Coverage workflow (dropbox/dropbox-sdk-python)

The Coverage workflow from dropbox/dropbox-sdk-python, explained and optimized by Latchkey.

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Source: dropbox/dropbox-sdk-python.github/workflows/coverage.ymlLicense MITView source

What it does

This is the Coverage workflow from the dropbox/dropbox-sdk-python repository, a real project running GitHub Actions. It is shown here with attribution under its MIT license.

Below, Latchkey shows a faster, safer version produced by its optimization engine.

The workflow

workflow (.yml)

name: Coverage
on:
  push:
    branches:
      - main
  pull_request:
  schedule:
    - cron: 0 0 * * *

jobs:
  Coverage:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
      - name: Setup Python environment
        uses: actions/setup-python@v6
        with:
          python-version: '3.11'
      - name: Setup virtual environment
        run: |
          python -m venv venv
          source venv/bin/activate
          python -m pip install --upgrade pip
      - name: Install Requirements
        run: |
          python -m pip install --upgrade pip
          pip install coverage pytest
          pip install -r requirements.txt
          pip install -r test/requirements.txt
          pip install .
      - name: Generate Unit Test Coverage
        run: |
          coverage run --rcfile=.coveragerc -m pytest test/unit/test_dropbox_unit.py
          coverage xml
      - name: Publish Coverage
        uses: codecov/codecov-action@v5
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          flags: unit
          fail_ci_if_error: true
  IntegrationCoverage:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
      - name: Setup Python environment
        uses: actions/setup-python@v6
        with:
          python-version: '3.11'
      - name: Setup virtual environment
        run: |
          python -m venv venv
          source venv/bin/activate
          python -m pip install --upgrade pip
      - name: Install Requirements
        run: |
          python -m pip install --upgrade pip
          pip install coverage pytest
          pip install -r requirements.txt
          pip install -r test/requirements.txt
          pip install .
      - name: Generate Unit Test Coverage
        env:
          LEGACY_USER_DROPBOX_TOKEN: ${{ secrets.LEGACY_USER_DROPBOX_TOKEN }}
          LEGACY_USER_CLIENT_ID: ${{ secrets.LEGACY_USER_CLIENT_ID }}
          LEGACY_USER_CLIENT_SECRET: ${{ secrets.LEGACY_USER_CLIENT_SECRET }}
          LEGACY_USER_REFRESH_TOKEN: ${{ secrets.LEGACY_USER_REFRESH_TOKEN }}
          SCOPED_USER_DROPBOX_TOKEN: ${{ secrets.SCOPED_USER_DROPBOX_TOKEN }}
          SCOPED_USER_CLIENT_ID: ${{ secrets.SCOPED_USER_CLIENT_ID }}
          SCOPED_USER_CLIENT_SECRET: ${{ secrets.SCOPED_USER_CLIENT_SECRET }}
          SCOPED_USER_REFRESH_TOKEN: ${{ secrets.SCOPED_USER_REFRESH_TOKEN }}
          SCOPED_TEAM_DROPBOX_TOKEN: ${{ secrets.SCOPED_TEAM_DROPBOX_TOKEN }}
          SCOPED_TEAM_CLIENT_ID: ${{ secrets.SCOPED_TEAM_CLIENT_ID }}
          SCOPED_TEAM_CLIENT_SECRET: ${{ secrets.SCOPED_TEAM_CLIENT_SECRET }}
          SCOPED_TEAM_REFRESH_TOKEN: ${{ secrets.SCOPED_TEAM_REFRESH_TOKEN }}
          DROPBOX_SHARED_LINK: ${{ secrets.DROPBOX_SHARED_LINK }}
        run: |
          coverage run --rcfile=.coveragerc -m pytest test/integration/test_dropbox.py
          coverage xml
      - name: Publish Coverage
        uses: codecov/codecov-action@v5
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          flags: integration
          fail_ci_if_error: true

The same workflow, on Latchkey

Estimated ~20% faster on cache hits, plus fewer wasted runs and a safer supply chain. Added and changed lines are highlighted.

name: Coverage
on:
  push:
    branches:
      - main
  pull_request:
  schedule:
    - cron: 0 0 * * *
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  Coverage:
    timeout-minutes: 30
    runs-on: latchkey-small
    steps:
      - uses: actions/checkout@v5
      - name: Setup Python environment
        uses: actions/setup-python@v6
        with:
          cache: 'pip'
          python-version: '3.11'
      - name: Setup virtual environment
        run: |
          python -m venv venv
          source venv/bin/activate
          python -m pip install --upgrade pip
      - name: Install Requirements
        run: |
          python -m pip install --upgrade pip
          pip install coverage pytest
          pip install -r requirements.txt
          pip install -r test/requirements.txt
          pip install .
      - name: Generate Unit Test Coverage
        run: |
          coverage run --rcfile=.coveragerc -m pytest test/unit/test_dropbox_unit.py
          coverage xml
      - name: Publish Coverage
        uses: codecov/codecov-action@v5
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          flags: unit
          fail_ci_if_error: true
  IntegrationCoverage:
    timeout-minutes: 30
    runs-on: latchkey-small
    steps:
      - uses: actions/checkout@v5
      - name: Setup Python environment
        uses: actions/setup-python@v6
        with:
          cache: 'pip'
          python-version: '3.11'
      - name: Setup virtual environment
        run: |
          python -m venv venv
          source venv/bin/activate
          python -m pip install --upgrade pip
      - name: Install Requirements
        run: |
          python -m pip install --upgrade pip
          pip install coverage pytest
          pip install -r requirements.txt
          pip install -r test/requirements.txt
          pip install .
      - name: Generate Unit Test Coverage
        env:
          LEGACY_USER_DROPBOX_TOKEN: ${{ secrets.LEGACY_USER_DROPBOX_TOKEN }}
          LEGACY_USER_CLIENT_ID: ${{ secrets.LEGACY_USER_CLIENT_ID }}
          LEGACY_USER_CLIENT_SECRET: ${{ secrets.LEGACY_USER_CLIENT_SECRET }}
          LEGACY_USER_REFRESH_TOKEN: ${{ secrets.LEGACY_USER_REFRESH_TOKEN }}
          SCOPED_USER_DROPBOX_TOKEN: ${{ secrets.SCOPED_USER_DROPBOX_TOKEN }}
          SCOPED_USER_CLIENT_ID: ${{ secrets.SCOPED_USER_CLIENT_ID }}
          SCOPED_USER_CLIENT_SECRET: ${{ secrets.SCOPED_USER_CLIENT_SECRET }}
          SCOPED_USER_REFRESH_TOKEN: ${{ secrets.SCOPED_USER_REFRESH_TOKEN }}
          SCOPED_TEAM_DROPBOX_TOKEN: ${{ secrets.SCOPED_TEAM_DROPBOX_TOKEN }}
          SCOPED_TEAM_CLIENT_ID: ${{ secrets.SCOPED_TEAM_CLIENT_ID }}
          SCOPED_TEAM_CLIENT_SECRET: ${{ secrets.SCOPED_TEAM_CLIENT_SECRET }}
          SCOPED_TEAM_REFRESH_TOKEN: ${{ secrets.SCOPED_TEAM_REFRESH_TOKEN }}
          DROPBOX_SHARED_LINK: ${{ secrets.DROPBOX_SHARED_LINK }}
        run: |
          coverage run --rcfile=.coveragerc -m pytest test/integration/test_dropbox.py
          coverage xml
      - name: Publish Coverage
        uses: codecov/codecov-action@v5
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          flags: integration
          fail_ci_if_error: true

What changed

Run on Latchkey managed runners with one line (runs-on), which apply the fixes below automatically and self-heal transient failures. This example uses latchkey-small; pick the runner size that fits the job.
Cancel superseded runs when a branch or PR gets a newer push.
Cache dependency installs on the setup step so they are served from cache.
Add a job timeout so a hung step cannot burn hours of runner time.

1 third-party action is referenced by a movable tag. Pin it to the commit SHA (Latchkey resolves and applies this automatically) so a repointed tag cannot change what runs.

What Latchkey heals here

This workflow has steps that commonly fail on transient issues (network, registries, flaky browsers). On Latchkey managed runners they are detected, retried, and self-healed instead of failing your build:

Dependency installs

This workflow runs 2 jobs per trigger. On Latchkey the same minutes cost up to 58% less than GitHub-hosted, with zero queue time.

Actions used in this workflow

actions/checkout actions/setup-python codecov/codecov-action