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Automate code & data workflows with interactive notebooks
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lib/livebook/apps/path_app_spec.ex
defmodule Livebook.Apps.PathAppSpec do
# App spec pointing to an app notebook in the local file system.
#
# Note that the struct holds the path, rather than the notebook and
# files source. The app spec may be sent across nodes and processes,
# so this way we do less copying.
@enforce_keys [:slug, :path]
defstruct [:slug, :path, :password, should_warmup: true, version: "1"]
end
defimpl Livebook.Apps.AppSpec, for: Livebook.Apps.PathAppSpec do
def load(app_spec, files_tmp_path) do
case File.read(app_spec.path) do
{:ok, source} ->
{notebook, %{warnings: warnings}} = Livebook.LiveMarkdown.notebook_from_livemd(source)
notebook = put_in(notebook.app_settings.password, app_spec.password)
notebook_file = Livebook.FileSystem.File.local(app_spec.path)
files_dir = Livebook.Session.files_dir_for_notebook(notebook_file)
warnings = Enum.map(warnings, &("Import: " <> &1))
files_tmp_dir =
files_tmp_path
|> Livebook.FileSystem.Utils.ensure_dir_path()
|> Livebook.FileSystem.File.local()
with :ok <- Livebook.Notebook.copy_files(notebook, files_dir, files_tmp_dir) do
{:ok, %{notebook: notebook, warnings: warnings}}
end
{:error, reason} ->
{:error,
"failed to read app notebook file at #{app_spec.path}, reason: #{:file.format_error(reason)}"}
end
end
def should_warmup?(app_spec) do
app_spec.should_warmup
end
end