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annotate sat/plugins/plugin_misc_file.py @ 2886:b06cb71079fa

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core (xmpp): new networkEnabled() and networkDisabled() methods: those methods can be called by platform specific plugins when network is known to be (un)available. This way, connection attempts can be cancelled when no network is available, saving resources (notably battery on mobile devices), or attempts can be restarted immediately when network is known to be available again.
author Goffi <goffi@goffi.org>
date Sat, 06 Apr 2019 19:05:57 +0200
parents 003b8b4b56a7
children ab2696e34d29
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2daf7b4c6756 use of /usr/bin/env instead of /usr/bin/python in shebang
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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 # SAT plugin for file tansfer
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5 # Copyright (C) 2009-2019 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.core.i18n import _, D_
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21 from sat.core.constants import Const as C
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22 from sat.core.log import getLogger
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23
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24 log = getLogger(__name__)
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25 from sat.core import exceptions
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26 from sat.tools import xml_tools
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27 from sat.tools import stream
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28 from twisted.internet import defer
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29 from twisted.words.protocols.jabber import jid
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30 import os
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31 import os.path
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32
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33
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34 PLUGIN_INFO = {
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35 C.PI_NAME: "File Tansfer",
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36 C.PI_IMPORT_NAME: "FILE",
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37 C.PI_TYPE: C.PLUG_TYPE_MISC,
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38 C.PI_MODES: C.PLUG_MODE_BOTH,
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39 C.PI_MAIN: "FilePlugin",
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40 C.PI_HANDLER: "no",
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41 C.PI_DESCRIPTION: _(
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42 """File Tansfer Management:
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43 This plugin manage the various ways of sending a file, and choose the best one."""
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44 ),
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45 }
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46
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47
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48 SENDING = D_(u"Please select a file to send to {peer}")
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49 SENDING_TITLE = D_(u"File sending")
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50 CONFIRM = D_(
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51 u'{peer} wants to send the file "{name}" to you:\n{desc}\n\nThe file has a size of {size_human}\n\nDo you accept ?'
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52 )
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53 CONFIRM_TITLE = D_(u"Confirm file transfer")
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54 CONFIRM_OVERWRITE = D_(u"File {} already exists, are you sure you want to overwrite ?")
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55 CONFIRM_OVERWRITE_TITLE = D_(u"File exists")
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56 SECURITY_LIMIT = 30
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57
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58 PROGRESS_ID_KEY = "progress_id"
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59
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60
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61 class FilePlugin(object):
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62 File = stream.SatFile
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63
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64 def __init__(self, host):
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65 log.info(_("plugin File initialization"))
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66 self.host = host
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67 host.bridge.addMethod(
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68 "fileSend",
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69 ".plugin",
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70 in_sign="ssssa{ss}s",
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71 out_sign="a{ss}",
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72 method=self._fileSend,
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73 async=True,
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74 )
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75 self._file_callbacks = []
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76 host.importMenu(
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77 (D_("Action"), D_("send file")),
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78 self._fileSendMenu,
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79 security_limit=10,
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80 help_string=D_("Send a file"),
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81 type_=C.MENU_SINGLE,
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82 )
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83
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84 def _fileSend(
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85 self,
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86 peer_jid_s,
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87 filepath,
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88 name="",
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89 file_desc="",
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90 extra=None,
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91 profile=C.PROF_KEY_NONE,
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92 ):
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93 client = self.host.getClient(profile)
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94 return self.fileSend(
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95 client, jid.JID(peer_jid_s), filepath, name or None, file_desc or None, extra
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96 )
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98 @defer.inlineCallbacks
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99 def fileSend(
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100 self, client, peer_jid, filepath, filename=None, file_desc=None, extra=None
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101 ):
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102 """Send a file using best available method
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103
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104 @param peer_jid(jid.JID): jid of the destinee
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105 @param filepath(str): absolute path to the file
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106 @param filename(unicode, None): name to use, or None to find it from filepath
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107 @param file_desc(unicode, None): description of the file
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108 @param profile: %(doc_profile)s
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109 @return (dict): action dictionary, with progress id in case of success, else xmlui message
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110 """
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111 if not os.path.isfile(filepath):
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112 raise exceptions.DataError(u"The given path doesn't link to a file")
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113 if not filename:
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114 filename = os.path.basename(filepath) or "_"
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115 for namespace, callback, priority, method_name in self._file_callbacks:
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116 has_feature = yield self.host.hasFeature(client, namespace, peer_jid)
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117 if has_feature:
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118 log.info(
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119 u"{name} method will be used to send the file".format(
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120 name=method_name
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121 )
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122 )
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123 progress_id = yield callback(
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124 client, peer_jid, filepath, filename, file_desc, extra
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125 )
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126 defer.returnValue({"progress": progress_id})
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127 msg = u"Can't find any method to send file to {jid}".format(jid=peer_jid.full())
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128 log.warning(msg)
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129 defer.returnValue(
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130 {
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131 "xmlui": xml_tools.note(
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parents: 2562
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132 u"Can't transfer file", msg, C.XMLUI_DATA_LVL_WARNING
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133 ).toXml()
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134 }
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135 )
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136
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137 def _onFileChoosed(self, client, peer_jid, data):
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138 cancelled = C.bool(data.get("cancelled", C.BOOL_FALSE))
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139 if cancelled:
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140 return
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141 path = data["path"]
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142 return self.fileSend(client, peer_jid, path)
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143
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Goffi <goffi@goffi.org>
parents: 1626
diff changeset
144 def _fileSendMenu(self, data, profile):
591e04f0103c plugin file: added "Action/send" file menu
Goffi <goffi@goffi.org>
parents: 1626
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145 """ XMLUI activated by menu: return file sending UI
591e04f0103c plugin file: added "Action/send" file menu
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parents: 1626
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146
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parents: 1626
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147 @param profile: %(doc_profile)s
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parents: 1626
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148 """
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Goffi <goffi@goffi.org>
parents: 1626
diff changeset
149 try:
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150 jid_ = jid.JID(data["jid"])
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151 except RuntimeError:
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Goffi <goffi@goffi.org>
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152 raise exceptions.DataError(_("Invalid JID"))
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parents: 1626
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153
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154 file_choosed_id = self.host.registerCallback(
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parents: 2562
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155 lambda data, profile: self._onFileChoosed(
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parents: 2562
diff changeset
156 self.host.getClient(profile), jid_, data
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parents: 2562
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157 ),
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parents: 2562
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158 with_data=True,
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parents: 2562
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159 one_shot=True,
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parents: 2562
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160 )
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161 xml_ui = xml_tools.XMLUI(
591e04f0103c plugin file: added "Action/send" file menu
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parents: 1626
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162 C.XMLUI_DIALOG,
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parents: 2562
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163 dialog_opt={
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164 C.XMLUI_DATA_TYPE: C.XMLUI_DIALOG_FILE,
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parents: 2562
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165 C.XMLUI_DATA_MESS: _(SENDING).format(peer=jid_.full()),
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parents: 2562
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166 },
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parents: 2562
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167 title=_(SENDING_TITLE),
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parents: 2562
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168 submit_id=file_choosed_id,
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parents: 2562
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169 )
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170
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171 return {"xmlui": xml_ui.toXml()}
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parents: 1626
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172
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Goffi <goffi@goffi.org>
parents: 1575
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173 def register(self, namespace, callback, priority=0, method_name=None):
846a39900fa6 plugins XEP-0096, XEP-0260, file: sendFile method is managed by file plugin, which choose the best available method + progress_id fix
Goffi <goffi@goffi.org>
parents: 1575
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174 """Register a fileSending method
846a39900fa6 plugins XEP-0096, XEP-0260, file: sendFile method is managed by file plugin, which choose the best available method + progress_id fix
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parents: 1575
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175
846a39900fa6 plugins XEP-0096, XEP-0260, file: sendFile method is managed by file plugin, which choose the best available method + progress_id fix
Goffi <goffi@goffi.org>
parents: 1575
diff changeset
176 @param namespace(unicode): XEP namespace
846a39900fa6 plugins XEP-0096, XEP-0260, file: sendFile method is managed by file plugin, which choose the best available method + progress_id fix
Goffi <goffi@goffi.org>
parents: 1575
diff changeset
177 @param callback(callable): method to call (must have the same signature as [fileSend])
846a39900fa6 plugins XEP-0096, XEP-0260, file: sendFile method is managed by file plugin, which choose the best available method + progress_id fix
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parents: 1575
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178 @param priority(int): pririoty of this method, the higher available will be used
846a39900fa6 plugins XEP-0096, XEP-0260, file: sendFile method is managed by file plugin, which choose the best available method + progress_id fix
Goffi <goffi@goffi.org>
parents: 1575
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179 @param method_name(unicode): short name for the method, namespace will be used if None
846a39900fa6 plugins XEP-0096, XEP-0260, file: sendFile method is managed by file plugin, which choose the best available method + progress_id fix
Goffi <goffi@goffi.org>
parents: 1575
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180 """
846a39900fa6 plugins XEP-0096, XEP-0260, file: sendFile method is managed by file plugin, which choose the best available method + progress_id fix
Goffi <goffi@goffi.org>
parents: 1575
diff changeset
181 for data in self._file_callbacks:
846a39900fa6 plugins XEP-0096, XEP-0260, file: sendFile method is managed by file plugin, which choose the best available method + progress_id fix
Goffi <goffi@goffi.org>
parents: 1575
diff changeset
182 if namespace == data[0]:
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parents: 2562
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183 raise exceptions.ConflictError(
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Goffi <goffi@goffi.org>
parents: 2562
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184 u"A method with this namespace is already registered"
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parents: 2562
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185 )
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parents: 2562
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186 self._file_callbacks.append(
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187 (namespace, callback, priority, method_name or namespace)
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parents: 2562
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188 )
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parents: 1575
diff changeset
189 self._file_callbacks.sort(key=lambda data: data[2], reverse=True)
846a39900fa6 plugins XEP-0096, XEP-0260, file: sendFile method is managed by file plugin, which choose the best available method + progress_id fix
Goffi <goffi@goffi.org>
parents: 1575
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190
846a39900fa6 plugins XEP-0096, XEP-0260, file: sendFile method is managed by file plugin, which choose the best available method + progress_id fix
Goffi <goffi@goffi.org>
parents: 1575
diff changeset
191 def unregister(self, namespace):
846a39900fa6 plugins XEP-0096, XEP-0260, file: sendFile method is managed by file plugin, which choose the best available method + progress_id fix
Goffi <goffi@goffi.org>
parents: 1575
diff changeset
192 for idx, data in enumerate(self._file_callbacks):
846a39900fa6 plugins XEP-0096, XEP-0260, file: sendFile method is managed by file plugin, which choose the best available method + progress_id fix
Goffi <goffi@goffi.org>
parents: 1575
diff changeset
193 if data[0] == namespace:
846a39900fa6 plugins XEP-0096, XEP-0260, file: sendFile method is managed by file plugin, which choose the best available method + progress_id fix
Goffi <goffi@goffi.org>
parents: 1575
diff changeset
194 del [idx]
846a39900fa6 plugins XEP-0096, XEP-0260, file: sendFile method is managed by file plugin, which choose the best available method + progress_id fix
Goffi <goffi@goffi.org>
parents: 1575
diff changeset
195 return
846a39900fa6 plugins XEP-0096, XEP-0260, file: sendFile method is managed by file plugin, which choose the best available method + progress_id fix
Goffi <goffi@goffi.org>
parents: 1575
diff changeset
196 raise exceptions.NotFound(u"The namespace to unregister doesn't exist")
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parents:
diff changeset
197
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198 # Dialogs with user
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199 # the overwrite check is done here
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diff changeset
200
2502
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parents: 2489
diff changeset
201 def openFileWrite(self, client, file_path, transfer_data, file_data, stream_object):
7ad5f2c4e34a XEP-0065,XEP-0096,XEP-0166,XEP-0235,XEP-0300: file transfer improvments:
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202 """create SatFile or FileStremaObject for the requested file and fill suitable data
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203 """
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204 if stream_object:
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205 assert "stream_object" not in transfer_data
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diff changeset
206 transfer_data["stream_object"] = stream.FileStreamObject(
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diff changeset
207 self.host,
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208 client,
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209 file_path,
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diff changeset
210 mode="wb",
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211 uid=file_data[PROGRESS_ID_KEY],
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212 size=file_data["size"],
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213 data_cb=file_data.get("data_cb"),
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214 )
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215 else:
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216 assert "file_obj" not in transfer_data
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217 transfer_data["file_obj"] = stream.SatFile(
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diff changeset
218 self.host,
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219 client,
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220 file_path,
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221 mode="wb",
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222 uid=file_data[PROGRESS_ID_KEY],
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223 size=file_data["size"],
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224 data_cb=file_data.get("data_cb"),
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225 )
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226
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227 def _gotConfirmation(
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228 self, data, client, peer_jid, transfer_data, file_data, stream_object
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229 ):
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230 """Called when the permission and dest path have been received
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diff changeset
231
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diff changeset
232 @param peer_jid(jid.JID): jid of the file sender
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233 @param transfer_data(dict): same as for [self.getDestDir]
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diff changeset
234 @param file_data(dict): same as for [self.getDestDir]
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235 @param stream_object(bool): same as for [self.getDestDir]
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diff changeset
236 return (bool): True if copy is wanted and OK
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diff changeset
237 False if user wants to cancel
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diff changeset
238 if file exists ask confirmation and call again self._getDestDir if needed
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diff changeset
239 """
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240 if data.get("cancelled", False):
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241 return False
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diff changeset
242 path = data["path"]
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diff changeset
243 file_data["file_path"] = file_path = os.path.join(path, file_data["name"])
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244 log.debug(u"destination file path set to {}".format(file_path))
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diff changeset
245
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
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diff changeset
246 # we manage case where file already exists
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diff changeset
247 if os.path.exists(file_path):
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248
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diff changeset
249 def check_overwrite(overwrite):
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diff changeset
250 if overwrite:
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251 self.openFileWrite(
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diff changeset
252 client, file_path, transfer_data, file_data, stream_object
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253 )
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254 return True
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diff changeset
255 else:
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256 return self.getDestDir(client, peer_jid, transfer_data, file_data)
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257
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258 exists_d = xml_tools.deferConfirm(
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259 self.host,
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260 _(CONFIRM_OVERWRITE).format(file_path),
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261 _(CONFIRM_OVERWRITE_TITLE),
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262 action_extra={
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263 "meta_from_jid": peer_jid.full(),
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264 "meta_type": C.META_TYPE_OVERWRITE,
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265 "meta_progress_id": file_data[PROGRESS_ID_KEY],
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266 },
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267 security_limit=SECURITY_LIMIT,
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268 profile=client.profile,
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269 )
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270 exists_d.addCallback(check_overwrite)
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271 return exists_d
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272
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273 self.openFileWrite(client, file_path, transfer_data, file_data, stream_object)
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274 return True
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275
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276 def getDestDir(self, client, peer_jid, transfer_data, file_data, stream_object=False):
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277 """Request confirmation and destination dir to user
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278
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279 Overwrite confirmation is managed.
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280 if transfer is confirmed, 'file_obj' is added to transfer_data
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281 @param peer_jid(jid.JID): jid of the file sender
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282 @param filename(unicode): name of the file
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283 @param transfer_data(dict): data of the transfer session,
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284 it will be only used to store the file_obj.
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285 "file_obj" (or "stream_object") key *MUST NOT* exist before using getDestDir
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286 @param file_data(dict): information about the file to be transfered
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287 It MUST contain the following keys:
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288 - peer_jid (jid.JID): other peer jid
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289 - name (unicode): name of the file to trasnsfer
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290 the name must not be empty or contain a "/" character
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291 - size (int): size of the file
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292 - desc (unicode): description of the file
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293 - progress_id (unicode): id to use for progression
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294 It *MUST NOT* contain the "peer" key
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295 It may contain:
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296 - data_cb (callable): method called on each data read/write
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297 "file_path" will be added to this dict once destination selected
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298 "size_human" will also be added with human readable file size
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299 @param stream_object(bool): if True, a stream_object will be used instead of file_obj
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300 a stream.FileStreamObject will be used
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301 return (defer.Deferred): True if transfer is accepted
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302 """
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303 cont, ret_value = self.host.trigger.returnPoint(
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304 "FILE_getDestDir", client, peer_jid, transfer_data, file_data, stream_object
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305 )
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306 if not cont:
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307 return ret_value
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308 filename = file_data["name"]
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309 assert filename and not "/" in filename
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310 assert PROGRESS_ID_KEY in file_data
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311 # human readable size
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312 file_data["size_human"] = u"{:.6n} Mio".format(
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313 float(file_data["size"]) / (1024 ** 2)
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314 )
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315 d = xml_tools.deferDialog(
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316 self.host,
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317 _(CONFIRM).format(peer=peer_jid.full(), **file_data),
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318 _(CONFIRM_TITLE),
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319 type_=C.XMLUI_DIALOG_FILE,
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320 options={C.XMLUI_DATA_FILETYPE: C.XMLUI_DATA_FILETYPE_DIR},
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321 action_extra={
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322 "meta_from_jid": peer_jid.full(),
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323 "meta_type": C.META_TYPE_FILE,
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324 "meta_progress_id": file_data[PROGRESS_ID_KEY],
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325 },
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326 security_limit=SECURITY_LIMIT,
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327 profile=client.profile,
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328 )
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329 d.addCallback(
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330 self._gotConfirmation,
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331 client,
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332 peer_jid,
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333 transfer_data,
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334 file_data,
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335 stream_object,
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336 )
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337 return d