Flyte SDK for Python
Project description
Flytekit
Python Library for easily authoring, testing, deploying, and interacting with Flyte tasks, workflows, and launch plans. To understand more about flyte refer to,
Installation
Flytekit is the core extensible library to author Flyte workflows and tasks and interact with Flyte Backend services. Flyte plugins can be installed separately.
Base Installation
pip install flytekit==0.16.0b1
Simple getting started
from flytekit import task, workflow
@task(cache=True, cache_version="1", retries=3)
def sum(x: int, y: int) -> int:
return x + y
@task(cache=True, cache_version="1", retries=3)
def square(x: int) -> int:
return x*x
@workflow
def my_workflow(x: int, y: int) -> int:
return sum(x=square(x=x),y=square(y=y))
Learn Flytekit by example using
Plugins:
Refer to plugins/README.md for a list of available plugins. There may be plugins outside of this list, but this list is maintained by the core maintainers.
Development
Guide to contribute and develop flytekit
Recipes
$ make
Available recipes:
setup Install requirements
fmt Format code with black and isort
lint Run linters
test Run tests
requirements Compile requirements
Setup (Do Once)
virtualenv ~/.virtualenvs/flytekit
source ~/.virtualenvs/flytekit/bin/activate
make setup
Formatting
We use black and isort to autoformat code. Run the following command to execute the formatters:
source ~/.virtualenvs/flytekit/bin/activate
make fmt
Testing
Unit Testing
source ~/.virtualenvs/flytekit/bin/activate
make test
Updating requirements
Update requirements in requirements.in
(or requirements-spark3.in
), or update requirements for development in dev-requirements.in
. Then, validate, pin and freeze all requirements by running:
source ~/.virtualenvs/flytekit/bin/activate
make requirements
This will re-create the requirements.txt
(or requirements-spark3.in
) and dev-requirements.txt
files which will be used for testing. You will have also have to re-run make setup
to update your local environment with the updated requirements.
Project details
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