Merge pull request #4179 from ales-erjavec/pyproject

[ENH] Add pyproject.toml

Author: janezd

MANIFEST.in

@@ -23,3 +23,4 @@ include COPYING
 include LICENSE
 include setup.py
 include setup.cfg
+include pyproject.toml

appveyor.yml

@@ -15,10 +15,7 @@ matrix:
 environment:
   global:
     PIP_DISABLE_PIP_VERSION_CHECK: 1
-    # disable threaded builds on Python 3.5+ when using numpy's distutils
-    # (https://github.com/numpy/numpy/issues/7607)
-    BUILD_GLOBAL_OPTIONS: build -j1
-    BUILD_ENV: wheel==0.29.0 pip~=19.0 numpy==1.13.* -r requirements-doc.txt
+    BUILD_ENV: wheel==0.29.0 pip~=19.0
     # SIP 4.19.4+ with PyQt5==5.9.1+ segfault our tests (GH-2756)
     TEST_ENV: sip==4.19.6 PyQt5==5.9.2 numpy>=1.16.0 scipy~=1.0.0 scikit-learn pandas==0.21.1 pymssql
     ORANGE_TEST_DB_URI: 'mssql://sa:Password12!@localhost:1433'
@@ -51,7 +48,7 @@ build_script:
   - python setup.py clean --all
   # get the package version
   - for /f %%f in ('python setup.py --version') do ( set "VERSION=%%f" )
-  - python setup.py %BUILD_GLOBAL_OPTIONS% bdist_wheel
+  - python -m pip wheel --no-deps -w dist ./
 
 test_script:
   - python -m venv --clear build\.test

pyproject.toml

@@ -0,0 +1,8 @@
+[build-system]
+requires = [
+    "setuptools>=40.8.0",
+    "wheel",
+    "numpy==1.14.5; python_version=='3.6'",
+    "numpy==1.14.5; python_version=='3.7'",
+    "numpy==1.17.3; python_version=='3.8'",
+]