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annotate libervia/backend/plugins/plugin_xep_0166/models.py @ 4180:b86912d3fd33

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plugin IP: fix use of legacy URL + coroutine use: An https:/salut-a-toi.org URL was used to retrieve external IP, but it's not valid anymore, resulting in an exception. This feature is currently disabled. Also moved several methods from legacy inline callbacks to coroutines.
author Goffi <goffi@goffi.org>
date Sat, 09 Dec 2023 14:30:54 +0100
parents 0da563780ffc
children e11b13418ba6
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1 #!/usr/bin/env python3
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2
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3 # Libervia plugin for Jingle (XEP-0166)
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4 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
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5
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6 # This program is free software: you can redistribute it and/or modify
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7 # it under the terms of the GNU Affero General Public License as published by
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8 # the Free Software Foundation, either version 3 of the License, or
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9 # (at your option) any later version.
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10
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11 # This program is distributed in the hope that it will be useful,
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 # GNU Affero General Public License for more details.
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15
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16 # You should have received a copy of the GNU Affero General Public License
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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18
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19
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20 import abc
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21 from dataclasses import dataclass
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22 from typing import Awaitable, Callable, Union
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23
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24 from twisted.internet import defer
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25 from twisted.words.xish import domish
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26
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27 from libervia.backend.core import exceptions
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28 from libervia.backend.core.core_types import SatXMPPEntity
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29 from libervia.backend.core.i18n import _
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31 class BaseApplicationHandler(abc.ABC):
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32
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33 @abc.abstractmethod
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34 async def jingle_preflight(
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35 self,
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36 client: SatXMPPEntity,
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37 session: dict,
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38 description_elt: domish.Element
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39 ) -> None:
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40 """Called when preparation steps are needed by a plugin
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41
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42 Notably used by XEP-0353 when a initiation message is received
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43 """
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44 pass
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46 @abc.abstractmethod
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47 async def jingle_preflight_info(
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48 self,
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49 client: SatXMPPEntity,
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50 session: dict,
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51 info_type: str,
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52 info_data: dict|None = None
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53 ) -> None:
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54 """Called when we have new information during preflight
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55
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56 Notably used by XEP-0353 to signal ringing
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57 """
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58 pass
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59
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60 @abc.abstractmethod
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61 async def jingle_preflight_cancel(
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62 self,
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63 client: SatXMPPEntity,
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64 session: dict,
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65 cancel_error: exceptions.CancelError
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66 ) -> None:
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67 """Called when preflight initiation is cancelled
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68
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69 Notably used by XEP-0353 when an initiation message is cancelled
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70 """
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71 pass
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72
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73 @abc.abstractmethod
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74 def jingle_request_confirmation(
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75 self,
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76 client: SatXMPPEntity,
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77 action: str,
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78 session: dict,
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79 content_name: str,
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80 desc_elt: domish.Element,
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81 ) -> Union[
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82 Callable[..., Union[bool, defer.Deferred]],
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83 Callable[..., Awaitable[bool]]
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84 ]:
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85 """If present, it is called on when session must be accepted.
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86 If not present, a generic accept dialog will be used.
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87
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88 @param session: Jingle Session
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89 @param desc_elt: <description> element
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90 @return: True if the session is accepted.
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91 A Deferred can be returned.
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92 """
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93 pass
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94
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95 @abc.abstractmethod
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96 def jingle_session_init(
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97 self,
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98 client: SatXMPPEntity,
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99 session: dict,
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100 content_name: str,
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101 *args, **kwargs
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102 ) -> Union[
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103 Callable[..., domish.Element],
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104 Callable[..., Awaitable[domish.Element]]
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105 ]:
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106 """Must return the domish.Element used for initial content.
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107
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108 @param client: SatXMPPEntity instance
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109 @param session: Jingle Session
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110 @param content_name: Name of the content
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111 @return: The domish.Element used for initial content
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112 """
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113 pass
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114
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115 @abc.abstractmethod
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116 def jingle_handler(
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117 self,
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118 client: SatXMPPEntity,
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119 action: str,
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120 session: dict,
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121 content_name: str,
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122 transport_elt: domish.Element
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123 ) -> Union[
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124 Callable[..., None],
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125 Callable[..., Awaitable[None]]
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126 ]:
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127 """Called on several actions to negotiate the application or transport.
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128
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129 @param client: SatXMPPEntity instance
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130 @param action: Jingle action
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131 @param session: Jingle Session
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132 @param content_name: Name of the content
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133 @param transport_elt: Transport element
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134 """
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135 pass
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136
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137 @abc.abstractmethod
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138 def jingle_terminate(
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139 self,
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140 client: SatXMPPEntity,
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141 action: str,
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142 session: dict,
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143 content_name: str,
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144 reason_elt: domish.Element
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145 ) -> Union[
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146 Callable[..., None],
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147 Callable[..., Awaitable[None]]
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148 ]:
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149 """Called on session terminate, with reason_elt.
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150 May be used to clean session.
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151
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152 @param reason_elt: Reason element
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153 """
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154 pass
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155
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156
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157 class BaseTransportHandler(abc.ABC):
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158
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159 @abc.abstractmethod
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160 def jingle_session_init(
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161 self,
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162 client: SatXMPPEntity,
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163 session: dict,
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164 content_name: str,
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165 *args, **kwargs
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166 ) -> Union[
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167 Callable[..., domish.Element],
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168 Callable[..., Awaitable[domish.Element]]
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169 ]:
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170 """Must return the domish.Element used for initial content.
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171
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172 @param client: SatXMPPEntity instance
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173 @param session: Jingle Session
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174 @param content_name: Name of the content
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175 @return: The domish.Element used for initial content
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176 """
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177 pass
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178
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179 @abc.abstractmethod
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180 def jingle_handler(
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181 self,
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182 client: SatXMPPEntity,
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183 action: str,
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184 session: dict,
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185 content_name: str,
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186 reason_elt: domish.Element
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187 ) -> Union[
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188 Callable[..., None],
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189 Callable[..., Awaitable[None]]
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190 ]:
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191 """Called on several actions to negotiate the application or transport.
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192
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193 @param client: SatXMPPEntity instance
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194 @param action: Jingle action
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195 @param session: Jingle Session
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196 @param content_name: Name of the content
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197 @param reason_elt: <reason> element
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198 """
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199 pass
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200
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201
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202 @dataclass(frozen=True)
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203 class ApplicationData:
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204 namespace: str
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205 handler: BaseApplicationHandler
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206
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207
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208 @dataclass(frozen=True)
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209 class TransportData:
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210 namespace: str
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211 handler: BaseTransportHandler
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212 priority: int
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213
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214
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215 @dataclass(frozen=True)
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216 class ContentData:
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217 application: ApplicationData
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218 app_args: list
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219 app_kwargs: dict
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220 transport_data: dict
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221 content_name: str