Mercurial > libervia-backend

annotate frontends/src/jp/cmd_pipe.py @ 2281:4af1805cc6df

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jp (pubsub/delete): delete command implementation (to delete an item)
author Goffi <goffi@goffi.org>
date Wed, 28 Jun 2017 20:28:58 +0200
parents 3e168cde7a7d
children 8b37a62336c3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/env python2
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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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33
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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 self.need_loop = True
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40
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41 def add_parser_options(self):
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42 self.parser.add_argument("jid", type=base.unicode_decoder, help=_("the destination jid"))
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43
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44 def start(self):
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45 """ Create named pipe, and send stdin to it """
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46 # TODO: check_jids
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47 tmp_dir = tempfile.mkdtemp()
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48 fifopath = os.path.join(tmp_dir,"pipe_out")
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49 os.mkfifo(fifopath)
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50 self.host.bridge.pipeOut(self.host.get_full_jid(self.args.jid), fifopath, self.profile)
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51 with open(fifopath, 'w') as f:
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52 shutil.copyfileobj(sys.stdin, f)
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53 shutil.rmtree(tmp_dir)
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54 self.host.quit()
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55
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56
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57 class PipeIn(base.CommandAnswering):
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58
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59 def __init__(self, host):
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60 super(PipeIn, self).__init__(host, 'in', help=_('receive a pipe stream'))
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61 self.action_callbacks = {"PIPE": self.onPipeAction}
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62
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63 def add_parser_options(self):
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64 self.parser.add_argument("jids", type=base.unicode_decoder, nargs="*", help=_('Jids accepted (none means "accept everything")'))
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65
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66 def getXmluiId(self, action_data):
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67 # FIXME: we temporarily use ElementTree, but a real XMLUI managing module
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68 # should be available in the futur
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69 # TODO: XMLUI module
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70 try:
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71 xml_ui = action_data['xmlui']
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72 except KeyError:
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73 self.disp(_(u"Action has no XMLUI"), 1)
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74 else:
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75 ui = ET.fromstring(xml_ui.encode('utf-8'))
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76 xmlui_id = ui.get('submit')
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77 if not xmlui_id:
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78 self.disp(_(u"Invalid XMLUI received"), error=True)
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79 return xmlui_id
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80
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81 def onPipeAction(self, action_data, action_id, security_limit, profile):
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82 xmlui_id = self.getXmluiId(action_data)
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83 if xmlui_id is None:
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84 return self.host.quitFromSignal(1)
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85 try:
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86 from_jid = jid.JID(action_data['meta_from_jid'])
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87 except KeyError:
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88 self.disp(_(u"Ignoring action without from_jid data"), 1)
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89 return
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90
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91 if not self.bare_jids or from_jid.bare in self.bare_jids:
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92 tmp_dir = tempfile.mkdtemp()
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93 fifopath = os.path.join(tmp_dir,"pipe_in")
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94 os.mkfifo(fifopath)
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95 xmlui_data = {'path': fifopath}
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96 self.host.bridge.launchAction(xmlui_id, xmlui_data, profile_key=profile)
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97
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98 with open(fifopath, 'r') as f:
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99 shutil.copyfileobj(f, sys.stdout)
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100 shutil.rmtree(tmp_dir)
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101 self.host.quit()
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102
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103 def start(self):
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104 self.bare_jids = [jid.JID(jid_).bare for jid_ in self.args.jids]
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105
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106
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107 class Pipe(base.CommandBase):
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108 subcommands = (PipeOut, PipeIn)
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109
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110 def __init__(self, host):
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111 super(Pipe, self).__init__(host, 'pipe', use_profile=False, help=_('stream piping through XMPP'))