IO.gets("PID: #{:os.getpid()} Press enter...")

Mix.install([
  {:pythonx, path: "~/git/pythonx"},
])

Pythonx.uv_init("""
[project]
name = "project"
version = "0.0.0"
requires-python = "==3.13.*"
dependencies = [
  "matplotlib"
]
""")

globals = %{}

# Start a long-running evaluation that releases the GIL, it likely
# runs on the first dirty scheduler thread. This way we can start
# another evaluation and it will run on another dirty scheduler
# thread.
spawn(fn ->
  {_, _globals} =
    Pythonx.eval(
      """
      import time
      time.sleep(20)
      """,
      %{}
    )
end)

Process.sleep(100)

{_, globals} =
  Pythonx.eval(
    """
    import matplotlib
    matplotlib.use("Agg")

    import matplotlib.pyplot as plt
    plt.plot([1, 2], [1, 2])
    """,
    globals
  )

{_, _globals} =
  Pythonx.eval(
    """
    import io
    buffer = io.BytesIO()
    plt.gcf().savefig(buffer, format="png", bbox_inches="tight")
    """,
    globals
  )