Mercurial > libervia-backend
annotate sat_frontends/jp/cmd_pipe.py @ 2712:c3f59c1dcb0a
core (memory/disco): normalise booleans in extensions
author | Goffi <goffi@goffi.org> |
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date | Sat, 01 Dec 2018 14:40:32 +0100 |
parents | 56f94936df1e |
children | 003b8b4b56a7 |
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 |
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36 |
817 | 37 class PipeOut(base.CommandBase): |
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( |
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44 "jid", type=base.unicode_decoder, help=_("the destination jid") |
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45 ) |
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46 |
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47 def streamOutCb(self, port): |
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48 s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) |
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49 s.connect(("127.0.0.1", int(port))) |
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50 while True: |
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51 buf = sys.stdin.read(4096) |
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52 if not buf: |
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53 break |
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54 try: |
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55 s.sendall(buf) |
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56 except socket.error as e: |
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57 if e.errno == errno.EPIPE: |
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58 sys.stderr.write(str(e) + "\n") |
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59 self.host.quit(1) |
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60 else: |
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61 raise e |
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62 self.host.quit() |
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63 |
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64 def start(self): |
817 | 65 """ Create named pipe, and send stdin to it """ |
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66 self.host.bridge.streamOut( |
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67 self.host.get_full_jid(self.args.jid), |
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68 self.profile, |
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69 callback=self.streamOutCb, |
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70 errback=partial( |
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71 self.errback, |
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72 msg=_(u"can't start stream: {}"), |
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73 exit_code=C.EXIT_BRIDGE_ERRBACK, |
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74 ), |
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75 ) |
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76 |
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77 |
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78 class StreamServer(SocketServer.BaseRequestHandler): |
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79 def handle(self): |
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80 while True: |
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81 data = self.request.recv(4096) |
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82 if not data: |
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83 break |
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84 sys.stdout.write(data) |
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85 try: |
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86 sys.stdout.flush() |
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87 except IOError as e: |
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88 sys.stderr.write(str(e) + "\n") |
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89 break |
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90 # calling shutdown will do a deadlock as we don't use separate thread |
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91 # this is a workaround (cf. https://stackoverflow.com/a/36017741) |
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92 self.server._BaseServer__shutdown_request = True |
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93 |
817 | 94 |
95 class PipeIn(base.CommandAnswering): | |
96 def __init__(self, host): | |
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97 super(PipeIn, self).__init__(host, "in", help=_("receive a pipe stream")) |
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98 self.action_callbacks = {"STREAM": self.onStreamAction} |
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99 |
817 | 100 def add_parser_options(self): |
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101 self.parser.add_argument( |
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102 "jids", |
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103 type=base.unicode_decoder, |
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104 nargs="*", |
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105 help=_('Jids accepted (none means "accept everything")'), |
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106 ) |
0 | 107 |
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108 def getXmluiId(self, action_data): |
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109 # FIXME: we temporarily use ElementTree, but a real XMLUI managing module |
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110 # should be available in the future |
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111 # TODO: XMLUI module |
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112 try: |
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113 xml_ui = action_data["xmlui"] |
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114 except KeyError: |
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115 self.disp(_(u"Action has no XMLUI"), 1) |
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116 else: |
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117 ui = ET.fromstring(xml_ui.encode("utf-8")) |
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118 xmlui_id = ui.get("submit") |
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119 if not xmlui_id: |
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120 self.disp(_(u"Invalid XMLUI received"), error=True) |
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121 return xmlui_id |
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122 |
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123 def onStreamAction(self, action_data, action_id, security_limit, profile): |
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124 xmlui_id = self.getXmluiId(action_data) |
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125 if xmlui_id is None: |
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126 return self.host.quitFromSignal(1) |
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127 try: |
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128 from_jid = jid.JID(action_data["meta_from_jid"]) |
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129 except KeyError: |
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130 self.disp(_(u"Ignoring action without from_jid data"), 1) |
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131 return |
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132 |
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133 if not self.bare_jids or from_jid.bare in self.bare_jids: |
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134 host, port = "localhost", START_PORT |
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135 while True: |
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136 try: |
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137 server = SocketServer.TCPServer((host, port), StreamServer) |
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138 except socket.error as e: |
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139 if e.errno == errno.EADDRINUSE: |
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140 port += 1 |
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141 else: |
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142 raise e |
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143 else: |
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144 break |
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145 xmlui_data = {"answer": C.BOOL_TRUE, "port": unicode(port)} |
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146 self.host.bridge.launchAction(xmlui_id, xmlui_data, profile_key=profile) |
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147 server.serve_forever() |
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148 self.host.quitFromSignal() |
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149 |
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150 def start(self): |
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151 self.bare_jids = [jid.JID(jid_).bare for jid_ in self.args.jids] |
817 | 152 |
153 | |
154 class Pipe(base.CommandBase): | |
155 subcommands = (PipeOut, PipeIn) | |
156 | |
157 def __init__(self, host): | |
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158 super(Pipe, self).__init__( |
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159 host, "pipe", use_profile=False, help=_("stream piping through XMPP") |
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160 ) |