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annotate sat/plugins/plugin_misc_upload.py @ 2865:9213c6dff48d

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plugin XEP-0198: reset req_timer on session.reset(): req_timer may not have been called when session.reset() is called (e.g. on resuming failed after computer has been suspended), so reset() must cancel it and set its value to None.
author Goffi <goffi@goffi.org>
date Thu, 21 Mar 2019 08:54:59 +0100
parents a97a5c73594d
children 3cac3d050046
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1934
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 twisted.internet import defer
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28 from twisted.words.protocols.jabber import jid
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29 from twisted.words.protocols.jabber import error as jabber_error
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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 Upload",
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36 C.PI_IMPORT_NAME: "UPLOAD",
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37 C.PI_TYPE: C.PLUG_TYPE_MISC,
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38 C.PI_MAIN: "UploadPlugin",
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39 C.PI_HANDLER: "no",
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40 C.PI_DESCRIPTION: _("""File upload management"""),
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41 }
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42
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43
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44 UPLOADING = D_(u"Please select a file to upload")
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45 UPLOADING_TITLE = D_(u"File upload")
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46 BOOL_OPTIONS = ("ignore_tls_errors",)
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47
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48
d470affbe65c plugin XEP-0363, upload: File upload (through HTTP upload only for now):
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49 class UploadPlugin(object):
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50 # TODO: plugin unload
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51
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52 def __init__(self, host):
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53 log.info(_("plugin Upload initialization"))
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54 self.host = host
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55 host.bridge.addMethod(
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56 "fileUpload",
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57 ".plugin",
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58 in_sign="sssa{ss}s",
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59 out_sign="a{ss}",
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60 method=self._fileUpload,
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61 async=True,
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62 )
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63 self._upload_callbacks = []
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64
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65 def _fileUpload(
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66 self, filepath, filename, upload_jid_s="", options=None, profile=C.PROF_KEY_NONE
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67 ):
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68 client = self.host.getClient(profile)
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69 upload_jid = jid.JID(upload_jid_s) if upload_jid_s else None
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70 if options is None:
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71 options = {}
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72 # we convert values that are well-known booleans
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73 for bool_option in BOOL_OPTIONS:
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74 try:
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75 options[bool_option] = C.bool(options[bool_option])
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76 except KeyError:
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77 pass
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78
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79 return self.fileUpload(
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80 client, filepath, filename or None, upload_jid, options or None
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81 )
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82
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83 def fileUpload(self, client, filepath, filename, upload_jid, options):
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84 """Send a file using best available method
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85
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86 parameters are the same as for [upload]
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87 @return (dict): action dictionary, with progress id in case of success, else xmlui message
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88 """
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89
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90 def uploadCb(data):
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91 progress_id, __ = data
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92 return {"progress": progress_id}
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93
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94 def uploadEb(fail):
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95 if (isinstance(fail.value, jabber_error.StanzaError)
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96 and fail.value.condition == 'not-acceptable'):
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97 reason = fail.value.text
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98 else:
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99 reason = unicode(fail.value)
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100 msg = D_(u"Can't upload file: {reason}").format(reason=reason)
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101 log.warning(msg)
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102 return {
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103 "xmlui": xml_tools.note(
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104 msg, D_(u"Can't upload file"), C.XMLUI_DATA_LVL_WARNING
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105 ).toXml()
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106 }
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107
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108 d = self.upload(client, filepath, filename, upload_jid, options)
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109 d.addCallback(uploadCb)
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110 d.addErrback(uploadEb)
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111 return d
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112
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113 @defer.inlineCallbacks
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114 def upload(self, client, filepath, filename=None, upload_jid=None, options=None):
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115 """Send a file using best available method
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116
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117 @param filepath(str): absolute path to the file
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118 @param filename(None, unicode): name to use for the upload
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119 None to use basename of the path
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120 @param upload_jid(jid.JID, None): upload capable entity jid,
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121 or None to use autodetected, if possible
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122 @param options(dict): option to use for the upload, may be:
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123 - ignore_tls_errors(bool): True to ignore SSL/TLS certificate verification
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124 used only if HTTPS transport is needed
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125 @param profile: %(doc_profile)s
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126 @return (tuple[unicode,D(unicode)]): progress_id and a Deferred which fire download URL
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127 when upload is finished
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128 """
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129 if options is None:
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130 options = {}
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131 if not os.path.isfile(filepath):
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132 raise exceptions.DataError(u"The given path doesn't link to a file")
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133 for method_name, available_cb, upload_cb, priority in self._upload_callbacks:
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134 try:
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135 upload_jid = yield available_cb(upload_jid, client.profile)
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136 except exceptions.NotFound:
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137 continue # no entity managing this extension found
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138
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139 log.info(
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140 u"{name} method will be used to upload the file".format(name=method_name)
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141 )
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142 progress_id_d, download_d = yield upload_cb(
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143 filepath, filename, upload_jid, options, client.profile
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144 )
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145 progress_id = yield progress_id_d
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146 defer.returnValue((progress_id, download_d))
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147
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148 raise exceptions.NotFound(u"Can't find any method to upload a file")
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149
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150 def register(self, method_name, available_cb, upload_cb, priority=0):
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151 """Register a fileUploading method
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152
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153 @param method_name(unicode): short name for the method, must be unique
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154 @param available_cb(callable): method to call to check if this method is usable
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155 the callback must take two arguments: upload_jid (can be None) and profile
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156 the callback must return the first entity found (being upload_jid or one of its components)
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157 exceptions.NotFound must be raised if no entity has been found
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158 @param upload_cb(callable): method to upload a file
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159 must have the same signature as [fileUpload]
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160 must return a tuple with progress_id and a Deferred which fire download URL when
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161 upload is finished
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162 @param priority(int): pririoty of this method, the higher available will be used
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163 """
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164 assert method_name
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165 for data in self._upload_callbacks:
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166 if method_name == data[0]:
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167 raise exceptions.ConflictError(
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168 u"A method with this name is already registered"
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169 )
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170 self._upload_callbacks.append((method_name, available_cb, upload_cb, priority))
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171 self._upload_callbacks.sort(key=lambda data: data[3], reverse=True)
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172
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173 def unregister(self, method_name):
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174 for idx, data in enumerate(self._upload_callbacks):
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parents:
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175 if data[0] == method_name:
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parents:
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176 del [idx]
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177 return
d470affbe65c plugin XEP-0363, upload: File upload (through HTTP upload only for now):
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178 raise exceptions.NotFound(u"The name to unregister doesn't exist")