gistfile1.txt

jaraco.functools master $ tox -e py27                                                                                                                                                    
py27 recreate: /Users/jaraco/code/main/jaraco.functools/.tox/py27
py27 installdeps: setuptools>=31.0.1
py27 develop-inst: /Users/jaraco/code/main/jaraco.functools
py27 installed: DEPRECATION: Python 2.7 will reach the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 won't be maintained after that date. A future version of pip will drop support for Python 2.7.,atomicwrites==1.2.1,attrs==18.2.0,backports.functools-lru-cache==1.5,backports.unittest-mock==1.4,configparser==3.7.1,contextlib2==0.5.5,docutils==0.14,enum34==1.1.6,flake8==3.6.0,funcsigs==1.0.2,importlib-metadata==0.8,jaraco.classes==2.0,-e git+gh://jaraco/jaraco.functools@d84738ac9f0fcc7a6f175a9873f63a70b87881c4#egg=jaraco.functools,mccabe==0.6.1,mock==2.0.0,more-itertools==5.0.0,pathlib2==2.3.3,pbr==5.1.1,pluggy==0.8.1,py==1.7.0,pycodestyle==2.4.0,pyflakes==2.0.0,pytest==4.1.1,pytest-checkdocs==1.1.1,pytest-flake8==1.0.3,scandir==1.9.0,six==1.12.0,zipp==0.3.3
py27 run-test-pre: PYTHONHASHSEED='425222488'
py27 runtests: commands[0] | pytest
================================================================================== test session starts ==================================================================================
platform darwin -- Python 2.7.15, pytest-4.1.1, py-1.7.0, pluggy-0.8.1
cachedir: .tox/py27/.pytest_cache
rootdir: /Users/jaraco/code/main/jaraco.functools, inifile: pytest.ini
plugins: flake8-1.0.3, checkdocs-1.1.1, backports.unittest-mock-1.4
collected 37 items                                                                                                                                                                      

setup.py ..                                                                                                                                                                       [  5%]
test_functools.py ......xx............                                                                                                                                            [ 59%]
docs/conf.py .                                                                                                                                                                    [ 62%]
jaraco/__init__.py .                                                                                                                                                              [ 64%]
jaraco/functools.py .............                                                                                                                                                 [100%]

========================================================================= 35 passed, 2 xfailed in 4.24 seconds ==========================================================================
________________________________________________________________________________________ summary ________________________________________________________________________________________
  py27: commands succeeded
  congratulations :)
jaraco.functools master $ .tox/py27/bin/pip -V                                                                                                                                           
pip 19.0.1 from /Users/jaraco/code/main/jaraco.functools/.tox/py27/lib/python2.7/site-packages/pip (python 2.7)
jaraco.functools master $ cat pyproject.toml                                                                                                                                             
[build-system]
requires = ["setuptools>=34.4", "wheel", "setuptools_scm>=1.15"]
build-backend = "setuptools.build_meta"