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import os
import shutil
import subprocess
import sys
from glob import glob
VIRTUAL_ENV = os.environ['VIRTUAL_ENV']
TOX_PIP_DIR = os.path.join(VIRTUAL_ENV, 'pip')
def pip(args):
# First things first, get a recent (stable) version of pip.
if not os.path.exists(TOX_PIP_DIR):
subprocess.check_call([sys.executable, '-m', 'pip',
'--disable-pip-version-check',
'install', '-t', TOX_PIP_DIR,
'pip'])
shutil.rmtree(glob(os.path.join(TOX_PIP_DIR, 'pip-*.dist-info'))[0])
# And use that version.
for n, a in enumerate(args):
if not a.startswith('-'):
if a in 'install' and '-e' in args[n:]:
args.insert(n + 1, '--no-use-pep517')
break
subprocess.check_call([sys.executable, os.path.join(TOX_PIP_DIR, 'pip')] + args)
if __name__ == '__main__':
pip(sys.argv[1:])
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