Mercurial > libervia-backend

annotate sat/core/log_config.py @ 3885:18ff4f75f0e6

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doc (components): the word "handle" is more adapted here
author Goffi <goffi@goffi.org>
date Wed, 31 Aug 2022 17:07:03 +0200
parents 7550ae9cfbac
children 760f563b1243
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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ab2696e34d29 Python 3 port:
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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: an XMPP client
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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 """High level logging functions"""
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21 # XXX: this module use standard logging module when possible, but as SàT can work in different cases where logging is not the best choice (twisted, pyjamas, etc), it is necessary to have a dedicated module. Additional feature like environment variables and colors are also managed.
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22
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23 from sat.core.constants import Const as C
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24 from sat.core import log
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25
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26
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27 class TwistedLogger(log.Logger):
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28 colors = True
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29 force_colors = False
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30
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31 def __init__(self, *args, **kwargs):
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32 super().__init__(*args, **kwargs)
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33 from twisted.logger import Logger
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34 self.twisted_log = Logger()
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35
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36 def out(self, message, level=None, **kwargs):
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37 """Actually log the message
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38
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39 @param message: formatted message
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40 """
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41 if kwargs.pop('exc_info', False):
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42 message = self.addTraceback(message)
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43 self.twisted_log.emit(
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44 level=self.level_map[level],
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45 format=message,
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46 sat_logged=True,
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47 **kwargs,
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48 )
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49
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50
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51 class ConfigureBasic(log.ConfigureBase):
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52 def configureColors(self, colors, force_colors, levels_taints_dict):
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53 super(ConfigureBasic, self).configureColors(
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54 colors, force_colors, levels_taints_dict
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55 )
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56 if colors:
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57 import sys
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58
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59 try:
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60 isatty = sys.stdout.isatty()
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61 except AttributeError:
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62 isatty = False
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63 # FIXME: isatty should be tested on each handler, not globaly
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64 if (force_colors or isatty):
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65 # we need colors
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66 log.Logger.post_treat = lambda logger, level, message: self.ansiColors(
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67 level, message
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68 )
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69 elif force_colors:
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70 raise ValueError("force_colors can't be used if colors is False")
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71
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72 @staticmethod
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73 def getProfile():
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74 """Try to find profile value using introspection"""
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75 import inspect
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76
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77 stack = inspect.stack()
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78 current_path = stack[0][1]
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79 for frame_data in stack[:-1]:
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80 if frame_data[1] != current_path:
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81 if (
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82 log.backend == C.LOG_BACKEND_STANDARD
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83 and "/logging/__init__.py" in frame_data[1]
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84 ):
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85 continue
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86 break
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87
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88 frame = frame_data[0]
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89 args = inspect.getargvalues(frame)
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90 try:
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91 profile = args.locals.get("profile") or args.locals["profile_key"]
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92 except (TypeError, KeyError):
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93 try:
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94 try:
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95 profile = args.locals["self"].profile
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96 except AttributeError:
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97 try:
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98 profile = args.locals["self"].parent.profile
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99 except AttributeError:
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100 profile = args.locals[
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101 "self"
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102 ].host.profile # used in quick_frontend for single profile configuration
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103 except Exception:
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104 # we can't find profile, we return an empty value
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105 profile = ""
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106 return profile
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107
1007
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108
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109 class ConfigureTwisted(ConfigureBasic):
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110 LOGGER_CLASS = TwistedLogger
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111
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112 def preTreatment(self):
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113 from twisted import logger
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114 global logger
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115 self.level_map = {
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116 C.LOG_LVL_DEBUG: logger.LogLevel.debug,
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117 C.LOG_LVL_INFO: logger.LogLevel.info,
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118 C.LOG_LVL_WARNING: logger.LogLevel.warn,
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119 C.LOG_LVL_ERROR: logger.LogLevel.error,
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120 C.LOG_LVL_CRITICAL: logger.LogLevel.critical,
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121 }
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122 self.LOGGER_CLASS.level_map = self.level_map
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123
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124 def configureLevel(self, level):
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125 self.level = self.level_map[level]
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126
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127 def configureOutput(self, output):
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128 import sys
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129 from twisted.python import logfile
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130 self.log_publisher = logger.LogPublisher()
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131
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132 if output is None:
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133 output = C.LOG_OPT_OUTPUT_SEP + C.LOG_OPT_OUTPUT_DEFAULT
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134 self.manageOutputs(output)
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135
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136 if C.LOG_OPT_OUTPUT_DEFAULT in log.handlers:
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137 if self.backend_data is None:
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138 raise ValueError(
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139 "You must pass options as backend_data with Twisted backend"
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140 )
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141 options = self.backend_data
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142 log_file = logfile.LogFile.fromFullPath(options['logfile'])
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143 self.log_publisher.addObserver(
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144 logger.FileLogObserver(log_file, self.textFormatter))
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145 # we also want output to stdout if we are in debug or nodaemon mode
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146 if options.get("nodaemon", False) or options.get("debug", False):
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147 self.log_publisher.addObserver(
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148 logger.FileLogObserver(sys.stdout, self.textFormatter))
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149
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150 if C.LOG_OPT_OUTPUT_FILE in log.handlers:
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151
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152 for path in log.handlers[C.LOG_OPT_OUTPUT_FILE]:
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153 log_file = (
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154 sys.stdout if path == "-" else logfile.LogFile.fromFullPath(path)
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155 )
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diff changeset
156 self.log_publisher.addObserver(
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157 logger.FileLogObserver(log_file, self.textFormatter))
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158
1021
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159 if C.LOG_OPT_OUTPUT_MEMORY in log.handlers:
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160 raise NotImplementedError(
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161 "Memory observer is not implemented in Twisted backend"
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162 )
1007
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163
1942
7f053e1f0b67 core (logs): taints:
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164 def configureColors(self, colors, force_colors, levels_taints_dict):
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165 super(ConfigureTwisted, self).configureColors(
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166 colors, force_colors, levels_taints_dict
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167 )
1007
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168 self.LOGGER_CLASS.colors = colors
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169 self.LOGGER_CLASS.force_colors = force_colors
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170 if force_colors and not colors:
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171 raise ValueError("colors must be True if force_colors is True")
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172
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173 def postTreatment(self):
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174 """Install twistedObserver which manage non SàT logs"""
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175 # from twisted import logger
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diff changeset
176 import sys
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diff changeset
177 filtering_obs = logger.FilteringLogObserver(
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178 observer=self.log_publisher,
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diff changeset
179 predicates=[
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diff changeset
180 logger.LogLevelFilterPredicate(self.level),
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diff changeset
181 ]
96b9b65b4368 core (log): logging with Twisted now uses the new twisted.logger
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diff changeset
182 )
96b9b65b4368 core (log): logging with Twisted now uses the new twisted.logger
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diff changeset
183 logger.globalLogBeginner.beginLoggingTo([filtering_obs])
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184
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185 def textFormatter(self, event):
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186 if event.get('sat_logged', False):
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187 timestamp = ''.join([logger.formatTime(event.get("log_time", None)), " "])
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188 return f"{timestamp}{event.get('log_format', '')}\n"
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diff changeset
189 else:
96b9b65b4368 core (log): logging with Twisted now uses the new twisted.logger
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diff changeset
190 eventText = logger.eventAsText(
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diff changeset
191 event, includeSystem=True)
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diff changeset
192 if not eventText:
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diff changeset
193 return None
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diff changeset
194 return eventText.replace("\n", "\n\t") + "\n"
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195
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196
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197 class ConfigureStandard(ConfigureBasic):
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198 def __init__(
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199 self,
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200 level=None,
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201 fmt=None,
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202 output=None,
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203 logger=None,
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204 colors=False,
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205 levels_taints_dict=None,
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diff changeset
206 force_colors=False,
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diff changeset
207 backend_data=None,
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diff changeset
208 ):
1010
73a0b7f94674 primitivus: use of new logging system:
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diff changeset
209 if fmt is None:
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diff changeset
210 fmt = C.LOG_OPT_FORMAT[1]
73a0b7f94674 primitivus: use of new logging system:
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parents: 1008
diff changeset
211 if output is None:
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parents: 1008
diff changeset
212 output = C.LOG_OPT_OUTPUT[1]
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diff changeset
213 super(ConfigureStandard, self).__init__(
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parents: 2562
diff changeset
214 level,
56f94936df1e code style reformatting using black
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parents: 2562
diff changeset
215 fmt,
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
216 output,
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
217 logger,
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
218 colors,
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
219 levels_taints_dict,
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
220 force_colors,
56f94936df1e code style reformatting using black
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parents: 2562
diff changeset
221 backend_data,
56f94936df1e code style reformatting using black
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parents: 2562
diff changeset
222 )
991
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
223
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
224 def preTreatment(self):
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
225 """We use logging methods directly, instead of using Logger"""
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
226 import logging
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227
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
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diff changeset
228 log.getLogger = logging.getLogger
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
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diff changeset
229 log.debug = logging.debug
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
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parents: 1017
diff changeset
230 log.info = logging.info
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
231 log.warning = logging.warning
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
232 log.error = logging.error
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
233 log.critical = logging.critical
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
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diff changeset
234
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
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diff changeset
235 def configureLevel(self, level):
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
236 if level is None:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
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diff changeset
237 level = C.LOG_LVL_DEBUG
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
238 self.level = level
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
239
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
240 def configureFormat(self, fmt):
1940
3fdacba9da68 core (logs): log color location can now be specified with %(color_start)s and %(color_end)s
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
241 super(ConfigureStandard, self).configureFormat(fmt)
1007
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Goffi <goffi@goffi.org>
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diff changeset
242 import logging
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
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diff changeset
243
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
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diff changeset
244 class SatFormatter(logging.Formatter):
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2836
diff changeset
245 """Formatter which manage SàT specificities"""
1012
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diff changeset
246 _format = fmt
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diff changeset
247 _with_profile = "%(profile)s" in fmt
1007
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diff changeset
248
1012
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diff changeset
249 def __init__(self, can_colors=False):
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parents: 1010
diff changeset
250 super(SatFormatter, self).__init__(self._format)
c8771279497e core(log): standard backend: colors are now checked on a per handler basis
Goffi <goffi@goffi.org>
parents: 1010
diff changeset
251 self.can_colors = can_colors
1007
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Goffi <goffi@goffi.org>
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diff changeset
252
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
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diff changeset
253 def format(self, record):
1013
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Goffi <goffi@goffi.org>
parents: 1012
diff changeset
254 if self._with_profile:
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
255 record.profile = ConfigureStandard.getProfile()
1940
3fdacba9da68 core (logs): log color location can now be specified with %(color_start)s and %(color_end)s
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
256 do_color = self.with_colors and (self.can_colors or self.force_colors)
3fdacba9da68 core (logs): log color location can now be specified with %(color_start)s and %(color_end)s
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
257 if ConfigureStandard._color_location:
3fdacba9da68 core (logs): log color location can now be specified with %(color_start)s and %(color_end)s
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
258 # we copy raw formatting strings for color_*
3fdacba9da68 core (logs): log color location can now be specified with %(color_start)s and %(color_end)s
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
259 # as formatting is handled in ansiColors in this case
3fdacba9da68 core (logs): log color location can now be specified with %(color_start)s and %(color_end)s
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
260 if do_color:
3fdacba9da68 core (logs): log color location can now be specified with %(color_start)s and %(color_end)s
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
261 record.color_start = log.COLOR_START
3fdacba9da68 core (logs): log color location can now be specified with %(color_start)s and %(color_end)s
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
262 record.color_end = log.COLOR_END
3fdacba9da68 core (logs): log color location can now be specified with %(color_start)s and %(color_end)s
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
263 else:
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
264 record.color_start = record.color_end = ""
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
265 s = super(SatFormatter, self).format(record)
1940
3fdacba9da68 core (logs): log color location can now be specified with %(color_start)s and %(color_end)s
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
266 if do_color:
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
267 s = ConfigureStandard.ansiColors(record.levelname, s)
3056
49c7bc3afb2b core (log): removed Android hack:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
268 return s
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
269
1012
c8771279497e core(log): standard backend: colors are now checked on a per handler basis
Goffi <goffi@goffi.org>
parents: 1010
diff changeset
270 self.formatterClass = SatFormatter
1006
325fd230c15d core (log): added advanced feature to basic backend (colors/formatting/level and logger filtering)
Goffi <goffi@goffi.org>
parents: 1005
diff changeset
271
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
272 def configureOutput(self, output):
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
273 self.manageOutputs(output)
1006
325fd230c15d core (log): added advanced feature to basic backend (colors/formatting/level and logger filtering)
Goffi <goffi@goffi.org>
parents: 1005
diff changeset
274
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
275 def configureLogger(self, logger):
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
276 self.name_filter = log.FilterName(logger) if logger else None
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
277
1942
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1941
diff changeset
278 def configureColors(self, colors, force_colors, levels_taints_dict):
2624
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parents: 2562
diff changeset
279 super(ConfigureStandard, self).configureColors(
56f94936df1e code style reformatting using black
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parents: 2562
diff changeset
280 colors, force_colors, levels_taints_dict
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
281 )
1012
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Goffi <goffi@goffi.org>
parents: 1010
diff changeset
282 self.formatterClass.with_colors = colors
c8771279497e core(log): standard backend: colors are now checked on a per handler basis
Goffi <goffi@goffi.org>
parents: 1010
diff changeset
283 self.formatterClass.force_colors = force_colors
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
284 if not colors and force_colors:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
285 raise ValueError("force_colors can't be used if colors is False")
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
286
1012
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Goffi <goffi@goffi.org>
parents: 1010
diff changeset
287 def _addHandler(self, root_logger, hdlr, can_colors=False):
c8771279497e core(log): standard backend: colors are now checked on a per handler basis
Goffi <goffi@goffi.org>
parents: 1010
diff changeset
288 hdlr.setFormatter(self.formatterClass(can_colors))
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
289 root_logger.addHandler(hdlr)
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
290 root_logger.setLevel(self.level)
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
291 if self.name_filter is not None:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
292 hdlr.addFilter(self.name_filter)
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
293
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
294 def postTreatment(self):
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
295 import logging
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
296
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
297 root_logger = logging.getLogger()
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
298 if len(root_logger.handlers) == 0:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2836
diff changeset
299 for handler, options in list(log.handlers.items()):
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
300 if handler == C.LOG_OPT_OUTPUT_DEFAULT:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
301 hdlr = logging.StreamHandler()
1012
c8771279497e core(log): standard backend: colors are now checked on a per handler basis
Goffi <goffi@goffi.org>
parents: 1010
diff changeset
302 try:
c8771279497e core(log): standard backend: colors are now checked on a per handler basis
Goffi <goffi@goffi.org>
parents: 1010
diff changeset
303 can_colors = hdlr.stream.isatty()
c8771279497e core(log): standard backend: colors are now checked on a per handler basis
Goffi <goffi@goffi.org>
parents: 1010
diff changeset
304 except AttributeError:
c8771279497e core(log): standard backend: colors are now checked on a per handler basis
Goffi <goffi@goffi.org>
parents: 1010
diff changeset
305 can_colors = False
c8771279497e core(log): standard backend: colors are now checked on a per handler basis
Goffi <goffi@goffi.org>
parents: 1010
diff changeset
306 self._addHandler(root_logger, hdlr, can_colors=can_colors)
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
307 elif handler == C.LOG_OPT_OUTPUT_MEMORY:
1010
73a0b7f94674 primitivus: use of new logging system:
Goffi <goffi@goffi.org>
parents: 1008
diff changeset
308 from logging.handlers import BufferingHandler
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
309
1010
73a0b7f94674 primitivus: use of new logging system:
Goffi <goffi@goffi.org>
parents: 1008
diff changeset
310 class SatMemoryHandler(BufferingHandler):
73a0b7f94674 primitivus: use of new logging system:
Goffi <goffi@goffi.org>
parents: 1008
diff changeset
311 def emit(self, record):
73a0b7f94674 primitivus: use of new logging system:
Goffi <goffi@goffi.org>
parents: 1008
diff changeset
312 super(SatMemoryHandler, self).emit(self.format(record))
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
313
1010
73a0b7f94674 primitivus: use of new logging system:
Goffi <goffi@goffi.org>
parents: 1008
diff changeset
314 hdlr = SatMemoryHandler(options)
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
315 log.handlers[
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
316 handler
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
317 ] = (
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
318 hdlr
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
319 ) # we keep a reference to the handler to read the buffer later
1012
c8771279497e core(log): standard backend: colors are now checked on a per handler basis
Goffi <goffi@goffi.org>
parents: 1010
diff changeset
320 self._addHandler(root_logger, hdlr, can_colors=False)
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
321 elif handler == C.LOG_OPT_OUTPUT_FILE:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
322 import os.path
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
323
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
324 for path in options:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
325 hdlr = logging.FileHandler(os.path.expanduser(path))
1012
c8771279497e core(log): standard backend: colors are now checked on a per handler basis
Goffi <goffi@goffi.org>
parents: 1010
diff changeset
326 self._addHandler(root_logger, hdlr, can_colors=False)
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
327 else:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
328 raise ValueError("Unknown handler type")
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
329 else:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2836
diff changeset
330 root_logger.warning("Handlers already set on root logger")
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
331
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
332 @staticmethod
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
333 def memoryGet(size=None):
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
334 """Return buffered logs
1006
325fd230c15d core (log): added advanced feature to basic backend (colors/formatting/level and logger filtering)
Goffi <goffi@goffi.org>
parents: 1005
diff changeset
335
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
336 @param size: number of logs to return
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
337 """
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
338 mem_handler = log.handlers[C.LOG_OPT_OUTPUT_MEMORY]
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
339 return (
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
340 log_msg for log_msg in mem_handler.buffer[size if size is None else -size :]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
341 )
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
342
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
343
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
344 log.configure_cls[C.LOG_BACKEND_BASIC] = ConfigureBasic
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
345 log.configure_cls[C.LOG_BACKEND_TWISTED] = ConfigureTwisted
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
346 log.configure_cls[C.LOG_BACKEND_STANDARD] = ConfigureStandard
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
347
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
348
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
349 def configure(backend, **options):
1006
325fd230c15d core (log): added advanced feature to basic backend (colors/formatting/level and logger filtering)
Goffi <goffi@goffi.org>
parents: 1005
diff changeset
350 """Configure logging behaviour
991
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
351 @param backend: can be:
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
352 C.LOG_BACKEND_STANDARD: use standard logging module
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
353 C.LOG_BACKEND_TWISTED: use twisted logging module (with standard logging observer)
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
354 C.LOG_BACKEND_BASIC: use a basic print based logging
1017
0ea97f483464 core (log): added "custom" backend
Goffi <goffi@goffi.org>
parents: 1016
diff changeset
355 C.LOG_BACKEND_CUSTOM: use a given Logger subclass
991
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
356 """
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
357 return log.configure(backend, **options)
991
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
358
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
359
994
652c01ca69b1 core (log): configuration and environment variables are now checked for log level and colors:
Goffi <goffi@goffi.org>
parents: 992
diff changeset
360 def _parseOptions(options):
652c01ca69b1 core (log): configuration and environment variables are now checked for log level and colors:
Goffi <goffi@goffi.org>
parents: 992
diff changeset
361 """Parse string options as given in conf or environment variable, and return expected python value
652c01ca69b1 core (log): configuration and environment variables are now checked for log level and colors:
Goffi <goffi@goffi.org>
parents: 992
diff changeset
362
652c01ca69b1 core (log): configuration and environment variables are now checked for log level and colors:
Goffi <goffi@goffi.org>
parents: 992
diff changeset
363 @param options (dict): options with (key: name, value: string value)
652c01ca69b1 core (log): configuration and environment variables are now checked for log level and colors:
Goffi <goffi@goffi.org>
parents: 992
diff changeset
364 """
1005
b4af31a8a4f2 core (logs): added formatting, name filter and outputs management:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
365 COLORS = C.LOG_OPT_COLORS[0]
b4af31a8a4f2 core (logs): added formatting, name filter and outputs management:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
366 LEVEL = C.LOG_OPT_LEVEL[0]
b4af31a8a4f2 core (logs): added formatting, name filter and outputs management:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
367
b4af31a8a4f2 core (logs): added formatting, name filter and outputs management:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
368 if COLORS in options:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
369 if options[COLORS].lower() in ("1", "true"):
1005
b4af31a8a4f2 core (logs): added formatting, name filter and outputs management:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
370 options[COLORS] = True
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
371 elif options[COLORS] == "force":
1005
b4af31a8a4f2 core (logs): added formatting, name filter and outputs management:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
372 options[COLORS] = True
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
373 options["force_colors"] = True
994
652c01ca69b1 core (log): configuration and environment variables are now checked for log level and colors:
Goffi <goffi@goffi.org>
parents: 992
diff changeset
374 else:
1005
b4af31a8a4f2 core (logs): added formatting, name filter and outputs management:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
375 options[COLORS] = False
b4af31a8a4f2 core (logs): added formatting, name filter and outputs management:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
376 if LEVEL in options:
b4af31a8a4f2 core (logs): added formatting, name filter and outputs management:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
377 level = options[LEVEL].upper()
b4af31a8a4f2 core (logs): added formatting, name filter and outputs management:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
378 if level not in C.LOG_LEVELS:
b4af31a8a4f2 core (logs): added formatting, name filter and outputs management:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
379 level = C.LOG_LVL_INFO
b4af31a8a4f2 core (logs): added formatting, name filter and outputs management:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
380 options[LEVEL] = level
994
652c01ca69b1 core (log): configuration and environment variables are now checked for log level and colors:
Goffi <goffi@goffi.org>
parents: 992
diff changeset
381
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
382
1129
08f50fdac21b core (logging): new backend_data parameter can be used to transmit specific data to a backend + Twisted backend use this option to know if we are in debug or nodaemon mode
Goffi <goffi@goffi.org>
parents: 1121
diff changeset
383 def satConfigure(backend=C.LOG_BACKEND_STANDARD, const=None, backend_data=None):
994
652c01ca69b1 core (log): configuration and environment variables are now checked for log level and colors:
Goffi <goffi@goffi.org>
parents: 992
diff changeset
384 """Configure logging system for SàT, can be used by frontends
652c01ca69b1 core (log): configuration and environment variables are now checked for log level and colors:
Goffi <goffi@goffi.org>
parents: 992
diff changeset
385
652c01ca69b1 core (log): configuration and environment variables are now checked for log level and colors:
Goffi <goffi@goffi.org>
parents: 992
diff changeset
386 logs conf is read in SàT conf, then in environment variables. It must be done before Memory init
1010
73a0b7f94674 primitivus: use of new logging system:
Goffi <goffi@goffi.org>
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diff changeset
387 @param backend: backend to use, it can be:
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388 - C.LOG_BACKEND_BASIC: print based backend
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389 - C.LOG_BACKEND_TWISTED: Twisted logging backend
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390 - C.LOG_BACKEND_STANDARD: standard logging backend
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391 @param const: Const class to use instead of sat.core.constants.Const (mainly used to change default values)
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392 """
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393 if const is not None:
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394 global C
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395 C = const
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396 log.C = const
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397 from sat.tools import config
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398 import os
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399
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400 log_conf = {}
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401 sat_conf = config.parseMainConf()
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402 for opt_name, opt_default in C.LOG_OPTIONS():
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403 try:
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404 log_conf[opt_name] = os.environ[
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405 "".join((C.ENV_PREFIX, C.LOG_OPT_PREFIX.upper(), opt_name.upper()))
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406 ]
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407 except KeyError:
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408 log_conf[opt_name] = config.getConfig(
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409 sat_conf, C.LOG_OPT_SECTION, C.LOG_OPT_PREFIX + opt_name, opt_default
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410 )
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411
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412 _parseOptions(log_conf)
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413 configure(backend, backend_data=backend_data, **log_conf)