예제 #1
0
 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)
예제 #2
0
 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)
예제 #3
0
파일: help.py 프로젝트: lovejavaee/aws-cli
 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)
예제 #4
0
파일: help.py 프로젝트: lovejavaee/aws-cli
 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)
예제 #5
0
 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)
예제 #6
0
파일: help.py 프로젝트: Athena88/aws-cli
 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)