Mercurial > repos > guerler > springsuite

annotate planemo/lib/python3.7/site-packages/boto/mashups/interactive.py @ 0:d30785e31577 draft

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"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
author guerler
date Fri, 31 Jul 2020 00:18:57 -0400
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d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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1 # Copyright (C) 2003-2007 Robey Pointer <robey@lag.net>
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2 #
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3 # This file is part of paramiko.
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4 #
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5 # Paramiko is free software; you can redistribute it and/or modify it under the
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6 # terms of the GNU Lesser General Public License as published by the Free
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7 # Software Foundation; either version 2.1 of the License, or (at your option)
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8 # any later version.
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9 #
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10 # Paramiko is distrubuted in the hope that it will be useful, but WITHOUT ANY
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11 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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12 # A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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13 # details.
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14 #
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15 # You should have received a copy of the GNU Lesser General Public License
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16 # along with Paramiko; if not, write to the Free Software Foundation, Inc.,
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17 # 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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18 from __future__ import print_function
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19
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20 import socket
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21 import sys
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22
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23 # windows does not have termios...
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24 try:
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25 import termios
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26 import tty
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27 has_termios = True
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28 except ImportError:
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29 has_termios = False
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30
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31
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32 def interactive_shell(chan):
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33 if has_termios:
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34 posix_shell(chan)
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35 else:
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36 windows_shell(chan)
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37
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38
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39 def posix_shell(chan):
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40 import select
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41
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42 oldtty = termios.tcgetattr(sys.stdin)
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43 try:
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44 tty.setraw(sys.stdin.fileno())
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45 tty.setcbreak(sys.stdin.fileno())
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46 chan.settimeout(0.0)
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47
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48 while True:
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49 r, w, e = select.select([chan, sys.stdin], [], [])
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50 if chan in r:
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51 try:
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52 x = chan.recv(1024)
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53 if len(x) == 0:
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54 print('\r\n*** EOF\r\n', end=' ')
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55 break
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56 sys.stdout.write(x)
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57 sys.stdout.flush()
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58 except socket.timeout:
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59 pass
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60 if sys.stdin in r:
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61 x = sys.stdin.read(1)
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62 if len(x) == 0:
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63 break
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64 chan.send(x)
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65
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66 finally:
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67 termios.tcsetattr(sys.stdin, termios.TCSADRAIN, oldtty)
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68
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69
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70 # thanks to Mike Looijmans for this code
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71 def windows_shell(chan):
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72 import threading
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73
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74 sys.stdout.write("Line-buffered terminal emulation. Press F6 or ^Z to send EOF.\r\n\r\n")
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75
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76 def writeall(sock):
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77 while True:
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78 data = sock.recv(256)
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79 if not data:
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80 sys.stdout.write('\r\n*** EOF ***\r\n\r\n')
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81 sys.stdout.flush()
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82 break
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83 sys.stdout.write(data)
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84 sys.stdout.flush()
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85
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86 writer = threading.Thread(target=writeall, args=(chan,))
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87 writer.start()
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88
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89 try:
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90 while True:
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91 d = sys.stdin.read(1)
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92 if not d:
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93 break
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94 chan.send(d)
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95 except EOFError:
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96 # user hit ^Z or F6
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97 pass