Build AWS Lambda deployment packages (zip files) for Python projects
Project description
paketoi
Paketoi is a command-line tool for building AWS Lambda deployment packages (zip files) for Python projects.
The goal is to provide a single command to build the deployment package for simple projects using requirements.txt
.
Assumptions
- The dependencies for your project are specified in a
requirements.txt
file. - Any dependencies with native code have pre-built binary wheels for the target platform.
Installation
Paketoi is available on PyPI. The simplest way to install it globally is to use pipx:
pipx install paketoi
Usage
The tool is meant to be run in the directory that contains your project. The source code is assumed to reside in the working directory. The basic usage is:
paketoi -r <path to requirements.txt> <path to output file>
You can find all the command-line options with paketoi --help
.
Command-line options
% paketoi --help
Usage: paketoi [OPTIONS] OUTPUT
Build AWS Lambda deployment packages (zip files) for Python projects.
Options:
-s, --source DIRECTORY The source root of the project.
-I, --include PATH Files to be included, relative to the source
root.
-E, --exclude TEXT Files to be excluded, relative to the source
root.
-r, --requirement TEXT Path to requirements.txt.
--runtime [3.8|3.9|3.10|3.11|3.12]
Python version to target.
--platform [x86_64|arm64] Architecture to target.
--default-excludes / --no-default-excludes
Enable/disable the default exclusion list.
(.git, .jj, .mypy_cache, .ruff_cache)
--help Show this message and exit.
Python version and architecture
By default, dependencies are downloaded for Python 3.12 running on x86_64.
You can change these options with --platform
and --runtime
options.
For example, to build a deployment package for Python 3.10 running on arm64, do this:
paketoi -r requirements.txt --runtime 3.10 --platform arm64 lambda.zip
Simple layout
.
├── lambda_function.py
└── requirements.txt
With the project layout like above, you can build a deployment package lambda.zip
like this:
paketoi -r requirements.txt lambda.zip
src
layout
.
├── requirements.txt
└── src
└── lambda_function.py
When your lambda source is under the directory src
, use -s src
to set the source root.
paketoi -r requirements.txt -s src lambda.zip
Excluding files
.
├── requirements.txt
├── lambda_function.py
└── tests
└── lambda_function_test.py
You can exclude files you do not need by using -E path
. For example:
paketoi -r requirements.txt -E tests lambda.zip
Alternatives
Developing paketoi
This project uses Poetry as the package manager and just as the command runner. Project setup:
# Create a virtualenv and install all the dependencies
poetry install
# Run all the tests and checks
just check
# Run the tool directly from the repo
poetry run paketoi
Project details
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