elixir_python.livemd

Elixir+Python

Mix.install([
  {:poison, "~> 3.1"}
])

Section

channel_url = "https://www.youtube.com/@DataIndependent"

defmodule YTOrg.Python.ScrapeTube do
  def get_channel_videos(channel_url) do
    script_path = __DIR__ |> Path.join("python_scripts")
    script_result = :os.cmd(:"cd #{script_path}; poetry run python yt.py #{channel_url}")
    script_result |> Poison.decode()
  end
end

alias YTOrg.Python

{:ok, scraped_vids} = Python.ScrapeTube.get_channel_videos(channel_url)
[vid | _] = scraped_vids

vid |> Map.keys()

vid["title"]

defmodule PythonHelper do
  defstruct [:python_pid]

  def new(python_path \\ "/usr/bin/python") do
    {:ok, python_pid} = :python.start()
    %__MODULE__{python_pid: python_pid}
  end

  def call(python_helper, module, function, args \\ []) do
    :python.call(python_helper.python_pid, module, function, args)
  end
end

python_helper = PythonHelper.new()

python_helper |> PythonHelper.call(:sys, :eval, ["2 + 2"])

python_code = '2 + 2'
{:ok, result} = :python.call(python_helper.python_pid, :erlport.erlterms(), :eval, [python_code])

channel_url = "https://www.youtube.com/@DataIndependent"

defmodule MyProject.ElixirPython do
  def get_channel_videos(channel_url, n_videos \\ 10) do
    {:ok, python} = :python.start()

    :python.cast(python, {:add_path, 'python_scripts'})
    :python.cast(python, {:yt, 'import yt'})

    {:ok, result} = :python.call(python, :yt, :get_videos, [channel_url, n_videos])
    result
  end
end

MyProject.ElixirPython.get_channel_videos(channel_url)

defmodule MyApp.Python do
  @python_script """
  def add(a, b):
     return a + b
  """

  def add(a, b) do
    {:ok, python} = :python.start([{:python_path, '/path/to/your/python'}])
    {:ok, python_script} = :python.call(python, :optimize, :optimize, [@python_script])
    result = :python.call(python, 'add', [a, b])
    :python.stop(python)
    result
  end
end