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######## Create a Sample Lambda Function URL and the necessary dependencies ########

import boto3

#%%

### Create Hello Lambda .py ###

lambda_code = '''

import json

def lambda_handler(event, context):

# TODO implement

return {

'statusCode': 200,

'body': json.dumps('Hello from Lambda!')

}

'''

f = open("lambda_function.py", "w")

f.write(lambda_code)

f.close()

#%%

### Create handler .zip ###

from zipfile import ZipFile

fZip = ZipFile('lambda-handler.zip', 'w')

fZip.write('lambda_function.py')

fZip.close()

#%%

### Create Trust Policy for IAM Role

import json

trust_policy = json.dumps({

"Version": "2012-10-17",

"Statement": [

{

"Effect": "Allow",

"Principal": {

"Service": "lambda.amazonaws.com"

},

"Action": "sts:AssumeRole"

}

]

})

#%%

### Create IAM Role

client_iam = boto3.client('iam')

response_create_role = client_iam.create_role(

RoleName='lambda-role-boto3',

AssumeRolePolicyDocument=trust_policy

)

role_arn = response_create_role['Role']['Arn']

#%%

### Create Lambda Function

client_lambda = boto3.client('lambda')

f = open('lambda-handler.zip', 'rb')

lambda_handler_zip = f.read()

f.close()

response_create_function = client_lambda.create_function(

FunctionName='test_Lambda_Function_URLs_boto3',

Runtime= 'python3.9',

Role=role_arn,

Code=dict(ZipFile=lambda_handler_zip),

Handler='lambda_function.lambda_handler'

)

#%%

### Add Public Access Permission

client_lambda = boto3.client('lambda')

response_add_permission = client_lambda.add_permission(

FunctionName='test_Lambda_Function_URLs_boto3',

StatementId='FunctionURLAllowPublicAccess',

Action='lambda:InvokeFunctionUrl',

Principal='*',

FunctionUrlAuthType='NONE'

)

#%%

### Create Lambda Function URL

client_lambda = boto3.client('lambda')

response_create_function_url_config = client_lambda.create_function_url_config(

FunctionName='test_Lambda_Function_URLs_boto3',

AuthType='NONE'

)

function_URL = response_create_function_url_config['FunctionUrl']

print(function_URL)

import requests

response_requests = requests.get(function_URL)

print(response_requests.text)