aws-lambda-lxml

AWS Lambda precomiled binaries for lxml built for python 2.7 and python 3.6 runtimes.

libxml2-dev and libxslt-dev are not needed as they are included by default in the machines that run lambdas.

Example usage

1. Put the lxml directory in the root of your lambda package
2. Import lxml and use as usual

from lxml import etree


def handle(event, context):
    return etree.fromstring(event)

Build it yourself

The lxml library is os dependent thus we need to have precompiled copy. Below are the steps.

Create a docker container. docker run -it lambci/lambda:build-python3.8 bash

Create a dir named ‘lib'(anything you want) and Install lxml into it. mkdir lib pip install lxml -t ./lib --no-deps

Open another cmd and run docker ps

copy the containerid

Copy the files from container to host.

mkdir /home/libraries/opt/python/lib/python3.8/site-packages/
docker cp <containerid>:/var/task/lib /home/libraries/opt/python/lib/python3.8/site-packages/

Steps taken from https://codeutility.org/python-aws-lambda-not-importing-lxml-stack-overflow/

Once you run this, you'll have a folder called lxml (you can ignore the other one with the dist-info), which is the one you are going to place in the root of the lambda package as specified in the example