Mercurial > libervia-backend
annotate libervia/cli/cmd_debug.py @ 4306:94e0968987cd
plugin XEP-0033: code modernisation, improve delivery, data validation:
- Code has been rewritten using Pydantic models and `async` coroutines for data validation
and cleaner element parsing/generation.
- Delivery has been completely rewritten. It now works even if server doesn't support
multicast, and send to local multicast service first. Delivering to local multicast
service first is due to bad support of XEP-0033 in server (notably Prosody which has an
incomplete implementation), and the current impossibility to detect if a sub-domain
service handles fully multicast or only for local domains. This is a workaround to have
a good balance between backward compatilibity and use of bandwith, and to make it work
with the incoming email gateway implementation (the gateway will only deliver to
entities of its own domain).
- disco feature checking now uses `async` corountines. `host` implementation still use
Deferred return values for compatibility with legacy code.
rel 450
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Thu, 26 Sep 2024 16:12:01 +0200 |
| 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 ) |