how to import a function from python file1 to file2 in Lambda

Question

Using Python 3.7 in Lambda, how to import a function run() from sample.py in lambda_function.py

Here's my code: File1 - lambda_function.py:

import sample.py

def lambda_handler(event, context):
    sample.run()

    return {
        'statusCode': 200
    }

File 2 - sample.py:

def run()
    Print('success')

    return {
         'statusCode': 200
       }

Error: { "errorMessage": "Unable to import module 'sample': No module named 'sample.py'; 'sample' is not a package", "errorType": "Runtime.ImportModuleError" }

Project structure in lambda:

Emilie · Accepted Answer · 2020-04-16 20:15:26Z

2

You should be able to import sample (without the py). If the error still persists, then you can add the current path of the other file (literally current path) to the PATH variable.

import sys sys.path.append("PATH_TO_SAMPLE")

Note, might be helpful to use os.getcwd() to see what directory your code is running in. Then you can get a correct relative path.

answered Apr 16, 2020 at 20:15

Emilie

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1 Comment

Andrey Over a year ago

Removing .py made it work.

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