version: 2.3.2.{build}

image: Visual Studio 2015
platform: x64
configuration:  # a trick to construct a build matrix with multiple Python versions
  - 3.7

environment:
  matrix:
    - COMPILER: MSVC
    - COMPILER: MINGW

clone_depth: 5

install:
  - git submodule update --init --recursive  # get `compute` folder
  - set PATH=%PATH:C:\Program Files\Git\usr\bin;=%  # delete sh.exe from PATH (mingw32-make fix)
  - set PATH=C:\mingw-w64\x86_64-8.1.0-posix-seh-rt_v6-rev0\mingw64\bin;%PATH%
  - set PYTHON_VERSION=%CONFIGURATION%
  - ps: >-
      switch ($env:PYTHON_VERSION) {
          "2.7" {$env:MINICONDA = """C:\Miniconda-x64"""}
          "3.5" {$env:MINICONDA = """C:\Miniconda35-x64"""}
          "3.6" {$env:MINICONDA = """C:\Miniconda36-x64"""}
          "3.7" {$env:MINICONDA = """C:\Miniconda37-x64"""}
          default {$env:MINICONDA = """C:\Miniconda37-x64"""}
      }
  - set PATH=%MINICONDA%;%MINICONDA%\Scripts;%PATH%
  - ps: $env:LGB_VER = (Get-Content VERSION.txt).trim()
  - activate
  - conda config --set always_yes yes --set changeps1 no
  - conda update -q -y conda
  - conda create -q -y -n test-env python=%PYTHON_VERSION% joblib matplotlib numpy pandas psutil pytest python-graphviz "scikit-learn<=0.21.3" scipy
  - activate test-env

build_script:
  - cd %APPVEYOR_BUILD_FOLDER%\python-package
  - IF "%COMPILER%"=="MINGW" (
    python setup.py install --mingw)
    ELSE (
    python setup.py install)

test_script:
  - pytest %APPVEYOR_BUILD_FOLDER%\tests\python_package_test
  - cd %APPVEYOR_BUILD_FOLDER%\examples\python-guide
  - ps: >-
      @("import matplotlib", "matplotlib.use('Agg')") + (Get-Content "plot_example.py") | Set-Content "plot_example.py"  # prevent interactive window mode
      (Get-Content "plot_example.py").replace('graph.render(view=True)', 'graph.render(view=False)') | Set-Content "plot_example.py"
  - ps: >-
      foreach ($file in @(Get-ChildItem *.py)) {
        @("import sys, warnings", "warnings.showwarning = lambda message, category, filename, lineno, file=None, line=None: sys.stdout.write(warnings.formatwarning(message, category, filename, lineno, line))") + (Get-Content $file) | Set-Content $file
        python $file
        if (!$?) { $host.SetShouldExit(-1) }
      }  # run all examples
  - cd %APPVEYOR_BUILD_FOLDER%\examples\python-guide\notebooks
  - conda install -q -y -n test-env ipywidgets notebook
  - jupyter nbconvert --ExecutePreprocessor.timeout=180 --to notebook --execute --inplace *.ipynb  # run all notebooks
