Bitbucket Pipelines - 跨多个步骤共享 pip 库

Question

我试图将在初始步骤中安装的 pip 库存储为工件，以便以后可以在并行步骤中重用它。不幸的是，当执行“Test part 1”和“Test part 2”时，提到的库不存在。

此外，即使在 Bitbucket 窗口的 Artifacts 选项卡中也看不到提到的工件

image: python:3.8

options:
  max-time: 20

definitions:
  steps:
    - step: &fetch-and-build
        name: Update image
        caches:
          - pip
          - docker
        services:
          - docker
        script:
          - pip install -r requirements.txt -U
          - pip list -v
        artifacts:
          - /usr/local/lib/python3.8/**
  services:
    postgres:
      image: postgres
      memory: 512
      variables:
        POSTGRES_HOST_AUTH_METHOD: 'trust'
    redis:
      image: redis
      memory: 256
    docker:
      memory: 2048

  default:
    - step: *fetch-and-build
    - parallel:
      - step:
          name: "Test part 1"
          caches:
            - pip
            - docker
          script:
            - pip list -v
            - export COVERAGE_PROCESS_START=./.coveragerc
            - coverage run --parallel-mode --concurrency=multiprocessing --rcfile=./.coveragerc manage.py test -v 3 --parallel=5 payments
          services:
            - redis
            - postgres
            - docker
          artifacts:
            - htmlcov/**
            - htmlcov/index.html
            - coverage/.coverage
            - /usr/local/lib/python3.8/**
      - step:
            name: "Test part 2"
            caches:
              - pip
              - docker
            script:
              - export COVERAGE_PROCESS_START=./.coveragerc
              - coverage run --parallel-mode --concurrency=multiprocessing --rcfile=./.coveragerc manage.py test -v 3 --parallel=5 feed jobs
            services:
              - redis
              - postgres
              - docker
            artifacts:
              - htmlcov/**
              - htmlcov/index.html
              - coverage/.coverage
              - /usr/local/lib/python3.8/**