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import os
import subprocess
import sys
import re
def remove_setuptools():
"""
Remove setuptools from the current environment.
"""
print("Removing setuptools")
cmd = [sys.executable, '-m', 'pip', 'uninstall', '-y', 'setuptools']
# set cwd to something other than '.' to avoid detecting
# '.' as the installed package.
subprocess.check_call(cmd, cwd=os.environ['TOX_WORK_DIR'])
def is_install_self(args):
"""
Do the args represent an install of .?
"""
def strip_extras(arg):
match = re.match(r'(.*)?\[.*\]$', arg)
return match.group(1) if match else arg
return (
'install' in args
and any(
arg in ['.', os.getcwd()]
for arg in map(strip_extras, args)
)
)
def pip(*args):
cmd = [sys.executable, '-m', 'pip'] + list(args)
return subprocess.check_call(cmd)
def test_dependencies():
from ConfigParser import ConfigParser
def clean(dep):
spec, _, _ = dep.partition('#')
return spec.strip()
parser = ConfigParser()
parser.read('setup.cfg')
raw = parser.get('options.extras_require', 'tests').split('\n')
return filter(None, map(clean, raw))
def run(args):
os.environ['PIP_USE_PEP517'] = 'true'
if is_install_self(args):
remove_setuptools()
pip(*args)
if __name__ == '__main__':
run(sys.argv[1:])
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