Packages
livebook
0.14.0-rc.1
0.19.8
0.19.7
0.19.6
0.19.5
0.19.4
0.19.3
0.19.2
0.19.1
0.19.0
0.18.6
0.18.5
0.18.4
0.18.3
0.18.2
0.18.1
0.18.0
0.17.3
0.17.2
0.17.1
0.17.0
0.16.4
0.16.3
0.16.2
0.16.1
0.16.0
0.15.5
0.15.4
0.15.3
0.15.2
0.15.1
0.15.0
0.14.7
0.14.6
0.14.5
0.14.4
0.14.3
0.14.2
0.14.1
0.14.0
0.14.0-rc.1
0.14.0-rc.0
0.13.3
0.13.2
0.13.1
0.13.0
0.12.1
0.12.0
0.11.4
0.11.3
0.11.2
0.11.1
0.11.0
0.10.0
0.9.3
0.9.2
0.9.1
0.9.0
0.8.2
0.8.1
0.8.0
0.7.2
0.7.1
0.7.0
0.6.3
0.6.2
0.6.1
0.6.0
0.5.2
0.5.1
0.5.0
0.4.1
0.4.0
0.3.2
0.3.1
0.3.0
0.2.3
0.2.2
0.2.1
0.2.0
0.1.2
0.1.1
0.1.0
Automate code & data workflows with interactive notebooks
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Files
lib/livebook_cli.ex
defmodule LivebookCLI do
def usage() do
"""
Usage: livebook [command] [options]
Available commands:
livebook server Starts the Livebook web application
The --help and --version options can be given instead of a command for usage and versioning information.
"""
end
def main(args) do
{:ok, _} = Application.ensure_all_started(:elixir)
:ok = Application.load(:livebook)
if unix?() do
Application.put_env(:elixir, :ansi_enabled, true)
end
call(args)
end
defp unix?(), do: match?({:unix, _}, :os.type())
defp call([arg]) when arg in ["--help", "-h"], do: display_help()
defp call([arg]) when arg in ["--version", "-v"], do: display_version()
defp call([task_name | args]) do
case find_task(task_name) do
nil ->
IO.ANSI.format([:red, "Unknown command #{task_name}\n"]) |> IO.puts()
IO.write(usage())
task ->
call_task(task, args)
end
end
defp call(_args), do: IO.write(usage())
defp find_task("server"), do: LivebookCLI.Server
defp find_task(_), do: nil
defp call_task(task, [arg]) when arg in ["--help", "-h"] do
IO.write(task.usage())
end
defp call_task(task, args) do
try do
task.call(args)
rescue
error in OptionParser.ParseError ->
IO.ANSI.format([
:red,
Exception.message(error),
"\n\nFor more information try --help"
])
|> IO.puts()
error ->
IO.ANSI.format([:red, Exception.format(:error, error, __STACKTRACE__), "\n"]) |> IO.puts()
end
end
defp display_help() do
IO.puts("Livebook is an interactive notebook system for Elixir\n")
IO.write(usage())
end
defp display_version() do
IO.puts(:erlang.system_info(:system_version))
IO.puts("Elixir " <> System.build_info()[:build])
version = Livebook.Config.app_version()
IO.puts("\nLivebook #{version}")
end
end