def test_ctrl_c_is_ignored(self):
with ignore_ctrl_c():
# Should have the noop signal handler installed.
self.assertEqual(signal.getsignal(signal.SIGINT), signal.SIG_IGN)
# And if we actually try to sigint ourselves, an exception
# should not propogate.
os.kill(os.getpid(), signal.SIGINT)
def test_ctrl_c_is_ignored(self):
with ignore_ctrl_c():
# Should have the noop signal handler installed.
self.assertEqual(signal.getsignal(signal.SIGINT), signal.SIG_IGN)
# And if we actually try to sigint ourselves, an exception
# should not propogate.
os.kill(os.getpid(), signal.SIGINT)
def _send_output_to_pager(self, output):
cmdline = self.get_pager_cmdline()
LOG.debug("Running command: %s", cmdline)
with ignore_ctrl_c():
# We can't rely on the KeyboardInterrupt from
# the CLIDriver being caught because when we
# send the output to a pager it will use various
# control characters that need to be cleaned
# up gracefully. Otherwise if we simply catch
# the Ctrl-C and exit, it will likely leave the
# users terminals in a bad state and they'll need
# to manually run ``reset`` to fix this issue.
# Ignoring Ctrl-C solves this issue. It's also
# the default behavior of less (you can't ctrl-c
# out of a manpage).
p = self._popen(cmdline, stdin=PIPE)
p.communicate(input=output)
def _send_output_to_pager(self, output):
cmdline = self.get_pager_cmdline()
LOG.debug("Running command: %s", cmdline)
with ignore_ctrl_c():
# We can't rely on the KeyboardInterrupt from
# the CLIDriver being caught because when we
# send the output to a pager it will use various
# control characters that need to be cleaned
# up gracefully. Otherwise if we simply catch
# the Ctrl-C and exit, it will likely leave the
# users terminals in a bad state and they'll need
# to manually run ``reset`` to fix this issue.
# Ignoring Ctrl-C solves this issue. It's also
# the default behavior of less (you can't ctrl-c
# out of a manpage).
p = self._popen(cmdline, stdin=PIPE)
p.communicate(input=output)
def _send_output_to_pager(self, output):
cmdline = self.get_pager_cmdline()
if not self._exists_on_path(cmdline[0]):
LOG.debug("Pager '%s' not found in PATH, printing raw help." %
cmdline[0])
self.output_stream.write(output.decode('utf-8') + "\n")
self.output_stream.flush()
return
LOG.debug("Running command: %s", cmdline)
with ignore_ctrl_c():
# We can't rely on the KeyboardInterrupt from
# the CLIDriver being caught because when we
# send the output to a pager it will use various
# control characters that need to be cleaned
# up gracefully. Otherwise if we simply catch
# the Ctrl-C and exit, it will likely leave the
# users terminals in a bad state and they'll need
# to manually run ``reset`` to fix this issue.
# Ignoring Ctrl-C solves this issue. It's also
# the default behavior of less (you can't ctrl-c
# out of a manpage).
p = self._popen(cmdline, stdin=PIPE)
p.communicate(input=output)
def _send_output_to_pager(self, output):
cmdline = self.get_pager_cmdline()
if not self._exists_on_path(cmdline[0]):
LOG.debug("Pager '%s' not found in PATH, printing raw help." %
cmdline[0])
self.output_stream.write(output.decode('utf-8') + "\n")
self.output_stream.flush()
return
LOG.debug("Running command: %s", cmdline)
with ignore_ctrl_c():
# We can't rely on the KeyboardInterrupt from
# the CLIDriver being caught because when we
# send the output to a pager it will use various
# control characters that need to be cleaned
# up gracefully. Otherwise if we simply catch
# the Ctrl-C and exit, it will likely leave the
# users terminals in a bad state and they'll need
# to manually run ``reset`` to fix this issue.
# Ignoring Ctrl-C solves this issue. It's also
# the default behavior of less (you can't ctrl-c
# out of a manpage).
p = self._popen(cmdline, stdin=PIPE)
p.communicate(input=output)