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snakebridge

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Compile-time generator for type-safe Elixir bindings to Python libraries

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snakebridge lib snakebridge python_packages_runner.ex
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lib/snakebridge/python_packages_runner.ex 

defmodule SnakeBridge.PythonPackagesRunner do

  @moduledoc false



  @behaviour Snakepit.PythonPackages.Runner



  @impl true

  @doc false

  def cmd(command, args, opts) do

    {timeout, opts} = Keyword.pop(opts, :timeout)



    run = fn -> System.cmd(command, args, opts) end



    if is_integer(timeout) do

      task = Task.async(run)



      case Task.yield(task, timeout) || Task.shutdown(task, :brutal_kill) do

        {:ok, result} -> result

        nil -> {"Command timed out after #{timeout}ms", 124}

      end

    else

      run.()

    end

  rescue

    error in ErlangError ->

      {Exception.message(error), 127}

  end

end