Mercurial > libervia-backend

annotate frontends/src/jp/cmd_pipe.py @ 2361:5defafc8ede6

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core, frontends (xmlui): new LabelContainer: LabelContainer is like a PairContainer where first widget can only be LabelWidget or EmptyWidget. This case is the most common, and allow to generate better code when label can be associated to widget (e.g. in HTML).
author Goffi <goffi@goffi.org>
date Sun, 24 Sep 2017 16:36:11 +0200
parents 3e168cde7a7d
children 8b37a62336c3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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'))