Mercurial > libervia-backend
annotate sat_frontends/jp/cmd_pipe.py @ 2593:d78eff6b4487
tools (common): new files_utils module:
get_unique_name find a name not conflicting with an existing file
author | Goffi <goffi@goffi.org> |
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date | Fri, 25 May 2018 10:52:01 +0200 |
parents | 26edcf3a30eb |
children | 56f94936df1e |
rev | line source |
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1960 | 1 #!/usr/bin/env python2 |
815 | 2 # -*- coding: utf-8 -*- |
3 | |
4 # jp: a SAT command line tool | |
2483 | 5 # Copyright (C) 2009-2018 Jérôme Poisson (goffi@goffi.org) |
815 | 6 |
7 # This program is free software: you can redistribute it and/or modify | |
8 # it under the terms of the GNU Affero General Public License as published by | |
9 # the Free Software Foundation, either version 3 of the License, or | |
10 # (at your option) any later version. | |
11 | |
12 # This program is distributed in the hope that it will be useful, | |
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 # GNU Affero General Public License for more details. | |
16 | |
17 # You should have received a copy of the GNU Affero General Public License | |
18 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | |
817 | 20 from sat_frontends.jp import base |
0 | 21 |
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22 from sat_frontends.jp.constants import Const as C |
817 | 23 import sys |
814 | 24 from sat.core.i18n import _ |
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25 from sat_frontends.tools import jid |
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26 import xml.etree.ElementTree as ET # FIXME: used temporarily to manage XMLUI |
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27 from functools import partial |
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28 import socket |
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29 import SocketServer |
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30 import errno |
0 | 31 |
817 | 32 __commands__ = ["Pipe"] |
0 | 33 |
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34 START_PORT = 9999 |
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35 |
817 | 36 class PipeOut(base.CommandBase): |
657 | 37 |
817 | 38 def __init__(self, host): |
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39 super(PipeOut, self).__init__(host, 'out', help=_('send a pipe a stream')) |
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40 self.need_loop = True |
393 | 41 |
817 | 42 def add_parser_options(self): |
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43 self.parser.add_argument("jid", type=base.unicode_decoder, help=_("the destination jid")) |
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44 |
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45 def streamOutCb(self, port): |
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46 s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) |
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47 s.connect(('127.0.0.1', int(port))) |
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48 while True: |
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49 buf = sys.stdin.read(4096) |
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50 if not buf: |
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51 break |
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52 try: |
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53 s.sendall(buf) |
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54 except socket.error as e: |
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55 if e.errno == errno.EPIPE: |
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56 sys.stderr.write(str(e) + '\n') |
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57 self.host.quit(1) |
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58 else: |
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59 raise e |
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60 self.host.quit() |
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61 |
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62 def start(self): |
817 | 63 """ Create named pipe, and send stdin to it """ |
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64 self.host.bridge.streamOut( |
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65 self.host.get_full_jid(self.args.jid), |
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66 self.profile, |
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67 callback=self.streamOutCb, |
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68 errback=partial(self.errback, |
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69 msg=_(u"can't start stream: {}"), |
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70 exit_code=C.EXIT_BRIDGE_ERRBACK)) |
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71 |
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72 |
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73 class StreamServer(SocketServer.BaseRequestHandler): |
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74 |
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75 def handle(self): |
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76 while True: |
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77 data = self.request.recv(4096) |
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78 if not data: |
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79 break |
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80 sys.stdout.write(data) |
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81 try: |
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82 sys.stdout.flush() |
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83 except IOError as e: |
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84 sys.stderr.write(str(e) + '\n') |
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85 break |
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86 # calling shutdown will do a deadlock as we don't use separate thread |
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87 # this is a workaround (cf. https://stackoverflow.com/a/36017741) |
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88 self.server._BaseServer__shutdown_request = True |
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89 |
817 | 90 |
91 class PipeIn(base.CommandAnswering): | |
0 | 92 |
817 | 93 def __init__(self, host): |
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94 super(PipeIn, self).__init__(host, 'in', help=_('receive a pipe stream')) |
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95 self.action_callbacks = {"STREAM": self.onStreamAction} |
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96 |
817 | 97 def add_parser_options(self): |
98 self.parser.add_argument("jids", type=base.unicode_decoder, nargs="*", help=_('Jids accepted (none means "accept everything")')) | |
0 | 99 |
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100 def getXmluiId(self, action_data): |
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101 # FIXME: we temporarily use ElementTree, but a real XMLUI managing module |
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102 # should be available in the future |
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103 # TODO: XMLUI module |
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104 try: |
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105 xml_ui = action_data['xmlui'] |
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106 except KeyError: |
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107 self.disp(_(u"Action has no XMLUI"), 1) |
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108 else: |
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109 ui = ET.fromstring(xml_ui.encode('utf-8')) |
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110 xmlui_id = ui.get('submit') |
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111 if not xmlui_id: |
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112 self.disp(_(u"Invalid XMLUI received"), error=True) |
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113 return xmlui_id |
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114 |
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115 def onStreamAction(self, action_data, action_id, security_limit, profile): |
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116 xmlui_id = self.getXmluiId(action_data) |
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117 if xmlui_id is None: |
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118 return self.host.quitFromSignal(1) |
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119 try: |
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120 from_jid = jid.JID(action_data['meta_from_jid']) |
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121 except KeyError: |
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122 self.disp(_(u"Ignoring action without from_jid data"), 1) |
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123 return |
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124 |
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125 if not self.bare_jids or from_jid.bare in self.bare_jids: |
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126 host, port = "localhost", START_PORT |
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127 while True: |
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128 try: |
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129 server = SocketServer.TCPServer((host, port), StreamServer) |
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130 except socket.error as e: |
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131 if e.errno == errno.EADDRINUSE: |
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132 port += 1 |
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133 else: |
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134 raise e |
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135 else: |
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136 break |
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137 xmlui_data = {'answer': C.BOOL_TRUE, |
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138 'port': unicode(port)} |
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139 self.host.bridge.launchAction(xmlui_id, xmlui_data, profile_key=profile) |
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140 server.serve_forever() |
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141 self.host.quitFromSignal() |
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142 |
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143 def start(self): |
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144 self.bare_jids = [jid.JID(jid_).bare for jid_ in self.args.jids] |
817 | 145 |
146 | |
147 class Pipe(base.CommandBase): | |
148 subcommands = (PipeOut, PipeIn) | |
149 | |
150 def __init__(self, host): | |
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151 super(Pipe, self).__init__(host, 'pipe', use_profile=False, help=_('stream piping through XMPP')) |