From 6b6bb902b68e00631e0b6c3979187ce2c2122fbf Mon Sep 17 00:00:00 2001
From: saundersp <pierre.saundersgb@gmail.com>
Date: Tue, 22 Aug 2023 09:43:49 +0200
Subject: [PATCH] Added files

---
 .gitattributes |  3 ++
 helper.sh      | 93 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 96 insertions(+)
 create mode 100644 .gitattributes
 create mode 100644 helper.sh

diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..ed670ec
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,3 @@
+# Set line endings to LF, even on Windows. Otherwise, execution within Docker fails.
+# See https://help.github.com/articles/dealing-with-line-endings/
+*.sh text eol=lf
diff --git a/helper.sh b/helper.sh
new file mode 100644
index 0000000..9d7d76c
--- /dev/null
+++ b/helper.sh
@@ -0,0 +1,93 @@
+#!/usr/bin/env bash
+
+USAGE="Jupyterlab portable helper
+Implemented by Pierre Saunders, 2023
+
+USAGE: $0 FLAG
+Available flags:
+	i, -i, install, --install		Install Jupyterlab locally to the script.
+	k, -k, kernel, --kernel			Install the R kernel extension to jupyter
+	u, -u, update, --update			Update every python packages of the local virtual environnement.
+	U, -U, uninstall, --uninstall		Uninstall Jupyterlab locally to the script.
+	l, -l, launch, --launch			Launch Jupyterlab locally to the script (Require installation beforehand).
+	t, -t, tensorboard, --tensorboard	Launch Tensorboard locally to the script (Require installation beforehand).
+	h, -h, help, --help			Which display this help message."
+
+VENV_PATH=./venv
+JUPYTER_ROOT_PATH=./jupyter
+TENSORBOARD_LOG_DIR=./logs
+export R_LIBS_SITE=./libs
+export JUPYTER_ALLOW_INSECURE_WRITES=0
+export JUPYTERLAB_SETTINGS_DIR="$JUPYTER_ROOT_PATH"/settings
+export JUPYTERLAB_WORKSPACES_DIR="$JUPYTER_ROOT_PATH"/workspace
+export JUPYTER_CONFIG_DIR="$JUPYTER_ROOT_PATH"/config
+export JUPYTER_RUNTIME_DIR="$JUPYTER_ROOT_PATH"/runtime
+export JUPYTER_DATA_DIR="$JUPYTER_ROOT_PATH"/data
+
+enable_venv(){
+	test ! -d "$VENV_PATH" && echo 'Python virtual envrionnement not installed' && exit 1
+
+	case "$1" in
+		--windows|-W)	ENV_PATH="$VENV_PATH"/Scripts/activate ;;
+		'')		ENV_PATH="$VENV_PATH"/bin/activate ;;
+		*)		echo 'Invalid selected OS' && exit 1 ;;
+	esac
+
+	test ! -f "$ENV_PATH" && echo 'Installation is corrupted, please reinstall' && exit 1
+	. "$ENV_PATH"
+}
+
+case "$1" in
+	i|-i|install|--install)
+		python -m venv "$VENV_PATH"
+		mkdir -p "$JUPYTER_ROOT_PATH"/{settings,workspace,config,runtime,data} "$JUPYTERLAB_SETTINGS_DIR"/@jupyterlab/notebook-extension
+		echo '{ "maxNumberOutputs": 0 }' > "$JUPYTERLAB_SETTINGS_DIR"/@jupyterlab/notebook-extension/tracker.jupyterlab-settings
+		enable_venv "$2"
+		python -m pip install --timeout 60 --retries 9999999999999999 -U pip setuptools
+		pip install --timeout 60 --retries 9999999999999999 -r requirements.txt
+	;;
+
+	k|-k|kernel|--kernel)
+		enable_venv "$2"
+		mkdir -p "$R_LIBS_SITE"
+		Rscript -e 'install.packages("IRkernel",repos="http://cran.us.r-project.org");library(IRkernel);IRkernel::installspec()'
+	;;
+
+	c|-c|check|--check)
+		enable_venv "$2"
+		pip check
+	;;
+
+	u|-u|update|--update)
+		enable_venv "$2"
+		python -m pip install -U pip
+		pip freeze | xargs -n1 pip install -U
+	;;
+
+	U|-U|uninstall|--uninstall)
+		rm -rf "$VENV_PATH" "$JUPYTER_ROOT_PATH" "$R_LIBS_SITE"
+	;;
+
+	l|-l|launch|--launch)
+		enable_venv "$2"
+		if command -v jupyter >> /dev/null; then
+			exec jupyter lab
+		else
+			echo "Jupyter lab isn't installed"
+			exit 1
+		fi
+	;;
+
+	t|-t|tensorboard|--tensorboard)
+		enable_venv "$2"
+		if command -v tensorboard >> /dev/null; then
+			tensorboard --logdir="$TENSORBOARD_LOG_DIR"
+		else
+			echo "Tensorboard isn't installed"
+			exit 1
+		fi
+	;;
+
+	h|-h|help|--help) echo "$USAGE" ;;
+	*)		  echo "$USAGE" && exit 1 ;;
+esac