Mercurial > libervia-backend

annotate libervia/cli/cmd_debug.py @ 4268:51d004e50786

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docker (backend): set `+use_local_shared_tmp` in conf.
author Goffi <goffi@goffi.org>
date Thu, 13 Jun 2024 13:22:41 +0200
parents 4ed8de94c926
children
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
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4 # Libervia CLI
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5 # Copyright (C) 2009-2021 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
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21 from . import base
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22 from libervia.backend.core.i18n import _
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23 from libervia.cli.constants import Const as C
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24 from libervia.backend.tools.common.ansi import ANSI as A
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25 import json
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26
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27 __commands__ = ["Debug"]
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28
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29
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30 class BridgeCommon(object):
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31 def eval_args(self):
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32 if self.args.arg:
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33 try:
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34 return eval("[{}]".format(",".join(self.args.arg)))
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35 except SyntaxError as e:
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36 self.disp(
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37 "Can't evaluate arguments: {mess}\n{text}\n{offset}^".format(
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38 mess=e, text=e.text, offset=" " * (e.offset - 1)
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39 ),
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40 error=True,
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41 )
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42 self.host.quit(C.EXIT_BAD_ARG)
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43 else:
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44 return []
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45
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46
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47 class Method(base.CommandBase, BridgeCommon):
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48 def __init__(self, host):
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49 base.CommandBase.__init__(self, host, "method", help=_("call a bridge method"))
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50 BridgeCommon.__init__(self)
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51
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52 def add_parser_options(self):
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53 self.parser.add_argument(
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54 "method", type=str, help=_("name of the method to execute")
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55 )
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56 self.parser.add_argument("arg", nargs="*", help=_("argument of the method"))
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57
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58 async def start(self):
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59 method = getattr(self.host.bridge, self.args.method)
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60 import inspect
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61
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62 argspec = inspect.getfullargspec(method)
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63
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64 kwargs = {}
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65 if "profile_key" in argspec.args:
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66 kwargs["profile_key"] = self.profile
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67 elif "profile" in argspec.args:
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68 kwargs["profile"] = self.profile
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69
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70 args = self.eval_args()
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71
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72 try:
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73 ret = await method(
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74 *args,
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75 **kwargs,
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76 )
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77 except Exception as e:
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78 self.disp(
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79 _("Error while executing {method}: {e}").format(
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80 method=self.args.method, e=e
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81 ),
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82 error=True,
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83 )
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84 self.host.quit(C.EXIT_ERROR)
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85 else:
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86 if ret is not None:
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87 self.disp(str(ret))
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88 self.host.quit()
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89
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90
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91 class Signal(base.CommandBase, BridgeCommon):
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92 def __init__(self, host):
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93 base.CommandBase.__init__(
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94 self, host, "signal", help=_("send a fake signal from backend")
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95 )
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96 BridgeCommon.__init__(self)
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97
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98 def add_parser_options(self):
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99 self.parser.add_argument("signal", type=str, help=_("name of the signal to send"))
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100 self.parser.add_argument("arg", nargs="*", help=_("argument of the signal"))
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101
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102 async def start(self):
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103 args = self.eval_args()
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104 json_args = json.dumps(args)
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105 # XXX: we use self.args.profile and not self.profile
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106 # because we want the raw profile_key (so plugin handle C.PROF_KEY_NONE)
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107 try:
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108 await self.host.bridge.debug_signal_fake(
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109 self.args.signal, json_args, self.args.profile
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110 )
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111 except Exception as e:
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112 self.disp(_("Can't send fake signal: {e}").format(e=e), error=True)
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113 self.host.quit(C.EXIT_ERROR)
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114 else:
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115 self.host.quit()
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116
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117
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118 class bridge(base.CommandBase):
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119 subcommands = (Method, Signal)
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120
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121 def __init__(self, host):
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122 super(bridge, self).__init__(
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123 host, "bridge", use_profile=False, help=_("bridge s(t)imulation")
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124 )
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125
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126
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127 class Monitor(base.CommandBase):
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128 def __init__(self, host):
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129 super(Monitor, self).__init__(
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130 host,
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131 "monitor",
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132 use_verbose=True,
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133 use_profile=False,
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134 use_output=C.OUTPUT_XML,
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135 help=_("monitor XML stream"),
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136 )
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137
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138 def add_parser_options(self):
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139 self.parser.add_argument(
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140 "-d",
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141 "--direction",
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142 choices=("in", "out", "both"),
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143 default="both",
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144 help=_("stream direction filter"),
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145 )
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146
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147 async def print_xml(self, direction, xml_data, profile):
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148 if self.args.direction == "in" and direction != "IN":
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149 return
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150 if self.args.direction == "out" and direction != "OUT":
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151 return
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152 verbosity = self.host.verbosity
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153 if not xml_data.strip():
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154 if verbosity <= 2:
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155 return
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156 whiteping = True
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157 else:
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158 whiteping = False
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159
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160 if verbosity:
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161 profile_disp = f" ({profile})" if verbosity > 1 else ""
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162 if direction == "IN":
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163 self.disp(
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164 A.color(
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165 A.BOLD, A.FG_YELLOW, "<<<===== IN ====", A.FG_WHITE, profile_disp
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166 )
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167 )
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168 else:
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169 self.disp(
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170 A.color(
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171 A.BOLD, A.FG_CYAN, "==== OUT ====>>>", A.FG_WHITE, profile_disp
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172 )
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173 )
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174 if whiteping:
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175 self.disp("[WHITESPACE PING]")
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176 else:
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177 try:
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178 await self.output(xml_data)
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179 except Exception:
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180 #  initial stream is not valid XML,
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181 # in this case we print directly to data
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182 #  FIXME: we should test directly lxml.etree.XMLSyntaxError
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183 # but importing lxml directly here is not clean
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184 # should be wrapped in a custom Exception
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185 self.disp(xml_data)
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186 self.disp("")
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187
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188 async def start(self):
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189 self.host.bridge.register_signal("xml_log", self.print_xml, "plugin")
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190
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191
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192 class Theme(base.CommandBase):
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193 def __init__(self, host):
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194 base.CommandBase.__init__(
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195 self, host, "theme", help=_("print colours used with your background")
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196 )
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197
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198 def add_parser_options(self):
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199 pass
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200
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201 async def start(self):
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202 print(f"background currently used: {A.BOLD}{self.host.background}{A.RESET}\n")
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203 for attr in dir(C):
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204 if not attr.startswith("A_"):
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205 continue
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206 color = getattr(C, attr)
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207 if attr == "A_LEVEL_COLORS":
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208 # This constant contains multiple colors
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209 self.disp("LEVEL COLORS: ", end=" ")
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210 for idx, c in enumerate(color):
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211 last = idx == len(color) - 1
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212 end = "\n" if last else " "
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213 self.disp(
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214 c + f"LEVEL_{idx}" + A.RESET + (", " if not last else ""), end=end
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215 )
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216 else:
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217 text = attr[2:]
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218 self.disp(A.color(color, text))
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219 self.host.quit()
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220
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221
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222 class Debug(base.CommandBase):
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223 subcommands = (bridge, Monitor, Theme)
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224
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225 def __init__(self, host):
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226 super(Debug, self).__init__(
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227 host, "debug", use_profile=False, help=_("debugging tools")
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228 )