annotate libervia/backend/core/log.py @ 4071:4b842c1fb686

refactoring: renamed `sat` package to `libervia.backend`
author Goffi <goffi@goffi.org>
date Fri, 02 Jun 2023 11:49:51 +0200
parents sat/core/log.py@524856bd7b19
children 0d7bb4df2343
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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 # TODO: change formatting from "%s" style to "{}" when moved to Python 3
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23
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24 from typing import TYPE_CHECKING, Any, Optional, Dict
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25
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26 if TYPE_CHECKING:
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27 from logging import _ExcInfoType
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28 else:
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29 _ExcInfoType = Any
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30
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31 from libervia.backend.core.constants import Const as C
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32 from libervia.backend.tools.common.ansi import ANSI as A
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33 from libervia.backend.core import exceptions
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34 import traceback
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35
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36 backend = None
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37 _loggers: Dict[str, "Logger"] = {}
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38 handlers = {}
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39 COLOR_START = '%(color_start)s'
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40 COLOR_END = '%(color_end)s'
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42
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43 class Filtered(Exception):
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44 pass
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47 class Logger:
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48 """High level logging class"""
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49 fmt = None # format option as given by user (e.g. SAT_LOG_LOGGER)
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50 filter_name = None # filter to call
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51 post_treat = None
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52
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53 def __init__(self, name):
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54 if isinstance(name, Logger):
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55 self.copy(name)
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56 else:
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57 self._name = name
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58
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59 def copy(self, other):
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60 """Copy values from other Logger"""
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61 self.fmt = other.fmt
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62 self.Filter_name = other.fmt
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63 self.post_treat = other.post_treat
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64 self._name = other._name
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65
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66 def add_traceback(self, message):
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67 tb = traceback.format_exc()
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68 return message + "\n==== traceback ====\n" + tb
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69
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70 def out(
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71 self,
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72 message: object,
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73 level: Optional[str] = None,
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74 exc_info: _ExcInfoType = False,
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75 **kwargs
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76 ) -> None:
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77 """Actually log the message
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78
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79 @param message: formatted message
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80 """
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81 if exc_info:
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82 message = self.add_traceback(message)
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83 print(message)
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84
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85 def log(
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86 self,
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87 level: str,
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88 message: object,
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89 exc_info: _ExcInfoType = False,
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90 **kwargs
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91 ) -> None:
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92 """Print message
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93
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94 @param level: one of C.LOG_LEVELS
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95 @param message: message to format and print
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96 """
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97 if exc_info:
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98 message = self.add_traceback(message)
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99 try:
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100 formatted = self.format(level, message)
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101 if self.post_treat is None:
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102 self.out(formatted, level, **kwargs)
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103 else:
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104 self.out(self.post_treat(level, formatted), level, **kwargs)
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105 except Filtered:
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106 pass
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107
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108 def format(self, level: str, message: object) -> object:
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109 """Format message according to Logger.fmt
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110
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111 @param level: one of C.LOG_LEVELS
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112 @param message: message to format
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113 @return: formatted message
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114
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115 @raise: Filtered when the message must not be logged
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116 """
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117 if self.fmt is None and self.filter_name is None:
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118 return message
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119 record = {'name': self._name,
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120 'message': message,
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121 'levelname': level,
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122 }
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123 try:
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124 if not self.filter_name.dict_filter(record):
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125 raise Filtered
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126 except (AttributeError, TypeError): # XXX: TypeError is here because of a pyjamas bug which need to be fixed (TypeError is raised instead of AttributeError)
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127 if self.filter_name is not None:
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128 raise ValueError("Bad filter: filters must have a .filter method")
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diff changeset
129 try:
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diff changeset
130 return self.fmt % record
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diff changeset
131 except TypeError:
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diff changeset
132 return message
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diff changeset
133 except KeyError as e:
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diff changeset
134 if e.args[0] == 'profile':
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diff changeset
135 # XXX: %(profile)s use some magic with introspection, for debugging purpose only *DO NOT* use in production
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diff changeset
136 record['profile'] = configure_cls[backend].get_profile()
1008
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diff changeset
137 return self.fmt % record
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diff changeset
138 else:
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diff changeset
139 raise e
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140
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diff changeset
141 def debug(self, msg: object, **kwargs) -> None:
2836
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diff changeset
142 self.log(C.LOG_LVL_DEBUG, msg, **kwargs)
991
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parents:
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143
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144 def info(self, msg: object, **kwargs) -> None:
2836
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145 self.log(C.LOG_LVL_INFO, msg, **kwargs)
991
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parents:
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146
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diff changeset
147 def warning(self, msg: object, **kwargs) -> None:
2836
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148 self.log(C.LOG_LVL_WARNING, msg, **kwargs)
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149
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150 def error(self, msg: object, **kwargs) -> None:
2836
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151 self.log(C.LOG_LVL_ERROR, msg, **kwargs)
991
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152
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153 def critical(self, msg: object, **kwargs) -> None:
2836
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154 self.log(C.LOG_LVL_CRITICAL, msg, **kwargs)
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155
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156 def exception(self, msg: object, exc_info=True, **kwargs) -> None:
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157 self.log(C.LOG_LVL_ERROR, msg, exc_info=exc_info, **kwargs)
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158
991
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159
1005
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160 class FilterName(object):
1006
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161 """Filter on logger name according to a regex"""
1005
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162
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163 def __init__(self, name_re):
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164 """Initialise name filter
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165
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166 @param name_re: regular expression used to filter names (using search and not match)
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167 """
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diff changeset
168 assert name_re
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diff changeset
169 import re
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diff changeset
170 self.name_re = re.compile(name_re)
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diff changeset
171
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diff changeset
172 def filter(self, record):
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diff changeset
173 if self.name_re.search(record.name) is not None:
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diff changeset
174 return 1
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diff changeset
175 return 0
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diff changeset
176
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diff changeset
177 def dict_filter(self, dict_record):
1006
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178 """Filter using a dictionary record
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diff changeset
179
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diff changeset
180 @param dict_record: dictionary with at list a key "name" with logger name
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diff changeset
181 @return: True if message should be logged
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diff changeset
182 """
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diff changeset
183 class LogRecord(object):
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diff changeset
184 pass
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Goffi <goffi@goffi.org>
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diff changeset
185 log_record = LogRecord()
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Goffi <goffi@goffi.org>
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diff changeset
186 log_record.name = dict_record['name']
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Goffi <goffi@goffi.org>
parents: 1005
diff changeset
187 return self.filter(log_record) == 1
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Goffi <goffi@goffi.org>
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diff changeset
188
1010
73a0b7f94674 primitivus: use of new logging system:
Goffi <goffi@goffi.org>
parents: 1008
diff changeset
189
3280
96b9b65b4368 core (log): logging with Twisted now uses the new twisted.logger
Goffi <goffi@goffi.org>
parents: 3137
diff changeset
190 class ConfigureBase:
1017
0ea97f483464 core (log): added "custom" backend
Goffi <goffi@goffi.org>
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diff changeset
191 LOGGER_CLASS = Logger
2671
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
192 # True if color location is specified in fmt (with COLOR_START)
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diff changeset
193 _color_location = False
1005
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diff changeset
194
2671
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diff changeset
195 def __init__(self, level=None, fmt=None, output=None, logger=None, colors=False,
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diff changeset
196 levels_taints_dict=None, force_colors=False, backend_data=None):
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
197 """Configure a backend
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diff changeset
198
1007
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diff changeset
199 @param level: one of C.LOG_LEVELS
2671
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diff changeset
200 @param fmt: format string, pretty much as in std logging.
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parents: 2562
diff changeset
201 Accept the following keywords (maybe more depending on backend):
1007
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diff changeset
202 - "message"
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Goffi <goffi@goffi.org>
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diff changeset
203 - "levelname"
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Goffi <goffi@goffi.org>
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diff changeset
204 - "name" (logger name)
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diff changeset
205 @param logger: if set, use it as a regular expression to filter on logger name.
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parents: 1006
diff changeset
206 Use search to match expression, so ^ or $ can be necessary.
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diff changeset
207 @param colors: if True use ANSI colors to show log levels
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diff changeset
208 @param force_colors: if True ANSI colors are used even if stdout is not a tty
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Goffi <goffi@goffi.org>
parents: 1006
diff changeset
209 """
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: 1021
diff changeset
210 self.backend_data = backend_data
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diff changeset
211 self.pre_treatment()
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Goffi <goffi@goffi.org>
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diff changeset
212 self.configure_level(level)
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Goffi <goffi@goffi.org>
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diff changeset
213 self.configure_format(fmt)
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diff changeset
214 self.configure_output(output)
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diff changeset
215 self.configure_logger(logger)
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diff changeset
216 self.configure_colors(colors, force_colors, levels_taints_dict)
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diff changeset
217 self.post_treatment()
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diff changeset
218 self.update_current_logger()
1007
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diff changeset
219
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diff changeset
220 def update_current_logger(self):
1007
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diff changeset
221 """update existing logger to the class needed for this backend"""
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diff changeset
222 if self.LOGGER_CLASS is None:
a7d33c7a8277 core (log): refactoring + twisted backend:
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parents: 1006
diff changeset
223 return
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2836
diff changeset
224 for name, logger in list(_loggers.items()):
1007
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diff changeset
225 _loggers[name] = self.LOGGER_CLASS(logger)
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diff changeset
226
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diff changeset
227 def pre_treatment(self):
1007
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diff changeset
228 pass
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diff changeset
229
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diff changeset
230 def configure_level(self, level):
1007
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diff changeset
231 if level is not None:
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diff changeset
232 # we deactivate methods below level
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diff changeset
233 level_idx = C.LOG_LEVELS.index(level)
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diff changeset
234 def dev_null(self, msg):
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diff changeset
235 pass
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diff changeset
236 for _level in C.LOG_LEVELS[:level_idx]:
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parents: 1006
diff changeset
237 setattr(Logger, _level.lower(), dev_null)
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diff changeset
238
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diff changeset
239 def configure_format(self, fmt):
1007
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diff changeset
240 if fmt is not None:
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diff changeset
241 if fmt != '%(message)s': # %(message)s is the same as None
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Goffi <goffi@goffi.org>
parents: 1006
diff changeset
242 Logger.fmt = 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
243 if COLOR_START in fmt:
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Goffi <goffi@goffi.org>
parents: 1934
diff changeset
244 ConfigureBase._color_location = True
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Goffi <goffi@goffi.org>
parents: 1934
diff changeset
245 if fmt.find(COLOR_END,fmt.rfind(COLOR_START))<0:
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Goffi <goffi@goffi.org>
parents: 1934
diff changeset
246 # color_start not followed by an end, we add it
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Goffi <goffi@goffi.org>
parents: 1934
diff changeset
247 Logger.fmt += COLOR_END
1007
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diff changeset
248
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diff changeset
249 def configure_output(self, output):
1007
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diff changeset
250 if output is not None:
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diff changeset
251 if output != C.LOG_OPT_OUTPUT_SEP + C.LOG_OPT_OUTPUT_DEFAULT:
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diff changeset
252 # TODO: manage other outputs
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diff changeset
253 raise NotImplementedError("Basic backend only manage default output yet")
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parents: 1006
diff changeset
254
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diff changeset
255 def configure_logger(self, logger):
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
256 if logger:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
257 Logger.filter_name = FilterName(logger)
1005
b4af31a8a4f2 core (logs): added formatting, name filter and outputs management:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
258
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3997
diff changeset
259 def configure_colors(self, colors, force_colors, levels_taints_dict):
1942
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
260 if colors:
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
261 # if color are used, we need to handle levels_taints_dict
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2836
diff changeset
262 for level in list(levels_taints_dict.keys()):
1942
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
263 # we wants levels in uppercase to correspond to contstants
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
264 levels_taints_dict[level.upper()] = levels_taints_dict[level]
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
265 taints = self.__class__.taints = {}
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
266 for level in C.LOG_LEVELS:
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
267 # we want use values and use constant value as default
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
268 taint_list = levels_taints_dict.get(level, C.LOG_OPT_TAINTS_DICT[1][level])
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
269 ansi_list = []
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
270 for elt in taint_list:
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
271 elt = elt.upper()
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
272 try:
2154
7cbffd754b4a core (constants), tools (common/ansi): moved ANSI escape codes to a dedicated class, with helper methods
Goffi <goffi@goffi.org>
parents: 1942
diff changeset
273 ansi = getattr(A, 'FG_{}'.format(elt))
1942
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
274 except AttributeError:
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
275 try:
2154
7cbffd754b4a core (constants), tools (common/ansi): moved ANSI escape codes to a dedicated class, with helper methods
Goffi <goffi@goffi.org>
parents: 1942
diff changeset
276 ansi = getattr(A, elt)
1942
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
277 except AttributeError:
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
278 # we use raw string if element is unknown
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
279 ansi = elt
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
280 ansi_list.append(ansi)
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
281 taints[level] = ''.join(ansi_list)
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
282
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3997
diff changeset
283 def post_treatment(self):
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
284 pass
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
285
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3997
diff changeset
286 def manage_outputs(self, outputs_raw):
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
287 """ Parse output option in a backend agnostic way, and fill handlers consequently
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
288
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
289 @param outputs_raw: output option as enterred in environment variable or in configuration
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
290 """
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
291 if not outputs_raw:
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
292 return
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
293 outputs = outputs_raw.split(C.LOG_OPT_OUTPUT_SEP)
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
294 global handlers
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
295 if len(outputs) == 1:
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
296 handlers[C.LOG_OPT_OUTPUT_FILE] = [outputs.pop()]
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
297
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
298 for output in outputs:
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
299 if not output:
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
300 continue
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
301 if output[-1] == ')':
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
302 # we have options
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
303 opt_begin = output.rfind('(')
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
304 options = output[opt_begin+1:-1]
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
305 output = output[:opt_begin]
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
306 else:
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
307 options = None
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
308
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
309 if output not in (C.LOG_OPT_OUTPUT_DEFAULT, C.LOG_OPT_OUTPUT_FILE, C.LOG_OPT_OUTPUT_MEMORY):
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2836
diff changeset
310 raise ValueError("Invalid output [%s]" % output)
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
311
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
312 if output == C.LOG_OPT_OUTPUT_DEFAULT:
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
313 # no option for defaut handler
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
314 handlers[output] = None
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
315 elif output == C.LOG_OPT_OUTPUT_FILE:
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
316 if not options:
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
317 ValueError("{handler} output need a path as option" .format(handle=output))
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
318 handlers.setdefault(output, []).append(options)
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
319 options = None # option are parsed, we can empty them
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
320 elif output == C.LOG_OPT_OUTPUT_MEMORY:
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
321 # we have memory handler, option can be the len limit or None
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
322 try:
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
323 limit = int(options)
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
324 options = None # option are parsed, we can empty them
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
325 except (TypeError, ValueError):
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
326 limit = C.LOG_OPT_OUTPUT_MEMORY_LIMIT
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
327 handlers[output] = limit
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
328
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
329 if options: # we should not have unparsed options
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2836
diff changeset
330 raise ValueError("options [{options}] are not supported for {handler} output".format(options=options, handler=output))
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
331
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
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3997
diff changeset
333 def memory_get(size=None):
1021
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
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
335
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 raise NotImplementedError
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
339
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
340 @classmethod
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3997
diff changeset
341 def ansi_colors(cls, level, message):
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 """Colorise message depending on level for terminals
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 @param level: one of C.LOG_LEVELS
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
345 @param message: formatted message to log
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
346 @return: message with ANSI escape codes for coloration
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
347 """
1942
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
348
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
349 try:
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
350 start = cls.taints[level]
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
351 except KeyError:
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
352 start = ''
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
353
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
354 if cls._color_location:
1942
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
355 return message % {'color_start': start,
2154
7cbffd754b4a core (constants), tools (common/ansi): moved ANSI escape codes to a dedicated class, with helper methods
Goffi <goffi@goffi.org>
parents: 1942
diff changeset
356 'color_end': A.RESET}
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
357 else:
2154
7cbffd754b4a core (constants), tools (common/ansi): moved ANSI escape codes to a dedicated class, with helper methods
Goffi <goffi@goffi.org>
parents: 1942
diff changeset
358 return '%s%s%s' % (start, message, A.RESET)
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
359
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
360 @staticmethod
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3997
diff changeset
361 def get_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
362 """Try to find profile value using introspection"""
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
363 raise NotImplementedError
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
364
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
365
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
366 class ConfigureCustom(ConfigureBase):
1017
0ea97f483464 core (log): added "custom" backend
Goffi <goffi@goffi.org>
parents: 1016
diff changeset
367 LOGGER_CLASS = None
0ea97f483464 core (log): added "custom" backend
Goffi <goffi@goffi.org>
parents: 1016
diff changeset
368
0ea97f483464 core (log): added "custom" backend
Goffi <goffi@goffi.org>
parents: 1016
diff changeset
369 def __init__(self, logger_class, *args, **kwargs):
0ea97f483464 core (log): added "custom" backend
Goffi <goffi@goffi.org>
parents: 1016
diff changeset
370 ConfigureCustom.LOGGER_CLASS = logger_class
0ea97f483464 core (log): added "custom" backend
Goffi <goffi@goffi.org>
parents: 1016
diff changeset
371
0ea97f483464 core (log): added "custom" backend
Goffi <goffi@goffi.org>
parents: 1016
diff changeset
372
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
373 configure_cls = { None: ConfigureBase,
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
374 C.LOG_BACKEND_CUSTOM: ConfigureCustom
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
375 } # XXX: (key: backend, value: Configure subclass) must be filled when new backend are added
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
376
1006
325fd230c15d core (log): added advanced feature to basic backend (colors/formatting/level and logger filtering)
Goffi <goffi@goffi.org>
parents: 1005
diff changeset
377
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
378 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
379 """Configure logging behaviour
991
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
380 @param backend: can be:
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
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381 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
382 C.LOG_BACKEND_CUSTOM: use a given Logger subclass
991
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Goffi <goffi@goffi.org>
parents:
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383 """
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
384 global backend
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
385 if backend is not None:
991
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Goffi <goffi@goffi.org>
parents:
diff changeset
386 raise exceptions.InternalError("Logging can only be configured once")
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
387 backend = backend_
1005
b4af31a8a4f2 core (logs): added formatting, name filter and outputs management:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
388
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
389 try:
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
390 configure_class = configure_cls[backend]
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
391 except KeyError:
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
392 raise ValueError("unknown backend [{}]".format(backend))
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
393 if backend == C.LOG_BACKEND_CUSTOM:
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
394 logger_class = options.pop('logger_class')
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
395 configure_class(logger_class, **options)
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
396 else:
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
397 configure_class(**options)
994
652c01ca69b1 core (log): configuration and environment variables are now checked for log level and colors:
Goffi <goffi@goffi.org>
parents: 992
diff changeset
398
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3997
diff changeset
399 def memory_get(size=None):
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
400 if not C.LOG_OPT_OUTPUT_MEMORY in handlers:
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
401 raise ValueError('memory output is not used')
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3997
diff changeset
402 return configure_cls[backend].memory_get(size)
991
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
403
3997
1b7c6ee080b9 core (log): type hints
Goffi <goffi@goffi.org>
parents: 3988
diff changeset
404 def getLogger(name=C.LOG_BASE_LOGGER) -> 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
405 try:
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
406 logger_class = configure_cls[backend].LOGGER_CLASS
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
407 except KeyError:
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
408 raise ValueError("This method should not be called with backend [{}]".format(backend))
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
409 return _loggers.setdefault(name, logger_class(name))
991
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
410
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
411 _root_logger = getLogger()
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
412
2836
ad00f61fd9f5 core (log): add traceback when "exc_info" is set
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
413 def debug(msg, **kwargs):
ad00f61fd9f5 core (log): add traceback when "exc_info" is set
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
414 _root_logger.debug(msg, **kwargs)
991
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
415
2836
ad00f61fd9f5 core (log): add traceback when "exc_info" is set
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
416 def info(msg, **kwargs):
ad00f61fd9f5 core (log): add traceback when "exc_info" is set
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
417 _root_logger.info(msg, **kwargs)
991
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
418
2836
ad00f61fd9f5 core (log): add traceback when "exc_info" is set
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
419 def warning(msg, **kwargs):
ad00f61fd9f5 core (log): add traceback when "exc_info" is set
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
420 _root_logger.warning(msg, **kwargs)
991
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
421
2836
ad00f61fd9f5 core (log): add traceback when "exc_info" is set
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
422 def error(msg, **kwargs):
ad00f61fd9f5 core (log): add traceback when "exc_info" is set
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
423 _root_logger.error(msg, **kwargs)
991
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
424
2836
ad00f61fd9f5 core (log): add traceback when "exc_info" is set
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
425 def critical(msg, **kwargs):
ad00f61fd9f5 core (log): add traceback when "exc_info" is set
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
426 _root_logger.critical(msg, **kwargs)