Create new Popen instance.
(self, args, bufsize=-1, executable=None,
stdin=None, stdout=None, stderr=None,
preexec_fn=None, close_fds=True,
shell=False, cwd=None, env=None, universal_newlines=None,
startupinfo=None, creationflags=0,
restore_signals=True, start_new_session=False,
pass_fds=(), *, user=None, group=None, extra_groups=None,
encoding=None, errors=None, text=None, umask=-1, pipesize=-1,
process_group=None)
| 805 | _child_created = False # Set here since __del__ checks it |
| 806 | |
| 807 | def __init__(self, args, bufsize=-1, executable=None, |
| 808 | stdin=None, stdout=None, stderr=None, |
| 809 | preexec_fn=None, close_fds=True, |
| 810 | shell=False, cwd=None, env=None, universal_newlines=None, |
| 811 | startupinfo=None, creationflags=0, |
| 812 | restore_signals=True, start_new_session=False, |
| 813 | pass_fds=(), *, user=None, group=None, extra_groups=None, |
| 814 | encoding=None, errors=None, text=None, umask=-1, pipesize=-1, |
| 815 | process_group=None): |
| 816 | """Create new Popen instance.""" |
| 817 | if not _can_fork_exec: |
| 818 | raise OSError( |
| 819 | errno.ENOTSUP, f"{sys.platform} does not support processes." |
| 820 | ) |
| 821 | |
| 822 | _cleanup() |
| 823 | # Held while anything is calling waitpid before returncode has been |
| 824 | # updated to prevent clobbering returncode if wait() or poll() are |
| 825 | # called from multiple threads at once. After acquiring the lock, |
| 826 | # code must re-check self.returncode to see if another thread just |
| 827 | # finished a waitpid() call. |
| 828 | self._waitpid_lock = threading.Lock() |
| 829 | |
| 830 | self._input = None |
| 831 | self._communication_started = False |
| 832 | if bufsize is None: |
| 833 | bufsize = -1 # Restore default |
| 834 | if not isinstance(bufsize, int): |
| 835 | raise TypeError("bufsize must be an integer") |
| 836 | |
| 837 | if pipesize is None: |
| 838 | pipesize = -1 # Restore default |
| 839 | if not isinstance(pipesize, int): |
| 840 | raise TypeError("pipesize must be an integer") |
| 841 | |
| 842 | if _mswindows: |
| 843 | if preexec_fn is not None: |
| 844 | raise ValueError("preexec_fn is not supported on Windows " |
| 845 | "platforms") |
| 846 | else: |
| 847 | # POSIX |
| 848 | if pass_fds and not close_fds: |
| 849 | warnings.warn("pass_fds overriding close_fds.", RuntimeWarning) |
| 850 | close_fds = True |
| 851 | if startupinfo is not None: |
| 852 | raise ValueError("startupinfo is only supported on Windows " |
| 853 | "platforms") |
| 854 | if creationflags != 0: |
| 855 | raise ValueError("creationflags is only supported on Windows " |
| 856 | "platforms") |
| 857 | |
| 858 | self.args = args |
| 859 | self.stdin = None |
| 860 | self.stdout = None |
| 861 | self.stderr = None |
| 862 | self.pid = None |
| 863 | self.returncode = None |
| 864 | self.encoding = encoding |
nothing calls this directly
no test coverage detected