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Don't try to run tox from setup.py

Using tox to run the tests is a bad idea, as per the comments.
This commit is contained in:
Richard van der Hoff 2016-12-09 16:19:46 +00:00
parent 4a9c38bfa3
commit af32d3b773

View file

@ -16,10 +16,37 @@
import glob import glob
import os import os
from setuptools import setup, find_packages, Command from setuptools import setup, find_packages
import sys import sys
# Some notes on `setup.py test`:
#
# Once upon a time we used to try to make `setup.py test` run `tox` to run the
# tests. That's a bad idea for three reasons:
#
# 1: `setup.py test` is supposed to find out whether the tests work in the
# *current* environmentt, not whatever tox sets up.
# 2: Empirically, trying to install tox during the test run wasn't working ("No
# module named virtualenv").
# 3: The tox documentation advises against it[1].
#
# Even further back in time, we used to use setuptools_trial [2]. That has its
# own set of issues: for instance, it requires installation of Twisted to build
# an sdist (because the recommended mode of usage is to add it to
# `setup_requires`). That in turn means that in order to successfully run tox
# you have to have the python header files installed for whichever version of
# python tox uses (which is python3 on recent ubuntus, for example).
#
# So, for now at least, we stick with what appears to be the convention among
# Twisted projects, and don't attempt to do anything when someone runs
# `setup.py test`; instead we direct people to run `trial` directly if they
# care.
#
# [1]: http://tox.readthedocs.io/en/2.5.0/example/basic.html#integration-with-setup-py-test-command
# [2]: https://pypi.python.org/pypi/setuptools_trial
here = os.path.abspath(os.path.dirname(__file__)) here = os.path.abspath(os.path.dirname(__file__))
@ -39,38 +66,6 @@ def exec_file(path_segments):
return result return result
class Tox(Command):
user_options = [('tox-args=', 'a', "Arguments to pass to tox")]
def initialize_options(self):
self.tox_args = None
def finalize_options(self):
self.test_args = []
self.test_suite = True
def run(self):
#import here, cause outside the eggs aren't loaded
try:
import tox
except ImportError:
try:
self.distribution.fetch_build_eggs("tox")
import tox
except:
raise RuntimeError(
"The tests need 'tox' to run. Please install 'tox'."
)
import shlex
args = self.tox_args
if args:
args = shlex.split(self.tox_args)
else:
args = []
errno = tox.cmdline(args=args)
sys.exit(errno)
version = exec_file(("synapse", "__init__.py"))["__version__"] version = exec_file(("synapse", "__init__.py"))["__version__"]
dependencies = exec_file(("synapse", "python_dependencies.py")) dependencies = exec_file(("synapse", "python_dependencies.py"))
long_description = read_file(("README.rst",)) long_description = read_file(("README.rst",))
@ -86,5 +81,4 @@ setup(
zip_safe=False, zip_safe=False,
long_description=long_description, long_description=long_description,
scripts=["synctl"] + glob.glob("scripts/*"), scripts=["synctl"] + glob.glob("scripts/*"),
cmdclass={'test': Tox},
) )