Python 3.8 wheels

[jcfr]

• Update of ninja-python-distributions CI configuration
  • AppVeyor for windows wheels.
  • TravisCI for macOS wheel.
  • CircleCI for linux wheels. Pending items listed in Add Python 3.8 Wheels #20

[thewtex]

[scikit-ci] Executing: pip install -U -r requirements-dev.txt
Collecting cmake>=0.5.0 (from -r requirements-dev.txt (line 1))
  Downloading https://files.pythonhosted.org/packages/72/7b/8d3d83f884283ddfc86ca407d10152d66b84dff5baf5ed4537c127f988cb/cmake-3.13.3.tar.gz
    Complete output from command python setup.py egg_info:
    /private/var/folders/nz/vv4_9tw56nv9k3tkvyszvwg80000gn/T/pip-install-8s0lbogu/cmake/versioneer.py:418: SyntaxWarning: invalid escape sequence \s
      LONG_VERSION_PY['git'] = '''
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/private/var/folders/nz/vv4_9tw56nv9k3tkvyszvwg80000gn/T/pip-install-8s0lbogu/cmake/setup.py", line 7, in <module>
        from skbuild import setup
    ModuleNotFoundError: No module named 'skbuild'

[codecov]

Codecov Report

Merging #21 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #21   +/-   ##
=======================================
  Coverage   86.95%   86.95%           
=======================================
  Files           1        1           
  Lines          23       23           
  Branches        3        3           
=======================================
  Hits           20       20           
  Partials        3        3

---

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[codecov]

Codecov Report

Merging #21 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #21   +/-   ##
=======================================
  Coverage   86.95%   86.95%           
=======================================
  Files           1        1           
  Lines          23       23           
  Branches        3        3           
=======================================
  Hits           20       20           
  Partials        3        3

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 0fe8e65...1d782e0. Read the comment docs.

[jcfr]

Closing. Platform specific and ABI independent wheels are being generated. See https://pypi.org/project/ninja/1.9.0.post1/ and #23