name: python

on:
  workflow_dispatch:
  pull_request:
    branches:
      '**'
  merge_group:
    branches: [ master ]
  schedule:
    - cron: "0 0 * * *"

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  check-paths:
    name: python / check paths
    runs-on: ubuntu-latest
    permissions:
      contents: read
      pull-requests: read
    outputs:
      should_run: ${{ steps.non_pr.outputs.should_run || steps.filter.outputs.run_tests }}
    steps:
      - id: non_pr
        if: github.event_name != 'pull_request'
        run: echo "should_run=true" >> "$GITHUB_OUTPUT"

      - uses: actions/checkout@v4
        if: github.event_name == 'pull_request'

      - uses: dorny/paths-filter@v3
        id: filter
        if: github.event_name == 'pull_request'
        with:
          predicate-quantifier: every
          filters: |
            run_tests:
              - '**'
              - '!docs/**'
              - '!blogs/**'

  unit-tests:
    name: python / install smoke (Python ${{ matrix.pyVersion }})
    needs: check-paths
    if: ${{ !cancelled() }}
    strategy:
      matrix:
        pyVersion: ["3.10", "3.11", "3.12"]
      fail-fast: false

    runs-on: ubuntu-24.04
    container:
      image: python:${{ matrix.pyVersion }}-slim

    steps:
        - name: Fail if path filter failed
          if: needs.check-paths.result != 'success'
          run: exit 1

        - name: Skip ignored-path install smoke
          if: needs.check-paths.outputs.should_run != 'true'
          run: echo "Only ignored paths changed; install smoke intentionally skipped."

        - uses: actions/checkout@v4
          if: needs.check-paths.outputs.should_run == 'true'

        - name: Install build dependencies
          if: needs.check-paths.outputs.should_run == 'true'
          run: |
            apt-get update && apt-get install -y build-essential ninja-build
        - name: environment
          if: needs.check-paths.outputs.should_run == 'true'
          run: |
            which python
            python --version
        - name: Install PyTorch (CPU)
          if: needs.check-paths.outputs.should_run == 'true'
          run: |
            pip install torch --index-url https://download.pytorch.org/whl/cpu
        - name: Install deepspeed
          if: needs.check-paths.outputs.should_run == 'true'
          run: |
            pip install .
        - name: DS Report
          if: needs.check-paths.outputs.should_run == 'true'
          run: |
             ds_report