swath spectral analysis diagnostic.
`convert_deprecated_stats_parameter`(data)	Retro-compatibility with old stats parameter for crossovers diagnostics.
`register_nadir_data_methods`()	Register all NadirData methods' schema.
`register_swath_data_methods`()	Register all SwathData methods' schema.
`register_data_containers`()	Register the NadirDataSchema and SwathDataSchema.
`container_has_method`(ctype, method)	Test whether the provided container type has a method.
`register_diagnostic_dumper`()	Register the diagnostics dump schemas.

Classes

`CommonDataGenericSchema`(**kwargs)	Generic schema for the CommonData class.
`CommonDataBaseSchema`(*[, only, exclude, ...])	Marshmallow schema for the NadirData class.
`DumpDiagnosticSchema`(*[, only, exclude, ...])	Base class for diagnostic dumpers.
`NadirDataMethodBaseSchema`	alias of `RegistryBaseSchema`
`NadirDataMethodGenericSchema`(**kwargs)	Generic schema for NadirData's methods.
`NadirDataSchema`(*[, only, exclude, many, ...])	Marshmallow schema for the NadirData class.
`SwathDataMethodBaseSchema`	alias of `RegistryBaseSchema`
`SwathDataMethodGenericSchema`(**kwargs)	Generic schema for SwathData's methods.
`SwathDataSchema`(*[, only, exclude, many, ...])	Marshmallow schema for the SwathData class.

class casys.computation.schemas.CommonDataBaseSchema(*, only=None, exclude=(), many=None, context=None, load_only=(), dump_only=(), partial=None, unknown=None)

Bases: RegistryBaseSchema

Marshmallow schema for the NadirData class.

Parameters:

only (Union[Sequence[str], AbstractSet[str], None])
exclude (Union[Sequence[str], AbstractSet[str]])
many (bool | None)
context (dict | None)
load_only (Union[Sequence[str], AbstractSet[str]])
dump_only (Union[Sequence[str], AbstractSet[str]])
partial (Union[bool, Sequence[str], AbstractSet[str], None])
unknown (str | None)

class Meta

Bases: object

Options object for a Schema.

Example usage:

from marshmallow import Schema


class MySchema(Schema):
    class Meta:
        fields = ("id", "email", "date_created")
        exclude = ("password", "secret_attribute")

A note on type checking

Type checkers will only check the attributes of the Meta <marshmallow.Schema.Meta> class if you explicitly subclass marshmallow.Schema.Meta.

from marshmallow import Schema


class MySchema(Schema):
    # Not checked by type checkers
    class Meta:
        additional = True


class MySchema2(Schema):
    # Type checkers will check attributes
    class Meta(Schema.Opts):
        additional = True  # Incompatible types in assignment

Removed in version 3.0.0b7: Remove strict.

Added in version 3.0.0b12: Add unknown.

Changed in version 3.0.0b17: Rename dateformat to datetimeformat.

Added in version 3.9.0: Add timeformat.

Changed in version 3.26.0: Deprecate ordered. Field order is preserved by default.

additional: ClassVar[tuple[str, ...] | list[str]]: Fields to include in addition to the explicitly declared fields. additional <marshmallow.Schema.Meta.additional> and fields <marshmallow.Schema.Meta.fields> are mutually-exclusive options.

dateformat: ClassVar[str]: Default format for Date <marshmallow.fields.Date> fields.

datetimeformat: ClassVar[str]: Default format for DateTime <marshmallow.fields.DateTime> fields.

dump_only: ClassVar[tuple[str, ...] | list[str]]: Fields to exclude from serialized results

exclude: ClassVar[tuple[str, ...] | list[str]]: Fields to exclude in the serialized result. Nested fields can be represented with dot delimiters.

fields: ClassVar[tuple[str, ...] | list[str]]: Fields to include in the (de)serialized result

include: ClassVar[dict[str, Field]]: Dictionary of additional fields to include in the schema. It is usually better to define fields as class variables, but you may need to use this option, e.g., if your fields are Python keywords.

index_errors: ClassVar[bool]: If True, errors dictionaries will include the index of invalid items in a collection.

load_only: ClassVar[tuple[str, ...] | list[str]]: Fields to exclude from serialized results

many: ClassVar[bool]: Whether data should be (de)serialized as a collection by default.

ordered: ClassVar[bool]: If True, Schema.dump <marshmallow.Schema.dump> is a collections.OrderedDict.

register: ClassVar[bool]: Whether to register the Schema <marshmallow.Schema> with marshmallow’s internal class registry. Must be True if you intend to refer to this Schema <marshmallow.Schema> by class name in Nested fields. Only set this to False when memory usage is critical. Defaults to True.

render_module: Any: Module to use for loads <marshmallow.Schema.loads> and dumps <marshmallow.Schema.dumps>. Defaults to json from the standard library.

timeformat: ClassVar[str]: Default format for Time <marshmallow.fields.Time> fields.

unknown: ClassVar[str]: Whether to exclude, include, or raise an error for unknown fields in the data. Use EXCLUDE, INCLUDE or RAISE.

OPTIONS_CLASS: alias of SchemaOpts

TYPE_MAPPING: dict[type, type[Field]] = {<class 'bool'>: <class 'marshmallow.fields.Boolean'>, <class 'bytes'>: <class 'marshmallow.fields.String'>, <class 'datetime.date'>: <class 'marshmallow.fields.Date'>, <class 'datetime.datetime'>: <class 'marshmallow.fields.DateTime'>, <class 'datetime.time'>: <class 'marshmallow.fields.Time'>, <class 'datetime.timedelta'>: <class 'marshmallow.fields.TimeDelta'>, <class 'decimal.Decimal'>: <class 'marshmallow.fields.Decimal'>, <class 'float'>: <class 'marshmallow.fields.Float'>, <class 'int'>: <class 'marshmallow.fields.Integer'>, <class 'list'>: <class 'marshmallow.fields.Raw'>, <class 'set'>: <class 'marshmallow.fields.Raw'>, <class 'str'>: <class 'marshmallow.fields.String'>, <class 'tuple'>: <class 'marshmallow.fields.Raw'>, <class 'uuid.UUID'>: <class 'marshmallow.fields.UUID'>}

classmethod clear_registry(): Clear everything from this schema’s registry.

property dict_class: type[dict]: dict type to return when serializing.

dump(obj, *, many=None)

Serialize an object to native Python data types according to this Schema’s fields.

Parameters:

obj (Any) – The object to serialize.
many (bool | None) – Whether to serialize obj as a collection. If None, the value for self.many is used.

Returns:

Serialized data

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the serialized data rather than a (data, errors) duple. A ValidationError is raised if obj is invalid.

Changed in version 3.0.0rc9: Validation no longer occurs upon serialization.

dumps(obj, *args, many=None, **kwargs)

Same as dump(), except return a JSON-encoded string.

Parameters:

obj (Any) – The object to serialize.
many (bool | None) – Whether to serialize obj as a collection. If None, the value for self.many is used.

Returns:

A json string

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the serialized data rather than a (data, errors) duple. A ValidationError is raised if obj is invalid.

error_messages: dict[str, str] = {}: Overrides for default schema-level error messages

fields: dict[str, Field]: Dictionary mapping field_names -> Field objects

classmethod from_dict(fields, *, name='GeneratedSchema')

Generate a Schema <marshmallow.Schema> class given a dictionary of fields.

from marshmallow import Schema, fields

PersonSchema = Schema.from_dict({"name": fields.Str()})
print(PersonSchema().load({"name": "David"}))  # => {'name': 'David'}

Generated schemas are not added to the class registry and therefore cannot be referred to by name in Nested fields.

Parameters:

fields (dict[str, Field]) – Dictionary mapping field names to field instances.
name (str) – Optional name for the class, which will appear in the repr for the class.

Return type:

type[Schema]

Added in version 3.0.0.

get_attribute(obj, attr, default)

Defines how to pull values from an object to serialize.

Changed in version 3.0.0a1: Changed position of obj and attr.

Parameters:

obj (Any)
attr (str)
default (Any)

classmethod get_class(name: str) → type[RegistryBaseSchema]

Return the registered class associated with the provided name.

Parameters:: name (str) – Identifier of the schema.
Return type:: type[RegistryBaseSchema]
Returns:: Corresponding schema class.

classmethod get_model()

Return the model associated to this schema.

Return type:: type[TypeVar(T)] | None
Returns:: Model associated to this schema.

classmethod get_model_schema(model: type) → type[RegistryBaseSchema]

Return the registered class associated with the provided model.

Parameters:: model (type) – Identifier of the model.
Return type:: type[RegistryBaseSchema]
Returns:: Corresponding schema class.

classmethod get_type()

Schema’s ID.

Return type:: str

handle_error(error, data, *, many, **kwargs)

Custom error handler function for the schema.

Parameters:

error (ValidationError) – The ValidationError raised during (de)serialization.
data (Any) – The original input data.
many (bool) – Value of many on dump or load.
partial – Value of partial on load.

Changed in version 3.0.0rc9: Receives many and partial (on deserialization) as keyword arguments.

classmethod has_class(name: str) → bool

Test if the provided name is registered.

Parameters:: name (str) – Name of the class.
Return type:: bool
Returns:: True if a class with this name is registered, False otherwise.

load(data, *, many=None, partial=None, unknown=None)

Deserialize a data structure to an object defined by this Schema’s fields.

Parameters:

data (Union[Mapping[str, Any], Iterable[Mapping[str, Any]]]) – The data to deserialize.
many (bool | None) – Whether to deserialize data as a collection. If None, the value for self.many is used.
partial (Union[bool, Sequence[str], AbstractSet[str], None]) – Whether to ignore missing fields and not require any fields declared. Propagates down to Nested fields as well. If its value is an iterable, only missing fields listed in that iterable will be ignored. Use dot delimiters to specify nested fields.
unknown (str | None) – Whether to exclude, include, or raise an error for unknown fields in the data. Use EXCLUDE, INCLUDE or RAISE. If None, the value for self.unknown is used.

Returns:

Deserialized data

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the deserialized data rather than a (data, errors) duple. A ValidationError is raised if invalid data are passed.

loads(json_data, *, many=None, partial=None, unknown=None, **kwargs)

Same as load(), except it uses marshmallow.Schema.Meta.render_module to deserialize the passed string before passing data to load().

Parameters:

json_data (str | bytes | bytearray) – A string of the data to deserialize.
many (bool | None) – Whether to deserialize obj as a collection. If None, the value for self.many is used.
partial (Union[bool, Sequence[str], AbstractSet[str], None]) – Whether to ignore missing fields and not require any fields declared. Propagates down to Nested fields as well. If its value is an iterable, only missing fields listed in that iterable will be ignored. Use dot delimiters to specify nested fields.
unknown (str | None) – Whether to exclude, include, or raise an error for unknown fields in the data. Use EXCLUDE, INCLUDE or RAISE. If None, the value for self.unknown is used.

Returns:

Deserialized data

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the deserialized data rather than a (data, errors) duple. A ValidationError is raised if invalid data are passed.

make_object(data, **_)

on_bind_field(field_name, field_obj)

Hook to modify a field when it is bound to the Schema <marshmallow.Schema>.

No-op by default.

Parameters:

field_name (str)
field_obj (Field)

Return type:

None

opts: typing.Any = <marshmallow.schema.SchemaOpts object>

post_dump(data, original_data, **_)

pre_dump(data, **_)

pre_load(data, **_)

classmethod register(): Register the current class.

classmethod register_schema(schema, exception)

Register the provided schema.

Parameters:

schema (type[RegistryAbstractSchema]) – Schema to register.
exception (type[Exception]) – Exception raised when an invalid operation is made.

classmethod registry()

Returns a copy of the registry.

Return type:: dict[str, type[RegistryAbstractSchema]]

classmethod remove_registry(name)

Parameters:: name (str)

set_class: alias of OrderedSet

classmethod update_registry(schema)

Update current registry with the provided one. An error is raised if the same name is used twice.

Parameters:: schema (type[RegistryAbstractSchema]) – Schemas to register.

validate(data, *, many=None, partial=None)

Validate data against the schema, returning a dictionary of validation errors.

Parameters:

data (Union[Mapping[str, Any], Iterable[Mapping[str, Any]]]) – The data to validate.
many (bool | None) – Whether to validate data as a collection. If None, the value for self.many is used.
partial (Union[bool, Sequence[str], AbstractSet[str], None]) – Whether to ignore missing fields and not require any fields declared. Propagates down to Nested fields as well. If its value is an iterable, only missing fields listed in that iterable will be ignored. Use dot delimiters to specify nested fields.

Return type:

dict[str, list[str]]

Returns:

A dictionary of validation errors.

Added in version 1.1.0.

class casys.computation.schemas.CommonDataGenericSchema(**kwargs)

Bases: RegistryGenericSchema

Generic schema for the CommonData class.

class Meta

Bases: object

Options object for a Schema.

Example usage:

from marshmallow import Schema


class MySchema(Schema):
    class Meta:
        fields = ("id", "email", "date_created")
        exclude = ("password", "secret_attribute")

A note on type checking

Type checkers will only check the attributes of the Meta <marshmallow.Schema.Meta> class if you explicitly subclass marshmallow.Schema.Meta.

from marshmallow import Schema


class MySchema(Schema):
    # Not checked by type checkers
    class Meta:
        additional = True


class MySchema2(Schema):
    # Type checkers will check attributes
    class Meta(Schema.Opts):
        additional = True  # Incompatible types in assignment

Removed in version 3.0.0b7: Remove strict.

Added in version 3.0.0b12: Add unknown.

Changed in version 3.0.0b17: Rename dateformat to datetimeformat.

Added in version 3.9.0: Add timeformat.

Changed in version 3.26.0: Deprecate ordered. Field order is preserved by default.

additional: ClassVar[tuple[str, ...] | list[str]]: Fields to include in addition to the explicitly declared fields. additional <marshmallow.Schema.Meta.additional> and fields <marshmallow.Schema.Meta.fields> are mutually-exclusive options.

dateformat: ClassVar[str]: Default format for Date <marshmallow.fields.Date> fields.

datetimeformat: ClassVar[str]: Default format for DateTime <marshmallow.fields.DateTime> fields.

dump_only: ClassVar[tuple[str, ...] | list[str]]: Fields to exclude from serialized results

exclude: ClassVar[tuple[str, ...] | list[str]]: Fields to exclude in the serialized result. Nested fields can be represented with dot delimiters.

fields: ClassVar[tuple[str, ...] | list[str]]: Fields to include in the (de)serialized result

include: ClassVar[dict[str, Field]]: Dictionary of additional fields to include in the schema. It is usually better to define fields as class variables, but you may need to use this option, e.g., if your fields are Python keywords.

index_errors: ClassVar[bool]: If True, errors dictionaries will include the index of invalid items in a collection.

load_only: ClassVar[tuple[str, ...] | list[str]]: Fields to exclude from serialized results

many: ClassVar[bool]: Whether data should be (de)serialized as a collection by default.

ordered: ClassVar[bool]: If True, Schema.dump <marshmallow.Schema.dump> is a collections.OrderedDict.

register: ClassVar[bool]: Whether to register the Schema <marshmallow.Schema> with marshmallow’s internal class registry. Must be True if you intend to refer to this Schema <marshmallow.Schema> by class name in Nested fields. Only set this to False when memory usage is critical. Defaults to True.

render_module: Any: Module to use for loads <marshmallow.Schema.loads> and dumps <marshmallow.Schema.dumps>. Defaults to json from the standard library.

timeformat: ClassVar[str]: Default format for Time <marshmallow.fields.Time> fields.

unknown: ClassVar[str]: Whether to exclude, include, or raise an error for unknown fields in the data. Use EXCLUDE, INCLUDE or RAISE.

OPTIONS_CLASS: alias of SchemaOpts

TYPE_MAPPING: dict[type, type[Field]] = {<class 'bool'>: <class 'marshmallow.fields.Boolean'>, <class 'bytes'>: <class 'marshmallow.fields.String'>, <class 'datetime.date'>: <class 'marshmallow.fields.Date'>, <class 'datetime.datetime'>: <class 'marshmallow.fields.DateTime'>, <class 'datetime.time'>: <class 'marshmallow.fields.Time'>, <class 'datetime.timedelta'>: <class 'marshmallow.fields.TimeDelta'>, <class 'decimal.Decimal'>: <class 'marshmallow.fields.Decimal'>, <class 'float'>: <class 'marshmallow.fields.Float'>, <class 'int'>: <class 'marshmallow.fields.Integer'>, <class 'list'>: <class 'marshmallow.fields.Raw'>, <class 'set'>: <class 'marshmallow.fields.Raw'>, <class 'str'>: <class 'marshmallow.fields.String'>, <class 'tuple'>: <class 'marshmallow.fields.Raw'>, <class 'uuid.UUID'>: <class 'marshmallow.fields.UUID'>}

classmethod clear_registry(): Clear everything from this schema’s registry.

property dict_class: type[dict]: dict type to return when serializing.

dump(obj, *, many=None)

Serialize an object to native Python data types according to this Schema’s fields.

Parameters:

obj (Any) – The object to serialize.
many (bool | None) – Whether to serialize obj as a collection. If None, the value for self.many is used.

Returns:

Serialized data

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the serialized data rather than a (data, errors) duple. A ValidationError is raised if obj is invalid.

Changed in version 3.0.0rc9: Validation no longer occurs upon serialization.

dumps(obj, *args, many=None, **kwargs)

Same as dump(), except return a JSON-encoded string.

Parameters:

obj (Any) – The object to serialize.
many (bool | None) – Whether to serialize obj as a collection. If None, the value for self.many is used.

Returns:

A json string

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the serialized data rather than a (data, errors) duple. A ValidationError is raised if obj is invalid.

error_messages: dict[str, str] = {}: Overrides for default schema-level error messages

fields: dict[str, Field]: Dictionary mapping field_names -> Field objects

classmethod from_dict(fields, *, name='GeneratedSchema')

Generate a Schema <marshmallow.Schema> class given a dictionary of fields.

from marshmallow import Schema, fields

PersonSchema = Schema.from_dict({"name": fields.Str()})
print(PersonSchema().load({"name": "David"}))  # => {'name': 'David'}

Generated schemas are not added to the class registry and therefore cannot be referred to by name in Nested fields.

Parameters:

fields (dict[str, Field]) – Dictionary mapping field names to field instances.
name (str) – Optional name for the class, which will appear in the repr for the class.

Return type:

type[Schema]

Added in version 3.0.0.

get_attribute(obj, attr, default)

Defines how to pull values from an object to serialize.

Changed in version 3.0.0a1: Changed position of obj and attr.

Parameters:

obj (Any)
attr (str)
default (Any)

classmethod get_class(name: str) → type[RegistryBaseSchema]

Return the registered class associated with the provided name.

Parameters:: name (str) – Identifier of the schema.
Return type:: type[RegistryBaseSchema]
Returns:: Corresponding schema class.

classmethod get_model()

Return the model associated to this schema.

Return type:: type[TypeVar(T)] | None
Returns:: Model associated to this schema.

classmethod get_model_schema(model: type) → type[RegistryBaseSchema]

Return the registered class associated with the provided model.

Parameters:: model (type) – Identifier of the model.
Return type:: type[RegistryBaseSchema]
Returns:: Corresponding schema class.

classmethod get_type()

Schema’s ID.

Return type:: str

handle_error(error, data, *, many, **kwargs)

Custom error handler function for the schema.

Parameters:

error (ValidationError) – The ValidationError raised during (de)serialization.
data (Any) – The original input data.
many (bool) – Value of many on dump or load.
partial – Value of partial on load.

Changed in version 3.0.0rc9: Receives many and partial (on deserialization) as keyword arguments.

classmethod has_class(name: str) → bool

Test if the provided name is registered.

Parameters:: name (str) – Name of the class.
Return type:: bool
Returns:: True if a class with this name is registered, False otherwise.

load(data, *, many=None, partial=None, unknown=None)

Deserialize a data structure to an object defined by this Schema’s fields.

Parameters:

data (Union[Mapping[str, Any], Iterable[Mapping[str, Any]]]) – The data to deserialize.
many (bool | None) – Whether to deserialize data as a collection. If None, the value for self.many is used.
partial (Union[bool, Sequence[str], AbstractSet[str], None]) – Whether to ignore missing fields and not require any fields declared. Propagates down to Nested fields as well. If its value is an iterable, only missing fields listed in that iterable will be ignored. Use dot delimiters to specify nested fields.
unknown (str | None) – Whether to exclude, include, or raise an error for unknown fields in the data. Use EXCLUDE, INCLUDE or RAISE. If None, the value for self.unknown is used.

Returns:

Deserialized data

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the deserialized data rather than a (data, errors) duple. A ValidationError is raised if invalid data are passed.

loads(json_data, *, many=None, partial=None, unknown=None, **kwargs)

Same as load(), except it uses marshmallow.Schema.Meta.render_module to deserialize the passed string before passing data to load().

Parameters:

json_data (str | bytes | bytearray) – A string of the data to deserialize.
many (bool | None) – Whether to deserialize obj as a collection. If None, the value for self.many is used.
partial (Union[bool, Sequence[str], AbstractSet[str], None]) – Whether to ignore missing fields and not require any fields declared. Propagates down to Nested fields as well. If its value is an iterable, only missing fields listed in that iterable will be ignored. Use dot delimiters to specify nested fields.
unknown (str | None) – Whether to exclude, include, or raise an error for unknown fields in the data. Use EXCLUDE, INCLUDE or RAISE. If None, the value for self.unknown is used.

Returns:

Deserialized data

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the deserialized data rather than a (data, errors) duple. A ValidationError is raised if invalid data are passed.

make_object(data, **_)

on_bind_field(field_name, field_obj)

Hook to modify a field when it is bound to the Schema <marshmallow.Schema>.

No-op by default.

Parameters:

field_name (str)
field_obj (Field)

Return type:

None

opts: typing.Any = <marshmallow.schema.SchemaOpts object>

post_dump(data, original_data, **_)

pre_dump(data, **_)

pre_load(data, **_)

classmethod register(): Register the current class.

classmethod register_schema(schema, exception)

Register the provided schema.

Parameters:

schema (type[RegistryAbstractSchema]) – Schema to register.
exception (type[Exception]) – Exception raised when an invalid operation is made.

classmethod registry()

Returns a copy of the registry.

Return type:: dict[str, type[RegistryAbstractSchema]]

classmethod remove_registry(name)

Parameters:: name (str)

set_class: alias of OrderedSet

classmethod update_registry(schema)

Update current registry with the provided one. An error is raised if the same name is used twice.

Parameters:: schema (type[RegistryAbstractSchema]) – Schemas to register.

validate(data, *, many=None, partial=None)

Validate data against the schema, returning a dictionary of validation errors.

Parameters:

data (Union[Mapping[str, Any], Iterable[Mapping[str, Any]]]) – The data to validate.
many (bool | None) – Whether to validate data as a collection. If None, the value for self.many is used.
partial (Union[bool, Sequence[str], AbstractSet[str], None]) – Whether to ignore missing fields and not require any fields declared. Propagates down to Nested fields as well. If its value is an iterable, only missing fields listed in that iterable will be ignored. Use dot delimiters to specify nested fields.

Return type:

dict[str, list[str]]

Returns:

A dictionary of validation errors.

Added in version 1.1.0.

class casys.computation.schemas.DumpDiagnosticSchema(*, only=None, exclude=(), many=None, context=None, load_only=(), dump_only=(), partial=None, unknown=None)

Bases: BaseSchema

Base class for diagnostic dumpers.

Parameters:

only (Union[Sequence[str], AbstractSet[str], None])
exclude (Union[Sequence[str], AbstractSet[str]])
many (bool | None)
context (dict | None)
load_only (Union[Sequence[str], AbstractSet[str]])
dump_only (Union[Sequence[str], AbstractSet[str]])
partial (Union[bool, Sequence[str], AbstractSet[str], None])
unknown (str | None)

class Meta

Bases: object

Options object for a Schema.

Example usage:

from marshmallow import Schema


class MySchema(Schema):
    class Meta:
        fields = ("id", "email", "date_created")
        exclude = ("password", "secret_attribute")

A note on type checking

Type checkers will only check the attributes of the Meta <marshmallow.Schema.Meta> class if you explicitly subclass marshmallow.Schema.Meta.

from marshmallow import Schema


class MySchema(Schema):
    # Not checked by type checkers
    class Meta:
        additional = True


class MySchema2(Schema):
    # Type checkers will check attributes
    class Meta(Schema.Opts):
        additional = True  # Incompatible types in assignment

Removed in version 3.0.0b7: Remove strict.

Added in version 3.0.0b12: Add unknown.

Changed in version 3.0.0b17: Rename dateformat to datetimeformat.

Added in version 3.9.0: Add timeformat.

Changed in version 3.26.0: Deprecate ordered. Field order is preserved by default.

additional: ClassVar[tuple[str, ...] | list[str]]: Fields to include in addition to the explicitly declared fields. additional <marshmallow.Schema.Meta.additional> and fields <marshmallow.Schema.Meta.fields> are mutually-exclusive options.

dateformat: ClassVar[str]: Default format for Date <marshmallow.fields.Date> fields.

datetimeformat: ClassVar[str]: Default format for DateTime <marshmallow.fields.DateTime> fields.

dump_only: ClassVar[tuple[str, ...] | list[str]]: Fields to exclude from serialized results

exclude: ClassVar[tuple[str, ...] | list[str]]: Fields to exclude in the serialized result. Nested fields can be represented with dot delimiters.

fields: ClassVar[tuple[str, ...] | list[str]]: Fields to include in the (de)serialized result

include: ClassVar[dict[str, Field]]: Dictionary of additional fields to include in the schema. It is usually better to define fields as class variables, but you may need to use this option, e.g., if your fields are Python keywords.

index_errors: ClassVar[bool]: If True, errors dictionaries will include the index of invalid items in a collection.

load_only: ClassVar[tuple[str, ...] | list[str]]: Fields to exclude from serialized results

many: ClassVar[bool]: Whether data should be (de)serialized as a collection by default.

ordered: ClassVar[bool]: If True, Schema.dump <marshmallow.Schema.dump> is a collections.OrderedDict.

register: ClassVar[bool]: Whether to register the Schema <marshmallow.Schema> with marshmallow’s internal class registry. Must be True if you intend to refer to this Schema <marshmallow.Schema> by class name in Nested fields. Only set this to False when memory usage is critical. Defaults to True.

render_module: Any: Module to use for loads <marshmallow.Schema.loads> and dumps <marshmallow.Schema.dumps>. Defaults to json from the standard library.

timeformat: ClassVar[str]: Default format for Time <marshmallow.fields.Time> fields.

unknown: ClassVar[str]: Whether to exclude, include, or raise an error for unknown fields in the data. Use EXCLUDE, INCLUDE or RAISE.

OPTIONS_CLASS: alias of SchemaOpts

TYPE_MAPPING: dict[type, type[Field]] = {<class 'bool'>: <class 'marshmallow.fields.Boolean'>, <class 'bytes'>: <class 'marshmallow.fields.String'>, <class 'datetime.date'>: <class 'marshmallow.fields.Date'>, <class 'datetime.datetime'>: <class 'marshmallow.fields.DateTime'>, <class 'datetime.time'>: <class 'marshmallow.fields.Time'>, <class 'datetime.timedelta'>: <class 'marshmallow.fields.TimeDelta'>, <class 'decimal.Decimal'>: <class 'marshmallow.fields.Decimal'>, <class 'float'>: <class 'marshmallow.fields.Float'>, <class 'int'>: <class 'marshmallow.fields.Integer'>, <class 'list'>: <class 'marshmallow.fields.Raw'>, <class 'set'>: <class 'marshmallow.fields.Raw'>, <class 'str'>: <class 'marshmallow.fields.String'>, <class 'tuple'>: <class 'marshmallow.fields.Raw'>, <class 'uuid.UUID'>: <class 'marshmallow.fields.UUID'>}

property dict_class: type[dict]: dict type to return when serializing.

dump(obj, *, many=None)

Serialize an object to native Python data types according to this Schema’s fields.

Parameters:

obj (Any) – The object to serialize.
many (bool | None) – Whether to serialize obj as a collection. If None, the value for self.many is used.

Returns:

Serialized data

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the serialized data rather than a (data, errors) duple. A ValidationError is raised if obj is invalid.

Changed in version 3.0.0rc9: Validation no longer occurs upon serialization.

dumps(obj, *args, many=None, **kwargs)

Same as dump(), except return a JSON-encoded string.

Parameters:

obj (Any) – The object to serialize.
many (bool | None) – Whether to serialize obj as a collection. If None, the value for self.many is used.

Returns:

A json string

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the serialized data rather than a (data, errors) duple. A ValidationError is raised if obj is invalid.

error_messages: dict[str, str] = {}: Overrides for default schema-level error messages

fields: dict[str, Field]: Dictionary mapping field_names -> Field objects

classmethod from_dict(fields, *, name='GeneratedSchema')

Generate a Schema <marshmallow.Schema> class given a dictionary of fields.

from marshmallow import Schema, fields

PersonSchema = Schema.from_dict({"name": fields.Str()})
print(PersonSchema().load({"name": "David"}))  # => {'name': 'David'}

Generated schemas are not added to the class registry and therefore cannot be referred to by name in Nested fields.

Parameters:

fields (dict[str, Field]) – Dictionary mapping field names to field instances.
name (str) – Optional name for the class, which will appear in the repr for the class.

Return type:

type[Schema]

Added in version 3.0.0.

get_attribute(obj, attr, default)

Defines how to pull values from an object to serialize.

Changed in version 3.0.0a1: Changed position of obj and attr.

Parameters:

obj (Any)
attr (str)
default (Any)

classmethod get_model()

Return the model associated to this schema.

Return type:: type[TypeVar(T)] | None
Returns:: Model associated to this schema.

handle_error(error, data, *, many, **kwargs)

Custom error handler function for the schema.

Parameters:

error (ValidationError) – The ValidationError raised during (de)serialization.
data (Any) – The original input data.
many (bool) – Value of many on dump or load.
partial – Value of partial on load.

Changed in version 3.0.0rc9: Receives many and partial (on deserialization) as keyword arguments.

load(data, *, many=None, partial=None, unknown=None)

Deserialize a data structure to an object defined by this Schema’s fields.

Parameters:

data (Union[Mapping[str, Any], Iterable[Mapping[str, Any]]]) – The data to deserialize.
many (bool | None) – Whether to deserialize data as a collection. If None, the value for self.many is used.
partial (Union[bool, Sequence[str], AbstractSet[str], None]) – Whether to ignore missing fields and not require any fields declared. Propagates down to Nested fields as well. If its value is an iterable, only missing fields listed in that iterable will be ignored. Use dot delimiters to specify nested fields.
unknown (str | None) – Whether to exclude, include, or raise an error for unknown fields in the data. Use EXCLUDE, INCLUDE or RAISE. If None, the value for self.unknown is used.

Returns:

Deserialized data

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the deserialized data rather than a (data, errors) duple. A ValidationError is raised if invalid data are passed.

loads(json_data, *, many=None, partial=None, unknown=None, **kwargs)

Same as load(), except it uses marshmallow.Schema.Meta.render_module to deserialize the passed string before passing data to load().

Parameters:

json_data (str | bytes | bytearray) – A string of the data to deserialize.
many (bool | None) – Whether to deserialize obj as a collection. If None, the value for self.many is used.
partial (Union[bool, Sequence[str], AbstractSet[str], None]) – Whether to ignore missing fields and not require any fields declared. Propagates down to Nested fields as well. If its value is an iterable, only missing fields listed in that iterable will be ignored. Use dot delimiters to specify nested fields.
unknown (str | None) – Whether to exclude, include, or raise an error for unknown fields in the data. Use EXCLUDE, INCLUDE or RAISE. If None, the value for self.unknown is used.

Returns:

Deserialized data

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the deserialized data rather than a (data, errors) duple. A ValidationError is raised if invalid data are passed.

make_object(data, **_)

on_bind_field(field_name, field_obj)

Hook to modify a field when it is bound to the Schema <marshmallow.Schema>.

No-op by default.

Parameters:

field_name (str)
field_obj (Field)

Return type:

None

opts: typing.Any = <marshmallow.schema.SchemaOpts object>

post_dump(data, original_data, **_)

pre_dump(data, **_)

pre_load(data, **_)

set_class: alias of OrderedSet

validate(data, *, many=None, partial=None)

Validate data against the schema, returning a dictionary of validation errors.

Parameters:

data (Union[Mapping[str, Any], Iterable[Mapping[str, Any]]]) – The data to validate.
many (bool | None) – Whether to validate data as a collection. If None, the value for self.many is used.
partial (Union[bool, Sequence[str], AbstractSet[str], None]) – Whether to ignore missing fields and not require any fields declared. Propagates down to Nested fields as well. If its value is an iterable, only missing fields listed in that iterable will be ignored. Use dot delimiters to specify nested fields.

Return type:

dict[str, list[str]]

Returns:

A dictionary of validation errors.

Added in version 1.1.0.

casys.computation.schemas.NadirDataMethodBaseSchema: alias of RegistryBaseSchema

class casys.computation.schemas.NadirDataMethodGenericSchema(**kwargs)

Bases: RegistryGenericSchema

Generic schema for NadirData’s methods.

class Meta

Bases: object

Options object for a Schema.

Example usage:

from marshmallow import Schema


class MySchema(Schema):
    class Meta:
        fields = ("id", "email", "date_created")
        exclude = ("password", "secret_attribute")

A note on type checking

Type checkers will only check the attributes of the Meta <marshmallow.Schema.Meta> class if you explicitly subclass marshmallow.Schema.Meta.

from marshmallow import Schema


class MySchema(Schema):
    # Not checked by type checkers
    class Meta:
        additional = True


class MySchema2(Schema):
    # Type checkers will check attributes
    class Meta(Schema.Opts):
        additional = True  # Incompatible types in assignment

Removed in version 3.0.0b7: Remove strict.

Added in version 3.0.0b12: Add unknown.

Changed in version 3.0.0b17: Rename dateformat to datetimeformat.

Added in version 3.9.0: Add timeformat.

Changed in version 3.26.0: Deprecate ordered. Field order is preserved by default.

additional: ClassVar[tuple[str, ...] | list[str]]: Fields to include in addition to the explicitly declared fields. additional <marshmallow.Schema.Meta.additional> and fields <marshmallow.Schema.Meta.fields> are mutually-exclusive options.

dateformat: ClassVar[str]: Default format for Date <marshmallow.fields.Date> fields.

datetimeformat: ClassVar[str]: Default format for DateTime <marshmallow.fields.DateTime> fields.

dump_only: ClassVar[tuple[str, ...] | list[str]]: Fields to exclude from serialized results

exclude: ClassVar[tuple[str, ...] | list[str]]: Fields to exclude in the serialized result. Nested fields can be represented with dot delimiters.

fields: ClassVar[tuple[str, ...] | list[str]]: Fields to include in the (de)serialized result

include: ClassVar[dict[str, Field]]: Dictionary of additional fields to include in the schema. It is usually better to define fields as class variables, but you may need to use this option, e.g., if your fields are Python keywords.

index_errors: ClassVar[bool]: If True, errors dictionaries will include the index of invalid items in a collection.

load_only: ClassVar[tuple[str, ...] | list[str]]: Fields to exclude from serialized results

many: ClassVar[bool]: Whether data should be (de)serialized as a collection by default.

ordered: ClassVar[bool]: If True, Schema.dump <marshmallow.Schema.dump> is a collections.OrderedDict.

register: ClassVar[bool]: Whether to register the Schema <marshmallow.Schema> with marshmallow’s internal class registry. Must be True if you intend to refer to this Schema <marshmallow.Schema> by class name in Nested fields. Only set this to False when memory usage is critical. Defaults to True.

render_module: Any: Module to use for loads <marshmallow.Schema.loads> and dumps <marshmallow.Schema.dumps>. Defaults to json from the standard library.

timeformat: ClassVar[str]: Default format for Time <marshmallow.fields.Time> fields.

unknown: ClassVar[str]: Whether to exclude, include, or raise an error for unknown fields in the data. Use EXCLUDE, INCLUDE or RAISE.

OPTIONS_CLASS: alias of SchemaOpts

TYPE_MAPPING: dict[type, type[Field]] = {<class 'bool'>: <class 'marshmallow.fields.Boolean'>, <class 'bytes'>: <class 'marshmallow.fields.String'>, <class 'datetime.date'>: <class 'marshmallow.fields.Date'>, <class 'datetime.datetime'>: <class 'marshmallow.fields.DateTime'>, <class 'datetime.time'>: <class 'marshmallow.fields.Time'>, <class 'datetime.timedelta'>: <class 'marshmallow.fields.TimeDelta'>, <class 'decimal.Decimal'>: <class 'marshmallow.fields.Decimal'>, <class 'float'>: <class 'marshmallow.fields.Float'>, <class 'int'>: <class 'marshmallow.fields.Integer'>, <class 'list'>: <class 'marshmallow.fields.Raw'>, <class 'set'>: <class 'marshmallow.fields.Raw'>, <class 'str'>: <class 'marshmallow.fields.String'>, <class 'tuple'>: <class 'marshmallow.fields.Raw'>, <class 'uuid.UUID'>: <class 'marshmallow.fields.UUID'>}

classmethod clear_registry(): Clear everything from this schema’s registry.

property dict_class: type[dict]: dict type to return when serializing.

dump(obj, *, many=None)

Serialize an object to native Python data types according to this Schema’s fields.

Parameters:

obj (Any) – The object to serialize.
many (bool | None) – Whether to serialize obj as a collection. If None, the value for self.many is used.

Returns:

Serialized data

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the serialized data rather than a (data, errors) duple. A ValidationError is raised if obj is invalid.

Changed in version 3.0.0rc9: Validation no longer occurs upon serialization.

dumps(obj, *args, many=None, **kwargs)

Same as dump(), except return a JSON-encoded string.

Parameters:

obj (Any) – The object to serialize.
many (bool | None) – Whether to serialize obj as a collection. If None, the value for self.many is used.

Returns:

A json string

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the serialized data rather than a (data, errors) duple. A ValidationError is raised if obj is invalid.

error_messages: dict[str, str] = {}: Overrides for default schema-level error messages

fields: dict[str, Field]: Dictionary mapping field_names -> Field objects

classmethod from_dict(fields, *, name='GeneratedSchema')

Generate a Schema <marshmallow.Schema> class given a dictionary of fields.

from marshmallow import Schema, fields

PersonSchema = Schema.from_dict({"name": fields.Str()})
print(PersonSchema().load({"name": "David"}))  # => {'name': 'David'}

Generated schemas are not added to the class registry and therefore cannot be referred to by name in Nested fields.

Parameters:

fields (dict[str, Field]) – Dictionary mapping field names to field instances.
name (str) – Optional name for the class, which will appear in the repr for the class.

Return type:

type[Schema]

Added in version 3.0.0.

get_attribute(obj, attr, default)

Defines how to pull values from an object to serialize.

Changed in version 3.0.0a1: Changed position of obj and attr.

Parameters:

obj (Any)
attr (str)
default (Any)

classmethod get_class(name: str) → type[RegistryBaseSchema]

Return the registered class associated with the provided name.

Parameters:: name (str) – Identifier of the schema.
Return type:: type[RegistryBaseSchema]
Returns:: Corresponding schema class.

classmethod get_model()

Return the model associated to this schema.

Return type:: type[TypeVar(T)] | None
Returns:: Model associated to this schema.

classmethod get_model_schema(model: type) → type[RegistryBaseSchema]

Return the registered class associated with the provided model.

Parameters:: model (type) – Identifier of the model.
Return type:: type[RegistryBaseSchema]
Returns:: Corresponding schema class.

classmethod get_type()

Schema’s ID.

Return type:: str

handle_error(error, data, *, many, **kwargs)

Custom error handler function for the schema.

Parameters:

error (ValidationError) – The ValidationError raised during (de)serialization.
data (Any) – The original input data.
many (bool) – Value of many on dump or load.
partial – Value of partial on load.

Changed in version 3.0.0rc9: Receives many and partial (on deserialization) as keyword arguments.

classmethod has_class(name: str) → bool

Test if the provided name is registered.

Parameters:: name (str) – Name of the class.
Return type:: bool
Returns:: True if a class with this name is registered, False otherwise.

load(data, *, many=None, partial=None, unknown=None)

Deserialize a data structure to an object defined by this Schema’s fields.

Parameters:

data (Union[Mapping[str, Any], Iterable[Mapping[str, Any]]]) – The data to deserialize.
many (bool | None) – Whether to deserialize data as a collection. If None, the value for self.many is used.
partial (Union[bool, Sequence[str], AbstractSet[str], None]) – Whether to ignore missing fields and not require any fields declared. Propagates down to Nested fields as well. If its value is an iterable, only missing fields listed in that iterable will be ignored. Use dot delimiters to specify nested fields.
unknown (str | None) – Whether to exclude, include, or raise an error for unknown fields in the data. Use EXCLUDE, INCLUDE or RAISE. If None, the value for self.unknown is used.

Returns:

Deserialized data

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the deserialized data rather than a (data, errors) duple. A ValidationError is raised if invalid data are passed.

loads(json_data, *, many=None, partial=None, unknown=None, **kwargs)

Same as load(), except it uses marshmallow.Schema.Meta.render_module to deserialize the passed string before passing data to load().

Parameters:

json_data (str | bytes | bytearray) – A string of the data to deserialize.
many (bool | None) – Whether to deserialize obj as a collection. If None, the value for self.many is used.
partial (Union[bool, Sequence[str], AbstractSet[str], None]) – Whether to ignore missing fields and not require any fields declared. Propagates down to Nested fields as well. If its value is an iterable, only missing fields listed in that iterable will be ignored. Use dot delimiters to specify nested fields.
unknown (str | None) – Whether to exclude, include, or raise an error for unknown fields in the data. Use EXCLUDE, INCLUDE or RAISE. If None, the value for self.unknown is used.

Returns:

Deserialized data

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the deserialized data rather than a (data, errors) duple. A ValidationError is raised if invalid data are passed.

make_object(data, **_)

on_bind_field(field_name, field_obj)

Hook to modify a field when it is bound to the Schema <marshmallow.Schema>.

No-op by default.

Parameters:

field_name (str)
field_obj (Field)

Return type:

None

opts: typing.Any = <marshmallow.schema.SchemaOpts object>

post_dump(data, original_data, **_)

pre_dump(data, **_)

pre_load(data, **kwargs)

classmethod register(): Register the current class.

classmethod register_schema(schema, exception)

Register the provided schema.

Parameters:

schema (type[RegistryAbstractSchema]) – Schema to register.
exception (type[Exception]) – Exception raised when an invalid operation is made.

classmethod registry()

Returns a copy of the registry.

Return type:: dict[str, type[RegistryAbstractSchema]]

classmethod remove_registry(name)

Parameters:: name (str)

set_class: alias of OrderedSet

classmethod update_registry(schema)

Update current registry with the provided one. An error is raised if the same name is used twice.

Parameters:: schema (type[RegistryAbstractSchema]) – Schemas to register.

validate(data, *, many=None, partial=None)

Validate data against the schema, returning a dictionary of validation errors.

Parameters:

data (Union[Mapping[str, Any], Iterable[Mapping[str, Any]]]) – The data to validate.
many (bool | None) – Whether to validate data as a collection. If None, the value for self.many is used.
partial (Union[bool, Sequence[str], AbstractSet[str], None]) – Whether to ignore missing fields and not require any fields declared. Propagates down to Nested fields as well. If its value is an iterable, only missing fields listed in that iterable will be ignored. Use dot delimiters to specify nested fields.

Return type:

dict[str, list[str]]

Returns:

A dictionary of validation errors.

Added in version 1.1.0.

class casys.computation.schemas.NadirDataSchema(*, only=None, exclude=(), many=None, context=None, load_only=(), dump_only=(), partial=None, unknown=None)

Bases: CommonDataBaseSchema

Marshmallow schema for the NadirData class.

Parameters:

only (Union[Sequence[str], AbstractSet[str], None])
exclude (Union[Sequence[str], AbstractSet[str]])
many (bool | None)
context (dict | None)
load_only (Union[Sequence[str], AbstractSet[str]])
dump_only (Union[Sequence[str], AbstractSet[str]])
partial (Union[bool, Sequence[str], AbstractSet[str], None])
unknown (str | None)

class Meta

Bases: object

Options object for a Schema.

Example usage:

from marshmallow import Schema


class MySchema(Schema):
    class Meta:
        fields = ("id", "email", "date_created")
        exclude = ("password", "secret_attribute")

A note on type checking

Type checkers will only check the attributes of the Meta <marshmallow.Schema.Meta> class if you explicitly subclass marshmallow.Schema.Meta.

from marshmallow import Schema


class MySchema(Schema):
    # Not checked by type checkers
    class Meta:
        additional = True


class MySchema2(Schema):
    # Type checkers will check attributes
    class Meta(Schema.Opts):
        additional = True  # Incompatible types in assignment

Removed in version 3.0.0b7: Remove strict.

Added in version 3.0.0b12: Add unknown.

Changed in version 3.0.0b17: Rename dateformat to datetimeformat.

Added in version 3.9.0: Add timeformat.

Changed in version 3.26.0: Deprecate ordered. Field order is preserved by default.

additional: ClassVar[tuple[str, ...] | list[str]]: Fields to include in addition to the explicitly declared fields. additional <marshmallow.Schema.Meta.additional> and fields <marshmallow.Schema.Meta.fields> are mutually-exclusive options.

dateformat: ClassVar[str]: Default format for Date <marshmallow.fields.Date> fields.

datetimeformat: ClassVar[str]: Default format for DateTime <marshmallow.fields.DateTime> fields.

dump_only: ClassVar[tuple[str, ...] | list[str]]: Fields to exclude from serialized results

exclude: ClassVar[tuple[str, ...] | list[str]]: Fields to exclude in the serialized result. Nested fields can be represented with dot delimiters.

fields: ClassVar[tuple[str, ...] | list[str]]: Fields to include in the (de)serialized result

include: ClassVar[dict[str, Field]]: Dictionary of additional fields to include in the schema. It is usually better to define fields as class variables, but you may need to use this option, e.g., if your fields are Python keywords.

index_errors: ClassVar[bool]: If True, errors dictionaries will include the index of invalid items in a collection.

load_only: ClassVar[tuple[str, ...] | list[str]]: Fields to exclude from serialized results

many: ClassVar[bool]: Whether data should be (de)serialized as a collection by default.

ordered: ClassVar[bool]: If True, Schema.dump <marshmallow.Schema.dump> is a collections.OrderedDict.

register: ClassVar[bool]: Whether to register the Schema <marshmallow.Schema> with marshmallow’s internal class registry. Must be True if you intend to refer to this Schema <marshmallow.Schema> by class name in Nested fields. Only set this to False when memory usage is critical. Defaults to True.

render_module: Any: Module to use for loads <marshmallow.Schema.loads> and dumps <marshmallow.Schema.dumps>. Defaults to json from the standard library.

timeformat: ClassVar[str]: Default format for Time <marshmallow.fields.Time> fields.

unknown: ClassVar[str]: Whether to exclude, include, or raise an error for unknown fields in the data. Use EXCLUDE, INCLUDE or RAISE.

OPTIONS_CLASS: alias of SchemaOpts

TYPE_MAPPING: dict[type, type[Field]] = {<class 'bool'>: <class 'marshmallow.fields.Boolean'>, <class 'bytes'>: <class 'marshmallow.fields.String'>, <class 'datetime.date'>: <class 'marshmallow.fields.Date'>, <class 'datetime.datetime'>: <class 'marshmallow.fields.DateTime'>, <class 'datetime.time'>: <class 'marshmallow.fields.Time'>, <class 'datetime.timedelta'>: <class 'marshmallow.fields.TimeDelta'>, <class 'decimal.Decimal'>: <class 'marshmallow.fields.Decimal'>, <class 'float'>: <class 'marshmallow.fields.Float'>, <class 'int'>: <class 'marshmallow.fields.Integer'>, <class 'list'>: <class 'marshmallow.fields.Raw'>, <class 'set'>: <class 'marshmallow.fields.Raw'>, <class 'str'>: <class 'marshmallow.fields.String'>, <class 'tuple'>: <class 'marshmallow.fields.Raw'>, <class 'uuid.UUID'>: <class 'marshmallow.fields.UUID'>}

classmethod clear_registry(): Clear everything from this schema’s registry.

property dict_class: type[dict]: dict type to return when serializing.

dump(obj, *, many=None)

Serialize an object to native Python data types according to this Schema’s fields.

Parameters:

obj (Any) – The object to serialize.
many (bool | None) – Whether to serialize obj as a collection. If None, the value for self.many is used.

Returns:

Serialized data

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the serialized data rather than a (data, errors) duple. A ValidationError is raised if obj is invalid.

Changed in version 3.0.0rc9: Validation no longer occurs upon serialization.

dump_fields: dict[str, Field]

dumps(obj, *args, many=None, **kwargs)

Same as dump(), except return a JSON-encoded string.

Parameters:

obj (Any) – The object to serialize.
many (bool | None) – Whether to serialize obj as a collection. If None, the value for self.many is used.

Returns:

A json string

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the serialized data rather than a (data, errors) duple. A ValidationError is raised if obj is invalid.

error_messages: dict[str, str] = {}: Overrides for default schema-level error messages

exclude: set[typing.Any] | typing.MutableSet[typing.Any]

fields: dict[str, Field]: Dictionary mapping field_names -> Field objects

classmethod from_dict(fields, *, name='GeneratedSchema')

Generate a Schema <marshmallow.Schema> class given a dictionary of fields.

from marshmallow import Schema, fields

PersonSchema = Schema.from_dict({"name": fields.Str()})
print(PersonSchema().load({"name": "David"}))  # => {'name': 'David'}

Generated schemas are not added to the class registry and therefore cannot be referred to by name in Nested fields.

Parameters:

fields (dict[str, Field]) – Dictionary mapping field names to field instances.
name (str) – Optional name for the class, which will appear in the repr for the class.

Return type:

type[Schema]

Added in version 3.0.0.

get_attribute(obj, attr, default)

Defines how to pull values from an object to serialize.

Changed in version 3.0.0a1: Changed position of obj and attr.

Parameters:

obj (Any)
attr (str)
default (Any)

classmethod get_class(name: str) → type[RegistryBaseSchema]

Return the registered class associated with the provided name.

Parameters:: name (str) – Identifier of the schema.
Return type:: type[RegistryBaseSchema]
Returns:: Corresponding schema class.

classmethod get_model()

Return the model associated to this schema.

Return type:: type[TypeVar(T)] | None
Returns:: Model associated to this schema.

classmethod get_model_schema(model: type) → type[RegistryBaseSchema]

Return the registered class associated with the provided model.

Parameters:: model (type) – Identifier of the model.
Return type:: type[RegistryBaseSchema]
Returns:: Corresponding schema class.

classmethod get_type()

Schema’s ID.

Return type:: str

handle_error(error, data, *, many, **kwargs)

Custom error handler function for the schema.

Parameters:

error (ValidationError) – The ValidationError raised during (de)serialization.
data (Any) – The original input data.
many (bool) – Value of many on dump or load.
partial – Value of partial on load.

Changed in version 3.0.0rc9: Receives many and partial (on deserialization) as keyword arguments.

classmethod has_class(name: str) → bool

Test if the provided name is registered.

Parameters:: name (str) – Name of the class.
Return type:: bool
Returns:: True if a class with this name is registered, False otherwise.

load(data, *, many=None, partial=None, unknown=None)

Deserialize a data structure to an object defined by this Schema’s fields.

Parameters:

data (Union[Mapping[str, Any], Iterable[Mapping[str, Any]]]) – The data to deserialize.
many (bool | None) – Whether to deserialize data as a collection. If None, the value for self.many is used.
partial (Union[bool, Sequence[str], AbstractSet[str], None]) – Whether to ignore missing fields and not require any fields declared. Propagates down to Nested fields as well. If its value is an iterable, only missing fields listed in that iterable will be ignored. Use dot delimiters to specify nested fields.
unknown (str | None) – Whether to exclude, include, or raise an error for unknown fields in the data. Use EXCLUDE, INCLUDE or RAISE. If None, the value for self.unknown is used.

Returns:

Deserialized data

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the deserialized data rather than a (data, errors) duple. A ValidationError is raised if invalid data are passed.

load_fields: dict[str, Field]

loads(json_data, *, many=None, partial=None, unknown=None, **kwargs)

Same as load(), except it uses marshmallow.Schema.Meta.render_module to deserialize the passed string before passing data to load().

Parameters:

json_data (str | bytes | bytearray) – A string of the data to deserialize.
many (bool | None) – Whether to deserialize obj as a collection. If None, the value for self.many is used.
partial (Union[bool, Sequence[str], AbstractSet[str], None]) – Whether to ignore missing fields and not require any fields declared. Propagates down to Nested fields as well. If its value is an iterable, only missing fields listed in that iterable will be ignored. Use dot delimiters to specify nested fields.
unknown (str | None) – Whether to exclude, include, or raise an error for unknown fields in the data. Use EXCLUDE, INCLUDE or RAISE. If None, the value for self.unknown is used.

Returns:

Deserialized data

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the deserialized data rather than a (data, errors) duple. A ValidationError is raised if invalid data are passed.

make_object(data, **_)

on_bind_field(field_name, field_obj)

Hook to modify a field when it is bound to the Schema <marshmallow.Schema>.

No-op by default.

Parameters:

field_name (str)
field_obj (Field)

Return type:

None

opts: typing.Any = <marshmallow.schema.SchemaOpts object>

post_dump(data, original_data, **_)

pre_dump(data, **_)

pre_load(data, **_)

classmethod register(): Register the current class.

classmethod register_schema(schema, exception)

Register the provided schema.

Parameters:

schema (type[RegistryAbstractSchema]) – Schema to register.
exception (type[Exception]) – Exception raised when an invalid operation is made.

classmethod registry()

Returns a copy of the registry.

Return type:: dict[str, type[RegistryAbstractSchema]]

classmethod remove_registry(name)

Parameters:: name (str)

set_class: alias of OrderedSet

classmethod update_registry(schema)

Update current registry with the provided one. An error is raised if the same name is used twice.

Parameters:: schema (type[RegistryAbstractSchema]) – Schemas to register.

validate(data, *, many=None, partial=None)

Validate data against the schema, returning a dictionary of validation errors.

Parameters:

data (Union[Mapping[str, Any], Iterable[Mapping[str, Any]]]) – The data to validate.
many (bool | None) – Whether to validate data as a collection. If None, the value for self.many is used.
partial (Union[bool, Sequence[str], AbstractSet[str], None]) – Whether to ignore missing fields and not require any fields declared. Propagates down to Nested fields as well. If its value is an iterable, only missing fields listed in that iterable will be ignored. Use dot delimiters to specify nested fields.

Return type:

dict[str, list[str]]

Returns:

A dictionary of validation errors.

Added in version 1.1.0.

casys.computation.schemas.SwathDataMethodBaseSchema: alias of RegistryBaseSchema

class casys.computation.schemas.SwathDataMethodGenericSchema(**kwargs)

Bases: RegistryGenericSchema

Generic schema for SwathData’s methods.

class Meta

Bases: object

Options object for a Schema.

Example usage:

from marshmallow import Schema


class MySchema(Schema):
    class Meta:
        fields = ("id", "email", "date_created")
        exclude = ("password", "secret_attribute")

A note on type checking

Type checkers will only check the attributes of the Meta <marshmallow.Schema.Meta> class if you explicitly subclass marshmallow.Schema.Meta.

from marshmallow import Schema


class MySchema(Schema):
    # Not checked by type checkers
    class Meta:
        additional = True


class MySchema2(Schema):
    # Type checkers will check attributes
    class Meta(Schema.Opts):
        additional = True  # Incompatible types in assignment

Removed in version 3.0.0b7: Remove strict.

Added in version 3.0.0b12: Add unknown.

Changed in version 3.0.0b17: Rename dateformat to datetimeformat.

Added in version 3.9.0: Add timeformat.

Changed in version 3.26.0: Deprecate ordered. Field order is preserved by default.

additional: ClassVar[tuple[str, ...] | list[str]]: Fields to include in addition to the explicitly declared fields. additional <marshmallow.Schema.Meta.additional> and fields <marshmallow.Schema.Meta.fields> are mutually-exclusive options.

dateformat: ClassVar[str]: Default format for Date <marshmallow.fields.Date> fields.

datetimeformat: ClassVar[str]: Default format for DateTime <marshmallow.fields.DateTime> fields.

dump_only: ClassVar[tuple[str, ...] | list[str]]: Fields to exclude from serialized results

exclude: ClassVar[tuple[str, ...] | list[str]]: Fields to exclude in the serialized result. Nested fields can be represented with dot delimiters.

fields: ClassVar[tuple[str, ...] | list[str]]: Fields to include in the (de)serialized result

include: ClassVar[dict[str, Field]]: Dictionary of additional fields to include in the schema. It is usually better to define fields as class variables, but you may need to use this option, e.g., if your fields are Python keywords.

index_errors: ClassVar[bool]: If True, errors dictionaries will include the index of invalid items in a collection.

load_only: ClassVar[tuple[str, ...] | list[str]]: Fields to exclude from serialized results

many: ClassVar[bool]: Whether data should be (de)serialized as a collection by default.

ordered: ClassVar[bool]: If True, Schema.dump <marshmallow.Schema.dump> is a collections.OrderedDict.

register: ClassVar[bool]: Whether to register the Schema <marshmallow.Schema> with marshmallow’s internal class registry. Must be True if you intend to refer to this Schema <marshmallow.Schema> by class name in Nested fields. Only set this to False when memory usage is critical. Defaults to True.

render_module: Any: Module to use for loads <marshmallow.Schema.loads> and dumps <marshmallow.Schema.dumps>. Defaults to json from the standard library.

timeformat: ClassVar[str]: Default format for Time <marshmallow.fields.Time> fields.

unknown: ClassVar[str]: Whether to exclude, include, or raise an error for unknown fields in the data. Use EXCLUDE, INCLUDE or RAISE.

OPTIONS_CLASS: alias of SchemaOpts

TYPE_MAPPING: dict[type, type[Field]] = {<class 'bool'>: <class 'marshmallow.fields.Boolean'>, <class 'bytes'>: <class 'marshmallow.fields.String'>, <class 'datetime.date'>: <class 'marshmallow.fields.Date'>, <class 'datetime.datetime'>: <class 'marshmallow.fields.DateTime'>, <class 'datetime.time'>: <class 'marshmallow.fields.Time'>, <class 'datetime.timedelta'>: <class 'marshmallow.fields.TimeDelta'>, <class 'decimal.Decimal'>: <class 'marshmallow.fields.Decimal'>, <class 'float'>: <class 'marshmallow.fields.Float'>, <class 'int'>: <class 'marshmallow.fields.Integer'>, <class 'list'>: <class 'marshmallow.fields.Raw'>, <class 'set'>: <class 'marshmallow.fields.Raw'>, <class 'str'>: <class 'marshmallow.fields.String'>, <class 'tuple'>: <class 'marshmallow.fields.Raw'>, <class 'uuid.UUID'>: <class 'marshmallow.fields.UUID'>}

classmethod clear_registry(): Clear everything from this schema’s registry.

property dict_class: type[dict]: dict type to return when serializing.

dump(obj, *, many=None)

Serialize an object to native Python data types according to this Schema’s fields.

Parameters:

obj (Any) – The object to serialize.
many (bool | None) – Whether to serialize obj as a collection. If None, the value for self.many is used.

Returns:

Serialized data

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the serialized data rather than a (data, errors) duple. A ValidationError is raised if obj is invalid.

Changed in version 3.0.0rc9: Validation no longer occurs upon serialization.

dumps(obj, *args, many=None, **kwargs)

Same as dump(), except return a JSON-encoded string.

Parameters:

obj (Any) – The object to serialize.
many (bool | None) – Whether to serialize obj as a collection. If None, the value for self.many is used.

Returns:

A json string

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the serialized data rather than a (data, errors) duple. A ValidationError is raised if obj is invalid.

error_messages: dict[str, str] = {}: Overrides for default schema-level error messages

fields: dict[str, Field]: Dictionary mapping field_names -> Field objects

classmethod from_dict(fields, *, name='GeneratedSchema')

Generate a Schema <marshmallow.Schema> class given a dictionary of fields.

from marshmallow import Schema, fields

PersonSchema = Schema.from_dict({"name": fields.Str()})
print(PersonSchema().load({"name": "David"}))  # => {'name': 'David'}

Generated schemas are not added to the class registry and therefore cannot be referred to by name in Nested fields.

Parameters:

fields (dict[str, Field]) – Dictionary mapping field names to field instances.
name (str) – Optional name for the class, which will appear in the repr for the class.

Return type:

type[Schema]

Added in version 3.0.0.

get_attribute(obj, attr, default)

Defines how to pull values from an object to serialize.

Changed in version 3.0.0a1: Changed position of obj and attr.

Parameters:

obj (Any)
attr (str)
default (Any)

classmethod get_class(name: str) → type[RegistryBaseSchema]

Return the registered class associated with the provided name.

Parameters:: name (str) – Identifier of the schema.
Return type:: type[RegistryBaseSchema]
Returns:: Corresponding schema class.

classmethod get_model()

Return the model associated to this schema.

Return type:: type[TypeVar(T)] | None
Returns:: Model associated to this schema.

classmethod get_model_schema(model: type) → type[RegistryBaseSchema]

Return the registered class associated with the provided model.

Parameters:: model (type) – Identifier of the model.
Return type:: type[RegistryBaseSchema]
Returns:: Corresponding schema class.

classmethod get_type()

Schema’s ID.

Return type:: str

handle_error(error, data, *, many, **kwargs)

Custom error handler function for the schema.

Parameters:

error (ValidationError) – The ValidationError raised during (de)serialization.
data (Any) – The original input data.
many (bool) – Value of many on dump or load.
partial – Value of partial on load.

Changed in version 3.0.0rc9: Receives many and partial (on deserialization) as keyword arguments.

classmethod has_class(name: str) → bool

Test if the provided name is registered.

Parameters:: name (str) – Name of the class.
Return type:: bool
Returns:: True if a class with this name is registered, False otherwise.

load(data, *, many=None, partial=None, unknown=None)

Deserialize a data structure to an object defined by this Schema’s fields.

Parameters:

data (Union[Mapping[str, Any], Iterable[Mapping[str, Any]]]) – The data to deserialize.
many (bool | None) – Whether to deserialize data as a collection. If None, the value for self.many is used.
partial (Union[bool, Sequence[str], AbstractSet[str], None]) – Whether to ignore missing fields and not require any fields declared. Propagates down to Nested fields as well. If its value is an iterable, only missing fields listed in that iterable will be ignored. Use dot delimiters to specify nested fields.
unknown (str | None) – Whether to exclude, include, or raise an error for unknown fields in the data. Use EXCLUDE, INCLUDE or RAISE. If None, the value for self.unknown is used.

Returns:

Deserialized data

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the deserialized data rather than a (data, errors) duple. A ValidationError is raised if invalid data are passed.

loads(json_data, *, many=None, partial=None, unknown=None, **kwargs)

Same as load(), except it uses marshmallow.Schema.Meta.render_module to deserialize the passed string before passing data to load().

Parameters:

json_data (str | bytes | bytearray) – A string of the data to deserialize.
many (bool | None) – Whether to deserialize obj as a collection. If None, the value for self.many is used.
partial (Union[bool, Sequence[str], AbstractSet[str], None]) – Whether to ignore missing fields and not require any fields declared. Propagates down to Nested fields as well. If its value is an iterable, only missing fields listed in that iterable will be ignored. Use dot delimiters to specify nested fields.
unknown (str | None) – Whether to exclude, include, or raise an error for unknown fields in the data. Use EXCLUDE, INCLUDE or RAISE. If None, the value for self.unknown is used.

Returns:

Deserialized data

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the deserialized data rather than a (data, errors) duple. A ValidationError is raised if invalid data are passed.

make_object(data, **_)

on_bind_field(field_name, field_obj)

Hook to modify a field when it is bound to the Schema <marshmallow.Schema>.

No-op by default.

Parameters:

field_name (str)
field_obj (Field)

Return type:

None

opts: typing.Any = <marshmallow.schema.SchemaOpts object>

post_dump(data, original_data, **_)

pre_dump(data, **_)

pre_load(data, **kwargs)

classmethod register(): Register the current class.

classmethod register_schema(schema, exception)

Register the provided schema.

Parameters:

schema (type[RegistryAbstractSchema]) – Schema to register.
exception (type[Exception]) – Exception raised when an invalid operation is made.

classmethod registry()

Returns a copy of the registry.

Return type:: dict[str, type[RegistryAbstractSchema]]

classmethod remove_registry(name)

Parameters:: name (str)

set_class: alias of OrderedSet

classmethod update_registry(schema)

Update current registry with the provided one. An error is raised if the same name is used twice.

Parameters:: schema (type[RegistryAbstractSchema]) – Schemas to register.

validate(data, *, many=None, partial=None)

Validate data against the schema, returning a dictionary of validation errors.

Parameters:

data (Union[Mapping[str, Any], Iterable[Mapping[str, Any]]]) – The data to validate.
many (bool | None) – Whether to validate data as a collection. If None, the value for self.many is used.
partial (Union[bool, Sequence[str], AbstractSet[str], None]) – Whether to ignore missing fields and not require any fields declared. Propagates down to Nested fields as well. If its value is an iterable, only missing fields listed in that iterable will be ignored. Use dot delimiters to specify nested fields.

Return type:

dict[str, list[str]]

Returns:

A dictionary of validation errors.

Added in version 1.1.0.

class casys.computation.schemas.SwathDataSchema(*, only=None, exclude=(), many=None, context=None, load_only=(), dump_only=(), partial=None, unknown=None)

Bases: CommonDataBaseSchema

Marshmallow schema for the SwathData class.

Parameters:

only (Union[Sequence[str], AbstractSet[str], None])
exclude (Union[Sequence[str], AbstractSet[str]])
many (bool | None)
context (dict | None)
load_only (Union[Sequence[str], AbstractSet[str]])
dump_only (Union[Sequence[str], AbstractSet[str]])
partial (Union[bool, Sequence[str], AbstractSet[str], None])
unknown (str | None)

class Meta

Bases: object

Options object for a Schema.

Example usage:

from marshmallow import Schema


class MySchema(Schema):
    class Meta:
        fields = ("id", "email", "date_created")
        exclude = ("password", "secret_attribute")

A note on type checking

Type checkers will only check the attributes of the Meta <marshmallow.Schema.Meta> class if you explicitly subclass marshmallow.Schema.Meta.

from marshmallow import Schema


class MySchema(Schema):
    # Not checked by type checkers
    class Meta:
        additional = True


class MySchema2(Schema):
    # Type checkers will check attributes
    class Meta(Schema.Opts):
        additional = True  # Incompatible types in assignment

Removed in version 3.0.0b7: Remove strict.

Added in version 3.0.0b12: Add unknown.

Changed in version 3.0.0b17: Rename dateformat to datetimeformat.

Added in version 3.9.0: Add timeformat.

Changed in version 3.26.0: Deprecate ordered. Field order is preserved by default.

additional: ClassVar[tuple[str, ...] | list[str]]: Fields to include in addition to the explicitly declared fields. additional <marshmallow.Schema.Meta.additional> and fields <marshmallow.Schema.Meta.fields> are mutually-exclusive options.

dateformat: ClassVar[str]: Default format for Date <marshmallow.fields.Date> fields.

datetimeformat: ClassVar[str]: Default format for DateTime <marshmallow.fields.DateTime> fields.

dump_only: ClassVar[tuple[str, ...] | list[str]]: Fields to exclude from serialized results

exclude: ClassVar[tuple[str, ...] | list[str]]: Fields to exclude in the serialized result. Nested fields can be represented with dot delimiters.

fields: ClassVar[tuple[str, ...] | list[str]]: Fields to include in the (de)serialized result

include: ClassVar[dict[str, Field]]: Dictionary of additional fields to include in the schema. It is usually better to define fields as class variables, but you may need to use this option, e.g., if your fields are Python keywords.

index_errors: ClassVar[bool]: If True, errors dictionaries will include the index of invalid items in a collection.

load_only: ClassVar[tuple[str, ...] | list[str]]: Fields to exclude from serialized results

many: ClassVar[bool]: Whether data should be (de)serialized as a collection by default.

ordered: ClassVar[bool]: If True, Schema.dump <marshmallow.Schema.dump> is a collections.OrderedDict.

register: ClassVar[bool]: Whether to register the Schema <marshmallow.Schema> with marshmallow’s internal class registry. Must be True if you intend to refer to this Schema <marshmallow.Schema> by class name in Nested fields. Only set this to False when memory usage is critical. Defaults to True.

render_module: Any: Module to use for loads <marshmallow.Schema.loads> and dumps <marshmallow.Schema.dumps>. Defaults to json from the standard library.

timeformat: ClassVar[str]: Default format for Time <marshmallow.fields.Time> fields.

unknown: ClassVar[str]: Whether to exclude, include, or raise an error for unknown fields in the data. Use EXCLUDE, INCLUDE or RAISE.

OPTIONS_CLASS: alias of SchemaOpts

TYPE_MAPPING: dict[type, type[Field]] = {<class 'bool'>: <class 'marshmallow.fields.Boolean'>, <class 'bytes'>: <class 'marshmallow.fields.String'>, <class 'datetime.date'>: <class 'marshmallow.fields.Date'>, <class 'datetime.datetime'>: <class 'marshmallow.fields.DateTime'>, <class 'datetime.time'>: <class 'marshmallow.fields.Time'>, <class 'datetime.timedelta'>: <class 'marshmallow.fields.TimeDelta'>, <class 'decimal.Decimal'>: <class 'marshmallow.fields.Decimal'>, <class 'float'>: <class 'marshmallow.fields.Float'>, <class 'int'>: <class 'marshmallow.fields.Integer'>, <class 'list'>: <class 'marshmallow.fields.Raw'>, <class 'set'>: <class 'marshmallow.fields.Raw'>, <class 'str'>: <class 'marshmallow.fields.String'>, <class 'tuple'>: <class 'marshmallow.fields.Raw'>, <class 'uuid.UUID'>: <class 'marshmallow.fields.UUID'>}

classmethod clear_registry(): Clear everything from this schema’s registry.

property dict_class: type[dict]: dict type to return when serializing.

dump(obj, *, many=None)

Serialize an object to native Python data types according to this Schema’s fields.

Parameters:

obj (Any) – The object to serialize.
many (bool | None) – Whether to serialize obj as a collection. If None, the value for self.many is used.

Returns:

Serialized data

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the serialized data rather than a (data, errors) duple. A ValidationError is raised if obj is invalid.

Changed in version 3.0.0rc9: Validation no longer occurs upon serialization.

dump_fields: dict[str, Field]

dumps(obj, *args, many=None, **kwargs)

Same as dump(), except return a JSON-encoded string.

Parameters:

obj (Any) – The object to serialize.
many (bool | None) – Whether to serialize obj as a collection. If None, the value for self.many is used.

Returns:

A json string

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the serialized data rather than a (data, errors) duple. A ValidationError is raised if obj is invalid.

error_messages: dict[str, str] = {}: Overrides for default schema-level error messages

exclude: set[typing.Any] | typing.MutableSet[typing.Any]

fields: dict[str, Field]: Dictionary mapping field_names -> Field objects

classmethod from_dict(fields, *, name='GeneratedSchema')

Generate a Schema <marshmallow.Schema> class given a dictionary of fields.

from marshmallow import Schema, fields

PersonSchema = Schema.from_dict({"name": fields.Str()})
print(PersonSchema().load({"name": "David"}))  # => {'name': 'David'}

Generated schemas are not added to the class registry and therefore cannot be referred to by name in Nested fields.

Parameters:

fields (dict[str, Field]) – Dictionary mapping field names to field instances.
name (str) – Optional name for the class, which will appear in the repr for the class.

Return type:

type[Schema]

Added in version 3.0.0.

get_attribute(obj, attr, default)

Defines how to pull values from an object to serialize.

Changed in version 3.0.0a1: Changed position of obj and attr.

Parameters:

obj (Any)
attr (str)
default (Any)

classmethod get_class(name: str) → type[RegistryBaseSchema]

Return the registered class associated with the provided name.

Parameters:: name (str) – Identifier of the schema.
Return type:: type[RegistryBaseSchema]
Returns:: Corresponding schema class.

classmethod get_model()

Return the model associated to this schema.

Return type:: type[TypeVar(T)] | None
Returns:: Model associated to this schema.

classmethod get_model_schema(model: type) → type[RegistryBaseSchema]

Return the registered class associated with the provided model.

Parameters:: model (type) – Identifier of the model.
Return type:: type[RegistryBaseSchema]
Returns:: Corresponding schema class.

classmethod get_type()

Schema’s ID.

Return type:: str

handle_error(error, data, *, many, **kwargs)

Custom error handler function for the schema.

Parameters:

error (ValidationError) – The ValidationError raised during (de)serialization.
data (Any) – The original input data.
many (bool) – Value of many on dump or load.
partial – Value of partial on load.

Changed in version 3.0.0rc9: Receives many and partial (on deserialization) as keyword arguments.

classmethod has_class(name: str) → bool

Test if the provided name is registered.

Parameters:: name (str) – Name of the class.
Return type:: bool
Returns:: True if a class with this name is registered, False otherwise.

load(data, *, many=None, partial=None, unknown=None)

Deserialize a data structure to an object defined by this Schema’s fields.

Parameters:

data (Union[Mapping[str, Any], Iterable[Mapping[str, Any]]]) – The data to deserialize.
many (bool | None) – Whether to deserialize data as a collection. If None, the value for self.many is used.
partial (Union[bool, Sequence[str], AbstractSet[str], None]) – Whether to ignore missing fields and not require any fields declared. Propagates down to Nested fields as well. If its value is an iterable, only missing fields listed in that iterable will be ignored. Use dot delimiters to specify nested fields.
unknown (str | None) – Whether to exclude, include, or raise an error for unknown fields in the data. Use EXCLUDE, INCLUDE or RAISE. If None, the value for self.unknown is used.

Returns:

Deserialized data

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the deserialized data rather than a (data, errors) duple. A ValidationError is raised if invalid data are passed.

load_fields: dict[str, Field]

loads(json_data, *, many=None, partial=None, unknown=None, **kwargs)

Same as load(), except it uses marshmallow.Schema.Meta.render_module to deserialize the passed string before passing data to load().

Parameters:

json_data (str | bytes | bytearray) – A string of the data to deserialize.
many (bool | None) – Whether to deserialize obj as a collection. If None, the value for self.many is used.
partial (Union[bool, Sequence[str], AbstractSet[str], None]) – Whether to ignore missing fields and not require any fields declared. Propagates down to Nested fields as well. If its value is an iterable, only missing fields listed in that iterable will be ignored. Use dot delimiters to specify nested fields.
unknown (str | None) – Whether to exclude, include, or raise an error for unknown fields in the data. Use EXCLUDE, INCLUDE or RAISE. If None, the value for self.unknown is used.

Returns:

Deserialized data

Added in version 1.0.0.

Changed in version 3.0.0b7: This method returns the deserialized data rather than a (data, errors) duple. A ValidationError is raised if invalid data are passed.

make_object(data, **_)

on_bind_field(field_name, field_obj)

Hook to modify a field when it is bound to the Schema <marshmallow.Schema>.

No-op by default.

Parameters:

field_name (str)
field_obj (Field)

Return type:

None

opts: typing.Any = <marshmallow.schema.SchemaOpts object>

post_dump(data, original_data, **_)

pre_dump(data, **_)

pre_load(data, **_)

classmethod register(): Register the current class.

classmethod register_schema(schema, exception)

Register the provided schema.

Parameters:

schema (type[RegistryAbstractSchema]) – Schema to register.
exception (type[Exception]) – Exception raised when an invalid operation is made.

classmethod registry()

Returns a copy of the registry.

Return type:: dict[str, type[RegistryAbstractSchema]]

classmethod remove_registry(name)

Parameters:: name (str)

set_class: alias of OrderedSet

classmethod update_registry(schema)

Update current registry with the provided one. An error is raised if the same name is used twice.

Parameters:: schema (type[RegistryAbstractSchema]) – Schemas to register.

validate(data, *, many=None, partial=None)

Validate data against the schema, returning a dictionary of validation errors.

Parameters:

data (Union[Mapping[str, Any], Iterable[Mapping[str, Any]]]) – The data to validate.
many (bool | None) – Whether to validate data as a collection. If None, the value for self.many is used.
partial (Union[bool, Sequence[str], AbstractSet[str], None]) – Whether to ignore missing fields and not require any fields declared. Propagates down to Nested fields as well. If its value is an iterable, only missing fields listed in that iterable will be ignored. Use dot delimiters to specify nested fields.

Return type:

dict[str, list[str]]

Returns:

A dictionary of validation errors.

Added in version 1.1.0.

casys.computation.schemas.container_has_method(ctype, method)

Test whether the provided container type has a method.

Parameters:

ctype (DataContainerType) – Data container.
method (str) – Method’s name.

Returns:

True if the data container has this method.

Return type:

res

casys.computation.schemas.convert_deprecated_diagnostic_name(data)

Retro-compatibility with old diagnostic naming.

Parameters:: data (dict[str, Any])
Return type:: dict[str, Any]

casys.computation.schemas.convert_deprecated_kwargs_parameter(data, known_parameters, prefix='')

Retro-compatibility with previous direct use of kwargs to pass additional parameters to pandas.date_range underlying function, for diagnostics performing time statistics.

Parameters:

data (dict[str, Any])
known_parameters (list[str])
prefix (str)

Return type:

dict[str, Any]

casys.computation.schemas.convert_deprecated_sp_parameter(data)

Retro-compatibility with old stat_reduction and stat_selection parameters for swath spectral analysis diagnostic.

Parameters:: data (dict[str, Any])
Return type:: dict[str, Any]

casys.computation.schemas.convert_deprecated_stats_parameter(data)

Retro-compatibility with old stats parameter for crossovers diagnostics.

Parameters:: data (dict[str, Any])
Return type:: dict[str, Any]

casys.computation.schemas.register_data_containers(): Register the NadirDataSchema and SwathDataSchema.

casys.computation.schemas.register_diagnostic_dumper(): Register the diagnostics dump schemas.

casys.computation.schemas.register_nadir_data_methods(): Register all NadirData methods’ schema.

casys.computation.schemas.register_swath_data_methods(): Register all SwathData methods’ schema.