aries_cloudagent.messaging.decorators package

Submodules

aries_cloudagent.messaging.decorators.attach_decorator module

A message decorator for attachments.

An attach decorator embeds content or specifies appended content.

class aries_cloudagent.messaging.decorators.attach_decorator.AttachDecorator(*, ident: str = None, description: str = None, filename: str = None, mime_type: str = None, lastmod_time: str = None, byte_count: int = None, data: aries_cloudagent.messaging.decorators.attach_decorator.AttachDecoratorData, **kwargs)

Bases: aries_cloudagent.messaging.models.base.BaseModel

Class representing attach decorator.

class Meta

Bases: object

AttachDecorator metadata.

schema_class = 'AttachDecoratorSchema'

content

Return attachment content.

Returns:data attachment, decoded if necessary and json-loaded, or data links and sha-256 hash.

classmethod data_base64(mapping: Mapping, *, ident: str = None, description: str = None, filename: str = None, lastmod_time: str = None, byte_count: int = None)

Create AttachDecorator instance on base64-encoded data from input mapping.

Given mapping, JSON dump, base64-encode, and embed it as data; mark application/json MIME type.

Parameters:

• mapping – (dict) data structure; e.g., indy production
• ident – optional attachment identifier (default random UUID4)
• description – optional attachment description
• filename – optional attachment filename
• lastmod_time – optional attachment last modification time
• byte_count – optional attachment byte count

classmethod data_json(mapping: Union[Sequence[dict], dict], *, ident: str = None, description: str = None, filename: str = None, lastmod_time: str = None, byte_count: int = None)

Create AttachDecorator instance on json-encoded data from input mapping.

Given message object (dict), JSON dump, and embed it as data; mark application/json MIME type.

Parameters:

• mapping – (dict) data structure; e.g., Aries message
• ident – optional attachment identifier (default random UUID4)
• description – optional attachment description
• filename – optional attachment filename
• lastmod_time – optional attachment last modification time
• byte_count – optional attachment byte count

classmethod data_links(links: Union[str, Sequence[str]], sha256: str = None, *, ident: str = None, mime_type: str = None, description: str = None, filename: str = None, lastmod_time: str = None, byte_count: int = None)

Create AttachDecorator instance on json-encoded data from input mapping.

Given message object (dict), JSON dump, and embed it as data; mark application/json MIME type.

Parameters:

• links – URL or list of URLs
• sha256 – optional sha-256 hash for content
• ident – optional attachment identifier (default random UUID4)
• mime_type – optional MIME type
• description – optional attachment description
• filename – optional attachment filename
• lastmod_time – optional attachment last modification time
• byte_count – optional attachment byte count

class aries_cloudagent.messaging.decorators.attach_decorator.AttachDecoratorData(*, jws_: aries_cloudagent.messaging.decorators.attach_decorator.AttachDecoratorDataJWS = None, sha256_: str = None, links_: Union[Sequence[str], str] = None, base64_: str = None, json_: Union[Sequence[dict], dict] = None)

Bases: aries_cloudagent.messaging.models.base.BaseModel

Attach decorator data.

class Meta

Bases: object

AttachDecoratorData metadata.

schema_class = 'AttachDecoratorDataSchema'

base64

Accessor for base64 decorator data, or None.

header_map(idx: int = 0, jose: bool = True) → Mapping

Accessor for header info at input index, default 0 or unique for singly-signed.

Parameters:

• idx – index of interest, zero-based (default 0)
• jose – True to return unprotected header attributes, False for protected only

json

Accessor for json decorator data, or None.

jws

Accessor for JWS, or None.

links

Accessor for links decorator data, or None.

sha256

Accessor for sha256 decorator data, or None.

sign(verkeys: Union[str, Sequence[str]], wallet: aries_cloudagent.wallet.base.BaseWallet)

Sign base64 data value of attachment.

Parameters:

• verkeys – verkey(s) of the signing party (in raw or DID key format)
• wallet – The wallet to use for the signature

signatures

Accessor for number of signatures.

signed

Accessor for signed content (payload), None for unsigned.

verify(wallet: aries_cloudagent.wallet.base.BaseWallet, signer_verkey: str = None) → bool

Verify the signature(s).

Parameters:wallet – Wallet to use to verify signature Returns:True if verification succeeds else False

class aries_cloudagent.messaging.decorators.attach_decorator.AttachDecoratorData1JWS(*, header: aries_cloudagent.messaging.decorators.attach_decorator.AttachDecoratorDataJWSHeader, protected: str = None, signature: str)

Bases: aries_cloudagent.messaging.models.base.BaseModel

Single Detached JSON Web Signature for inclusion in attach decorator data.

class Meta

Bases: object

AttachDecoratorData1JWS metadata.

schema_class = 'AttachDecoratorData1JWSSchema'

class aries_cloudagent.messaging.decorators.attach_decorator.AttachDecoratorData1JWSSchema(*args, **kwargs)

Bases: aries_cloudagent.messaging.models.base.BaseModelSchema

Single attach decorator data JWS schema.

class Meta

Bases: object

Single attach decorator data JWS schema metadata.

model_class

alias of AttachDecoratorData1JWS

unknown

Used by autodoc_mock_imports.

header

Used by autodoc_mock_imports.

protected

Used by autodoc_mock_imports.

signature

Used by autodoc_mock_imports.

class aries_cloudagent.messaging.decorators.attach_decorator.AttachDecoratorDataJWS(*, header: aries_cloudagent.messaging.decorators.attach_decorator.AttachDecoratorDataJWSHeader = None, protected: str = None, signature: str = None, signatures: Sequence[aries_cloudagent.messaging.decorators.attach_decorator.AttachDecoratorData1JWS] = None)

Bases: aries_cloudagent.messaging.models.base.BaseModel

Detached JSON Web Signature for inclusion in attach decorator data.

May hold one signature in flattened format, or multiple signatures in the “signatures” member.

class Meta

Bases: object

AttachDecoratorDataJWS metadata.

schema_class = 'AttachDecoratorDataJWSSchema'

class aries_cloudagent.messaging.decorators.attach_decorator.AttachDecoratorDataJWSHeader(kid: str)

Bases: aries_cloudagent.messaging.models.base.BaseModel

Attach decorator data JWS header.

class Meta

Bases: object

AttachDecoratorDataJWS metadata.

schema_class = 'AttachDecoratorDataJWSHeaderSchema'

class aries_cloudagent.messaging.decorators.attach_decorator.AttachDecoratorDataJWSHeaderSchema(*args, **kwargs)

Bases: aries_cloudagent.messaging.models.base.BaseModelSchema

Attach decorator data JWS header schema.

class Meta

Bases: object

Attach decorator data schema metadata.

model_class

alias of AttachDecoratorDataJWSHeader

unknown

Used by autodoc_mock_imports.

kid

Used by autodoc_mock_imports.

class aries_cloudagent.messaging.decorators.attach_decorator.AttachDecoratorDataJWSSchema(*args, **kwargs)

Bases: aries_cloudagent.messaging.models.base.BaseModelSchema

Schema for detached JSON Web Signature for inclusion in attach decorator data.

class Meta

Bases: object

Metadata for schema for detached JWS for inclusion in attach deco data.

model_class

alias of AttachDecoratorDataJWS

unknown

Used by autodoc_mock_imports.

header

Used by autodoc_mock_imports.

protected

Used by autodoc_mock_imports.

signature

Used by autodoc_mock_imports.

signatures

Used by autodoc_mock_imports.

validate_single_xor_multi_sig(data: Mapping, **kwargs)

Ensure model is for either 1 or many sigatures, not mishmash of both.

class aries_cloudagent.messaging.decorators.attach_decorator.AttachDecoratorDataSchema(*args, **kwargs)

Bases: aries_cloudagent.messaging.models.base.BaseModelSchema

Attach decorator data schema.

class Meta

Bases: object

Attach decorator data schema metadata.

model_class

alias of AttachDecoratorData

unknown

Used by autodoc_mock_imports.

base64_

Used by autodoc_mock_imports.

json_

Dict or Dict List field for Marshmallow.

jws_

Used by autodoc_mock_imports.

links_

Used by autodoc_mock_imports.

sha256_

Used by autodoc_mock_imports.

validate_data_spec(data: Mapping, **kwargs)

Ensure model chooses exactly one of base64, json, or links.

class aries_cloudagent.messaging.decorators.attach_decorator.AttachDecoratorSchema(*args, **kwargs)

Bases: aries_cloudagent.messaging.models.base.BaseModelSchema

Attach decorator schema used in serialization/deserialization.

class Meta

Bases: object

AttachDecoratorSchema metadata.

model_class

alias of AttachDecorator

unknown

Used by autodoc_mock_imports.

byte_count

Used by autodoc_mock_imports.

data

Used by autodoc_mock_imports.

description

Used by autodoc_mock_imports.

filename

Used by autodoc_mock_imports.

ident

Used by autodoc_mock_imports.

lastmod_time

Used by autodoc_mock_imports.

mime_type

Used by autodoc_mock_imports.

aries_cloudagent.messaging.decorators.attach_decorator.did_key(verkey: str) → str

Qualify verkey into DID key if need be.

aries_cloudagent.messaging.decorators.attach_decorator.raw_key(verkey: str) → str

Strip qualified key to raw key if need be.

aries_cloudagent.messaging.decorators.base module

Classes for managing a collection of decorators.

class aries_cloudagent.messaging.decorators.base.BaseDecoratorSet(models: dict = None)

Bases: collections.OrderedDict

Collection of decorators.

add_model(key: str, model: Type[aries_cloudagent.messaging.models.base.BaseModel])

Add a registered decorator model.

copy() → aries_cloudagent.messaging.decorators.base.BaseDecoratorSet

Return a copy of the decorator set.

extract_decorators(message: Mapping, schema: Type[<sphinx.ext.autodoc.importer._MockObject object at 0x7f2100f2f7f0>] = None, serialized: bool = True, skip_attrs: Sequence[str] = None) → collections.OrderedDict

Extract decorators and return the remaining properties.

field(name: str) → aries_cloudagent.messaging.decorators.base.BaseDecoratorSet

Access a named decorated field.

fields

Acessor for the set of currently defined fields.

has_field(name: str) → bool

Check for the existence of a named decorator field.

load_decorator(key: str, value, serialized=False)

Convert a decorator value to its loaded representation.

models

Accessor for the models dictionary.

prefix

Accessor for the decorator prefix.

remove_field(name: str)

Remove a named decorated field.

remove_model(key: str)

Remove a registered decorator model.

to_dict(prefix: str = None) → collections.OrderedDict

Convert to a dictionary (serialize).

Raises:BaseModelError – on decorator validation errors

exception aries_cloudagent.messaging.decorators.base.DecoratorError(*args, error_code: str = None, **kwargs)

Bases: aries_cloudagent.core.error.BaseError

Base error for decorator issues.

aries_cloudagent.messaging.decorators.default module

Default decorator set implementation.

class aries_cloudagent.messaging.decorators.default.DecoratorSet(models: dict = None)

Bases: aries_cloudagent.messaging.decorators.base.BaseDecoratorSet

Default decorator set implementation.

aries_cloudagent.messaging.decorators.localization_decorator module

The localization decorator (~l10n) for message localization information.

class aries_cloudagent.messaging.decorators.localization_decorator.LocalizationDecorator(*, locale: str = None, localizable: Sequence[str] = None, catalogs: Sequence[str] = None)

Bases: aries_cloudagent.messaging.models.base.BaseModel

Class representing the localization decorator.

class Meta

Bases: object

LocalizationDecorator metadata.

schema_class = 'LocalizationDecoratorSchema'

class aries_cloudagent.messaging.decorators.localization_decorator.LocalizationDecoratorSchema(*args, **kwargs)

Bases: aries_cloudagent.messaging.models.base.BaseModelSchema

Localization decorator schema used in serialization/deserialization.

class Meta

Bases: object

LocalizationDecoratorSchema metadata.

model_class

alias of LocalizationDecorator

unknown

Used by autodoc_mock_imports.

catalogs

Used by autodoc_mock_imports.

locale

Used by autodoc_mock_imports.

localizable

Used by autodoc_mock_imports.

aries_cloudagent.messaging.decorators.please_ack_decorator module

The please-ack decorator to request acknowledgement.

class aries_cloudagent.messaging.decorators.please_ack_decorator.PleaseAckDecorator(message_id: str = None, on: Sequence[str] = None)

Bases: aries_cloudagent.messaging.models.base.BaseModel

Class representing the please-ack decorator.

class Meta

Bases: object

PleaseAckDecorator metadata.

schema_class = 'PleaseAckDecoratorSchema'

class aries_cloudagent.messaging.decorators.please_ack_decorator.PleaseAckDecoratorSchema(*args, **kwargs)

Bases: aries_cloudagent.messaging.models.base.BaseModelSchema

PleaseAck decorator schema used in serialization/deserialization.

class Meta

Bases: object

PleaseAckDecoratorSchema metadata.

model_class

alias of PleaseAckDecorator

unknown

Used by autodoc_mock_imports.

message_id

Used by autodoc_mock_imports.

on

Used by autodoc_mock_imports.

aries_cloudagent.messaging.decorators.service_decorator module

A message decorator for services.

A service decorator adds routing information to a message so agent can respond without needing to perform a handshake.

class aries_cloudagent.messaging.decorators.service_decorator.ServiceDecorator(*, endpoint: str, recipient_keys: List[str], routing_keys: Optional[List[str]] = None)

Bases: aries_cloudagent.messaging.models.base.BaseModel

Class representing service decorator.

class Meta

Bases: object

ServiceDecorator metadata.

schema_class = 'ServiceDecoratorSchema'

endpoint

Accessor for service endpoint.

Returns:This service’s serviceEndpoint

recipient_keys

Accessor for recipient keys.

Returns:This service’s recipientKeys

routing_keys

Accessor for routing keys.

Returns:This service’s routingKeys

class aries_cloudagent.messaging.decorators.service_decorator.ServiceDecoratorSchema(*args, **kwargs)

Bases: aries_cloudagent.messaging.models.base.BaseModelSchema

Thread decorator schema used in serialization/deserialization.

class Meta

Bases: object

ServiceDecoratorSchema metadata.

model_class

alias of ServiceDecorator

unknown

Used by autodoc_mock_imports.

endpoint

Used by autodoc_mock_imports.

recipient_keys

Used by autodoc_mock_imports.

routing_keys

Used by autodoc_mock_imports.

aries_cloudagent.messaging.decorators.signature_decorator module

Model and schema for working with field signatures within message bodies.

class aries_cloudagent.messaging.decorators.signature_decorator.SignatureDecorator(*, signature_type: str = None, signature: str = None, sig_data: str = None, signer: str = None)

Bases: aries_cloudagent.messaging.models.base.BaseModel

Class representing a field value signed by a known verkey.

class Meta

Bases: object

SignatureDecorator metadata.

schema_class = 'SignatureDecoratorSchema'

TYPE_ED25519SHA512 = 'signature/1.0/ed25519Sha512_single'

classmethod create(value, signer: str, wallet: aries_cloudagent.wallet.base.BaseWallet, timestamp=None) → aries_cloudagent.messaging.decorators.signature_decorator.SignatureDecorator

Create a Signature.

Sign a field value and return a newly constructed SignatureDecorator representing the resulting signature.

Parameters:

• value – Value to sign
• signer – Verkey of the signing party
• wallet – The wallet to use for the signature

Returns:

The created SignatureDecorator object

decode() -> (<class 'object'>, <class 'int'>)

Decode the signature to its timestamp and value.

Returns:A tuple of (decoded message, timestamp)

verify(wallet: aries_cloudagent.wallet.base.BaseWallet) → bool

Verify the signature against the signer’s public key.

Parameters:wallet – Wallet to use to verify signature Returns:True if verification succeeds else False

class aries_cloudagent.messaging.decorators.signature_decorator.SignatureDecoratorSchema(*args, **kwargs)

Bases: aries_cloudagent.messaging.models.base.BaseModelSchema

SignatureDecorator schema.

class Meta

Bases: object

SignatureDecoratorSchema metadata.

model_class

alias of SignatureDecorator

unknown

Used by autodoc_mock_imports.

sig_data

Used by autodoc_mock_imports.

signature

Used by autodoc_mock_imports.

signature_type

Used by autodoc_mock_imports.

signer

Used by autodoc_mock_imports.

aries_cloudagent.messaging.decorators.thread_decorator module

A message decorator for threads.

A thread decorator identifies a message that may require additional context from previous messages.

class aries_cloudagent.messaging.decorators.thread_decorator.ThreadDecorator(*, thid: str = None, pthid: str = None, sender_order: int = None, received_orders: Mapping = None)

Bases: aries_cloudagent.messaging.models.base.BaseModel

Class representing thread decorator.

class Meta

Bases: object

ThreadDecorator metadata.

schema_class = 'ThreadDecoratorSchema'

pthid

Accessor for parent thread identifier.

Returns:This thread’s pthid

received_orders

Get received orders.

Returns:The highest sender_order value that the sender has seen from other sender(s) on the thread.

sender_order

Get sender order.

Returns:A number that tells where this message fits in the sequence of all messages that the current sender has contributed to this thread

thid

Accessor for thread identifier.

Returns:This thread’s thid

class aries_cloudagent.messaging.decorators.thread_decorator.ThreadDecoratorSchema(*args, **kwargs)

Bases: aries_cloudagent.messaging.models.base.BaseModelSchema

Thread decorator schema used in serialization/deserialization.

class Meta

Bases: object

ThreadDecoratorSchema metadata.

model_class

alias of ThreadDecorator

unknown

Used by autodoc_mock_imports.

pthid

Used by autodoc_mock_imports.

received_orders

Used by autodoc_mock_imports.

sender_order

Used by autodoc_mock_imports.

thid

Used by autodoc_mock_imports.

aries_cloudagent.messaging.decorators.timing_decorator module

The timing decorator (~timing).

This decorator allows the timing of agent messages to be communicated and constrained.

class aries_cloudagent.messaging.decorators.timing_decorator.TimingDecorator(*, in_time: Union[str, datetime.datetime] = None, out_time: Union[str, datetime.datetime] = None, stale_time: Union[str, datetime.datetime] = None, expires_time: Union[str, datetime.datetime] = None, delay_milli: int = None, wait_until_time: Union[str, datetime.datetime] = None)

Bases: aries_cloudagent.messaging.models.base.BaseModel

Class representing the timing decorator.

class Meta

Bases: object

TimingDecorator metadata.

schema_class = 'TimingDecoratorSchema'

class aries_cloudagent.messaging.decorators.timing_decorator.TimingDecoratorSchema(*args, **kwargs)

Bases: aries_cloudagent.messaging.models.base.BaseModelSchema

Timing decorator schema used in serialization/deserialization.

class Meta

Bases: object

TimingDecoratorSchema metadata.

model_class

alias of TimingDecorator

unknown

Used by autodoc_mock_imports.

delay_milli

Used by autodoc_mock_imports.

expires_time

Used by autodoc_mock_imports.

in_time

Used by autodoc_mock_imports.

out_time

Used by autodoc_mock_imports.

stale_time

Used by autodoc_mock_imports.

wait_until_time

Used by autodoc_mock_imports.

aries_cloudagent.messaging.decorators.trace_decorator module

A message decorator for trace events.

A trace decorator identifies a responsibility on the processor to record information on message processing events.

class aries_cloudagent.messaging.decorators.trace_decorator.TraceDecorator(*, target: str = None, full_thread: bool = True, trace_reports: Sequence = None)

Bases: aries_cloudagent.messaging.models.base.BaseModel

Class representing trace decorator.

class Meta

Bases: object

TraceDecorator metadata.

schema_class = 'TraceDecoratorSchema'

append_trace_report(trace_report: aries_cloudagent.messaging.decorators.trace_decorator.TraceReport)

Append a trace report to this decorator.

full_thread

Accessor for full_thread flag.

Returns:The full_thread flag

target

Accessor for trace target.

Returns:The target for tracing messages

trace_reports

Set of trace reports for this message.

Returns:The trace reports that have been logged on this message/thread so far. (Only for target=”message”.)

class aries_cloudagent.messaging.decorators.trace_decorator.TraceDecoratorSchema(*args, **kwargs)

Bases: aries_cloudagent.messaging.models.base.BaseModelSchema

Trace decorator schema used in serialization/deserialization.

class Meta

Bases: object

TraceDecoratorSchema metadata.

model_class

alias of TraceDecorator

unknown

Used by autodoc_mock_imports.

full_thread

Used by autodoc_mock_imports.

target

Used by autodoc_mock_imports.

trace_reports

Used by autodoc_mock_imports.

class aries_cloudagent.messaging.decorators.trace_decorator.TraceReport(*, msg_id: str = None, thread_id: str = None, traced_type: str = None, timestamp: str = None, str_time: str = None, handler: str = None, ellapsed_milli: int = None, outcome: str = None)

Bases: aries_cloudagent.messaging.models.base.BaseModel

Class representing a Trace Report.

class Meta

Bases: object

TraceReport metadata.

schema_class = 'TraceReport'

ellapsed_milli

Accessor for ellapsed_milli.

Returns:The sender ellapsed_milli

handler

Accessor for handler.

Returns:The sender handler

msg_id

Accessor for msg_id.

Returns:The msg_id

outcome

Accessor for outcome.

Returns:The sender outcome

str_time

Accessor for str_time.

Returns:Formatted representation of the sender timestamp

thread_id

Accessor for thread_id.

Returns:The thread_id

timestamp

Accessor for timestamp.

Returns:The sender timestamp

traced_type

Accessor for traced_type.

Returns:The sender traced_type

class aries_cloudagent.messaging.decorators.trace_decorator.TraceReportSchema(*args, **kwargs)

Bases: aries_cloudagent.messaging.models.base.BaseModelSchema

Trace report schema.

class Meta

Bases: object

TraceReportSchema metadata.

model_class

alias of TraceReport

unknown

Used by autodoc_mock_imports.

ellapsed_milli

Used by autodoc_mock_imports.

handler

Used by autodoc_mock_imports.

msg_id

Used by autodoc_mock_imports.

outcome

Used by autodoc_mock_imports.

str_time

Used by autodoc_mock_imports.

thread_id

Used by autodoc_mock_imports.

timestamp

Used by autodoc_mock_imports.

traced_type

Used by autodoc_mock_imports.

aries_cloudagent.messaging.decorators.transport_decorator module

The transport decorator (~transport).

This decorator allows changes to agent response behaviour and queue status updates.

class aries_cloudagent.messaging.decorators.transport_decorator.TransportDecorator(*, return_route: str = None, return_route_thread: str = None, queued_message_count: int = None)

Bases: aries_cloudagent.messaging.models.base.BaseModel

Class representing the transport decorator.

class Meta

Bases: object

TransportDecorator metadata.

schema_class = 'TransportDecoratorSchema'

class aries_cloudagent.messaging.decorators.transport_decorator.TransportDecoratorSchema(*args, **kwargs)

Bases: aries_cloudagent.messaging.models.base.BaseModelSchema

Transport decorator schema used in serialization/deserialization.

class Meta

Bases: object

TransportDecoratorSchema metadata.

model_class

alias of TransportDecorator

unknown

Used by autodoc_mock_imports.

queued_message_count

Used by autodoc_mock_imports.

return_route

Used by autodoc_mock_imports.

return_route_thread

Used by autodoc_mock_imports.