# Create a Troposphere template.
from troposphere import Template

# Create the initial template.
template: Template = Template()

# Create some of the resources for lambda function resource.
from troposphere.iam import Role
from troposphere.ec2 import Subnet
from troposphere.ec2 import SecurityGroup

lambda_role = Role(...)
lambda_subnets = [Subnet(...)]
lambda_security_groups = [SecurityGroup(...)]

# Import a lambda function resource class.
from aws_lambda.cloud_formation.lambda_troposphere import LambdaFunction

# Create a lambda function resource.
lambda_function = LambdaFunction(
    prefix='MyCustomPrefix',
    description='My custom description.',
    memory=128,
    timeout=300,
    handler='file.function',
    runtime='python3.8',
    role=lambda_role,
    env={},
    security_groups=lambda_security_groups,
    subnets=lambda_subnets
)

# Add lambda function to a Troposphere template.
lambda_function.add(template)

# Import AWS CDK core, iam, ec2, and lambda libraries.
from aws_cdk import core
from aws_cdk import aws_lambda
from aws_cdk import aws_iam
from aws_cdk import aws_ec2

# Create a CDK app.
app = core.App()

# Define a CDK stack class.
class MainStack(core.Stack):
    def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
        super().__init__(scope, id, **kwargs)
        
        # Import lambda function resource class.
        from aws_lambda.cloud_formation.lambda_aws_cdk import LambdaFunction
        
        lambda_vpc = aws_ec2.Vpc(...)
        lambda_role = aws_iam.Role(...)
        lambda_security_groups = [aws_ec2.SecurityGroup(...)]
        lambda_subnets = [aws_ec2.Subnet(...)]
        
        # Create lambda function.
        LambdaFunction(
            scope=self,
            prefix='MyCustomPrefix',
            description='My custom description.',
            memory=128,
            timeout=300,
            handler='file.function',
            runtime=aws_lambda.Runtime.PYTHON_3_8,
            role=lambda_role,
            env={},
            security_groups=lambda_security_groups,
            subnets=lambda_subnets,
            vpc=lambda_vpc
        )

# Create stack instance.
MainStack(app, "MainStack")

# Create a CloudFormation template.
app.synth()

# Import deployment package manager class.
from aws_lambda.deployment.deployment_package import DeploymentPackage

# Suppose you have a project under a path:
SCR_PATH = '/home/user/projects/my_project'

# Suppose you have run 'aws configure' on your machine and have a default profile.
AWS_PROFILE = 'default'

# Create deployment manager instance.
deployment_package = DeploymentPackage(
    project_src_path=SCR_PATH,
    lambda_name='MyCoolLambda',
    s3_upload_bucket='MyCoolS3Bucket',
    s3_bucket_region='eu-west-1',
    aws_profile=AWS_PROFILE,
    environment='prod',
    refresh_lambda=True
)

# Initiate deployment.
deployment_package.deploy()