annotate sat/core/log.py @ 2798:7d2d28564b3e 0.7.0a3

0.7.0a3 release
author Goffi <goffi@goffi.org>
date Wed, 06 Feb 2019 09:10:27 +0100
parents 003b8b4b56a7
children ad00f61fd9f5
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rev   line source
1934
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1 #!/usr/bin/env python2
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2 # -*- coding: utf-8 -*-
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3
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4 # SàT: a XMPP client
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5 # Copyright (C) 2009-2019 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 sat.core.constants import Const as C
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25 from sat.tools.common.ansi import ANSI as A
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26 from sat.core import exceptions
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27
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28 backend = None
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29 _loggers = {}
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30 handlers = {}
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31 COLOR_START = '%(color_start)s'
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32 COLOR_END = '%(color_end)s'
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33
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34
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35 class Filtered(Exception):
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36 pass
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37
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38
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39 class Logger(object):
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40 """High level logging class"""
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41 fmt = None # format option as given by user (e.g. SAT_LOG_LOGGER)
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42 filter_name = None # filter to call
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43 post_treat = None
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44
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45 def __init__(self, name):
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46 if isinstance(name, Logger):
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47 self.copy(name)
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48 else:
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49 self._name = name
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50
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51 def copy(self, other):
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52 """Copy values from other Logger"""
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53 self.fmt = other.fmt
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54 self.Filter_name = other.fmt
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55 self.post_treat = other.post_treat
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56 self._name = other._name
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57
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58 def out(self, message, level=None):
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59 """Actually log the message
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60
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61 @param message: formatted message
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62 """
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63 print message
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64
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65 def log(self, level, message):
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66 """Print message
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67
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68 @param level: one of C.LOG_LEVELS
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69 @param message: message to format and print
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70 """
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71 try:
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72 formatted = self.format(level, message)
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73 if self.post_treat is None:
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74 self.out(formatted, level)
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75 else:
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76 self.out(self.post_treat(level, formatted), level)
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77 except Filtered:
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78 pass
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79
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80 def format(self, level, message):
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81 """Format message according to Logger.fmt
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82
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83 @param level: one of C.LOG_LEVELS
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84 @param message: message to format
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85 @return: formatted message
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86
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87 @raise: Filtered when the message must not be logged
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88 """
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89 if self.fmt is None and self.filter_name is None:
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90 return message
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91 record = {'name': self._name,
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92 'message': message,
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93 'levelname': level,
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94 }
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95 try:
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96 if not self.filter_name.dictFilter(record):
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97 raise Filtered
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98 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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99 if self.filter_name is not None:
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100 raise ValueError("Bad filter: filters must have a .filter method")
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101 try:
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102 return self.fmt % record
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103 except TypeError:
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104 return message
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105 except KeyError as e:
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106 if e.args[0] == 'profile':
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107 # XXX: %(profile)s use some magic with introspection, for debugging purpose only *DO NOT* use in production
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108 record['profile'] = configure_cls[backend].getProfile()
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109 return self.fmt % record
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110 else:
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111 raise e
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112
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113 def debug(self, msg):
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114 self.log(C.LOG_LVL_DEBUG, msg)
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115
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116 def info(self, msg):
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117 self.log(C.LOG_LVL_INFO, msg)
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118
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119 def warning(self, msg):
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120 self.log(C.LOG_LVL_WARNING, msg)
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121
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122 def error(self, msg):
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123 self.log(C.LOG_LVL_ERROR, msg)
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124
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125 def critical(self, msg):
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126 self.log(C.LOG_LVL_CRITICAL, msg)
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127
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parents:
diff changeset
128
1005
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129 class FilterName(object):
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130 """Filter on logger name according to a regex"""
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diff changeset
131
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132 def __init__(self, name_re):
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133 """Initialise name filter
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diff changeset
134
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diff changeset
135 @param name_re: regular expression used to filter names (using search and not match)
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parents: 994
diff changeset
136 """
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parents: 994
diff changeset
137 assert name_re
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parents: 994
diff changeset
138 import re
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parents: 994
diff changeset
139 self.name_re = re.compile(name_re)
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diff changeset
140
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diff changeset
141 def filter(self, record):
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parents: 994
diff changeset
142 if self.name_re.search(record.name) is not None:
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diff changeset
143 return 1
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diff changeset
144 return 0
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parents: 994
diff changeset
145
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diff changeset
146 def dictFilter(self, dict_record):
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147 """Filter using a dictionary record
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148
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149 @param dict_record: dictionary with at list a key "name" with logger name
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150 @return: True if message should be logged
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151 """
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diff changeset
152 class LogRecord(object):
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153 pass
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diff changeset
154 log_record = LogRecord()
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155 log_record.name = dict_record['name']
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diff changeset
156 return self.filter(log_record) == 1
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parents: 1005
diff changeset
157
1010
73a0b7f94674 primitivus: use of new logging system:
Goffi <goffi@goffi.org>
parents: 1008
diff changeset
158
1021
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diff changeset
159 class ConfigureBase(object):
1017
0ea97f483464 core (log): added "custom" backend
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diff changeset
160 LOGGER_CLASS = Logger
2671
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parents: 2562
diff changeset
161 # True if color location is specified in fmt (with COLOR_START)
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diff changeset
162 _color_location = False
1005
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diff changeset
163
2671
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diff changeset
164 def __init__(self, level=None, fmt=None, output=None, logger=None, colors=False,
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diff changeset
165 levels_taints_dict=None, force_colors=False, backend_data=None):
1021
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166 """Configure a backend
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167
1007
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168 @param level: one of C.LOG_LEVELS
2671
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diff changeset
169 @param fmt: format string, pretty much as in std logging.
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diff changeset
170 Accept the following keywords (maybe more depending on backend):
1007
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171 - "message"
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diff changeset
172 - "levelname"
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diff changeset
173 - "name" (logger name)
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diff changeset
174 @param logger: if set, use it as a regular expression to filter on logger name.
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diff changeset
175 Use search to match expression, so ^ or $ can be necessary.
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diff changeset
176 @param colors: if True use ANSI colors to show log levels
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parents: 1006
diff changeset
177 @param force_colors: if True ANSI colors are used even if stdout is not a tty
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diff changeset
178 """
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
179 self.backend_data = backend_data
1007
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diff changeset
180 self.preTreatment()
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diff changeset
181 self.configureLevel(level)
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diff changeset
182 self.configureFormat(fmt)
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diff changeset
183 self.configureOutput(output)
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diff changeset
184 self.configureLogger(logger)
1942
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
185 self.configureColors(colors, force_colors, levels_taints_dict)
1007
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diff changeset
186 self.postTreatment()
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diff changeset
187 self.updateCurrentLogger()
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diff changeset
188
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
189 def updateCurrentLogger(self):
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
190 """update existing logger to the class needed for this backend"""
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Goffi <goffi@goffi.org>
parents: 1006
diff changeset
191 if self.LOGGER_CLASS is None:
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parents: 1006
diff changeset
192 return
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
193 for name, logger in _loggers.items():
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diff changeset
194 _loggers[name] = self.LOGGER_CLASS(logger)
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diff changeset
195
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diff changeset
196 def preTreatment(self):
a7d33c7a8277 core (log): refactoring + twisted backend:
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parents: 1006
diff changeset
197 pass
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diff changeset
198
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
199 def configureLevel(self, level):
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parents: 1006
diff changeset
200 if level is not None:
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parents: 1006
diff changeset
201 # we deactivate methods below level
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diff changeset
202 level_idx = C.LOG_LEVELS.index(level)
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Goffi <goffi@goffi.org>
parents: 1006
diff changeset
203 def dev_null(self, msg):
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
204 pass
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
205 for _level in C.LOG_LEVELS[:level_idx]:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
206 setattr(Logger, _level.lower(), dev_null)
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Goffi <goffi@goffi.org>
parents: 1006
diff changeset
207
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
208 def configureFormat(self, fmt):
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
209 if fmt is not None:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
210 if fmt != '%(message)s': # %(message)s is the same as None
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
211 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
212 if COLOR_START in fmt:
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
213 ConfigureBase._color_location = True
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
214 if fmt.find(COLOR_END,fmt.rfind(COLOR_START))<0:
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
215 # color_start not followed by an end, we add it
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
216 Logger.fmt += COLOR_END
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
217
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
218 def configureOutput(self, output):
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
219 if output is not None:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
220 if output != C.LOG_OPT_OUTPUT_SEP + C.LOG_OPT_OUTPUT_DEFAULT:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
221 # TODO: manage other outputs
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
222 raise NotImplementedError("Basic backend only manage default output yet")
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
223
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
224 def configureLogger(self, logger):
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
225 if logger:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
226 Logger.filter_name = FilterName(logger)
1005
b4af31a8a4f2 core (logs): added formatting, name filter and outputs management:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
227
1942
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
228 def configureColors(self, colors, force_colors, levels_taints_dict):
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
229 if colors:
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
230 # if color are used, we need to handle levels_taints_dict
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
231 for level in levels_taints_dict.keys():
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
232 # we wants levels in uppercase to correspond to contstants
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
233 levels_taints_dict[level.upper()] = levels_taints_dict[level]
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
234 taints = self.__class__.taints = {}
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
235 for level in C.LOG_LEVELS:
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
236 # we want use values and use constant value as default
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
237 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
238 ansi_list = []
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
239 for elt in taint_list:
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
240 elt = elt.upper()
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
241 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
242 ansi = getattr(A, 'FG_{}'.format(elt))
1942
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
243 except AttributeError:
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
244 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
245 ansi = getattr(A, elt)
1942
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
246 except AttributeError:
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
247 # we use raw string if element is unknown
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
248 ansi = elt
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
249 ansi_list.append(ansi)
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
250 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
251
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
252 def postTreatment(self):
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
253 pass
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
254
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
255 def manageOutputs(self, 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
256 """ 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
257
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
258 @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
259 """
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
260 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
261 return
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
262 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
263 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
264 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
265 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
266
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
267 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
268 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
269 continue
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
270 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
271 # 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
272 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
273 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
274 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
275 else:
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
276 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
277
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
278 if output not in (C.LOG_OPT_OUTPUT_DEFAULT, C.LOG_OPT_OUTPUT_FILE, 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
279 raise ValueError(u"Invalid output [%s]" % output)
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
280
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
281 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
282 # 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
283 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
284 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
285 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
286 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
287 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
288 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
289 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
290 # 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
291 try:
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
292 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
293 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
294 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
295 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
296 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
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 if options: # we should not have unparsed 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
299 raise ValueError(u"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
300
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
301 @staticmethod
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
302 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
303 """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
304
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
305 @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
306 """
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
307 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
308
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
309 @classmethod
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
310 def ansiColors(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
311 """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
312
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
313 @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
314 @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
315 @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
316 """
1942
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
317
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
318 try:
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
319 start = cls.taints[level]
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
320 except KeyError:
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
321 start = ''
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
322
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
323 if cls._color_location:
1942
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1940
diff changeset
324 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
325 '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
326 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
327 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
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 @staticmethod
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
330 def getProfile():
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
331 """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
332 raise NotImplementedError
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
333
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
334
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
335 class ConfigureCustom(ConfigureBase):
1017
0ea97f483464 core (log): added "custom" backend
Goffi <goffi@goffi.org>
parents: 1016
diff changeset
336 LOGGER_CLASS = None
0ea97f483464 core (log): added "custom" backend
Goffi <goffi@goffi.org>
parents: 1016
diff changeset
337
0ea97f483464 core (log): added "custom" backend
Goffi <goffi@goffi.org>
parents: 1016
diff changeset
338 def __init__(self, logger_class, *args, **kwargs):
0ea97f483464 core (log): added "custom" backend
Goffi <goffi@goffi.org>
parents: 1016
diff changeset
339 ConfigureCustom.LOGGER_CLASS = logger_class
0ea97f483464 core (log): added "custom" backend
Goffi <goffi@goffi.org>
parents: 1016
diff changeset
340
0ea97f483464 core (log): added "custom" backend
Goffi <goffi@goffi.org>
parents: 1016
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 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
343 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
344 } # 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
345
1006
325fd230c15d core (log): added advanced feature to basic backend (colors/formatting/level and logger filtering)
Goffi <goffi@goffi.org>
parents: 1005
diff changeset
346
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
347 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
348 """Configure logging behaviour
991
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
349 @param backend: can be:
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
350 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
351 C.LOG_BACKEND_CUSTOM: use a given Logger subclass
991
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
352 """
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
353 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
354 if backend is not None:
991
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
355 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
356 backend = backend_
1005
b4af31a8a4f2 core (logs): added formatting, name filter and outputs management:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
357
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
358 try:
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
359 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
360 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
361 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
362 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
363 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
364 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
365 else:
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
366 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
367
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
368 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
369 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
370 raise ValueError('memory output is not used')
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
371 return configure_cls[backend].memoryGet(size)
991
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
372
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
373 def getLogger(name=C.LOG_BASE_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
374 try:
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
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375 logger_class = configure_cls[backend].LOGGER_CLASS
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
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376 except KeyError:
1940
3fdacba9da68 core (logs): log color location can now be specified with %(color_start)s and %(color_end)s
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377 raise ValueError("This method should not be called with backend [{}]".format(backend))
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
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378 return _loggers.setdefault(name, logger_class(name))
991
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379
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380 _root_logger = getLogger()
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381
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382 def debug(msg):
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383 _root_logger.debug(msg)
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384
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385 def info(msg):
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386 _root_logger.info(msg)
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387
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388 def warning(msg):
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389 _root_logger.warning(msg)
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390
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391 def error(msg):
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392 _root_logger.error(msg)
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393
05e02f8b7eb4 core: logging refactoring, first step:
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394 def critical(msg):
05e02f8b7eb4 core: logging refactoring, first step:
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395 _root_logger.critical(msg)