From 2a50b9c58157376a3729e5cb514be5d41fe43fd4 Mon Sep 17 00:00:00 2001
From: Nguyen Anh Tuan <nguyenanhtuan19122002@gmail.com>
Date: Sun, 18 Aug 2024 16:30:46 +0700
Subject: [PATCH] Update scripts, PyProcess.js

---
 backend/install.sh                      | 2 ++
 backend/nodejs/scripts/start.sh         | 2 ++
 backend/nodejs/src/classes/PyProcess.js | 7 +++++--
 backend/python/scripts/install.sh       | 7 ++++++-
 4 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/backend/install.sh b/backend/install.sh
index 4fa064e..5eb9fd2 100644
--- a/backend/install.sh
+++ b/backend/install.sh
@@ -23,8 +23,10 @@ infoln "Done!"
 cd /home/backend
 
 # Create `temp` and `uploads` folders
+infoln "Create \`temp\` and \`uploads\` folders..."
 mkdir temp
 mkdir uploads
+infoln "Done!"
 
 # Start server
 infoln "Booting server..."
diff --git a/backend/nodejs/scripts/start.sh b/backend/nodejs/scripts/start.sh
index 35a71e4..b4124d1 100644
--- a/backend/nodejs/scripts/start.sh
+++ b/backend/nodejs/scripts/start.sh
@@ -8,6 +8,8 @@ export NVM_DIR="$HOME/.nvm"
 # Change directory to `nodejs`
 cd /home/backend/nodejs
 
+export PYTHON_PATH="/home/backend/python/venv/bin/python"
+
 # Start NodeJS Server
 npm start
 
diff --git a/backend/nodejs/src/classes/PyProcess.js b/backend/nodejs/src/classes/PyProcess.js
index f4d8841..cdafd68 100644
--- a/backend/nodejs/src/classes/PyProcess.js
+++ b/backend/nodejs/src/classes/PyProcess.js
@@ -16,7 +16,9 @@ export class PyProcess {
     DatatableImageToText: root + "/python/datatable_image_to_text.py",
   };
 
-  constructor() {}
+  constructor() {
+    this.pythonPath = process.env.PYTHON_PATH || "python3";
+  }
 
   /**
    * Dùng phương thức này để tạo ra một python executer.
@@ -26,10 +28,11 @@ export class PyProcess {
    */
   exec(script, ...args) {
     // Use python3 (Linux)
-    const py_process = spawn("python3", [
+    const py_process = spawn(this.pythonPath, [
       PyProcess.ScriptPaths[script],
       ...args,
     ]);
+
     try {
       return new Promise(function (res, rej) {
         py_process.stdout.on("data", (data) => {
diff --git a/backend/python/scripts/install.sh b/backend/python/scripts/install.sh
index df105e9..8b6a188 100644
--- a/backend/python/scripts/install.sh
+++ b/backend/python/scripts/install.sh
@@ -15,9 +15,14 @@ printf "Python has been just installed: $(python3 --version)"
 apt install python3-pip
 printf "PIP has just been installed: $(node -v)"
 
-# Change directory to `backend`
+# Change directory to `/home/backend/python`
 cd /home/backend/python
 
+## Install virtualenv and create virtual environment
+pip3 install virtualenv
+virtualenv venv
+source venv/bin/activate
+
 ## Install packages in `requirements.txt`
 pip3 install -r requirements.txt