Set up CI with Azure Pipelines

[skip ci]

Author: wholmgren

azure-pipelines.yml

@@ -0,0 +1,77 @@
+# Python package
+# Create and test a Python package on multiple Python versions.
+# Add steps that analyze code, save the dist with the build record, publish to a PyPI-compatible index, and more:
+# https://docs.microsoft.com/azure/devops/pipelines/languages/python
+
+trigger:
+- master
+
+jobs:
+
+- job: 'Test_conda'
+  pool:
+    vmImage: 'ubuntu-latest'
+  strategy:
+    matrix:
+      Python27:
+        python.version: '27'
+      Python35:
+        python.version: '35'
+      Python36:
+        python.version: '36'
+      Python37:
+        python.version: '37'
+
+  steps:
+  - bash: echo "##vso[task.prependpath]/usr/share/miniconda/bin"
+    displayName: Add conda to PATH
+
+  - script: conda env create --quiet --file ci/requirements-py$(python.version).yml
+    displayName: Create Anaconda environment
+
+  - script: |
+      source activate test_env
+      pip install pytest pytest-azurepipelines
+    displayName: 'pip dependencies'
+
+  - script: |
+      source activate test_env
+      conda list
+    displayName: 'List installed dependencies'
+  - script: |
+      source activate test_env
+      pytest pvlib --junitxml=junit/test-results.xml --cov --cov-report=xml --cov-report=html
+    displayName: 'pytest'
+  - script: |
+      source activate test_env
+      flake8 pvlib
+    displayName: 'flake8'
+  - task: PublishTestResults@2
+    inputs:
+      testResultsFiles: '**/test-results.xml'
+      testRunTitle: 'Python $(python.version)'
+
+  - task: PublishCodeCoverageResults@1
+    inputs:
+      codeCoverageTool: Cobertura
+      summaryFileLocation: '$(System.DefaultWorkingDirectory)/**/coverage.xml'
+      reportDirectory: '$(System.DefaultWorkingDirectory)/**/htmlcov'
+
+  - script: |
+      bash <(curl https://codecov.io/bash) -t bbc2bdbe-5e67-4fef-9cb7-f52fe0b703a8 -f coverage.xml -F adder -F subtractor -F conda
+    displayName: 'codecov'
+
+
+- job: 'Publish'
+  dependsOn: 'Test_conda'
+  pool:
+    vmImage: 'ubuntu-latest'
+
+  steps:
+  - task: UsePythonVersion@0
+    inputs:
+      versionSpec: '3.x'
+      architecture: 'x64'
+
+  - script: python setup.py sdist
+    displayName: 'Build sdist'