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annotate sat_frontends/jp/cmd_application.py @ 3452:bb0225aaf4e6

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plugin XEP-0346: "Form Discovery and Publishing" implementation: this implementation replaces the former non standard node schema, and works in a similar way (the schema is put in a separated node instead of a special field, thus it will now work with most/all PubSub services, and not only SàT PubSub). The implementation has been done in a way that nothing should be changed in frontends (bridge methods names and arguments stay the same). The nodes are modified, but if values are taken from backend, it's automatically adapted.
author Goffi <goffi@goffi.org>
date Fri, 11 Dec 2020 17:57:00 +0100
parents 297389b1563c
children be6d91572633
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #!/usr/bin/env python3
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2
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3 # jp: a SàT command line tool
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4 # Copyright (C) 2009-2020 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 from . import base
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20 from sat.core.i18n import _
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21 from sat.tools.common import data_format
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22 from sat_frontends.jp.constants import Const as C
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23
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24 __commands__ = ["Application"]
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25
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26
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27 class List(base.CommandBase):
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28 """List available applications"""
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29
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30 def __init__(self, host):
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31 super(List, self).__init__(
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32 host, "list", use_profile=False, use_output=C.OUTPUT_LIST,
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33 help=_("list available applications")
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34 )
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35
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36 def add_parser_options(self):
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37 # FIXME: "extend" would be better here, but it's only available from Python 3.8+
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38 # so we use "append" until minimum version of Python is raised.
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39 self.parser.add_argument(
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40 "-f",
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41 "--filter",
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42 dest="filters",
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43 action="append",
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44 choices=["available", "running"],
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45 help=_("show applications with this status"),
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46 )
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47
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48 async def start(self):
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49
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50 # FIXME: this is only needed because we can't use "extend" in
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51 # add_parser_options, see note there
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52 if self.args.filters:
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53 self.args.filters = list(set(self.args.filters))
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54 else:
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55 self.args.filters = ['available']
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56
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57 try:
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58 found_apps = await self.host.bridge.applicationsList(self.args.filters)
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59 except Exception as e:
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60 self.disp(f"can't get applications list: {e}", error=True)
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61 self.host.quit(C.EXIT_BRIDGE_ERRBACK)
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62 else:
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63 await self.output(found_apps)
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64 self.host.quit()
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65
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66
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67 class Start(base.CommandBase):
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68 """Start an application"""
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69
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70 def __init__(self, host):
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71 super(Start, self).__init__(
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72 host, "start", use_profile=False, help=_("start an application")
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73 )
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75 def add_parser_options(self):
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76 self.parser.add_argument(
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77 "name",
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78 help=_("name of the application to start"),
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79 )
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80
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81 async def start(self):
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82 try:
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83 await self.host.bridge.applicationStart(
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84 self.args.name,
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85 "",
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86 )
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87 except Exception as e:
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88 self.disp(f"can't start {self.args.name}: {e}", error=True)
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89 self.host.quit(C.EXIT_BRIDGE_ERRBACK)
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90 else:
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91 self.host.quit()
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92
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93
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94 class Stop(base.CommandBase):
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95
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96 def __init__(self, host):
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97 super(Stop, self).__init__(
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98 host, "stop", use_profile=False, help=_("stop a running application")
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99 )
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100
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101 def add_parser_options(self):
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102 id_group = self.parser.add_mutually_exclusive_group(required=True)
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103 id_group.add_argument(
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104 "name",
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105 nargs="?",
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106 help=_("name of the application to stop"),
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107 )
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108 id_group.add_argument(
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109 "-i",
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110 "--id",
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111 help=_("identifier of the instance to stop"),
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112 )
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113
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114 async def start(self):
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115 try:
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116 if self.args.name is not None:
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117 args = [self.args.name, "name"]
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118 else:
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119 args = [self.args.id, "instance"]
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120 await self.host.bridge.applicationStop(
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121 *args,
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122 "",
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123 )
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124 except Exception as e:
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125 if self.args.name is not None:
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126 self.disp(
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127 f"can't stop application {self.args.name!r}: {e}", error=True)
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128 else:
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129 self.disp(
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130 f"can't stop application instance with id {self.args.id!r}: {e}",
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131 error=True)
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132 self.host.quit(C.EXIT_BRIDGE_ERRBACK)
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133 else:
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134 self.host.quit()
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135
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136
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137 class Exposed(base.CommandBase):
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138
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139 def __init__(self, host):
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140 super(Exposed, self).__init__(
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141 host, "exposed", use_profile=False, use_output=C.OUTPUT_DICT,
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142 help=_("show data exposed by a running application")
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143 )
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144
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145 def add_parser_options(self):
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146 id_group = self.parser.add_mutually_exclusive_group(required=True)
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147 id_group.add_argument(
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148 "name",
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149 nargs="?",
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150 help=_("name of the application to stop"),
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151 )
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152 id_group.add_argument(
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153 "-i",
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154 "--id",
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155 help=_("identifier of the instance to stop"),
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156 )
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157
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158 async def start(self):
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159 try:
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160 if self.args.name is not None:
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161 args = [self.args.name, "name"]
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162 else:
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163 args = [self.args.id, "instance"]
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164 exposed_data_raw = await self.host.bridge.applicationExposedGet(
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165 *args,
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166 "",
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167 )
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168 except Exception as e:
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169 if self.args.name is not None:
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170 self.disp(
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171 f"can't get values exposed from application {self.args.name!r}: {e}",
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172 error=True)
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173 else:
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174 self.disp(
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175 f"can't values exposed from application instance with id {self.args.id!r}: {e}",
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176 error=True)
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177 self.host.quit(C.EXIT_BRIDGE_ERRBACK)
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178 else:
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179 exposed_data = data_format.deserialise(exposed_data_raw)
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180 await self.output(exposed_data)
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181 self.host.quit()
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182
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183
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184 class Application(base.CommandBase):
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185 subcommands = (List, Start, Stop, Exposed)
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186
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187 def __init__(self, host):
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188 super(Application, self).__init__(
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189 host, "application", use_profile=False, help=_("manage applications"),
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190 aliases=['app'],
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191 )