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Require setuptools 18.5+

This commit is contained in:
Adrián Chaves 2020-07-01 20:29:42 +02:00
parent 9279af914a
commit 017ec33ac2
1 changed files with 27 additions and 29 deletions
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56
setup.py
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@ -3,38 +3,23 @@ from pkg_resources import parse_version
from setuptools import setup, find_packages, __version__ as setuptools_version
# The first known release to support environment marker with range operators it
# is 18.5, see: https://setuptools.readthedocs.io/en/latest/history.html#id235
min_setuptools_version = '18.5'
if parse_version(setuptools_version) < parse_version(min_setuptools_version):
raise NotImplementedError(
'setuptools version {min_setuptools_version}+ is required, but '
'{setuptools_version} is installed'.format(
min_setuptools_version=min_setuptools_version,
setuptools_version=setuptools_version,
)
)
with open(join(dirname(__file__), 'scrapy/VERSION'), 'rb') as f:
version = f.read().decode('ascii').strip()
def has_environment_marker_platform_impl_support():
"""Code extracted from 'pytest/setup.py'
https://github.com/pytest-dev/pytest/blob/7538680c/setup.py#L31
The first known release to support environment marker with range operators
it is 18.5, see:
https://setuptools.readthedocs.io/en/latest/history.html#id235
"""
return parse_version(setuptools_version) >= parse_version('18.5')
extras_require = {}
if has_environment_marker_platform_impl_support():
extras_require[':platform_python_implementation == "CPython"'] = [
'lxml>=3.5.0',
]
extras_require[':platform_python_implementation == "PyPy"'] = [
# Earlier lxml versions are affected by
# https://bitbucket.org/pypy/pypy/issues/2498/cython-on-pypy-3-dict-object-has-no,
# which was fixed in Cython 0.26, released on 2017-06-19, and used to
# generate the C headers of lxml release tarballs published since then, the
# first of which was:
'lxml>=4.0.0',
'PyPyDispatcher>=2.1.0',
]
setup(
name='Scrapy',
version=version,
@ -90,5 +75,18 @@ setup(
'protego>=0.1.15',
'itemadapter>=0.1.0',
],
extras_require=extras_require,
extras_require={
':platform_python_implementation == "CPython"': [
'lxml>=3.5.0',
],
':platform_python_implementation == "PyPy"': [
# Earlier lxml versions are affected by
# https://bitbucket.org/pypy/pypy/issues/2498/cython-on-pypy-3-dict-object-has-no,
# which was fixed in Cython 0.26, released on 2017-06-19, and used to
# generate the C headers of lxml release tarballs published since then, the
# first of which was:
'lxml>=4.0.0',
'PyPyDispatcher>=2.1.0',
],
},
)