Mercurial > libervia-backend

annotate sat_frontends/jp/cmd_debug.py @ 3353:7726916c1ba6

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doc: updated installation instructions
author Goffi <goffi@goffi.org>
date Sun, 13 Sep 2020 22:49:11 +0200
parents 559a625a236b
children 2f0be2b7de68
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1 #!/usr/bin/env python3
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2
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3
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4 # jp: a SàT command line tool
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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
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21 from . import base
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22 from sat.core.i18n import _
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23 from sat_frontends.jp.constants import Const as C
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24 from sat.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 evalArgs(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(
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57 "arg", nargs="*", help=_("argument of the method")
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58 )
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59
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60 async def start(self):
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61 method = getattr(self.host.bridge, self.args.method)
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62 import inspect
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63 argspec = inspect.getargspec(method)
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64
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65 kwargs = {}
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66 if 'profile_key' in argspec.args:
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67 kwargs['profile_key'] = self.profile
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68 elif 'profile' in argspec.args:
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69 kwargs['profile'] = self.profile
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70
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71 args = self.evalArgs()
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72
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73 try:
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74 ret = await method(
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75 *args,
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76 **kwargs,
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77 )
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78 except Exception as e:
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79 self.disp(_(f"Error while executing {self.args.method}: {e}"), error=True)
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80 self.host.quit(C.EXIT_ERROR)
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81 else:
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82 if ret is not None:
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83 self.disp(str(ret))
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84 self.host.quit()
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85
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86
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87 class Signal(base.CommandBase, BridgeCommon):
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88 def __init__(self, host):
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89 base.CommandBase.__init__(
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90 self, host, "signal", help=_("send a fake signal from backend")
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91 )
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92 BridgeCommon.__init__(self)
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93
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94 def add_parser_options(self):
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95 self.parser.add_argument(
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96 "signal", type=str, help=_("name of the signal to send")
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97 )
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98 self.parser.add_argument(
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99 "arg", nargs="*", help=_("argument of the signal")
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100 )
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101
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102 async def start(self):
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103 args = self.evalArgs()
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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.debugFakeSignal(self.args.signal, json_args, self.args.profile)
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109 except Exception as e:
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110 self.disp(_(f"Can't send fake signal: {e}"), error=True)
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111 self.host.quit(C.EXIT_ERROR)
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112 else:
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113 self.host.quit()
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114
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115
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116 class Bridge(base.CommandBase):
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117 subcommands = (Method, Signal)
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118
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119 def __init__(self, host):
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120 super(Bridge, self).__init__(
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121 host, "bridge", use_profile=False, help=_("bridge s(t)imulation")
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122 )
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123
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124
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125 class Monitor(base.CommandBase):
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126 def __init__(self, host):
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127 super(Monitor, self).__init__(
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128 host,
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129 "monitor",
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130 use_verbose=True,
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131 use_profile=False,
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132 use_output=C.OUTPUT_XML,
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133 help=_("monitor XML stream"),
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134 )
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135
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136 def add_parser_options(self):
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137 self.parser.add_argument(
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138 "-d",
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139 "--direction",
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140 choices=("in", "out", "both"),
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141 default="both",
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142 help=_("stream direction filter"),
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143 )
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144
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145 async def printXML(self, direction, xml_data, profile):
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146 if self.args.direction == "in" and direction != "IN":
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147 return
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148 if self.args.direction == "out" and direction != "OUT":
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149 return
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150 verbosity = self.host.verbosity
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151 if not xml_data.strip():
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152 if verbosity <= 2:
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153 return
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154 whiteping = True
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155 else:
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156 whiteping = False
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157
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158 if verbosity:
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159 profile_disp = f" ({profile})" if verbosity > 1 else ""
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160 if direction == "IN":
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161 self.disp(
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162 A.color(
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163 A.BOLD, A.FG_YELLOW, "<<<===== IN ====", A.FG_WHITE, profile_disp
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164 )
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165 )
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166 else:
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167 self.disp(
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168 A.color(
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169 A.BOLD, A.FG_CYAN, "==== OUT ====>>>", A.FG_WHITE, profile_disp
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170 )
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171 )
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172 if whiteping:
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173 self.disp("[WHITESPACE PING]")
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174 else:
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175 try:
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176 await self.output(xml_data)
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177 except Exception:
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178 #  initial stream is not valid XML,
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179 # in this case we print directly to data
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180 #  FIXME: we should test directly lxml.etree.XMLSyntaxError
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181 # but importing lxml directly here is not clean
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182 # should be wrapped in a custom Exception
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183 self.disp(xml_data)
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184 self.disp("")
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185
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186 async def start(self):
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187 self.host.bridge.register_signal("xmlLog", self.printXML, "plugin")
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188
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189
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190 class Theme(base.CommandBase):
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191 def __init__(self, host):
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192 base.CommandBase.__init__(
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193 self, host, "theme", help=_("print colours used with your background")
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194 )
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195
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196 def add_parser_options(self):
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197 pass
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198
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199 async def start(self):
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200 for attr in dir(C):
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201 if not attr.startswith('A_'):
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202 continue
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203 color = getattr(C, attr)
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204 if attr == 'A_LEVEL_COLORS':
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205 # This constant contains multiple colors
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206 self.disp('LEVEL COLORS: ', no_lf=True)
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207 for idx, c in enumerate(color):
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208 last = idx == len(color)-1
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209 self.disp(c + f'LEVEL_{idx}' + A.RESET + (', ' if not last else ''), no_lf=not last)
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210 else:
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211 text = attr[2:]
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212 self.disp(A.color(color, text))
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213 self.host.quit()
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214
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215
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216 class Debug(base.CommandBase):
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217 subcommands = (Bridge, Monitor, Theme)
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parents:
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218
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parents:
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219 def __init__(self, host):
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220 super(Debug, self).__init__(
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221 host, "debug", use_profile=False, help=_("debugging tools")
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222 )