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[3.7] Improves the ability to build in CI (GH-5729)

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Miss Islington (bot) 2018-02-17 19:31:37 -08:00 • committed by Steve Dower
parent d5be8e13b0
commit fa9a502a38
5 changed files with 21 additions and 12 deletions
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9
Lib/test/support/script_helper.py
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@ -36,6 +36,11 @@ def interpreter_requires_environment():
"""
global __cached_interp_requires_environment
if __cached_interp_requires_environment is None:
# If PYTHONHOME is set, assume that we need it
if 'PYTHONHOME' in os.environ:
__cached_interp_requires_environment = True
return True
# Try running an interpreter with -E to see if it works or not.
try:
subprocess.check_call([sys.executable, '-E',
@ -166,7 +171,9 @@ def spawn_python(*args, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, **kw):
kw is extra keyword args to pass to subprocess.Popen. Returns a Popen
object.
"""
cmd_line = [sys.executable, '-E']
cmd_line = [sys.executable]
if not interpreter_requires_environment():
cmd_line.append('-E')
cmd_line.extend(args)
# Under Fedora (?), GNU readline can output junk on stderr when initialized,
# depending on the TERM setting. Setting TERM=vt100 is supposed to disable