Module: Cohere::Transcribe::Input

Defined in:
lib/cohere/transcribe/input.rb

Class Method Summary collapse

Class Method Details

.expand(audio, recursive: true) ⇒ Object

Raises:



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# File 'lib/cohere/transcribe/input.rb', line 48

def expand(audio, recursive: true)
  inputs = normalize(audio)
  seen = {}
  entries = inputs.flat_map do |raw|
    source = strict_realpath(raw)
    candidates = if source.file?
                   [[source, Pathname(source.basename.to_s)]]
                 elsif source.directory?
                   directory_candidates(source, recursive)
                 else
                   raise TranscriptionInputError, "Input is not a regular file or directory: #{source}"
                 end
    candidates.filter_map do |path, relative_path|
      canonical = strict_realpath(path)
      next if seen.key?(canonical.to_s)

      seen[canonical.to_s] = true
      InputEntry.new(path: canonical.freeze, relative_path: relative_path.freeze)
    end
  end
  raise TranscriptionInputError, "No audio files found in the supplied inputs." if entries.empty?

  entries.freeze
end

.normalize(audio) ⇒ Object 



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# File 'lib/cohere/transcribe/input.rb', line 16

def normalize(audio)
  sequence = audio.to_ary if !path_like?(audio) && audio.respond_to?(:to_ary)
  values = if path_like?(audio)
             [audio]
           elsif sequence.is_a?(Array)
             raise TranscriptionInputError, "audio must contain at least one path" if sequence.empty?

             sequence
           else
             raise TranscriptionInputError, "audio must be one path or an ordered sequence of paths"
           end

  values.each_with_index.map do |value, index|
    label = values.length == 1 && path_like?(audio) ? "audio" : "audio[#{index}]"
    raise TranscriptionInputError, "#{label} must be a string or path-like object" unless path_like?(value)

    text = value.is_a?(String) ? value : value.to_path
    raise TranscriptionInputError, "#{label} must resolve to a text path" unless text.is_a?(String)
    raise TranscriptionInputError, "#{label} must not be empty" if PythonText.blank?(text)

    text.dup.freeze
  rescue TypeError, ArgumentError, SystemCallError => e
    raise e if e.is_a?(TranscriptionInputError)

    raise TranscriptionInputError, "#{label} is not a valid text path: #{e.message}"
  end.freeze
rescue TypeError, ArgumentError, SystemCallError => e
  raise e if e.is_a?(TranscriptionInputError)

  raise TranscriptionInputError, "audio is not a valid ordered path sequence: #{e.message}"
end