annotate src/core/log_config.py @ 1350:32ccda01a2be frontends_multi_profiles

frontends (primitivus): fixes MUC nicks completion
author souliane <souliane@mailoo.org>
date Wed, 04 Mar 2015 14:04:03 +0100
parents 08f50fdac21b
children 069ad98b360d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #!/usr/bin/python
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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, 2010, 2011, 2012, 2013, 2014 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):
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47 if colors:
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48 import sys
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49 if force_colors or sys.stdout.isatty(): # FIXME: isatty should be tested on each handler, not globaly
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50 # we need colors
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51 log.Logger.post_treat = lambda self, level, message: self.ansiColors(level, message)
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52 elif force_colors:
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53 raise ValueError("force_colors can't be used if colors is False")
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54
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55 @staticmethod
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56 def getProfile():
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57 """Try to find profile value using introspection"""
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58 import inspect
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59 stack = inspect.stack()
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60 current_path = stack[0][1]
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61 for frame_data in stack[:-1]:
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62 if frame_data[1] != current_path:
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63 if log.backend == C.LOG_BACKEND_STANDARD and "/logging/__init__.py" in frame_data[1]:
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64 continue
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65 break
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66
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67 frame = frame_data[0]
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68 args = inspect.getargvalues(frame)
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69 try:
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70 profile = args.locals.get('profile') or args.locals['profile_key']
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71 except (TypeError, KeyError):
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72 try:
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73 try:
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74 profile = args.locals['self'].profile
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75 except AttributeError:
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76 try:
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77 profile = args.locals['self'].parent.profile
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78 except AttributeError:
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79 profile = args.locals['self'].host.profile # used in quick_frontend for single profile configuration
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80 except Exception:
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81 # we can't find profile, we return an empty value
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82 profile = ''
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83 return profile
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84
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85
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86 class ConfigureTwisted(ConfigureBasic):
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87 LOGGER_CLASS = TwistedLogger
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88
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89 def changeObserver(self, observer, can_colors=False):
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90 """Install a hook on observer to manage SàT specificities
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91
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92 @param observer: original observer to hook
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93 @param can_colors: True if observer can display ansi colors
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94 """
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95 def observer_hook(event):
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96 """redirect non SàT log to twisted_logger, and add colors when possible"""
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97 if 'sat_logged' in event: # we only want our own logs, other are managed by twistedObserver
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98 # we add colors if possible
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99 if (can_colors and self.LOGGER_CLASS.colors) or self.LOGGER_CLASS.force_colors:
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100 message = event.get('message', tuple())
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101 level = event.get('level', C.LOG_LVL_INFO)
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102 if message:
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103 event['message'] = (self.ansiColors(level, ''.join(message)),) # must be a tuple
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104 observer(event) # we can now call the original observer
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105
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106 return observer_hook
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107
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108 def changeFileLogObserver(self, observer):
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109 """Install SàT hook for FileLogObserver
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110
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111 if the output is a tty, we allow colors, else we don't
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112 @param observer: original observer to hook
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113 """
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114 log_obs = observer.__self__
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115 log_file = log_obs.write.__self__
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116 try:
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117 can_colors = log_file.isatty()
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118 except AttributeError:
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119 can_colors = False
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120 return self.changeObserver(observer, can_colors=can_colors)
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121
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122 def installObserverHook(self, observer):
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123 """Check observer type and install SàT hook when possible
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124
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diff changeset
125 @param observer: observer to hook
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Goffi <goffi@goffi.org>
parents: 1006
diff changeset
126 @return: hooked observer or original one
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
127 """
a7d33c7a8277 core (log): refactoring + twisted backend:
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parents: 1006
diff changeset
128 if hasattr(observer, '__self__'):
a7d33c7a8277 core (log): refactoring + twisted backend:
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parents: 1006
diff changeset
129 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
130 if isinstance(observer.__self__, self.twisted_log.FileLogObserver):
1007
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Goffi <goffi@goffi.org>
parents: 1006
diff changeset
131 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
132 elif isinstance(observer.__self__, self.twisted_log.DefaultObserver):
1012
c8771279497e core(log): standard backend: colors are now checked on a per handler basis
Goffi <goffi@goffi.org>
parents: 1010
diff changeset
133 observer = self.changeObserver(observer, can_colors=True)
1007
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parents: 1006
diff changeset
134 else:
a7d33c7a8277 core (log): refactoring + twisted backend:
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parents: 1006
diff changeset
135 # we use print because log system is not fully initialized
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
136 print("Unmanaged observer [%s]" % observer)
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
137 return observer
a7d33c7a8277 core (log): refactoring + twisted backend:
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parents: 1006
diff changeset
138 self.observers[ori] = observer
a7d33c7a8277 core (log): refactoring + twisted backend:
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parents: 1006
diff changeset
139 return observer
991
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
140
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
141 def preTreatment(self):
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diff changeset
142 """initialise needed attributes, and install observers hooks"""
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parents: 1006
diff changeset
143 self.observers = {}
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
144 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
145 self.twisted_log = 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
146 self.log_publisher = twisted_log.msg.__self__
1007
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diff changeset
147 def addObserverObserver(self_logpub, other):
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diff changeset
148 """Install hook so we know when a new observer is added"""
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diff changeset
149 other = self.installObserverHook(other)
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diff changeset
150 return self_logpub._originalAddObserver(other)
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
151 def removeObserverObserver(self_logpub, ori):
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Goffi <goffi@goffi.org>
parents: 1006
diff changeset
152 """removeObserver hook fix
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parents: 1006
diff changeset
153
a7d33c7a8277 core (log): refactoring + twisted backend:
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parents: 1006
diff changeset
154 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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parents: 1006
diff changeset
155 """
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
156 if ori in self.observers:
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diff changeset
157 self_logpub._originalRemoveObserver(self.observers[ori])
1005
b4af31a8a4f2 core (logs): added formatting, name filter and outputs management:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
158 else:
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
159 try:
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
160 self_logpub._originalRemoveObserver(ori)
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
161 except ValueError:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
162 try:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
163 ori in self.cleared_observers
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
164 except AttributeError:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
165 raise ValueError("Unknown observer")
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
166
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
167 # we replace addObserver/removeObserver by our own
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
168 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
169 twisted_log.LogPublisher._originalRemoveObserver = twisted_log.LogPublisher.removeObserver
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
170 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
171 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
172 twisted_log.removeObserver = types.MethodType(removeObserverObserver, self.log_publisher, twisted_log.LogPublisher)
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
173
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
174 # we now change existing observers
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
175 for idx, observer in enumerate(self.log_publisher.observers):
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
176 self.log_publisher.observers[idx] = self.installObserverHook(observer)
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
177
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
178 def configureLevel(self, level):
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
179 self.LOGGER_CLASS.level = level
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
180 super(ConfigureTwisted, self).configureLevel(level)
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parents: 1006
diff changeset
181
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
182 def configureOutput(self, output):
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diff changeset
183 import sys
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
184 if output is None:
a7d33c7a8277 core (log): refactoring + twisted backend:
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parents: 1006
diff changeset
185 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
186 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
187 addObserver = self.twisted_log.addObserver
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
188
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
189 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
190 # 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
191 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
192 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
193 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
194 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
195 addObserver(self.twisted_log.FileLogObserver(sys.stdout).emit)
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
196 else:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
197 # \\default is not in the output, so we remove current observers
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
198 self.cleared_observers = self.log_publisher.observers
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
199 self.observers.clear()
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
200 del self.log_publisher.observers[:]
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
201 # 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
202 self.twisted_log.addObserver = lambda other: None
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
203
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
204 if C.LOG_OPT_OUTPUT_FILE in log.handlers:
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
205 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
206 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
207 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
208 addObserver(self.twisted_log.FileLogObserver(log_file).emit)
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
209
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
210 if C.LOG_OPT_OUTPUT_MEMORY in log.handlers:
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
211 raise NotImplementedError("Memory observer is not implemented in Twisted backend")
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
212
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
213 def configureColors(self, colors, force_colors):
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parents: 1006
diff changeset
214 self.LOGGER_CLASS.colors = colors
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
215 self.LOGGER_CLASS.force_colors = force_colors
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
216 if force_colors and not colors:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
217 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
218
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
219 def postTreatment(self):
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
220 """Install twistedObserver which manage non SàT logs"""
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
221 def twistedObserver(event):
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
222 """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
223 if not 'sat_logged' in event:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
224 # 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
225 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
226 text = twisted_log.textFromEventDict(event)
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
227 if text is None:
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
228 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
229 twisted_logger = log.getLogger(C.LOG_TWISTED_LOGGER)
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
230 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
231 log_method(text.decode('utf-8'))
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
232
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
233 self.log_publisher._originalAddObserver(twistedObserver)
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
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
236 class ConfigureStandard(ConfigureBasic):
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
237
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
238 def __init__(self, level=None, fmt=None, output=None, logger=None, colors=False, force_colors=False, backend_data=None):
1010
73a0b7f94674 primitivus: use of new logging system:
Goffi <goffi@goffi.org>
parents: 1008
diff changeset
239 if fmt is None:
73a0b7f94674 primitivus: use of new logging system:
Goffi <goffi@goffi.org>
parents: 1008
diff changeset
240 fmt = C.LOG_OPT_FORMAT[1]
73a0b7f94674 primitivus: use of new logging system:
Goffi <goffi@goffi.org>
parents: 1008
diff changeset
241 if output is None:
73a0b7f94674 primitivus: use of new logging system:
Goffi <goffi@goffi.org>
parents: 1008
diff changeset
242 output = C.LOG_OPT_OUTPUT[1]
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
243 super(ConfigureStandard, self).__init__(level, fmt, output, logger, colors, force_colors, backend_data)
991
05e02f8b7eb4 core: logging refactoring, first step:
Goffi <goffi@goffi.org>
parents:
diff changeset
244
1007
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
245 def preTreatment(self):
a7d33c7a8277 core (log): refactoring + twisted backend:
Goffi <goffi@goffi.org>
parents: 1006
diff changeset
246 """We use logging methods directly, instead of using Logger"""
a7d33c7a8277 core (log): refactoring + twisted backend:
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247 import logging
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248 log.getLogger = logging.getLogger
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249 log.debug = logging.debug
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250 log.info = logging.info
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251 log.warning = logging.warning
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diff changeset
252 log.error = logging.error
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diff changeset
253 log.critical = logging.critical
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254
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diff changeset
255 def configureLevel(self, level):
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diff changeset
256 if level is None:
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257 level = C.LOG_LVL_DEBUG
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diff changeset
258 self.level = level
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259
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260 def configureFormat(self, fmt):
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diff changeset
261 import logging
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262
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263 class SatFormatter(logging.Formatter):
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264 u"""Formatter which manage SàT specificities"""
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265 _format = fmt
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266 _with_profile = '%(profile)s' in fmt
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267
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268 def __init__(self, can_colors=False):
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269 super(SatFormatter, self).__init__(self._format)
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270 self.can_colors = can_colors
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271
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272 def format(self, record):
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diff changeset
273 if self._with_profile:
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274 record.profile = ConfigureStandard.getProfile()
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275 s = super(SatFormatter, self).format(record)
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276 if self.with_colors and (self.can_colors or self.force_colors):
1021
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277 s = ConfigureStandard.ansiColors(record.levelname, s)
1007
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278 return s
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279
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280 self.formatterClass = SatFormatter
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281
1007
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282 def configureOutput(self, output):
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283 self.manageOutputs(output)
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284
1007
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285 def configureLogger(self, logger):
1021
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286 self.name_filter = log.FilterName(logger) if logger else None
1007
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287
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288 def configureColors(self, colors, force_colors):
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diff changeset
289 self.formatterClass.with_colors = colors
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290 self.formatterClass.force_colors = force_colors
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291 if not colors and force_colors:
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292 raise ValueError("force_colors can't be used if colors is False")
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293
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294 def _addHandler(self, root_logger, hdlr, can_colors=False):
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diff changeset
295 hdlr.setFormatter(self.formatterClass(can_colors))
1007
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296 root_logger.addHandler(hdlr)
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297 root_logger.setLevel(self.level)
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diff changeset
298 if self.name_filter is not None:
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diff changeset
299 hdlr.addFilter(self.name_filter)
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300
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diff changeset
301 def postTreatment(self):
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diff changeset
302 import logging
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303 root_logger = logging.getLogger()
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diff changeset
304 if len(root_logger.handlers) == 0:
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
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diff changeset
305 for handler, options in log.handlers.items():
1007
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diff changeset
306 if handler == C.LOG_OPT_OUTPUT_DEFAULT:
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diff changeset
307 hdlr = logging.StreamHandler()
1012
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diff changeset
308 try:
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diff changeset
309 can_colors = hdlr.stream.isatty()
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diff changeset
310 except AttributeError:
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diff changeset
311 can_colors = False
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diff changeset
312 self._addHandler(root_logger, hdlr, can_colors=can_colors)
1007
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diff changeset
313 elif handler == C.LOG_OPT_OUTPUT_MEMORY:
1010
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diff changeset
314 from logging.handlers import BufferingHandler
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diff changeset
315 class SatMemoryHandler(BufferingHandler):
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diff changeset
316 def emit(self, record):
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diff changeset
317 super(SatMemoryHandler, self).emit(self.format(record))
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diff changeset
318 hdlr = SatMemoryHandler(options)
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
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diff changeset
319 log.handlers[handler] = hdlr # we keep a reference to the handler to read the buffer later
1012
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diff changeset
320 self._addHandler(root_logger, hdlr, can_colors=False)
1007
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diff changeset
321 elif handler == C.LOG_OPT_OUTPUT_FILE:
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diff changeset
322 import os.path
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diff changeset
323 for path in options:
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diff changeset
324 hdlr = logging.FileHandler(os.path.expanduser(path))
1012
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diff changeset
325 self._addHandler(root_logger, hdlr, can_colors=False)
1007
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diff changeset
326 else:
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diff changeset
327 raise ValueError("Unknown handler type")
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diff changeset
328 else:
a7d33c7a8277 core (log): refactoring + twisted backend:
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diff changeset
329 root_logger.warning(u"Handlers already set on root logger")
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diff changeset
330
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
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diff changeset
331 @staticmethod
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
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diff changeset
332 def memoryGet(size=None):
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
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333 """Return buffered logs
1006
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diff changeset
334
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
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diff changeset
335 @param size: number of logs to return
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
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diff changeset
336 """
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
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diff changeset
337 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
338 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.
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parents: 1017
diff changeset
339
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
parents: 1017
diff changeset
340
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
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diff changeset
341 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>
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diff changeset
342 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
343 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>
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diff changeset
344
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
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diff changeset
345 def configure(backend, **options):
1006
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diff changeset
346 """Configure logging behaviour
991
05e02f8b7eb4 core: logging refactoring, first step:
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parents:
diff changeset
347 @param backend: can be:
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parents:
diff changeset
348 C.LOG_BACKEND_STANDARD: use standard logging module
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diff changeset
349 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
350 C.LOG_BACKEND_BASIC: use a basic print based logging
1017
0ea97f483464 core (log): added "custom" backend
Goffi <goffi@goffi.org>
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diff changeset
351 C.LOG_BACKEND_CUSTOM: use a given Logger subclass
991
05e02f8b7eb4 core: logging refactoring, first step:
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parents:
diff changeset
352 """
1021
a836b6da2c5c core (log): moved configuration to core.log_config; this avoid import issues with pyjamas.
Goffi <goffi@goffi.org>
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diff changeset
353 return log.configure(backend, **options)
991
05e02f8b7eb4 core: logging refactoring, first step:
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parents:
diff changeset
354
994
652c01ca69b1 core (log): configuration and environment variables are now checked for log level and colors:
Goffi <goffi@goffi.org>
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diff changeset
355 def _parseOptions(options):
652c01ca69b1 core (log): configuration and environment variables are now checked for log level and colors:
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diff changeset
356 """Parse string options as given in conf or environment variable, and return expected python value
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diff changeset
357
652c01ca69b1 core (log): configuration and environment variables are now checked for log level and colors:
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diff changeset
358 @param options (dict): options with (key: name, value: string value)
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diff changeset
359 """
1005
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diff changeset
360 COLORS = C.LOG_OPT_COLORS[0]
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parents: 994
diff changeset
361 LEVEL = C.LOG_OPT_LEVEL[0]
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parents: 994
diff changeset
362
b4af31a8a4f2 core (logs): added formatting, name filter and outputs management:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
363 if COLORS in options:
b4af31a8a4f2 core (logs): added formatting, name filter and outputs management:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
364 if options[COLORS].lower() in ('1', 'true'):
b4af31a8a4f2 core (logs): added formatting, name filter and outputs management:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
365 options[COLORS] = True
b4af31a8a4f2 core (logs): added formatting, name filter and outputs management:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
366 elif options[COLORS] == 'force':
b4af31a8a4f2 core (logs): added formatting, name filter and outputs management:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
367 options[COLORS] = True
994
652c01ca69b1 core (log): configuration and environment variables are now checked for log level and colors:
Goffi <goffi@goffi.org>
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diff changeset
368 options['force_colors'] = True
652c01ca69b1 core (log): configuration and environment variables are now checked for log level and colors:
Goffi <goffi@goffi.org>
parents: 992
diff changeset
369 else:
1005
b4af31a8a4f2 core (logs): added formatting, name filter and outputs management:
Goffi <goffi@goffi.org>
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diff changeset
370 options[COLORS] = False
b4af31a8a4f2 core (logs): added formatting, name filter and outputs management:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
371 if LEVEL in options:
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372 level = options[LEVEL].upper()
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373 if level not in C.LOG_LEVELS:
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374 level = C.LOG_LVL_INFO
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375 options[LEVEL] = level
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376
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377 def satConfigure(backend=C.LOG_BACKEND_STANDARD, const=None, backend_data=None):
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378 """Configure logging system for SàT, can be used by frontends
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379
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380 logs conf is read in SàT conf, then in environment variables. It must be done before Memory init
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381 @param backend: backend to use, it can be:
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382 - C.LOG_BACKEND_BASIC: print based backend
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383 - C.LOG_BACKEND_TWISTED: Twisted logging backend
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384 - C.LOG_BACKEND_STANDARD: standard logging backend
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385 @param const: Const class to use instead of sat.core.constants.Const (mainly used to change default values)
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386 """
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387 if const is not None:
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388 global C
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389 C = const
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390 log.C = const
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391 import ConfigParser
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392 import os
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393 log_conf = {}
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394 config = ConfigParser.SafeConfigParser()
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395 config.read(C.CONFIG_FILES)
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396 for opt_name, opt_default in C.LOG_OPTIONS():
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diff changeset
397 try:
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398 log_conf[opt_name] = os.environ[''.join((C.ENV_PREFIX, C.LOG_OPT_PREFIX.upper(), opt_name.upper()))]
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399 except KeyError:
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400 try:
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401 log_conf[opt_name] = config.get(C.LOG_OPT_SECTION, C.LOG_OPT_PREFIX + opt_name)
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402 except (ConfigParser.NoOptionError, ConfigParser.NoSectionError):
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403 log_conf[opt_name] = opt_default
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diff changeset
404
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405 _parseOptions(log_conf)
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diff changeset
406 configure(backend, backend_data=backend_data, **log_conf)