Python tornado.ioloop.set_blocking_log_threshold() Examples
The following are 13
code examples of tornado.ioloop.set_blocking_log_threshold().
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Example #1
| Source File: autoreload.py From tornado-zh with MIT License | 4 votes |
|
def _reload():
global _reload_attempted
_reload_attempted = True
for fn in _reload_hooks:
fn()
if hasattr(signal, "setitimer"):
# Clear the alarm signal set by
# ioloop.set_blocking_log_threshold so it doesn't fire
# after the exec.
signal.setitimer(signal.ITIMER_REAL, 0, 0)
# sys.path fixes: see comments at top of file. If sys.path[0] is an empty
# string, we were (probably) invoked with -m and the effective path
# is about to change on re-exec. Add the current directory to $PYTHONPATH
# to ensure that the new process sees the same path we did.
path_prefix = '.' + os.pathsep
if (sys.path[0] == '' and
not os.environ.get("PYTHONPATH", "").startswith(path_prefix)):
os.environ["PYTHONPATH"] = (path_prefix +
os.environ.get("PYTHONPATH", ""))
if not _has_execv:
subprocess.Popen([sys.executable] + sys.argv)
sys.exit(0)
else:
try:
os.execv(sys.executable, [sys.executable] + sys.argv)
except OSError:
# Mac OS X versions prior to 10.6 do not support execv in
# a process that contains multiple threads. Instead of
# re-executing in the current process, start a new one
# and cause the current process to exit. This isn't
# ideal since the new process is detached from the parent
# terminal and thus cannot easily be killed with ctrl-C,
# but it's better than not being able to autoreload at
# all.
# Unfortunately the errno returned in this case does not
# appear to be consistent, so we can't easily check for
# this error specifically.
os.spawnv(os.P_NOWAIT, sys.executable,
[sys.executable] + sys.argv)
# At this point the IOLoop has been closed and finally
# blocks will experience errors if we allow the stack to
# unwind, so just exit uncleanly.
os._exit(0)
Example #2
| Source File: autoreload.py From tornado-zh with MIT License | 4 votes |
|
def _reload():
global _reload_attempted
_reload_attempted = True
for fn in _reload_hooks:
fn()
if hasattr(signal, "setitimer"):
# Clear the alarm signal set by
# ioloop.set_blocking_log_threshold so it doesn't fire
# after the exec.
signal.setitimer(signal.ITIMER_REAL, 0, 0)
# sys.path fixes: see comments at top of file. If sys.path[0] is an empty
# string, we were (probably) invoked with -m and the effective path
# is about to change on re-exec. Add the current directory to $PYTHONPATH
# to ensure that the new process sees the same path we did.
path_prefix = '.' + os.pathsep
if (sys.path[0] == '' and
not os.environ.get("PYTHONPATH", "").startswith(path_prefix)):
os.environ["PYTHONPATH"] = (path_prefix +
os.environ.get("PYTHONPATH", ""))
if not _has_execv:
subprocess.Popen([sys.executable] + sys.argv)
sys.exit(0)
else:
try:
os.execv(sys.executable, [sys.executable] + sys.argv)
except OSError:
# Mac OS X versions prior to 10.6 do not support execv in
# a process that contains multiple threads. Instead of
# re-executing in the current process, start a new one
# and cause the current process to exit. This isn't
# ideal since the new process is detached from the parent
# terminal and thus cannot easily be killed with ctrl-C,
# but it's better than not being able to autoreload at
# all.
# Unfortunately the errno returned in this case does not
# appear to be consistent, so we can't easily check for
# this error specifically.
os.spawnv(os.P_NOWAIT, sys.executable,
[sys.executable] + sys.argv)
# At this point the IOLoop has been closed and finally
# blocks will experience errors if we allow the stack to
# unwind, so just exit uncleanly.
os._exit(0)
Example #3
| Source File: autoreload.py From opendevops with GNU General Public License v3.0 | 4 votes |
|
def _reload() -> None:
global _reload_attempted
_reload_attempted = True
for fn in _reload_hooks:
fn()
if hasattr(signal, "setitimer"):
# Clear the alarm signal set by
# ioloop.set_blocking_log_threshold so it doesn't fire
# after the exec.
signal.setitimer(signal.ITIMER_REAL, 0, 0)
# sys.path fixes: see comments at top of file. If __main__.__spec__
# exists, we were invoked with -m and the effective path is about to
# change on re-exec. Reconstruct the original command line to
# ensure that the new process sees the same path we did. If
# __spec__ is not available (Python < 3.4), check instead if
# sys.path[0] is an empty string and add the current directory to
# $PYTHONPATH.
if _autoreload_is_main:
assert _original_argv is not None
spec = _original_spec
argv = _original_argv
else:
spec = getattr(sys.modules["__main__"], "__spec__", None)
argv = sys.argv
if spec:
argv = ["-m", spec.name] + argv[1:]
else:
path_prefix = "." + os.pathsep
if sys.path[0] == "" and not os.environ.get("PYTHONPATH", "").startswith(
path_prefix
):
os.environ["PYTHONPATH"] = path_prefix + os.environ.get("PYTHONPATH", "")
if not _has_execv:
subprocess.Popen([sys.executable] + argv)
os._exit(0)
else:
try:
os.execv(sys.executable, [sys.executable] + argv)
except OSError:
# Mac OS X versions prior to 10.6 do not support execv in
# a process that contains multiple threads. Instead of
# re-executing in the current process, start a new one
# and cause the current process to exit. This isn't
# ideal since the new process is detached from the parent
# terminal and thus cannot easily be killed with ctrl-C,
# but it's better than not being able to autoreload at
# all.
# Unfortunately the errno returned in this case does not
# appear to be consistent, so we can't easily check for
# this error specifically.
os.spawnv( # type: ignore
os.P_NOWAIT, sys.executable, [sys.executable] + argv
)
# At this point the IOLoop has been closed and finally
# blocks will experience errors if we allow the stack to
# unwind, so just exit uncleanly.
os._exit(0)
Example #4
| Source File: autoreload.py From viewfinder with Apache License 2.0 | 4 votes |
|
def _reload():
global _reload_attempted
_reload_attempted = True
for fn in _reload_hooks:
fn()
if hasattr(signal, "setitimer"):
# Clear the alarm signal set by
# ioloop.set_blocking_log_threshold so it doesn't fire
# after the exec.
signal.setitimer(signal.ITIMER_REAL, 0, 0)
# sys.path fixes: see comments at top of file. If sys.path[0] is an empty
# string, we were (probably) invoked with -m and the effective path
# is about to change on re-exec. Add the current directory to $PYTHONPATH
# to ensure that the new process sees the same path we did.
path_prefix = '.' + os.pathsep
if (sys.path[0] == '' and
not os.environ.get("PYTHONPATH", "").startswith(path_prefix)):
os.environ["PYTHONPATH"] = (path_prefix +
os.environ.get("PYTHONPATH", ""))
if sys.platform == 'win32':
# os.execv is broken on Windows and can't properly parse command line
# arguments and executable name if they contain whitespaces. subprocess
# fixes that behavior.
subprocess.Popen([sys.executable] + sys.argv)
sys.exit(0)
else:
try:
os.execv(sys.executable, [sys.executable] + sys.argv)
except OSError:
# Mac OS X versions prior to 10.6 do not support execv in
# a process that contains multiple threads. Instead of
# re-executing in the current process, start a new one
# and cause the current process to exit. This isn't
# ideal since the new process is detached from the parent
# terminal and thus cannot easily be killed with ctrl-C,
# but it's better than not being able to autoreload at
# all.
# Unfortunately the errno returned in this case does not
# appear to be consistent, so we can't easily check for
# this error specifically.
os.spawnv(os.P_NOWAIT, sys.executable,
[sys.executable] + sys.argv)
sys.exit(0)
Example #5
| Source File: autoreload.py From viewfinder with Apache License 2.0 | 4 votes |
|
def _reload():
global _reload_attempted
_reload_attempted = True
for fn in _reload_hooks:
fn()
if hasattr(signal, "setitimer"):
# Clear the alarm signal set by
# ioloop.set_blocking_log_threshold so it doesn't fire
# after the exec.
signal.setitimer(signal.ITIMER_REAL, 0, 0)
# sys.path fixes: see comments at top of file. If sys.path[0] is an empty
# string, we were (probably) invoked with -m and the effective path
# is about to change on re-exec. Add the current directory to $PYTHONPATH
# to ensure that the new process sees the same path we did.
path_prefix = '.' + os.pathsep
if (sys.path[0] == '' and
not os.environ.get("PYTHONPATH", "").startswith(path_prefix)):
os.environ["PYTHONPATH"] = (path_prefix +
os.environ.get("PYTHONPATH", ""))
if sys.platform == 'win32':
# os.execv is broken on Windows and can't properly parse command line
# arguments and executable name if they contain whitespaces. subprocess
# fixes that behavior.
subprocess.Popen([sys.executable] + sys.argv)
sys.exit(0)
else:
try:
os.execv(sys.executable, [sys.executable] + sys.argv)
except OSError:
# Mac OS X versions prior to 10.6 do not support execv in
# a process that contains multiple threads. Instead of
# re-executing in the current process, start a new one
# and cause the current process to exit. This isn't
# ideal since the new process is detached from the parent
# terminal and thus cannot easily be killed with ctrl-C,
# but it's better than not being able to autoreload at
# all.
# Unfortunately the errno returned in this case does not
# appear to be consistent, so we can't easily check for
# this error specifically.
os.spawnv(os.P_NOWAIT, sys.executable,
[sys.executable] + sys.argv)
sys.exit(0)
Example #6
| Source File: autoreload.py From teleport with Apache License 2.0 | 4 votes |
|
def _reload():
global _reload_attempted
_reload_attempted = True
for fn in _reload_hooks:
fn()
if hasattr(signal, "setitimer"):
# Clear the alarm signal set by
# ioloop.set_blocking_log_threshold so it doesn't fire
# after the exec.
signal.setitimer(signal.ITIMER_REAL, 0, 0)
# sys.path fixes: see comments at top of file. If __main__.__spec__
# exists, we were invoked with -m and the effective path is about to
# change on re-exec. Reconstruct the original command line to
# ensure that the new process sees the same path we did. If
# __spec__ is not available (Python < 3.4), check instead if
# sys.path[0] is an empty string and add the current directory to
# $PYTHONPATH.
if _autoreload_is_main:
spec = _original_spec
argv = _original_argv
else:
spec = getattr(sys.modules['__main__'], '__spec__', None)
argv = sys.argv
if spec:
argv = ['-m', spec.name] + argv[1:]
else:
path_prefix = '.' + os.pathsep
if (sys.path[0] == '' and
not os.environ.get("PYTHONPATH", "").startswith(path_prefix)):
os.environ["PYTHONPATH"] = (path_prefix +
os.environ.get("PYTHONPATH", ""))
if not _has_execv:
subprocess.Popen([sys.executable] + argv)
os._exit(0)
else:
try:
os.execv(sys.executable, [sys.executable] + argv)
except OSError:
# Mac OS X versions prior to 10.6 do not support execv in
# a process that contains multiple threads. Instead of
# re-executing in the current process, start a new one
# and cause the current process to exit. This isn't
# ideal since the new process is detached from the parent
# terminal and thus cannot easily be killed with ctrl-C,
# but it's better than not being able to autoreload at
# all.
# Unfortunately the errno returned in this case does not
# appear to be consistent, so we can't easily check for
# this error specifically.
os.spawnv(os.P_NOWAIT, sys.executable, [sys.executable] + argv)
# At this point the IOLoop has been closed and finally
# blocks will experience errors if we allow the stack to
# unwind, so just exit uncleanly.
os._exit(0)
Example #7
| Source File: autoreload.py From teleport with Apache License 2.0 | 4 votes |
|
def _reload() -> None:
global _reload_attempted
_reload_attempted = True
for fn in _reload_hooks:
fn()
if hasattr(signal, "setitimer"):
# Clear the alarm signal set by
# ioloop.set_blocking_log_threshold so it doesn't fire
# after the exec.
signal.setitimer(signal.ITIMER_REAL, 0, 0)
# sys.path fixes: see comments at top of file. If __main__.__spec__
# exists, we were invoked with -m and the effective path is about to
# change on re-exec. Reconstruct the original command line to
# ensure that the new process sees the same path we did. If
# __spec__ is not available (Python < 3.4), check instead if
# sys.path[0] is an empty string and add the current directory to
# $PYTHONPATH.
if _autoreload_is_main:
assert _original_argv is not None
spec = _original_spec
argv = _original_argv
else:
spec = getattr(sys.modules["__main__"], "__spec__", None)
argv = sys.argv
if spec:
argv = ["-m", spec.name] + argv[1:]
else:
path_prefix = "." + os.pathsep
if sys.path[0] == "" and not os.environ.get("PYTHONPATH", "").startswith(
path_prefix
):
os.environ["PYTHONPATH"] = path_prefix + os.environ.get("PYTHONPATH", "")
if not _has_execv:
subprocess.Popen([sys.executable] + argv)
os._exit(0)
else:
try:
os.execv(sys.executable, [sys.executable] + argv)
except OSError:
# Mac OS X versions prior to 10.6 do not support execv in
# a process that contains multiple threads. Instead of
# re-executing in the current process, start a new one
# and cause the current process to exit. This isn't
# ideal since the new process is detached from the parent
# terminal and thus cannot easily be killed with ctrl-C,
# but it's better than not being able to autoreload at
# all.
# Unfortunately the errno returned in this case does not
# appear to be consistent, so we can't easily check for
# this error specifically.
os.spawnv( # type: ignore
os.P_NOWAIT, sys.executable, [sys.executable] + argv
)
# At this point the IOLoop has been closed and finally
# blocks will experience errors if we allow the stack to
# unwind, so just exit uncleanly.
os._exit(0)
Example #8
| Source File: autoreload.py From teleport with Apache License 2.0 | 4 votes |
|
def _reload() -> None:
global _reload_attempted
_reload_attempted = True
for fn in _reload_hooks:
fn()
if hasattr(signal, "setitimer"):
# Clear the alarm signal set by
# ioloop.set_blocking_log_threshold so it doesn't fire
# after the exec.
signal.setitimer(signal.ITIMER_REAL, 0, 0)
# sys.path fixes: see comments at top of file. If __main__.__spec__
# exists, we were invoked with -m and the effective path is about to
# change on re-exec. Reconstruct the original command line to
# ensure that the new process sees the same path we did. If
# __spec__ is not available (Python < 3.4), check instead if
# sys.path[0] is an empty string and add the current directory to
# $PYTHONPATH.
if _autoreload_is_main:
assert _original_argv is not None
spec = _original_spec
argv = _original_argv
else:
spec = getattr(sys.modules["__main__"], "__spec__", None)
argv = sys.argv
if spec:
argv = ["-m", spec.name] + argv[1:]
else:
path_prefix = "." + os.pathsep
if sys.path[0] == "" and not os.environ.get("PYTHONPATH", "").startswith(
path_prefix
):
os.environ["PYTHONPATH"] = path_prefix + os.environ.get("PYTHONPATH", "")
if not _has_execv:
subprocess.Popen([sys.executable] + argv)
os._exit(0)
else:
try:
os.execv(sys.executable, [sys.executable] + argv)
except OSError:
# Mac OS X versions prior to 10.6 do not support execv in
# a process that contains multiple threads. Instead of
# re-executing in the current process, start a new one
# and cause the current process to exit. This isn't
# ideal since the new process is detached from the parent
# terminal and thus cannot easily be killed with ctrl-C,
# but it's better than not being able to autoreload at
# all.
# Unfortunately the errno returned in this case does not
# appear to be consistent, so we can't easily check for
# this error specifically.
os.spawnv( # type: ignore
os.P_NOWAIT, sys.executable, [sys.executable] + argv
)
# At this point the IOLoop has been closed and finally
# blocks will experience errors if we allow the stack to
# unwind, so just exit uncleanly.
os._exit(0)
Example #9
| Source File: autoreload.py From zulip with Apache License 2.0 | 4 votes |
|
def _reload():
global _reload_attempted
_reload_attempted = True
for fn in _reload_hooks:
fn()
# Make sure any output from reload hooks makes it to stdout.
sys.stdout.flush()
if hasattr(signal, "setitimer"):
# Clear the alarm signal set by
# ioloop.set_blocking_log_threshold so it doesn't fire
# after the exec.
signal.setitimer(signal.ITIMER_REAL, 0, 0)
# sys.path fixes: see comments at top of file. If sys.path[0] is an empty
# string, we were (probably) invoked with -m and the effective path
# is about to change on re-exec. Add the current directory to $PYTHONPATH
# to ensure that the new process sees the same path we did.
path_prefix = '.' + os.pathsep
if (sys.path[0] == '' and
not os.environ.get("PYTHONPATH", "").startswith(path_prefix)):
os.environ["PYTHONPATH"] = (path_prefix +
os.environ.get("PYTHONPATH", ""))
if not _has_execv:
subprocess.Popen([sys.executable] + sys.argv)
sys.exit(0)
else:
try:
os.execv(sys.executable, [sys.executable] + sys.argv)
except OSError:
# Mac OS X versions prior to 10.6 do not support execv in
# a process that contains multiple threads. Instead of
# re-executing in the current process, start a new one
# and cause the current process to exit. This isn't
# ideal since the new process is detached from the parent
# terminal and thus cannot easily be killed with ctrl-C,
# but it's better than not being able to autoreload at
# all.
# Unfortunately the errno returned in this case does not
# appear to be consistent, so we can't easily check for
# this error specifically.
os.spawnv(os.P_NOWAIT, sys.executable,
[sys.executable] + sys.argv)
# At this point the IOLoop has been closed and finally
# blocks will experience errors if we allow the stack to
# unwind, so just exit uncleanly.
os._exit(0)
Example #10
| Source File: autoreload.py From pySINDy with MIT License | 4 votes |
|
def _reload():
global _reload_attempted
_reload_attempted = True
for fn in _reload_hooks:
fn()
if hasattr(signal, "setitimer"):
# Clear the alarm signal set by
# ioloop.set_blocking_log_threshold so it doesn't fire
# after the exec.
signal.setitimer(signal.ITIMER_REAL, 0, 0)
# sys.path fixes: see comments at top of file. If __main__.__spec__
# exists, we were invoked with -m and the effective path is about to
# change on re-exec. Reconstruct the original command line to
# ensure that the new process sees the same path we did. If
# __spec__ is not available (Python < 3.4), check instead if
# sys.path[0] is an empty string and add the current directory to
# $PYTHONPATH.
if _autoreload_is_main:
spec = _original_spec
argv = _original_argv
else:
spec = getattr(sys.modules['__main__'], '__spec__', None)
argv = sys.argv
if spec:
argv = ['-m', spec.name] + argv[1:]
else:
path_prefix = '.' + os.pathsep
if (sys.path[0] == '' and
not os.environ.get("PYTHONPATH", "").startswith(path_prefix)):
os.environ["PYTHONPATH"] = (path_prefix +
os.environ.get("PYTHONPATH", ""))
if not _has_execv:
subprocess.Popen([sys.executable] + argv)
os._exit(0)
else:
try:
os.execv(sys.executable, [sys.executable] + argv)
except OSError:
# Mac OS X versions prior to 10.6 do not support execv in
# a process that contains multiple threads. Instead of
# re-executing in the current process, start a new one
# and cause the current process to exit. This isn't
# ideal since the new process is detached from the parent
# terminal and thus cannot easily be killed with ctrl-C,
# but it's better than not being able to autoreload at
# all.
# Unfortunately the errno returned in this case does not
# appear to be consistent, so we can't easily check for
# this error specifically.
os.spawnv(os.P_NOWAIT, sys.executable, [sys.executable] + argv)
# At this point the IOLoop has been closed and finally
# blocks will experience errors if we allow the stack to
# unwind, so just exit uncleanly.
os._exit(0)
Example #11
| Source File: autoreload.py From honeything with GNU General Public License v3.0 | 4 votes |
|
def _reload():
global _reload_attempted
_reload_attempted = True
for fn in _reload_hooks:
fn()
if hasattr(signal, "setitimer"):
# Clear the alarm signal set by
# ioloop.set_blocking_log_threshold so it doesn't fire
# after the exec.
signal.setitimer(signal.ITIMER_REAL, 0, 0)
# sys.path fixes: see comments at top of file. If sys.path[0] is an empty
# string, we were (probably) invoked with -m and the effective path
# is about to change on re-exec. Add the current directory to $PYTHONPATH
# to ensure that the new process sees the same path we did.
path_prefix = '.' + os.pathsep
if (sys.path[0] == '' and
not os.environ.get("PYTHONPATH", "").startswith(path_prefix)):
os.environ["PYTHONPATH"] = (path_prefix +
os.environ.get("PYTHONPATH", ""))
if sys.platform == 'win32':
# os.execv is broken on Windows and can't properly parse command line
# arguments and executable name if they contain whitespaces. subprocess
# fixes that behavior.
subprocess.Popen([sys.executable] + sys.argv)
sys.exit(0)
else:
try:
os.execv(sys.executable, [sys.executable] + sys.argv)
except OSError:
# Mac OS X versions prior to 10.6 do not support execv in
# a process that contains multiple threads. Instead of
# re-executing in the current process, start a new one
# and cause the current process to exit. This isn't
# ideal since the new process is detached from the parent
# terminal and thus cannot easily be killed with ctrl-C,
# but it's better than not being able to autoreload at
# all.
# Unfortunately the errno returned in this case does not
# appear to be consistent, so we can't easily check for
# this error specifically.
os.spawnv(os.P_NOWAIT, sys.executable,
[sys.executable] + sys.argv)
sys.exit(0)
Example #12
| Source File: autoreload.py From EventGhost with GNU General Public License v2.0 | 4 votes |
|
def _reload():
global _reload_attempted
_reload_attempted = True
for fn in _reload_hooks:
fn()
if hasattr(signal, "setitimer"):
# Clear the alarm signal set by
# ioloop.set_blocking_log_threshold so it doesn't fire
# after the exec.
signal.setitimer(signal.ITIMER_REAL, 0, 0)
# sys.path fixes: see comments at top of file. If sys.path[0] is an empty
# string, we were (probably) invoked with -m and the effective path
# is about to change on re-exec. Add the current directory to $PYTHONPATH
# to ensure that the new process sees the same path we did.
path_prefix = '.' + os.pathsep
if (sys.path[0] == '' and
not os.environ.get("PYTHONPATH", "").startswith(path_prefix)):
os.environ["PYTHONPATH"] = (path_prefix +
os.environ.get("PYTHONPATH", ""))
if not _has_execv:
subprocess.Popen([sys.executable] + sys.argv)
sys.exit(0)
else:
try:
os.execv(sys.executable, [sys.executable] + sys.argv)
except OSError:
# Mac OS X versions prior to 10.6 do not support execv in
# a process that contains multiple threads. Instead of
# re-executing in the current process, start a new one
# and cause the current process to exit. This isn't
# ideal since the new process is detached from the parent
# terminal and thus cannot easily be killed with ctrl-C,
# but it's better than not being able to autoreload at
# all.
# Unfortunately the errno returned in this case does not
# appear to be consistent, so we can't easily check for
# this error specifically.
os.spawnv(os.P_NOWAIT, sys.executable,
[sys.executable] + sys.argv)
# At this point the IOLoop has been closed and finally
# blocks will experience errors if we allow the stack to
# unwind, so just exit uncleanly.
os._exit(0)
Example #13
| Source File: autoreload.py From V1EngineeringInc-Docs with Creative Commons Attribution Share Alike 4.0 International | 4 votes |
|
def _reload() -> None:
global _reload_attempted
_reload_attempted = True
for fn in _reload_hooks:
fn()
if hasattr(signal, "setitimer"):
# Clear the alarm signal set by
# ioloop.set_blocking_log_threshold so it doesn't fire
# after the exec.
signal.setitimer(signal.ITIMER_REAL, 0, 0)
# sys.path fixes: see comments at top of file. If __main__.__spec__
# exists, we were invoked with -m and the effective path is about to
# change on re-exec. Reconstruct the original command line to
# ensure that the new process sees the same path we did. If
# __spec__ is not available (Python < 3.4), check instead if
# sys.path[0] is an empty string and add the current directory to
# $PYTHONPATH.
if _autoreload_is_main:
assert _original_argv is not None
spec = _original_spec
argv = _original_argv
else:
spec = getattr(sys.modules["__main__"], "__spec__", None)
argv = sys.argv
if spec:
argv = ["-m", spec.name] + argv[1:]
else:
path_prefix = "." + os.pathsep
if sys.path[0] == "" and not os.environ.get("PYTHONPATH", "").startswith(
path_prefix
):
os.environ["PYTHONPATH"] = path_prefix + os.environ.get("PYTHONPATH", "")
if not _has_execv:
subprocess.Popen([sys.executable] + argv)
os._exit(0)
else:
try:
os.execv(sys.executable, [sys.executable] + argv)
except OSError:
# Mac OS X versions prior to 10.6 do not support execv in
# a process that contains multiple threads. Instead of
# re-executing in the current process, start a new one
# and cause the current process to exit. This isn't
# ideal since the new process is detached from the parent
# terminal and thus cannot easily be killed with ctrl-C,
# but it's better than not being able to autoreload at
# all.
# Unfortunately the errno returned in this case does not
# appear to be consistent, so we can't easily check for
# this error specifically.
os.spawnv( # type: ignore
os.P_NOWAIT, sys.executable, [sys.executable] + argv
)
# At this point the IOLoop has been closed and finally
# blocks will experience errors if we allow the stack to
# unwind, so just exit uncleanly.
os._exit(0)
