def _update_last_spec(last):
captured = last.captured
last.last_in_pipeline = True
if not captured:
return
callable_alias = callable(last.alias)
if callable_alias:
pass
else:
thable = (last.stdin is not None) or \
builtins.__xonsh_commands_cache__.predict_threadable(last.args)
if captured and thable:
last.cls = PopenThread
elif not thable:
# foreground processes should use Popen and not pipe stdout, stderr
last.threadable = False
return
# cannot used PTY pipes for aliases, for some dark reason,
# and must use normal pipes instead.
use_tty = ON_POSIX and not callable_alias
# Do not set standard in! Popen is not a fan of redirections here
# set standard out
if last.stdout is not None:
last.universal_newlines = True
elif captured in STDOUT_CAPTURE_KINDS:
last.universal_newlines = False
r, w = os.pipe()
last.stdout = safe_open(w, 'wb')
last.captured_stdout = safe_open(r, 'rb')
elif builtins.__xonsh_stdout_uncaptured__ is not None:
last.universal_newlines = True
last.stdout = builtins.__xonsh_stdout_uncaptured__
last.captured_stdout = last.stdout
elif ON_WINDOWS and not callable_alias:
last.universal_newlines = True
last.stdout = None # must truly stream on windows
last.captured_stdout = ConsoleParallelReader(1)
else:
last.universal_newlines = True
r, w = pty.openpty() if use_tty else os.pipe()
last.stdout = safe_open(w, 'w')
last.captured_stdout = safe_open(r, 'r')
# set standard error
if last.stderr is not None:
pass
elif captured == 'object':
r, w = os.pipe()
last.stderr = safe_open(w, 'w')
last.captured_stderr = safe_open(r, 'r')
elif builtins.__xonsh_stderr_uncaptured__ is not None:
last.stderr = builtins.__xonsh_stderr_uncaptured__
last.captured_stderr = last.stderr
elif ON_WINDOWS and not callable_alias:
last.universal_newlines = True
last.stderr = None # must truly stream on windows
else:
r, w = pty.openpty() if use_tty else os.pipe()
last.stderr = safe_open(w, 'w')
last.captured_stderr = safe_open(r, 'r')
def _update_last_spec(last):
env = builtins.__xonsh__.env
captured = last.captured
last.last_in_pipeline = True
if not captured:
return
callable_alias = callable(last.alias)
if callable_alias:
pass
else:
cmds_cache = builtins.__xonsh__.commands_cache
thable = (env.get("THREAD_SUBPROCS")
and cmds_cache.predict_threadable(last.args)
and cmds_cache.predict_threadable(last.cmd))
if captured and thable:
last.cls = PopenThread
elif not thable:
# foreground processes should use Popen
last.threadable = False
if captured == "object" or captured == "hiddenobject":
# CommandPipeline objects should not pipe stdout, stderr
return
# cannot used PTY pipes for aliases, for some dark reason,
# and must use normal pipes instead.
use_tty = ON_POSIX and not callable_alias
# Do not set standard in! Popen is not a fan of redirections here
# set standard out
if last.stdout is not None:
last.universal_newlines = True
elif captured in STDOUT_CAPTURE_KINDS:
last.universal_newlines = False
r, w = os.pipe()
last.stdout = safe_open(w, "wb")
last.captured_stdout = safe_open(r, "rb")
elif builtins.__xonsh__.stdout_uncaptured is not None:
last.universal_newlines = True
last.stdout = builtins.__xonsh__.stdout_uncaptured
last.captured_stdout = last.stdout
elif ON_WINDOWS and not callable_alias:
last.universal_newlines = True
last.stdout = None # must truly stream on windows
last.captured_stdout = ConsoleParallelReader(1)
else:
last.universal_newlines = True
r, w = pty.openpty() if use_tty else os.pipe()
_safe_pipe_properties(w, use_tty=use_tty)
last.stdout = safe_open(w, "w")
_safe_pipe_properties(r, use_tty=use_tty)
last.captured_stdout = safe_open(r, "r")
# set standard error
if last.stderr is not None:
pass
elif captured == "object":
r, w = os.pipe()
last.stderr = safe_open(w, "w")
last.captured_stderr = safe_open(r, "r")
elif builtins.__xonsh__.stderr_uncaptured is not None:
last.stderr = builtins.__xonsh__.stderr_uncaptured
last.captured_stderr = last.stderr
elif ON_WINDOWS and not callable_alias:
last.universal_newlines = True
last.stderr = None # must truly stream on windows
else:
r, w = pty.openpty() if use_tty else os.pipe()
_safe_pipe_properties(w, use_tty=use_tty)
last.stderr = safe_open(w, "w")
_safe_pipe_properties(r, use_tty=use_tty)
last.captured_stderr = safe_open(r, "r")
# redirect stdout to stderr, if we should
if isinstance(last.stdout, int) and last.stdout == 2:
# need to use private interface to avoid duplication.
last._stdout = last.stderr
# redirect stderr to stdout, if we should
if callable_alias and last.stderr == subprocess.STDOUT:
last._stderr = last.stdout
last.captured_stderr = last.captured_stdout