Mercurial > libervia-backend

annotate frontends/src/jp/cmd_pipe.py @ 1766:d17772b0fe22

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copyright update
author Goffi <goffi@goffi.org>
date Sun, 03 Jan 2016 16:28:30 +0100
parents 3690b4d4157e
children 96ba685162f6
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1 #! /usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 # jp: a SAT command line tool
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5 # Copyright (C) 2009-2016 Jérôme Poisson (goffi@goffi.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 from sat_frontends.jp import base
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21
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22 import tempfile
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23 import sys
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24 import os
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25 import os.path
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26 import shutil
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27 from sat.core.i18n import _
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28 from sat_frontends.tools import jid
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29 import xml.etree.ElementTree as ET # FIXME: used temporarily to manage XMLUI
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30
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31
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32 __commands__ = ["Pipe"]
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34
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35 class PipeOut(base.CommandBase):
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36
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37 def __init__(self, host):
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38 super(PipeOut, self).__init__(host, 'out', help=_('send a pipe a stream'))
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39
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40 def add_parser_options(self):
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41 self.parser.add_argument("jid", type=base.unicode_decoder, help=_("the destination jid"))
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42
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43 def pipe_out(self):
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44 """ Create named pipe, and send stdin to it """
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45 tmp_dir = tempfile.mkdtemp()
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46 fifopath = os.path.join(tmp_dir,"pipe_out")
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47 os.mkfifo(fifopath)
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48 self.host.bridge.pipeOut(self.host.get_full_jid(self.args.jid), fifopath, self.profile)
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49 with open(fifopath, 'w') as f:
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50 shutil.copyfileobj(sys.stdin, f)
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51 shutil.rmtree(tmp_dir)
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52 self.host.quit()
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53
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54 def connected(self):
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55 # TODO: check_jids
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56 self.need_loop = True
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57 super(PipeOut, self).connected()
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58 self.pipe_out()
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59
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60
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61 class PipeIn(base.CommandAnswering):
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62
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63 def __init__(self, host):
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64 super(PipeIn, self).__init__(host, 'in', help=_('receive a pipe stream'))
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65 self.action_callbacks = {"PIPE": self.onPipeAction}
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66
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67 def add_parser_options(self):
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68 self.parser.add_argument("jids", type=base.unicode_decoder, nargs="*", help=_('Jids accepted (none means "accept everything")'))
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69
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70 def getXmluiId(self, action_data):
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71 # FIXME: we temporarily use ElementTree, but a real XMLUI managing module
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72 # should be available in the futur
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73 # TODO: XMLUI module
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74 try:
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75 xml_ui = action_data['xmlui']
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76 except KeyError:
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77 self.disp(_(u"Action has no XMLUI"), 1)
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78 else:
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79 ui = ET.fromstring(xml_ui.encode('utf-8'))
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80 xmlui_id = ui.get('submit')
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81 if not xmlui_id:
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82 self.disp(_(u"Invalid XMLUI received"), error=True)
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83 return xmlui_id
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84
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85 def onPipeAction(self, action_data, action_id, security_limit, profile):
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86 xmlui_id = self.getXmluiId(action_data)
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87 if xmlui_id is None:
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88 return self.host.quitFromSignal(1)
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89 try:
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90 from_jid = jid.JID(action_data['meta_from_jid'])
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91 except KeyError:
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92 self.disp(_(u"Ignoring action without from_jid data"), 1)
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93 return
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94
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95 if not self.bare_jids or from_jid.bare in self.bare_jids:
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96 tmp_dir = tempfile.mkdtemp()
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97 fifopath = os.path.join(tmp_dir,"pipe_in")
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98 os.mkfifo(fifopath)
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99 xmlui_data = {'path': fifopath}
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100 self.host.bridge.launchAction(xmlui_id, xmlui_data, profile_key=profile)
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101
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102 with open(fifopath, 'r') as f:
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103 shutil.copyfileobj(f, sys.stdout)
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104 shutil.rmtree(tmp_dir)
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105 self.host.quit()
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106
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107 def run(self):
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108 super(PipeIn, self).run()
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109 self.bare_jids = [jid.JID(jid_).bare for jid_ in self.args.jids]
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110
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111
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112 class Pipe(base.CommandBase):
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113 subcommands = (PipeOut, PipeIn)
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114
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115 def __init__(self, host):
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116 super(Pipe, self).__init__(host, 'pipe', use_profile=False, help=_('stream piping through XMPP'))