annotate src/core/log_config.py @ 2013:b536dd121da1

backend (memory), frontends: improved history filtering: a "filters" dictionnary is now use to filter, it can have, for now, filtering on: - "body": filter only on the body (equivalent to former "search" parameter, but not case sensitive) - "search": fitler on body + source resource - "types": allowed types - "not_types": forbidden types primitivus now do searching using "search", i.e. source resource is now taken into account (and search is now case insensitive)
author Goffi <goffi@goffi.org>
date Mon, 18 Jul 2016 00:52:02 +0200
parents 7f053e1f0b67
children 0931b5a6213c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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2daf7b4c6756 use of /usr/bin/env instead of /usr/bin/python in shebang
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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) 2009-2016 Jérôme Poisson (goffi@goffi.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 """High level logging functions"""
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21 # XXX: this module use standard logging module when possible, but as SàT can work in different cases where logging is not the best choice (twisted, pyjamas, etc), it is necessary to have a dedicated module. Additional feature like environment variables and colors are also managed.
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22
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23 from sat.core.constants import Const as C
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24 from sat.core import log
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25
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26
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27 class TwistedLogger(log.Logger):
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28 colors = True
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29 force_colors = False
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30
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31 def __init__(self, *args, **kwargs):
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32 super(TwistedLogger, self).__init__(*args, **kwargs)
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33 from twisted.python import log as twisted_log
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34 self.twisted_log = twisted_log
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35
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36 def out(self, message, level=None):
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37 """Actually log the message
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38
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39 @param message: formatted message
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40 """
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41 self.twisted_log.msg(message.encode('utf-8', 'ignore'), sat_logged=True, level=level)
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42
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43
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44 class ConfigureBasic(log.ConfigureBase):
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45
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46 def configureColors(self, colors, force_colors, levels_taints_dict):
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47 super(ConfigureBasic, self).configureColors(colors, force_colors, levels_taints_dict)
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48 if colors:
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49 import sys
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50 if force_colors or sys.stdout.isatty(): # FIXME: isatty should be tested on each handler, not globaly
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51 # we need colors
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52 log.Logger.post_treat = lambda logger, level, message: self.ansiColors(level, message)
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53 elif force_colors:
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54 raise ValueError("force_colors can't be used if colors is False")
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55
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56 @staticmethod
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57 def getProfile():
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58 """Try to find profile value using introspection"""
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59 import inspect
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60 stack = inspect.stack()
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61 current_path = stack[0][1]
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62 for frame_data in stack[:-1]:
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63 if frame_data[1] != current_path:
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64 if log.backend == C.LOG_BACKEND_STANDARD and "/logging/__init__.py" in frame_data[1]:
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65 continue
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66 break
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67
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68 frame = frame_data[0]
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69 args = inspect.getargvalues(frame)
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70 try:
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71 profile = args.locals.get('profile') or args.locals['profile_key']
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72 except (TypeError, KeyError):
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73 try:
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74 try:
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75 profile = args.locals['self'].profile
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76 except AttributeError:
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77 try:
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78 profile = args.locals['self'].parent.profile
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79 except AttributeError:
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80 profile = args.locals['self'].host.profile # used in quick_frontend for single profile configuration
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81 except Exception:
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82 # we can't find profile, we return an empty value
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83 profile = ''
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84 return profile
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85
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86
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87 class ConfigureTwisted(ConfigureBasic):
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88 LOGGER_CLASS = TwistedLogger
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89
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90 def changeObserver(self, observer, can_colors=False):
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91 """Install a hook on observer to manage SàT specificities
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92
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93 @param observer: original observer to hook
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94 @param can_colors: True if observer can display ansi colors
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95 """
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96 def observer_hook(event):
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97 """redirect non SàT log to twisted_logger, and add colors when possible"""
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98 if 'sat_logged' in event: # we only want our own logs, other are managed by twistedObserver
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99 # we add colors if possible
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100 if (can_colors and self.LOGGER_CLASS.colors) or self.LOGGER_CLASS.force_colors:
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101 message = event.get('message', tuple())
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102 level = event.get('level', C.LOG_LVL_INFO)
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103 if message:
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104 event['message'] = (self.ansiColors(level, ''.join(message)),) # must be a tuple
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105 observer(event) # we can now call the original observer
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106
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107 return observer_hook
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108
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109 def changeFileLogObserver(self, observer):
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110 """Install SàT hook for FileLogObserver
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111
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112 if the output is a tty, we allow colors, else we don't
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113 @param observer: original observer to hook
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114 """
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115 log_obs = observer.__self__
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116 log_file = log_obs.write.__self__
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117 try:
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118 can_colors = log_file.isatty()
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119 except AttributeError:
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120 can_colors = False
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121 return self.changeObserver(observer, can_colors=can_colors)
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122
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123 def installObserverHook(self, observer):
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diff changeset
124 """Check observer type and install SàT hook when possible
991
05e02f8b7eb4 core: logging refactoring, first step:
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parents:
diff changeset
125
1007
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diff changeset
126 @param observer: observer to hook
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diff changeset
127 @return: hooked observer or original one
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
128 """
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
129 if hasattr(observer, '__self__'):
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diff changeset
130 ori = observer
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
131 if isinstance(observer.__self__, self.twisted_log.FileLogObserver):
1007
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diff changeset
132 observer = self.changeFileLogObserver(observer)
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
133 elif isinstance(observer.__self__, self.twisted_log.DefaultObserver):
1012
c8771279497e core(log): standard backend: colors are now checked on a per handler basis
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parents: 1010
diff changeset
134 observer = self.changeObserver(observer, can_colors=True)
1007
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diff changeset
135 else:
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
136 # we use print because log system is not fully initialized
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
137 print("Unmanaged observer [%s]" % observer)
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diff changeset
138 return observer
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diff changeset
139 self.observers[ori] = observer
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diff changeset
140 return observer
991
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parents:
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141
1007
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diff changeset
142 def preTreatment(self):
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143 """initialise needed attributes, and install observers hooks"""
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144 self.observers = {}
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
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diff changeset
145 from twisted.python import log as twisted_log
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
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diff changeset
146 self.twisted_log = twisted_log
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
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diff changeset
147 self.log_publisher = twisted_log.msg.__self__
1007
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diff changeset
148 def addObserverObserver(self_logpub, other):
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149 """Install hook so we know when a new observer is added"""
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diff changeset
150 other = self.installObserverHook(other)
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diff changeset
151 return self_logpub._originalAddObserver(other)
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diff changeset
152 def removeObserverObserver(self_logpub, ori):
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diff changeset
153 """removeObserver hook fix
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diff changeset
154
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
155 As we wrap the original observer, the original removeObserver may want to remove the original object instead of the wrapper, this method fix this
a7d33c7a8277 core (log): refactoring + twisted backend:
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156 """
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diff changeset
157 if ori in self.observers:
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diff changeset
158 self_logpub._originalRemoveObserver(self.observers[ori])
1005
b4af31a8a4f2 core (logs): added formatting, name filter and outputs management:
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parents: 994
diff changeset
159 else:
1007
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diff changeset
160 try:
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
161 self_logpub._originalRemoveObserver(ori)
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diff changeset
162 except ValueError:
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
163 try:
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
164 ori in self.cleared_observers
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diff changeset
165 except AttributeError:
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
166 raise ValueError("Unknown observer")
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
167
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
168 # we replace addObserver/removeObserver by our own
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
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parents: 1017
diff changeset
169 twisted_log.LogPublisher._originalAddObserver = twisted_log.LogPublisher.addObserver
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
170 twisted_log.LogPublisher._originalRemoveObserver = twisted_log.LogPublisher.removeObserver
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
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parents: 1006
diff changeset
171 import types # see https://stackoverflow.com/a/4267590 (thx Chris Morgan/aaronasterling)
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
172 twisted_log.addObserver = types.MethodType(addObserverObserver, self.log_publisher, twisted_log.LogPublisher)
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
173 twisted_log.removeObserver = types.MethodType(removeObserverObserver, self.log_publisher, twisted_log.LogPublisher)
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
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parents: 1006
diff changeset
174
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
175 # we now change existing observers
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
176 for idx, observer in enumerate(self.log_publisher.observers):
a7d33c7a8277 core (log): refactoring + twisted backend:
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parents: 1006
diff changeset
177 self.log_publisher.observers[idx] = self.installObserverHook(observer)
a7d33c7a8277 core (log): refactoring + twisted backend:
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parents: 1006
diff changeset
178
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
179 def configureLevel(self, level):
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
180 self.LOGGER_CLASS.level = level
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diff changeset
181 super(ConfigureTwisted, self).configureLevel(level)
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diff changeset
182
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
183 def configureOutput(self, output):
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diff changeset
184 import sys
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diff changeset
185 if output is None:
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
186 output = C.LOG_OPT_OUTPUT_SEP + C.LOG_OPT_OUTPUT_DEFAULT
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
187 self.manageOutputs(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
188 addObserver = self.twisted_log.addObserver
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
189
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
190 if C.LOG_OPT_OUTPUT_DEFAULT in log.handlers:
1116
ee450d7c88a7 core (logging): logging is added to stdout in nodaemon mode (it was already the case in debug mode)
Goffi <goffi@goffi.org>
parents: 1021
diff changeset
191 # default output is already managed, we just add output to stdout if we are in debug or nodaemon mode
1129
08f50fdac21b core (logging): new backend_data parameter can be used to transmit specific data to a backend + Twisted backend use this option to know if we are in debug or nodaemon mode
Goffi <goffi@goffi.org>
parents: 1121
diff changeset
192 if self.backend_data is None:
08f50fdac21b core (logging): new backend_data parameter can be used to transmit specific data to a backend + Twisted backend use this option to know if we are in debug or nodaemon mode
Goffi <goffi@goffi.org>
parents: 1121
diff changeset
193 raise ValueError("You must pass options as backend_data with Twisted backend")
08f50fdac21b core (logging): new backend_data parameter can be used to transmit specific data to a backend + Twisted backend use this option to know if we are in debug or nodaemon mode
Goffi <goffi@goffi.org>
parents: 1121
diff changeset
194 options = self.backend_data
08f50fdac21b core (logging): new backend_data parameter can be used to transmit specific data to a backend + Twisted backend use this option to know if we are in debug or nodaemon mode
Goffi <goffi@goffi.org>
parents: 1121
diff changeset
195 if options.get('nodaemon', False) or options.get('debug', False):
08f50fdac21b core (logging): new backend_data parameter can be used to transmit specific data to a backend + Twisted backend use this option to know if we are in debug or nodaemon mode
Goffi <goffi@goffi.org>
parents: 1121
diff changeset
196 addObserver(self.twisted_log.FileLogObserver(sys.stdout).emit)
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
197 else:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
198 # \\default is not in the output, so we remove current observers
a7d33c7a8277 core (log): refactoring + twisted backend:
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parents: 1006
diff changeset
199 self.cleared_observers = self.log_publisher.observers
a7d33c7a8277 core (log): refactoring + twisted backend:
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parents: 1006
diff changeset
200 self.observers.clear()
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
201 del self.log_publisher.observers[:]
a7d33c7a8277 core (log): refactoring + twisted backend:
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parents: 1006
diff changeset
202 # and we forbid twistd to add any observer
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
203 self.twisted_log.addObserver = lambda other: None
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
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parents: 1006
diff changeset
204
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
205 if C.LOG_OPT_OUTPUT_FILE in log.handlers:
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
206 from twisted.python import logfile
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
207 for path in log.handlers[C.LOG_OPT_OUTPUT_FILE]:
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
208 log_file = sys.stdout if path == '-' else logfile.LogFile.fromFullPath(path)
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
209 addObserver(self.twisted_log.FileLogObserver(log_file).emit)
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
210
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
211 if C.LOG_OPT_OUTPUT_MEMORY in log.handlers:
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
212 raise NotImplementedError("Memory observer is not implemented in Twisted backend")
a7d33c7a8277 core (log): refactoring + twisted backend:
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parents: 1006
diff changeset
213
1942
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1941
diff changeset
214 def configureColors(self, colors, force_colors, levels_taints_dict):
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1941
diff changeset
215 super(ConfigureTwisted, self).configureColors(colors, force_colors, levels_taints_dict)
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
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parents: 1006
diff changeset
216 self.LOGGER_CLASS.colors = colors
a7d33c7a8277 core (log): refactoring + twisted backend:
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parents: 1006
diff changeset
217 self.LOGGER_CLASS.force_colors = force_colors
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
218 if force_colors and not colors:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
219 raise ValueError('colors must be True if force_colors is True')
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
220
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
221 def postTreatment(self):
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
222 """Install twistedObserver which manage non SàT logs"""
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
223 def twistedObserver(event):
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
224 """Observer which redirect log message not produced by SàT to SàT logging system"""
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
225 if not 'sat_logged' in event:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
226 # this log was not produced by SàT
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
227 from twisted.python import log as twisted_log
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
228 text = twisted_log.textFromEventDict(event)
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
229 if text is None:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
230 return
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
231 twisted_logger = log.getLogger(C.LOG_TWISTED_LOGGER)
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
232 log_method = twisted_logger.error if event.get('isError', False) else twisted_logger.info
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
233 log_method(text.decode('utf-8'))
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
234
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
235 self.log_publisher._originalAddObserver(twistedObserver)
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
236
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
237
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
238 class ConfigureStandard(ConfigureBasic):
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
239
1942
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1941
diff changeset
240 def __init__(self, level=None, fmt=None, output=None, logger=None, colors=False, levels_taints_dict=None, force_colors=False, backend_data=None):
1010
73a0b7f94674 primitivus: use of new logging system:
Goffi <goffi@goffi.org>
parents: 1008
diff changeset
241 if fmt is None:
73a0b7f94674 primitivus: use of new logging system:
Goffi <goffi@goffi.org>
parents: 1008
diff changeset
242 fmt = C.LOG_OPT_FORMAT[1]
73a0b7f94674 primitivus: use of new logging system:
Goffi <goffi@goffi.org>
parents: 1008
diff changeset
243 if output is None:
73a0b7f94674 primitivus: use of new logging system:
Goffi <goffi@goffi.org>
parents: 1008
diff changeset
244 output = C.LOG_OPT_OUTPUT[1]
1942
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1941
diff changeset
245 super(ConfigureStandard, self).__init__(level, fmt, output, logger, colors, levels_taints_dict, force_colors, backend_data)
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246
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247 def preTreatment(self):
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248 """We use logging methods directly, instead of using Logger"""
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diff changeset
249 import logging
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250 log.getLogger = logging.getLogger
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diff changeset
251 log.debug = logging.debug
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diff changeset
252 log.info = logging.info
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253 log.warning = logging.warning
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diff changeset
254 log.error = logging.error
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diff changeset
255 log.critical = logging.critical
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256
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diff changeset
257 def configureLevel(self, level):
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diff changeset
258 if level is None:
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diff changeset
259 level = C.LOG_LVL_DEBUG
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diff changeset
260 self.level = level
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diff changeset
261
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diff changeset
262 def configureFormat(self, fmt):
1940
3fdacba9da68 core (logs): log color location can now be specified with %(color_start)s and %(color_end)s
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parents: 1934
diff changeset
263 super(ConfigureStandard, self).configureFormat(fmt)
1007
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diff changeset
264 import logging
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265
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266 class SatFormatter(logging.Formatter):
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267 u"""Formatter which manage SàT specificities"""
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diff changeset
268 _format = fmt
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diff changeset
269 _with_profile = '%(profile)s' in fmt
1007
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diff changeset
270
1012
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271 def __init__(self, can_colors=False):
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272 super(SatFormatter, self).__init__(self._format)
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diff changeset
273 self.can_colors = can_colors
1007
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274
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275 def format(self, record):
1013
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diff changeset
276 if self._with_profile:
1021
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diff changeset
277 record.profile = ConfigureStandard.getProfile()
1940
3fdacba9da68 core (logs): log color location can now be specified with %(color_start)s and %(color_end)s
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parents: 1934
diff changeset
278 do_color = self.with_colors and (self.can_colors or self.force_colors)
3fdacba9da68 core (logs): log color location can now be specified with %(color_start)s and %(color_end)s
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parents: 1934
diff changeset
279 if ConfigureStandard._color_location:
3fdacba9da68 core (logs): log color location can now be specified with %(color_start)s and %(color_end)s
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parents: 1934
diff changeset
280 # we copy raw formatting strings for color_*
3fdacba9da68 core (logs): log color location can now be specified with %(color_start)s and %(color_end)s
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parents: 1934
diff changeset
281 # as formatting is handled in ansiColors in this case
3fdacba9da68 core (logs): log color location can now be specified with %(color_start)s and %(color_end)s
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
282 if do_color:
3fdacba9da68 core (logs): log color location can now be specified with %(color_start)s and %(color_end)s
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
283 record.color_start = log.COLOR_START
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Goffi <goffi@goffi.org>
parents: 1934
diff changeset
284 record.color_end = log.COLOR_END
3fdacba9da68 core (logs): log color location can now be specified with %(color_start)s and %(color_end)s
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
285 else:
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 record.color_start = record.color_end = ''
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
287 s = super(SatFormatter, self).format(record)
1940
3fdacba9da68 core (logs): log color location can now be specified with %(color_start)s and %(color_end)s
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
288 if do_color:
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
289 s = ConfigureStandard.ansiColors(record.levelname, s)
1007
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diff changeset
290 return s
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diff changeset
291
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diff changeset
292 self.formatterClass = SatFormatter
1006
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diff changeset
293
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
294 def configureOutput(self, output):
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
295 self.manageOutputs(output)
1006
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diff changeset
296
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
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diff changeset
297 def configureLogger(self, logger):
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
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parents: 1017
diff changeset
298 self.name_filter = log.FilterName(logger) if logger else None
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
299
1942
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1941
diff changeset
300 def configureColors(self, colors, force_colors, levels_taints_dict):
7f053e1f0b67 core (logs): taints:
Goffi <goffi@goffi.org>
parents: 1941
diff changeset
301 super(ConfigureStandard, self).configureColors(colors, force_colors, levels_taints_dict)
1012
c8771279497e core(log): standard backend: colors are now checked on a per handler basis
Goffi <goffi@goffi.org>
parents: 1010
diff changeset
302 self.formatterClass.with_colors = colors
c8771279497e core(log): standard backend: colors are now checked on a per handler basis
Goffi <goffi@goffi.org>
parents: 1010
diff changeset
303 self.formatterClass.force_colors = force_colors
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
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diff changeset
304 if not colors and force_colors:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
305 raise ValueError("force_colors can't be used if colors is False")
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
306
1012
c8771279497e core(log): standard backend: colors are now checked on a per handler basis
Goffi <goffi@goffi.org>
parents: 1010
diff changeset
307 def _addHandler(self, root_logger, hdlr, can_colors=False):
c8771279497e core(log): standard backend: colors are now checked on a per handler basis
Goffi <goffi@goffi.org>
parents: 1010
diff changeset
308 hdlr.setFormatter(self.formatterClass(can_colors))
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
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diff changeset
309 root_logger.addHandler(hdlr)
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
310 root_logger.setLevel(self.level)
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
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diff changeset
311 if self.name_filter is not None:
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
312 hdlr.addFilter(self.name_filter)
a7d33c7a8277 core (log): refactoring + twisted backend:
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parents: 1006
diff changeset
313
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
314 def postTreatment(self):
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
315 import logging
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
316 root_logger = logging.getLogger()
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
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diff changeset
317 if len(root_logger.handlers) == 0:
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 for handler, options in log.handlers.items():
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
319 if handler == C.LOG_OPT_OUTPUT_DEFAULT:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
320 hdlr = logging.StreamHandler()
1012
c8771279497e core(log): standard backend: colors are now checked on a per handler basis
Goffi <goffi@goffi.org>
parents: 1010
diff changeset
321 try:
c8771279497e core(log): standard backend: colors are now checked on a per handler basis
Goffi <goffi@goffi.org>
parents: 1010
diff changeset
322 can_colors = hdlr.stream.isatty()
c8771279497e core(log): standard backend: colors are now checked on a per handler basis
Goffi <goffi@goffi.org>
parents: 1010
diff changeset
323 except AttributeError:
c8771279497e core(log): standard backend: colors are now checked on a per handler basis
Goffi <goffi@goffi.org>
parents: 1010
diff changeset
324 can_colors = False
c8771279497e core(log): standard backend: colors are now checked on a per handler basis
Goffi <goffi@goffi.org>
parents: 1010
diff changeset
325 self._addHandler(root_logger, hdlr, can_colors=can_colors)
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
326 elif handler == C.LOG_OPT_OUTPUT_MEMORY:
1010
73a0b7f94674 primitivus: use of new logging system:
Goffi <goffi@goffi.org>
parents: 1008
diff changeset
327 from logging.handlers import BufferingHandler
73a0b7f94674 primitivus: use of new logging system:
Goffi <goffi@goffi.org>
parents: 1008
diff changeset
328 class SatMemoryHandler(BufferingHandler):
73a0b7f94674 primitivus: use of new logging system:
Goffi <goffi@goffi.org>
parents: 1008
diff changeset
329 def emit(self, record):
73a0b7f94674 primitivus: use of new logging system:
Goffi <goffi@goffi.org>
parents: 1008
diff changeset
330 super(SatMemoryHandler, self).emit(self.format(record))
73a0b7f94674 primitivus: use of new logging system:
Goffi <goffi@goffi.org>
parents: 1008
diff changeset
331 hdlr = SatMemoryHandler(options)
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
332 log.handlers[handler] = hdlr # we keep a reference to the handler to read the buffer later
1012
c8771279497e core(log): standard backend: colors are now checked on a per handler basis
Goffi <goffi@goffi.org>
parents: 1010
diff changeset
333 self._addHandler(root_logger, hdlr, can_colors=False)
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
334 elif handler == C.LOG_OPT_OUTPUT_FILE:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
335 import os.path
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
336 for path in options:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
337 hdlr = logging.FileHandler(os.path.expanduser(path))
1012
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Goffi <goffi@goffi.org>
parents: 1010
diff changeset
338 self._addHandler(root_logger, hdlr, can_colors=False)
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
339 else:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
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diff changeset
340 raise ValueError("Unknown handler type")
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
341 else:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
342 root_logger.warning(u"Handlers already set on root logger")
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
343
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
344 @staticmethod
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
345 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
346 """Return buffered logs
1006
325fd230c15d core (log): added advanced feature to basic backend (colors/formatting/level and logger filtering)
Goffi <goffi@goffi.org>
parents: 1005
diff changeset
347
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
348 @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
349 """
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
350 mem_handler = log.handlers[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
351 return (log_msg for log_msg in mem_handler.buffer[size if size is None else -size:])
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
352
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
353
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
354 log.configure_cls[C.LOG_BACKEND_BASIC] = ConfigureBasic
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
355 log.configure_cls[C.LOG_BACKEND_TWISTED] = ConfigureTwisted
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
356 log.configure_cls[C.LOG_BACKEND_STANDARD] = ConfigureStandard
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
357
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
358 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
359 """Configure logging behaviour
991
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
360 @param backend: can be:
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
361 C.LOG_BACKEND_STANDARD: use standard logging module
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
362 C.LOG_BACKEND_TWISTED: use twisted logging module (with standard logging observer)
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
363 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
364 C.LOG_BACKEND_CUSTOM: use a given Logger subclass
991
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
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 return log.configure(backend, **options)
991
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
367
994
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368 def _parseOptions(options):
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369 """Parse string options as given in conf or environment variable, and return expected python value
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370
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371 @param options (dict): options with (key: name, value: string value)
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372 """
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373 COLORS = C.LOG_OPT_COLORS[0]
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374 LEVEL = C.LOG_OPT_LEVEL[0]
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375
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376 if COLORS in options:
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377 if options[COLORS].lower() in ('1', 'true'):
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378 options[COLORS] = True
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379 elif options[COLORS] == 'force':
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380 options[COLORS] = True
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381 options['force_colors'] = True
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382 else:
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383 options[COLORS] = False
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384 if LEVEL in options:
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385 level = options[LEVEL].upper()
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386 if level not in C.LOG_LEVELS:
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387 level = C.LOG_LVL_INFO
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388 options[LEVEL] = level
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389
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390 def satConfigure(backend=C.LOG_BACKEND_STANDARD, const=None, backend_data=None):
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391 """Configure logging system for SàT, can be used by frontends
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392
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393 logs conf is read in SàT conf, then in environment variables. It must be done before Memory init
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394 @param backend: backend to use, it can be:
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395 - C.LOG_BACKEND_BASIC: print based backend
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396 - C.LOG_BACKEND_TWISTED: Twisted logging backend
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397 - C.LOG_BACKEND_STANDARD: standard logging backend
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398 @param const: Const class to use instead of sat.core.constants.Const (mainly used to change default values)
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399 """
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400 if const is not None:
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401 global C
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402 C = const
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403 log.C = const
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404 from sat.tools import config
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405 import os
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406 log_conf = {}
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407 sat_conf = config.parseMainConf()
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408 for opt_name, opt_default in C.LOG_OPTIONS():
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409 try:
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410 log_conf[opt_name] = os.environ[''.join((C.ENV_PREFIX, C.LOG_OPT_PREFIX.upper(), opt_name.upper()))]
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411 except KeyError:
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412 log_conf[opt_name] = config.getConfig(sat_conf, C.LOG_OPT_SECTION, C.LOG_OPT_PREFIX + opt_name, opt_default)
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413
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414 _parseOptions(log_conf)
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415 configure(backend, backend_data=backend_data, **log_conf)