Module: Transformers::Pipelines

Defined in:
lib/transformers/pipelines/base.rb

Class Method Summary collapse

Class Method Details

.get_default_model_and_revision(targeted_task, framework, task_options) ⇒ Object 



17
18
19
20
21
22
23
24
25
26
27
28
29
 
# File 'lib/transformers/pipelines/base.rb', line 17

def self.get_default_model_and_revision(targeted_task, framework, task_options)
  defaults = targeted_task["default"]

  if defaults.key?("model")
    default_models = targeted_task["default"]["model"]
  end

  if framework.nil?
    framework = "pt"
  end

  default_models[framework]
end

.infer_framework_load_model(model, config, model_classes: nil, task: nil, framework: nil, **model_kwargs) ⇒ Object 



31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
 
# File 'lib/transformers/pipelines/base.rb', line 31

def self.infer_framework_load_model(
  model,
  config,
  model_classes: nil,
  task: nil,
  framework: nil,
  **model_kwargs
)
  if model.is_a?(String)
    model_kwargs[:_from_pipeline] = task
    class_tuple = []
    look_pt = true

    if model_classes
      if look_pt
        class_tuple = class_tuple + model_classes.fetch("pt", AutoModel)
      end
    end
    if config.architectures
      classes = []
      config.architectures.each do |architecture|
        if look_pt
          _class = Transformers.const_get(architecture)
          if !_class.nil?
            classes << _class
          end
        end
      end
      class_tuple = class_tuple + classes
    end

    if class_tuple.length == 0
      raise ArgumentError, "Pipeline cannot infer suitable model classes from #{model}"
    end

    class_tuple.each do |model_class|
      raise Error, "Invalid auto model class: #{model_class}" unless model_class < BaseAutoModelClass
      kwargs = model_kwargs.dup

      begin
        model = model_class.from_pretrained(model, **kwargs)
        if model.respond_to?(:eval)
          model = model.eval
        end
        break
      rescue
        # TODO
        raise
      end
    end
  end

  if framework.nil?
    framework = Utils.infer_framework(model.class)
  end
  [framework, model]
end