Common task classes used by the DKIST science data processing pipelines
Project description
This repository works in concert with dkist-processing-core and dkist-processing-*instrument* to form the DKIST calibration processing stack.
Usage
The classes in this repository should be used as the base of any DKIST processing pipeline tasks. Science tasks should subclass ScienceTaskL0ToL1Base.
Each class is built on an abstract base class with the run method left for a developer to fill out with the required steps that the task should take. This class is then used as the callable object for the workflow and scheduling engine.
Example
from dkist_processing_common.tasks.base import ScienceTaskL0ToL1Base
class RemoveArtifacts(ScienceTaskL0ToL1Base):
def run(self):
# task code here
total = 2 + 5Deployment
dkist-processing-common is deployed to PyPI
Development
There are two prerequisites for test execution on a local machine:
Redis. A running instance of redis on the local machine is required. The tests will use the default host ip of localhost and port of 6379 to connect to the database.
RabbitMQ. A running instance of rabbitmq on the local machine is required. The tests will use the default host of localhost and a port of 5672 to connect to the interservice bus.
To run the tests locally, clone the repository and install the package in editable mode with the test extras.
git clone git@bitbucket.org:dkistdc/dkist-processing-common.git
cd dkist-processing-common
pre-commit install
pip install -e .[test]
# Redis must be running
pytest -v --cov dkist_processing_commonChangelog
When you make any change to this repository it MUST be accompanied by a changelog file. The changelog for this repository uses the towncrier package. Entries in the changelog for the next release are added as individual files (one per change) to the changelog/ directory.
Writing a Changelog Entry
A changelog entry accompanying a change should be added to the changelog/ directory. The name of a file in this directory follows a specific template:
<PULL REQUEST NUMBER>.<TYPE>[.<COUNTER>].rst
The fields have the following meanings:
<PULL REQUEST NUMBER>: This is the number of the pull request, so people can jump from the changelog entry to the diff on BitBucket.
<TYPE>: This is the type of the change and must be one of the values described below.
<COUNTER>: This is an optional field, if you make more than one change of the same type you can append a counter to the subsequent changes, i.e. 100.bugfix.rst and 100.bugfix.1.rst for two bugfix changes in the same PR.
The list of possible types is defined the the towncrier section of pyproject.toml, the types are:
feature: This change is a new code feature.
bugfix: This is a change which fixes a bug.
doc: A documentation change.
removal: A deprecation or removal of public API.
misc: Any small change which doesn’t fit anywhere else, such as a change to the package infrastructure.
Rendering the Changelog at Release Time
When you are about to tag a release first you must run towncrier to render the changelog. The steps for this are as follows:
Run towncrier build –version vx.y.z using the version number you want to tag.
Agree to have towncrier remove the fragments.
Add and commit your changes.
Tag the release.
NOTE: If you forget to add a Changelog entry to a tagged release (either manually or automatically with towncrier) then the Bitbucket pipeline will fail. To be able to use the same tag you must delete it locally and on the remote branch:
# First, actually update the CHANGELOG and commit the update
git commit
# Delete tags
git tag -d vWHATEVER.THE.VERSION
git push --delete origin vWHATEVER.THE.VERSION
# Re-tag with the same version
git tag vWHATEVER.THE.VERSION
git push --tags origin mainRelease history Release notifications | RSS feed
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