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build_layers.sh

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+#!/bin/bash
+
+# Build AWS Lambda Layers for WhatsApp Handler
+set -e
+
+echo "🚀 Building AWS Lambda Layers..."
+
+# Colors for output
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m' # No Color
+
+# Function to print colored output
+print_status() {
+    echo -e "${GREEN}[INFO]${NC} $1"
+}
+
+print_warning() {
+    echo -e "${YELLOW}[WARNING]${NC} $1"
+}
+
+print_error() {
+    echo -e "${RED}[ERROR]${NC} $1"
+}
+
+# Check if Python 3.12 is available
+if ! command -v python3.12 &> /dev/null; then
+    print_error "Python 3.12 is not installed"
+    exit 1
+fi
+
+print_status "Python version: $(python3.12 --version)"
+
+# Create base directories
+print_status "Creating layer directories..."
+mkdir -p layers/wp_lambda_layer/python/lib/python3.12/site-packages
+mkdir -p layers/wp_additional_layer/python/lib/python3.12/site-packages
+mkdir -p layers/phonepe_layer/python/lib/python3.12/site-packages
+
+# Install wp_lambda_layer dependencies
+print_status "Installing wp_lambda_layer dependencies..."
+pip3.12 install --no-cache-dir --target layers/wp_lambda_layer/python/lib/python3.12/site-packages \
+    requests==2.31.0 \
+    boto3==1.34.0 \
+    botocore==1.34.0 \
+    urllib3==1.26.18 \
+    certifi==2023.11.17 \
+    charset-normalizer==3.3.2 \
+    idna==3.6 \
+    jmespath==1.0.1 \
+    python-dateutil==2.8.2 \
+    s3transfer==0.10.0 \
+    six==1.16.0
+
+# Install wp_additional_layer dependencies
+print_status "Installing wp_additional_layer dependencies..."
+pip3.12 install --no-cache-dir --target layers/wp_additional_layer/python/lib/python3.12/site-packages \
+    pg8000==1.30.4 \
+    scramp==1.4.4 \
+    asn1crypto==1.5.1
+
+# Install PhonePe SDK
+print_status "Installing PhonePe SDK..."
+pip3.12 install --no-cache-dir --target layers/phonepe_layer/python/lib/python3.12/site-packages \
+    --index-url https://phonepe.mycloudrepo.io/public/repositories/phonepe-pg-sdk-python \
+    --extra-index-url https://pypi.org/simple \
+    phonepe_sdk==1.1.0
+
+# Remove unnecessary files to reduce layer size
+print_status "Cleaning up unnecessary files..."
+find layers/ -type d -name "__pycache__" -exec rm -rf {} + 2>/dev/null || true
+find layers/ -type f -name "*.pyc" -delete 2>/dev/null || true
+find layers/ -type f -name "*.pyo" -delete 2>/dev/null || true
+find layers/ -type d -name "*.dist-info" -exec rm -rf {} + 2>/dev/null || true
+find layers/ -type d -name "*.egg-info" -exec rm -rf {} + 2>/dev/null || true
+find layers/ -type f -name "*.so" -exec strip {} + 2>/dev/null || true
+
+# Create zip files
+print_status "Creating layer zip files..."
+cd layers
+
+# Create wp_lambda_layer.zip
+print_status "Creating wp_lambda_layer.zip..."
+cd wp_lambda_layer
+zip -r ../wp_lambda_layer.zip . -x "*.pyc" "*/__pycache__/*"
+cd ..
+
+# Create wp_additional_layer.zip
+print_status "Creating wp_additional_layer.zip..."
+cd wp_additional_layer
+zip -r ../wp_additional_layer.zip . -x "*.pyc" "*/__pycache__/*"
+cd ..
+
+# Create phonepe_layer.zip
+print_status "Creating phonepe_layer.zip..."
+cd phonepe_layer
+zip -r ../phonepe_layer.zip . -x "*.pyc" "*/__pycache__/*"
+cd ..
+
+# Show file sizes
+print_status "Layer sizes:"
+du -sh wp_lambda_layer.zip wp_additional_layer.zip phonepe_layer.zip
+
+# Verify layer structure
+print_status "Verifying layer structure..."
+echo "wp_lambda_layer contents:"
+unzip -l wp_lambda_layer.zip | head -20
+
+echo -e "\nwp_additional_layer contents:"
+unzip -l wp_additional_layer.zip | head -20
+
+echo -e "\nphonepe_layer contents:"
+unzip -l phonepe_layer.zip | head -20
+
+print_status "✅ All layers created successfully!"
+print_status "📦 Layer files:"
+ls -la *.zip
+
+print_status "🚀 Ready to upload to AWS Lambda!"
+echo -e "\n${GREEN}Next steps:${NC}"
+echo "1. Upload wp_lambda_layer.zip to AWS Lambda as a layer"
+echo "2. Upload wp_additional_layer.zip to AWS Lambda as a layer"
+echo "3. Upload phonepe_layer.zip to AWS Lambda as a layer"
+echo "4. Add all three layers to your Lambda function"
+echo "5. Set Python runtime to 3.12"

python312_install.sh

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+#!/bin/bash
+
+# Install Python 3.12 on Amazon Linux (without sudo)
+# This script attempts to install Python 3.12 in user space
+
+set -e
+
+echo "🐍 Installing Python 3.12 for AWS Lambda Layers..."
+
+# Colors for output
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m' # No Color
+
+print_status() {
+    echo -e "${GREEN}[INFO]${NC} $1"
+}
+
+print_warning() {
+    echo -e "${YELLOW}[WARNING]${NC} $1"
+}
+
+print_error() {
+    echo -e "${RED}[ERROR]${NC} $1"
+}
+
+# Check if we already have Python 3.12
+if command -v python3.12 &> /dev/null; then
+    print_status "Python 3.12 is already available: $(python3.12 --version)"
+    exit 0
+fi
+
+# Try to install Python 3.12 using package manager first
+print_status "Attempting to install Python 3.12 using package manager..."
+
+# For Amazon Linux 2023
+if [ -f /etc/os-release ]; then
+    source /etc/os-release
+    if [[ "$NAME" == *"Amazon Linux"* ]]; then
+        print_status "Detected Amazon Linux"
+        
+        # Try with dnf (Amazon Linux 2023)
+        if command -v dnf &> /dev/null; then
+            print_status "Using dnf to install Python 3.12..."
+            dnf install -y python3.12 python3.12-pip python3.12-devel || {
+                print_warning "Failed to install Python 3.12 via dnf"
+            }
+        # Try with yum (Amazon Linux 2)
+        elif command -v yum &> /dev/null; then
+            print_status "Using yum to install Python 3.12..."
+            yum install -y python3.12 python3.12-pip python3.12-devel || {
+                print_warning "Failed to install Python 3.12 via yum"
+            }
+        fi
+    fi
+fi
+
+# Check if installation was successful
+if command -v python3.12 &> /dev/null; then
+    print_status "✅ Python 3.12 installed successfully: $(python3.12 --version)"
+    
+    # Create symlinks if they don't exist
+    if [ ! -f /usr/bin/python3.12 ]; then
+        which python3.12 > /dev/null && ln -sf $(which python3.12) /usr/local/bin/python3.12 || true
+    fi
+    
+    # Set alternatives
+    if command -v alternatives &> /dev/null; then
+        alternatives --install /usr/bin/python3 python3 /usr/bin/python3.12 1 || true
+        alternatives --install /usr/bin/pip3 pip3 /usr/bin/pip3.12 1 || true
+    fi
+    
+    exit 0
+fi
+
+# If package manager installation failed, try building from source
+print_warning "Package manager installation failed. Attempting to build from source..."
+
+# Create a local installation directory
+PYTHON_HOME="$HOME/.local/python3.12"
+mkdir -p $PYTHON_HOME
+
+# Download Python 3.12 source
+PYTHON_VERSION="3.12.2"
+PYTHON_URL="https://www.python.org/ftp/python/${PYTHON_VERSION}/Python-${PYTHON_VERSION}.tgz"
+
+print_status "Downloading Python ${PYTHON_VERSION}..."
+cd /tmp
+wget $PYTHON_URL
+tar -xzf Python-${PYTHON_VERSION}.tgz
+cd Python-${PYTHON_VERSION}
+
+# Configure and build
+print_status "Configuring Python build..."
+./configure --prefix=$PYTHON_HOME \
+    --enable-optimizations \
+    --enable-shared \
+    --with-ensurepip=install
+
+print_status "Building Python (this may take a while)..."
+make -j$(nproc)
+
+print_status "Installing Python to ${PYTHON_HOME}..."
+make install
+
+# Create symlinks
+ln -sf $PYTHON_HOME/bin/python3.12 $HOME/.local/bin/python3.12
+ln -sf $PYTHON_HOME/bin/pip3.12 $HOME/.local/bin/pip3.12
+
+# Add to PATH
+echo "export PATH=$HOME/.local/bin:$PATH" >> $HOME/.bashrc
+export PATH=$HOME/.local/bin:$PATH
+
+# Verify installation
+if command -v python3.12 &> /dev/null; then
+    print_status "✅ Python 3.12 built and installed successfully!"
+    print_status "Version: $(python3.12 --version)"
+    print_status "Location: $(which python3.12)"
+else
+    print_error "❌ Failed to install Python 3.12"
+    exit 1
+fi
+
+# Clean up
+cd $HOME
+rm -rf /tmp/Python-${PYTHON_VERSION}*
+
+print_status "🎉 Python 3.12 is ready to use!"
+print_status "Run 'source ~/.bashrc' or restart your shell to update PATH"