def kill(self, exception=GreenletExit, block=True, timeout=None):
"""
Kill all greenlets being tracked by this group.
"""
timer = Timeout._start_new_or_dummy(timeout)
try:
try:
while self.greenlets:
for greenlet in list(self.greenlets):
if greenlet not in self.dying:
try:
kill = greenlet.kill
except AttributeError:
_kill(greenlet, exception)
else:
kill(exception, block=False)
self.dying.add(greenlet)
if not block:
break
joinall(self.greenlets)
except Timeout as ex:
if ex is not timer:
raise
finally:
timer.cancel()
def kill(self, exception=GreenletExit, block=True, timeout=None):
"""
Kill all greenlets being tracked by this group.
"""
timer = Timeout._start_new_or_dummy(timeout)
try:
while self.greenlets:
for greenlet in list(self.greenlets):
if greenlet in self.dying:
continue
try:
kill = greenlet.kill
except AttributeError:
_kill(greenlet, exception)
else:
kill(exception, block=False)
self.dying.add(greenlet)
if not block:
break
joinall(self.greenlets)
except Timeout as ex:
if ex is not timer:
raise
finally:
timer.cancel()
def communicate(self, input=None):
"""Interact with process: Send data to stdin. Read data from
stdout and stderr, until end-of-file is reached. Wait for
process to terminate. The optional input argument should be a
string to be sent to the child process, or None, if no data
should be sent to the child.
communicate() returns a tuple (stdout, stderr)."""
greenlets = []
if self.stdin:
greenlets.append(spawn(write_and_close, self.stdin, input))
if self.stdout:
stdout = spawn(self.stdout.read)
greenlets.append(stdout)
else:
stdout = None
if self.stderr:
stderr = spawn(self.stderr.read)
greenlets.append(stderr)
else:
stderr = None
joinall(greenlets)
if self.stdout:
self.stdout.close()
if self.stderr:
self.stderr.close()
self.wait()
return (None if stdout is None else stdout.value or '',
None if stderr is None else stderr.value or '')
def communicate(self, input=None):
"""Interact with process: Send data to stdin. Read data from
stdout and stderr, until end-of-file is reached. Wait for
process to terminate. The optional input argument should be a
string to be sent to the child process, or None, if no data
should be sent to the child.
communicate() returns a tuple (stdout, stderr)."""
greenlets = []
if self.stdin:
greenlets.append(spawn(write_and_close, self.stdin, input))
if self.stdout:
stdout = spawn(self.stdout.read)
greenlets.append(stdout)
else:
stdout = None
if self.stderr:
stderr = spawn(self.stderr.read)
greenlets.append(stderr)
else:
stderr = None
joinall(greenlets)
if self.stdout:
self.stdout.close()
if self.stderr:
self.stderr.close()
self.wait()
return (None if stdout is None else stdout.value or '',
None if stderr is None else stderr.value or '')
def join(self, timeout=None, raise_error=False):
timeout = Timeout.start_new(timeout)
try:
try:
while self.greenlets:
joinall(self.greenlets, raise_error=raise_error)
except Timeout, ex:
if ex is not timeout:
raise
finally:
timeout.cancel()
def join(self, timeout=None, raise_error=False):
timeout = Timeout.start_new(timeout)
try:
try:
while self.greenlets:
joinall(self.greenlets, raise_error=raise_error)
except Timeout, ex:
if ex is not timeout:
raise
finally:
timeout.cancel()
def kill(self, exception=GreenletExit, block=False, timeout=None):
timer = Timeout.start_new(timeout)
try:
while self.greenlets:
for greenlet in self.greenlets:
if greenlet not in self.dying:
greenlet.kill(exception)
self.dying.add(greenlet)
if not block:
break
joinall(self.greenlets)
finally:
timer.cancel()
def kill(self, exception=GreenletExit, block=False, timeout=None):
timer = Timeout.start_new(timeout)
try:
while self.greenlets:
for greenlet in self.greenlets:
if greenlet not in self.dying:
greenlet.kill(exception)
self.dying.add(greenlet)
if not block:
break
joinall(self.greenlets)
finally:
timer.cancel()
def kill(self, exception=GreenletExit, block=True, timeout=None):
timer = Timeout.start_new(timeout)
try:
try:
while self.greenlets:
for greenlet in list(self.greenlets):
if greenlet not in self.dying:
greenlet.kill(exception, block=False)
self.dying.add(greenlet)
if not block:
break
joinall(self.greenlets)
except Timeout, ex:
if ex is not timer:
raise
finally:
timer.cancel()
def kill(self, exception=GreenletExit, block=True, timeout=None):
timer = Timeout.start_new(timeout)
try:
try:
while self.greenlets:
for greenlet in list(self.greenlets):
if greenlet not in self.dying:
greenlet.kill(exception, block=False)
self.dying.add(greenlet)
if not block:
break
joinall(self.greenlets)
except Timeout, ex:
if ex is not timer:
raise
finally:
timer.cancel()
def kill(self, exception=GreenletExit, block=True, timeout=None):
timer = Timeout.start_new(timeout)
try:
try:
while self.greenlets:
for greenlet in list(self.greenlets):
if greenlet not in self.dying:
try:
kill = greenlet.kill
except AttributeError:
_kill(greenlet, exception)
else:
kill(exception, block=False)
self.dying.add(greenlet)
if not block:
break
joinall(self.greenlets)
except Timeout:
ex = sys.exc_info()[1]
if ex is not timer:
raise
finally:
timer.cancel()
def kill(self, exception=GreenletExit, block=True, timeout=None):
timer = Timeout.start_new(timeout)
try:
try:
while self.greenlets:
for greenlet in list(self.greenlets):
if greenlet not in self.dying:
try:
kill = greenlet.kill
except AttributeError:
_kill(greenlet, exception)
else:
kill(exception, block=False)
self.dying.add(greenlet)
if not block:
break
joinall(self.greenlets)
except Timeout:
ex = sys.exc_info()[1]
if ex is not timer:
raise
finally:
timer.cancel()
def get_values(greenlets):
joinall(greenlets)
return [x.value for x in greenlets]
def get_values(greenlets):
joinall(greenlets)
return [x.value for x in greenlets]
def communicate(self, input=None, timeout=None):
"""Interact with process: Send data to stdin. Read data from
stdout and stderr, until end-of-file is reached. Wait for
process to terminate. The optional input argument should be a
string to be sent to the child process, or None, if no data
should be sent to the child.
communicate() returns a tuple (stdout, stderr).
:keyword timeout: Under Python 2, this is a gevent extension; if
given and it expires, we will raise :class:`gevent.timeout.Timeout`.
Under Python 3, this raises the standard :exc:`TimeoutExpired` exception.
"""
greenlets = []
if self.stdin:
greenlets.append(spawn(write_and_close, self.stdin, input))
# If the timeout parameter is used, and the caller calls back after
# getting a TimeoutExpired exception, we can wind up with multiple
# greenlets trying to run and read from and close stdout/stderr.
# That's bad because it can lead to 'RuntimeError: reentrant call in io.BufferedReader'.
# We can't just kill the previous greenlets when a timeout happens,
# though, because we risk losing the output collected by that greenlet
# (and Python 3, where timeout is an official parameter, explicitly says
# that no output should be lost in the event of a timeout.) Instead, we're
# watching for the exception and ignoring it. It's not elegant,
# but it works
if self.stdout:
def _read_out():
try:
data = self.stdout.read()
except RuntimeError:
return
if self._stdout_buffer is not None:
self._stdout_buffer += data
else:
self._stdout_buffer = data
stdout = spawn(_read_out)
greenlets.append(stdout)
else:
stdout = None
if self.stderr:
def _read_err():
try:
data = self.stderr.read()
except RuntimeError:
return
if self._stderr_buffer is not None:
self._stderr_buffer += data
else:
self._stderr_buffer = data
stderr = spawn(_read_err)
greenlets.append(stderr)
else:
stderr = None
# If we were given stdin=stdout=stderr=None, we have no way to
# communicate with the child, and thus no greenlets to wait
# on. This is a nonsense case, but it comes up in the test
# case for Python 3.5 (test_subprocess.py
# RunFuncTestCase.test_timeout). Instead, we go directly to
# self.wait
if not greenlets and timeout is not None:
result = self.wait(timeout=timeout)
# Python 3 would have already raised, but Python 2 would not
# so we need to do that manually
if result is None:
from gevent.timeout import Timeout
raise Timeout(timeout)
done = joinall(greenlets, timeout=timeout)
if timeout is not None and len(done) != len(greenlets):
if PY3:
raise TimeoutExpired(self.args, timeout)
from gevent.timeout import Timeout
raise Timeout(timeout)
if self.stdout:
try:
self.stdout.close()
except RuntimeError:
pass
if self.stderr:
try:
self.stderr.close()
except RuntimeError:
pass
self.wait()
stdout_value = self._stdout_buffer
self._stdout_buffer = None
stderr_value = self._stderr_buffer
self._stderr_buffer = None
# XXX: Under python 3 in universal newlines mode we should be
# returning str, not bytes
return (None if stdout is None else stdout_value or b'',
None if stderr is None else stderr_value or b'')
def communicate(self, input=None, timeout=None):
"""Interact with process: Send data to stdin. Read data from
stdout and stderr, until end-of-file is reached. Wait for
process to terminate. The optional input argument should be a
string to be sent to the child process, or None, if no data
should be sent to the child.
communicate() returns a tuple (stdout, stderr).
:keyword timeout: Under Python 2, this is a gevent extension; if
given and it expires, we will raise :class:`gevent.timeout.Timeout`.
Under Python 3, this raises the standard :exc:`TimeoutExpired` exception.
"""
greenlets = []
if self.stdin:
greenlets.append(spawn(write_and_close, self.stdin, input))
# If the timeout parameter is used, and the caller calls back after
# getting a TimeoutExpired exception, we can wind up with multiple
# greenlets trying to run and read from and close stdout/stderr.
# That's bad because it can lead to 'RuntimeError: reentrant call in io.BufferedReader'.
# We can't just kill the previous greenlets when a timeout happens,
# though, because we risk losing the output collected by that greenlet
# (and Python 3, where timeout is an official parameter, explicitly says
# that no output should be lost in the event of a timeout.) Instead, we're
# watching for the exception and ignoring it. It's not elegant,
# but it works
if self.stdout:
def _read_out():
try:
data = self.stdout.read()
except RuntimeError:
return
if self._stdout_buffer is not None:
self._stdout_buffer += data
else:
self._stdout_buffer = data
stdout = spawn(_read_out)
greenlets.append(stdout)
else:
stdout = None
if self.stderr:
def _read_err():
try:
data = self.stderr.read()
except RuntimeError:
return
if self._stderr_buffer is not None:
self._stderr_buffer += data
else:
self._stderr_buffer = data
stderr = spawn(_read_err)
greenlets.append(stderr)
else:
stderr = None
# If we were given stdin=stdout=stderr=None, we have no way to
# communicate with the child, and thus no greenlets to wait
# on. This is a nonsense case, but it comes up in the test
# case for Python 3.5 (test_subprocess.py
# RunFuncTestCase.test_timeout). Instead, we go directly to
# self.wait
if not greenlets and timeout is not None:
result = self.wait(timeout=timeout)
# Python 3 would have already raised, but Python 2 would not
# so we need to do that manually
if result is None:
from gevent.timeout import Timeout
raise Timeout(timeout)
done = joinall(greenlets, timeout=timeout)
if timeout is not None and len(done) != len(greenlets):
if PY3:
raise TimeoutExpired(self.args, timeout)
from gevent.timeout import Timeout
raise Timeout(timeout)
if self.stdout:
try:
self.stdout.close()
except RuntimeError:
pass
if self.stderr:
try:
self.stderr.close()
except RuntimeError:
pass
self.wait()
stdout_value = self._stdout_buffer
self._stdout_buffer = None
stderr_value = self._stderr_buffer
self._stderr_buffer = None
# XXX: Under python 3 in universal newlines mode we should be
# returning str, not bytes
return (None if stdout is None else stdout_value or b'',
None if stderr is None else stderr_value or b'')
