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annotate sat/plugins/plugin_misc_file.py @ 3330:7b47f48d31f3

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plugin XEP-0264: fix orientation of thumbnails: Rotation of thumbnailis is now modified according to EXIF orientation data. Original image is not modified as user may want to keep it, and orientation transformation can modify encoding parameters. Update `pillow` minimum version to the first one with `exif_transpose` implementation.
author Goffi <goffi@goffi.org>
date Thu, 13 Aug 2020 23:46:18 +0200
parents f2bb57348587
children 404d4b29de52
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1 #!/usr/bin/env python3
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2
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3
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4 # SAT plugin for file tansfer
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5 # Copyright (C) 2009-2020 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_("Please select a file to send to {peer}")
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49 SENDING_TITLE = D_("File sending")
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50 CONFIRM = D_(
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51 '{peer} wants to send the file "{name}" to you:\n{desc}\n\nThe file has a size of '
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52 '{size_human}\n\nDo you accept ?'
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53 )
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54 CONFIRM_TITLE = D_("Confirm file transfer")
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55 CONFIRM_OVERWRITE = D_("File {} already exists, are you sure you want to overwrite ?")
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56 CONFIRM_OVERWRITE_TITLE = D_("File exists")
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57 SECURITY_LIMIT = 30
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58
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59 PROGRESS_ID_KEY = "progress_id"
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60
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61
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62 class FilePlugin:
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63 File = stream.SatFile
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64
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65 def __init__(self, host):
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66 log.info(_("plugin File initialization"))
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67 self.host = host
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68 host.bridge.addMethod(
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69 "fileSend",
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70 ".plugin",
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71 in_sign="ssssa{ss}s",
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72 out_sign="a{ss}",
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73 method=self._fileSend,
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74 async_=True,
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75 )
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76 self._file_callbacks = []
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77 host.importMenu(
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78 (D_("Action"), D_("send file")),
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79 self._fileSendMenu,
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80 security_limit=10,
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81 help_string=D_("Send a file"),
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82 type_=C.MENU_SINGLE,
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83 )
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84
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85 def _fileSend(self, peer_jid_s, filepath, name="", file_desc="", extra=None,
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86 profile=C.PROF_KEY_NONE):
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87 client = self.host.getClient(profile)
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88 return self.fileSend(
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89 client, jid.JID(peer_jid_s), filepath, name or None, file_desc or None, extra
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90 )
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92 @defer.inlineCallbacks
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93 def fileSend(
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94 self, client, peer_jid, filepath, filename=None, file_desc=None, extra=None
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95 ):
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96 """Send a file using best available method
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98 @param peer_jid(jid.JID): jid of the destinee
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99 @param filepath(str): absolute path to the file
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100 @param filename(unicode, None): name to use, or None to find it from filepath
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101 @param file_desc(unicode, None): description of the file
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102 @param profile: %(doc_profile)s
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103 @return (dict): action dictionary, with progress id in case of success, else
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104 xmlui message
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105 """
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106 if not os.path.isfile(filepath):
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107 raise exceptions.DataError("The given path doesn't link to a file")
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108 if not filename:
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109 filename = os.path.basename(filepath) or "_"
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110 for namespace, callback, priority, method_name in self._file_callbacks:
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111 has_feature = yield self.host.hasFeature(client, namespace, peer_jid)
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112 if has_feature:
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113 log.info(
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114 "{name} method will be used to send the file".format(
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115 name=method_name
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116 )
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117 )
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118 progress_id = yield callback(
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119 client, peer_jid, filepath, filename, file_desc, extra
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120 )
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121 defer.returnValue({"progress": progress_id})
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122 msg = "Can't find any method to send file to {jid}".format(jid=peer_jid.full())
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123 log.warning(msg)
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124 defer.returnValue(
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125 {
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126 "xmlui": xml_tools.note(
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127 "Can't transfer file", msg, C.XMLUI_DATA_LVL_WARNING
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128 ).toXml()
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129 }
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130 )
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131
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132 def _onFileChoosed(self, client, peer_jid, data):
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133 cancelled = C.bool(data.get("cancelled", C.BOOL_FALSE))
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134 if cancelled:
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135 return
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136 path = data["path"]
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137 return self.fileSend(client, peer_jid, path)
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138
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139 def _fileSendMenu(self, data, profile):
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parents: 1626
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140 """ XMLUI activated by menu: return file sending UI
591e04f0103c plugin file: added "Action/send" file menu
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141
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142 @param profile: %(doc_profile)s
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143 """
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144 try:
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145 jid_ = jid.JID(data["jid"])
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146 except RuntimeError:
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147 raise exceptions.DataError(_("Invalid JID"))
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148
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149 file_choosed_id = self.host.registerCallback(
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150 lambda data, profile: self._onFileChoosed(
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151 self.host.getClient(profile), jid_, data
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152 ),
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153 with_data=True,
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154 one_shot=True,
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155 )
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156 xml_ui = xml_tools.XMLUI(
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157 C.XMLUI_DIALOG,
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158 dialog_opt={
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159 C.XMLUI_DATA_TYPE: C.XMLUI_DIALOG_FILE,
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160 C.XMLUI_DATA_MESS: _(SENDING).format(peer=jid_.full()),
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161 },
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162 title=_(SENDING_TITLE),
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163 submit_id=file_choosed_id,
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164 )
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165
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166 return {"xmlui": xml_ui.toXml()}
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167
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168 def register(self, namespace, callback, priority=0, method_name=None):
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169 """Register a fileSending method
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170
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171 @param namespace(unicode): XEP namespace
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172 @param callback(callable): method to call (must have the same signature as [fileSend])
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173 @param priority(int): pririoty of this method, the higher available will be used
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parents: 1575
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174 @param method_name(unicode): short name for the method, namespace will be used if None
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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
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parents: 1575
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176 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
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177 if namespace == data[0]:
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178 raise exceptions.ConflictError(
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179 "A method with this namespace is already registered"
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180 )
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181 self._file_callbacks.append(
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182 (namespace, callback, priority, method_name or namespace)
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183 )
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184 self._file_callbacks.sort(key=lambda data: data[2], reverse=True)
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185
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186 def unregister(self, namespace):
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187 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
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188 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
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189 del [idx]
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190 return
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191 raise exceptions.NotFound("The namespace to unregister doesn't exist")
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parents:
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192
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193 # Dialogs with user
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194 # the overwrite check is done here
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195
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196 def openFileWrite(self, client, file_path, transfer_data, file_data, stream_object):
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197 """create SatFile or FileStremaObject for the requested file and fill suitable data
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198 """
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199 if stream_object:
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200 assert "stream_object" not in transfer_data
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201 transfer_data["stream_object"] = stream.FileStreamObject(
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202 self.host,
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203 client,
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204 file_path,
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205 mode="wb",
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206 uid=file_data[PROGRESS_ID_KEY],
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207 size=file_data["size"],
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208 data_cb=file_data.get("data_cb"),
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209 )
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210 else:
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211 assert "file_obj" not in transfer_data
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212 transfer_data["file_obj"] = stream.SatFile(
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213 self.host,
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214 client,
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215 file_path,
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216 mode="wb",
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217 uid=file_data[PROGRESS_ID_KEY],
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218 size=file_data["size"],
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219 data_cb=file_data.get("data_cb"),
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220 )
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221
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222 def _gotConfirmation(
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223 self, data, client, peer_jid, transfer_data, file_data, stream_object
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224 ):
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225 """Called when the permission and dest path have been received
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226
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227 @param peer_jid(jid.JID): jid of the file sender
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228 @param transfer_data(dict): same as for [self.getDestDir]
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229 @param file_data(dict): same as for [self.getDestDir]
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230 @param stream_object(bool): same as for [self.getDestDir]
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231 return (bool): True if copy is wanted and OK
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232 False if user wants to cancel
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diff changeset
233 if file exists ask confirmation and call again self._getDestDir if needed
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234 """
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235 if data.get("cancelled", False):
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236 return False
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237 path = data["path"]
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238 file_data["file_path"] = file_path = os.path.join(path, file_data["name"])
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239 log.debug("destination file path set to {}".format(file_path))
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240
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diff changeset
241 # we manage case where file already exists
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diff changeset
242 if os.path.exists(file_path):
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243
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diff changeset
244 def check_overwrite(overwrite):
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245 if overwrite:
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246 self.openFileWrite(
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247 client, file_path, transfer_data, file_data, stream_object
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248 )
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249 return True
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250 else:
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251 return self.getDestDir(client, peer_jid, transfer_data, file_data)
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252
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diff changeset
253 exists_d = xml_tools.deferConfirm(
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diff changeset
254 self.host,
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diff changeset
255 _(CONFIRM_OVERWRITE).format(file_path),
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256 _(CONFIRM_OVERWRITE_TITLE),
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257 action_extra={
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258 "meta_from_jid": peer_jid.full(),
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259 "meta_type": C.META_TYPE_OVERWRITE,
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260 "meta_progress_id": file_data[PROGRESS_ID_KEY],
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261 },
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262 security_limit=SECURITY_LIMIT,
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263 profile=client.profile,
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264 )
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265 exists_d.addCallback(check_overwrite)
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266 return exists_d
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267
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268 self.openFileWrite(client, file_path, transfer_data, file_data, stream_object)
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269 return True
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270
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271 def getDestDir(self, client, peer_jid, transfer_data, file_data, stream_object=False):
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272 """Request confirmation and destination dir to user
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273
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274 Overwrite confirmation is managed.
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275 if transfer is confirmed, 'file_obj' is added to transfer_data
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276 @param peer_jid(jid.JID): jid of the file sender
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277 @param filename(unicode): name of the file
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278 @param transfer_data(dict): data of the transfer session,
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279 it will be only used to store the file_obj.
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280 "file_obj" (or "stream_object") key *MUST NOT* exist before using getDestDir
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281 @param file_data(dict): information about the file to be transfered
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282 It MUST contain the following keys:
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283 - peer_jid (jid.JID): other peer jid
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284 - name (unicode): name of the file to trasnsfer
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285 the name must not be empty or contain a "/" character
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286 - size (int): size of the file
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287 - desc (unicode): description of the file
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288 - progress_id (unicode): id to use for progression
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289 It *MUST NOT* contain the "peer" key
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290 It may contain:
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291 - data_cb (callable): method called on each data read/write
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292 "file_path" will be added to this dict once destination selected
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293 "size_human" will also be added with human readable file size
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294 @param stream_object(bool): if True, a stream_object will be used instead of file_obj
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295 a stream.FileStreamObject will be used
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296 return (defer.Deferred): True if transfer is accepted
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297 """
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298 cont, ret_value = self.host.trigger.returnPoint(
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299 "FILE_getDestDir", client, peer_jid, transfer_data, file_data, stream_object
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300 )
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301 if not cont:
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302 return ret_value
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303 filename = file_data["name"]
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304 assert filename and not "/" in filename
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305 assert PROGRESS_ID_KEY in file_data
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306 # human readable size
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307 file_data["size_human"] = "{:.6n} Mio".format(
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308 float(file_data["size"]) / (1024 ** 2)
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309 )
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310 d = xml_tools.deferDialog(
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311 self.host,
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312 _(CONFIRM).format(peer=peer_jid.full(), **file_data),
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313 _(CONFIRM_TITLE),
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314 type_=C.XMLUI_DIALOG_FILE,
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315 options={C.XMLUI_DATA_FILETYPE: C.XMLUI_DATA_FILETYPE_DIR},
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316 action_extra={
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317 "meta_from_jid": peer_jid.full(),
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318 "meta_type": C.META_TYPE_FILE,
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319 "meta_progress_id": file_data[PROGRESS_ID_KEY],
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320 },
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321 security_limit=SECURITY_LIMIT,
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322 profile=client.profile,
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323 )
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324 d.addCallback(
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325 self._gotConfirmation,
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326 client,
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327 peer_jid,
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328 transfer_data,
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329 file_data,
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330 stream_object,
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331 )
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332 return d