Transition CI to Azure Pipelines

azure-cron.yml

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+# This is used for scheduled job that is configured on the
+# Azure side.
+
+trigger: none
+
+jobs:
+  - template: azure-templates.yml
+    parameters:
+      name: 'Nightly'

azure-pipelines.yml

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+# This is the CI matrix that runs per push event.
+
+trigger:
+- master
+
+stages:
+- stage: Initial
+  jobs:
+  - job: 'EggInfo'
+    pool:
+      vmImage: 'Ubuntu-16.04'
+
+    steps:
+    - task: UsePythonVersion@0
+
+    # Make sure that egg_info works without dependencies
+    - script: |
+        python -m pip install --upgrade pip setuptools
+        python setup.py egg_info
+      displayName: 'egg_info'
+
+  - job: 'PEP8'
+    pool:
+      vmImage: 'Ubuntu-16.04'
+
+    steps:
+    - task: UsePythonVersion@0
+      inputs:
+        versionSpec: '3.x'
+
+    - script: |
+        python -m pip install --upgrade pip setuptools
+        pip install flake8
+        flake8 synphot --count
+      displayName: 'PEP 8 check'
+
+  - template: azure-templates.yml
+
+- stage: Comprehensive
+  dependsOn: Initial
+  condition: succeeded()
+  jobs:
+  - job: 'Coverage'
+    pool:
+      vmImage: 'Ubuntu-16.04'
+    strategy:
+      maxParallel: 4
+
+    steps:
+    - task: UsePythonVersion@0
+
+    # NOTE: If CDBS cannot take the hit, disable --remote-data
+    - script: |
+        sudo apt-get install libxml2-utils
+        python -m pip install --upgrade pip setuptools
+        pip install numpy scipy beautifulsoup4 astropy pytest-astropy synphot codecov
+        python setup.py test --coverage --open-files --remote-data
+      displayName: 'Run tests'
+
+    - script: codecov -t $codecov_token
+      env:
+        codecov_token: $(CODECOV_TOKEN)
+        PYSYN_CDBS: http://ssb.stsci.edu/cdbs_open/cdbs/
+      displayName: 'Calculate coverage'
+
+  - template: azure-templates.yml
+    parameters:
+      name: 'LTS_Astropy'
+      numpyCmd: 'pip install numpy==1.15.4'
+      astropyCmd: 'pip install astropy==2.0.12'
+      pythonVersion: '3.6'
+
+  - template: azure-templates.yml
+    parameters:
+      name: 'Dev_Astropy'
+      astropyCmd: 'pip install git+https://github.com/astropy/astropy.git@master#egg=astropy'
+      synphotCmd: 'pip install git+https://github.com/spacetelescope/synphot_refactor.git@master#egg=synphot'
+
+  - template: azure-templates.yml
+    parameters:
+      name: 'Windows'
+      vmImage: 'vs2017-win2016'
+
+  - template: azure-templates.yml
+    parameters:
+      name: 'OSX'
+      vmImage: 'macOS-10.13'
+
+  - job: 'Doc'
+    pool:
+      vmImage: 'Ubuntu-16.04'
+
+    steps:
+    - task: UsePythonVersion@0
+      inputs:
+        versionSpec: '3.6'
+
+    - script: |
+        sudo apt-get install graphviz
+        python -m pip install --upgrade pip setuptools
+        pip install numpy scipy beautifulsoup4 matplotlib astropy sphinx-astropy synphot
+        python setup.py build_docs -w
+      displayName: 'Doc build'
+  # DEV NOTE:
+  # Not very useful like this because I have to sign in with Microsoft account,
+  # download a ZIP file, unzip on local disk, and then only I can preview the
+  # HTML pages. Was hoping for direct preview by clicking URL like CircleCI.
+  #
+  #  - task: PublishPipelineArtifact@0
+  #    inputs:
+  #      artifactName: 'htmlDocs'
+  #      targetPath: 'docs/_build/html'

azure-templates.yml

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+# Azure job template for the most common job in CI.
+
+parameters:
+  name: 'Default'  # Defaults for any parameters that aren't specified
+  vmImage: 'Ubuntu-16.04'
+  numpyCmd: 'pip install numpy'
+  astropyCmd: 'pip install astropy'
+  synphotCmd: 'pip install synphot'
+  pythonVersion: '3.7'
+
+jobs:
+- job: ${{ parameters.name }}
+  pool:
+    vmImage: ${{ parameters.vmImage }}
+  strategy:
+    maxParallel: 4
+
+  steps:
+  - task: UsePythonVersion@0
+    inputs:
+      versionSpec: ${{ parameters.pythonVersion }}
+      architecture: 'x64'
+
+  - script: |
+      sudo apt-get install libxml2-utils
+      python -m pip install --upgrade pip setuptools
+      ${{ parameters.numpyCmd }}
+      pip install scipy beautifulsoup4 pytest-astropy
+      ${{ parameters.astropyCmd }}
+      ${{ parameters.synphotCmd }}
+      python setup.py test --open-files
+    displayName: 'Run tests'