improve setup-env.sh script

Author: richlamdev

setup-env.sh

@@ -2,49 +2,56 @@
 
 # Check if Python3 is installed
 if ! command -v python3 &> /dev/null; then
-  echo "Error: Python3 is not installed."
+    echo "Error: Python3 is not installed."
+    exit 1
 fi
 
 # Check if .venv folder exists, create if missing
 if [ ! -d ".venv" ]; then
-  echo ".venv folder not found. Creating a new virtual environment..."
-  python3 -m venv .venv
+    echo ".venv folder not found. Creating a new virtual environment..."
+    python3 -m venv .venv
 
-  if [ $? -ne 0 ]; then
-    echo "Failed to create a virtual environment."
-  fi
+    if [ $? -ne 0 ]; then
+        echo "Error: Failed to create a virtual environment."
+        exit 1
+    fi
 
-  echo ".venv created successfully."
+    echo ".venv created successfully."
 fi
 
 # Activate the virtual environment (cross-platform support)
 echo "Activating the virtual environment..."
 if [[ "$OSTYPE" == "msys" || "$OSTYPE" == "win32" ]]; then
-  source .venv/Scripts/activate
+    source .venv/Scripts/activate
 else
-  source .venv/bin/activate
+    source .venv/bin/activate
 fi
 
 # Check if activation was successful
 if [ "$VIRTUAL_ENV" != "" ]; then
-  echo "Virtual environment activated: $VIRTUAL_ENV"
+    echo "Virtual environment activated: $VIRTUAL_ENV"
 else
-  echo "Failed to activate the virtual environment."
+    echo "Error: Failed to activate the virtual environment."
+    exit 1
 fi
 
 # Check if requirements.txt exists and install dependencies
 if [ ! -f "requirements.txt" ]; then
-  echo "Error: requirements.txt file not found in the current directory."
-  deactivate # Clean up before exiting.
+    echo "Error: requirements.txt file not found or not available in the current directory."
+    echo "Please ensure that requirements.txt exists and is readable."
+    deactivate
+    exit 1
 fi
 
 echo "Installing dependencies from requirements.txt..."
 pip install -r requirements.txt > pip_install.log 2>&1
 
 if [ $? -eq 0 ]; then
-  echo "Dependencies installed successfully."
+    echo "Dependencies installed successfully."
 else
-  echo "Error occurred while installing dependencies. Check pip_install.log for details."
+    echo "Error occurred while installing dependencies. Check pip_install.log for details."
+    deactivate
+    exit 1
 fi
 
 # Deactivate the virtual environment (optional)