def from_pb(cls, face):
"""Factory: construct image properties from image.
:type face: :class:`~google.cloud.vision_v1.proto.image_annotator_pb2.\
FaceAnnotation`
:param face: Protobuf instace of `Face`.
:rtype: :class:`~google.cloud.vision.face.FaceImageProperties`
:returns: Instance populated with image property data.
"""
blurred = _get_pb_likelihood(face.blurred_likelihood)
underexposed = _get_pb_likelihood(face.under_exposed_likelihood)
return cls(blurred, underexposed)
def from_pb(cls, emotions):
"""Factory: construct ``Emotions`` from Vision API response.
:type emotions: :class:`~google.cloud.vision_v1.proto.\
image_annotator_pb2.FaceAnnotation`
:param emotions: Response dictionary representing a face with emotions.
:rtype: :class:`~google.cloud.vision.face.Emotions`
:returns: Populated instance of ``Emotions``.
"""
joy_likelihood = _get_pb_likelihood(emotions.joy_likelihood)
sorrow_likelihood = _get_pb_likelihood(emotions.sorrow_likelihood)
surprise_likelihood = _get_pb_likelihood(emotions.surprise_likelihood)
anger_likelihood = _get_pb_likelihood(emotions.anger_likelihood)
return cls(joy_likelihood, sorrow_likelihood, surprise_likelihood,
anger_likelihood)
def from_pb(cls, face):
"""Factory: construct an instance of a Face from an protobuf response
:type face: :class:`~google.cloud.vision_v1.proto.\
image_annotator_pb2.AnnotateImageResponse`
:param face: ``AnnotateImageResponse`` from gRPC call.
:rtype: :class:`~google.cloud.vision.face.Face`
:returns: A instance of `Face` with data parsed from ``response``.
"""
face_data = {
'angles': Angles.from_pb(face),
'bounds': Bounds.from_pb(face.bounding_poly),
'detection_confidence': face.detection_confidence,
'emotions': Emotions.from_pb(face),
'fd_bounds': FDBounds.from_pb(face.fd_bounding_poly),
'headwear_likelihood': _get_pb_likelihood(
face.headwear_likelihood),
'image_properties': FaceImageProperties.from_pb(face),
'landmarks': Landmarks.from_pb(face.landmarks),
'landmarking_confidence': face.landmarking_confidence,
}
return cls(**face_data)