42 lines
1.2 KiB
Diff
42 lines
1.2 KiB
Diff
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--- a/Lib/subprocess.py
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+++ b/Lib/subprocess.py
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@@ -491,6 +491,38 @@ def _eintr_retry_call(func, *args):
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raise
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+# XXX This function is only used by multiprocessing and the test suite,
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+# but it's here so that it can be imported when Python is compiled without
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+# threads.
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+
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+def _args_from_interpreter_flags():
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+ """Return a list of command-line arguments reproducing the current
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+ settings in sys.flags and sys.warnoptions."""
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+ flag_opt_map = {
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+ 'debug': 'd',
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+ # 'inspect': 'i',
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+ # 'interactive': 'i',
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+ 'optimize': 'O',
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+ 'dont_write_bytecode': 'B',
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+ 'no_user_site': 's',
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+ 'no_site': 'S',
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+ 'ignore_environment': 'E',
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+ 'verbose': 'v',
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+ 'bytes_warning': 'b',
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+ 'py3k_warning': '3',
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+ }
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+ args = []
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+ for flag, opt in flag_opt_map.items():
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+ v = getattr(sys.flags, flag)
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+ if v > 0:
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+ args.append('-' + opt * v)
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+ if getattr(sys.flags, 'hash_randomization') != 0:
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+ args.append('-R')
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+ for opt in sys.warnoptions:
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+ args.append('-W' + opt)
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+ return args
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+
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+
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def call(*popenargs, **kwargs):
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"""Run command with arguments. Wait for command to complete, then
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return the returncode attribute.
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