Mercurial > libervia-backend
annotate libervia/cli/cmd_debug.py @ 4210:9218d4331bb2
cli (call): `tui` output implementation:
- Moved original UI to a separated class, and use if with the `simple` output
- By default, best output is automatically selected. For now `gui` is selected if possible,
and `simple` is used as fallback.
- The new `tui` output can be used to have the videos directly embedded in the terminal,
either with real videos for compatible terminal emulators, or with Unicode blocks.
- Text contrôls are used for both `simple` and `tui` outputs
- several options can be used with `--oo` (will be documented in next commit).
rel 428
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Fri, 16 Feb 2024 18:46:06 +0100 |
| parents | 4ed8de94c926 |
| children |
| rev | line source |
|---|---|
| 3137 | 1 #!/usr/bin/env python3 |
| 2 | |
| 2038 | 3 |
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4 # Libervia CLI |
| 3479 | 5 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org) |
| 2038 | 6 |
| 7 # This program is free software: you can redistribute it and/or modify | |
| 8 # it under the terms of the GNU Affero General Public License as published by | |
| 9 # the Free Software Foundation, either version 3 of the License, or | |
| 10 # (at your option) any later version. | |
| 11 | |
| 12 # This program is distributed in the hope that it will be useful, | |
| 13 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 # GNU Affero General Public License for more details. | |
| 16 | |
| 17 # You should have received a copy of the GNU Affero General Public License | |
| 18 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 | |
| 20 | |
| 3028 | 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 |
| 2038 | 25 import json |
| 26 | |
| 27 __commands__ = ["Debug"] | |
| 28 | |
| 29 | |
| 30 class BridgeCommon(object): | |
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31 def eval_args(self): |
| 2038 | 32 if self.args.arg: |
| 33 try: | |
| 3028 | 34 return eval("[{}]".format(",".join(self.args.arg))) |
| 2038 | 35 except SyntaxError as e: |
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36 self.disp( |
| 3028 | 37 "Can't evaluate arguments: {mess}\n{text}\n{offset}^".format( |
| 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 ) |
| 2038 | 42 self.host.quit(C.EXIT_BAD_ARG) |
| 43 else: | |
| 44 return [] | |
| 45 | |
| 46 | |
| 47 class Method(base.CommandBase, BridgeCommon): | |
| 48 def __init__(self, host): | |
| 3028 | 49 base.CommandBase.__init__(self, host, "method", help=_("call a bridge method")) |
| 2038 | 50 BridgeCommon.__init__(self) |
| 51 | |
| 52 def add_parser_options(self): | |
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53 self.parser.add_argument( |
| 3028 | 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")) |
| 2038 | 57 |
| 3040 | 58 async def start(self): |
| 2038 | 59 method = getattr(self.host.bridge, self.args.method) |
| 3040 | 60 import inspect |
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61 |
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62 argspec = inspect.getfullargspec(method) |
| 3040 | 63 |
| 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 |
| 3040 | 69 |
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70 args = self.eval_args() |
| 3040 | 71 |
| 2038 | 72 try: |
| 3040 | 73 ret = await method( |
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74 *args, |
| 3040 | 75 **kwargs, |
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76 ) |
| 3040 | 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 ) |
| 3040 | 84 self.host.quit(C.EXIT_ERROR) |
| 85 else: | |
| 86 if ret is not None: | |
| 87 self.disp(str(ret)) | |
| 88 self.host.quit() | |
| 2038 | 89 |
| 90 | |
| 91 class Signal(base.CommandBase, BridgeCommon): | |
| 92 def __init__(self, host): | |
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93 base.CommandBase.__init__( |
| 3028 | 94 self, host, "signal", help=_("send a fake signal from backend") |
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95 ) |
| 2038 | 96 BridgeCommon.__init__(self) |
| 97 | |
| 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")) |
| 2038 | 101 |
| 3040 | 102 async def start(self): |
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103 args = self.eval_args() |
| 2038 | 104 json_args = json.dumps(args) |
| 105 # XXX: we use self.args.profile and not self.profile | |
| 106 # because we want the raw profile_key (so plugin handle C.PROF_KEY_NONE) | |
| 3040 | 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 ) |
| 3040 | 111 except Exception as e: |
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112 self.disp(_("Can't send fake signal: {e}").format(e=e), error=True) |
| 3040 | 113 self.host.quit(C.EXIT_ERROR) |
| 114 else: | |
| 115 self.host.quit() | |
| 2038 | 116 |
| 117 | |
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118 class bridge(base.CommandBase): |
| 2038 | 119 subcommands = (Method, Signal) |
| 120 | |
| 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 ) |
| 2038 | 125 |
| 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", |
| 3028 | 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: |
| 3040 | 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: |
| 3040 | 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) |
| 3028 | 186 self.disp("") |
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187 |
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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 |
| 2038 | 222 class Debug(base.CommandBase): |
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223 subcommands = (bridge, Monitor, Theme) |
| 2038 | 224 |
| 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 ) |