catalog/task/black/0.1

Black (Python Code Prettier)

This task can be used to format the python source code using Black which is an Opinionate Code Formatter.

Installing the Task

kubectl apply -f https://raw.githubusercontent.com/tektoncd/catalog/master/task/black/0.1/black.yaml

Parameters

• args: The extra params along with the file path needs to be provided as the part of args. (Default: ["--help"])

Workspaces

• shared-workspace: The workspace containing python source code which we want to format. It can be a shared workspace with the git-clone task or a ConfigMap mounted containing some files.

Usage

1. Create the git-clone task

kubectl apply -f https://raw.githubusercontent.com/tektoncd/catalog/master/task/git-clone/0.1/git-clone.yaml

2. Create the PVC

3. Apply the required tasks

4. Create the Pipeline and PipelineRun for Black(Python Code Formatter)

apiVersion: tekton.dev/v1beta1
kind: Pipeline
metadata:
  name: python-formatter-pipeline
spec:
  workspaces:
    - name: shared-workspace
  tasks:
    - name: fetch-repository
      taskRef:
        name: git-clone
      workspaces:
        - name: output
          workspace: shared-workspace
      params:
        - name: url
          value: https://github.com/wumaxd/pylint-pytest-example
        - name: subdirectory
          value: ""
        - name: deleteExisting
          value: "true"
    - name: python-black-run #python code prettier
      taskRef:
        name: black
      runAfter:
        - fetch-repository
      workspaces:
        - name: shared-workspace
          workspace: shared-workspace
      params:
        - name: args
          value: ["."]

---
apiVersion: tekton.dev/v1beta1
kind: PipelineRun
metadata:
  name: python-formatter-pipeline-run
spec:
  pipelineRef:
    name: python-formatter-pipeline
  workspaces:
    - name: shared-workspace
      persistentvolumeclaim:
        claimName: black-python-pvc