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annotate roundup/rlog.py @ 2806:845e87d5e3ba

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translator objects now have the following search path: - selected locale messages in the tracker locale dir - selected locale messages in the system locale dir - english messages in the tracker locale dir - english messages in the system locale dir automatically compile .mo files if needed (found .po file and .mo is missing or .po mtime is greater that .mo mtime) removed support for python < 2.0. gettext module is now required. get_translation: removed 'domain' argument, added 'tracker_home' argument
author Alexander Smishlajev <a1s@users.sourceforge.net>
date Sat, 23 Oct 2004 14:03:34 +0000
parents 93e2e5b55a3c
children 9c8de04a76b1
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1 '''Roundup basic logging support.
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2
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3 This module will use the standard Python logging implementation when
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4 available. If not, then a basic logging implementation, BasicLogging and
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5 BasicLoggingChannel will be used.
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6
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7 Configuration for "logging" module:
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8 - tracker configuration file specifies the location of a logging
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9 configration file as LOGGING_CONFIG
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10 - roundup-server and roundup-mailgw specify the location of a logging
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11 configuration file on the command line
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12 Configuration for "BasicLogging" implementation:
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13 - tracker configuration file specifies the location of a log file
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14 LOGGING_FILENAME
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15 - tracker configuration file specifies the level to log to as
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16 LOGGING_LEVEL
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17 - roundup-server and roundup-mailgw specify the location of a log
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18 file on the command line
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19 - roundup-server and roundup-mailgw specify the level to log to on
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20 the command line
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21
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22 In both cases, if no logfile is specified then logging will simply be sent
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23 to sys.stderr with only logging of ERROR messages.
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24
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25 In terms of the Roundup code using the logging implementation:
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26 - a "logging" object will be available on the "config" object for each
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27 tracker
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28 - the roundup-server and roundup-mailgw code will have a global "logging"
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29 object.
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30
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31 It is intended that the logger API implementation here be the same as (or
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32 close enough to) that of the standard Python library "logging" module.
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33 '''
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34 import sys, time, traceback
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35
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36 class BasicLogging:
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37 LVL_DEBUG = 4
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38 LVL_INFO = 3
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39 LVL_WARNING= 2
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40 LVL_ERROR= 1
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41 LVL_NONE = 0
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42 NAMES = {
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43 LVL_DEBUG: 'DEBUG',
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44 LVL_INFO: 'INFO',
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45 LVL_WARNING: 'WARNING',
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46 LVL_ERROR: 'ERROR',
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47 }
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48 level = LVL_INFO
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49 loggers = {}
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50 file = None
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51 def getLogger(self, name):
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52 return self.loggers.setdefault(name, BasicLogger(self.file, self.level))
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53 def fileConfig(self, filename):
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54 '''User is attempting to use a config file, but the basic logger
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55 doesn't support that.'''
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56 raise RuntimeError, "File-based logging configuration requires "\
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57 "the logging package."
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58 def setFile(self, file):
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59 '''Set the file to log to. "file" is either an open file object or
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60 a string filename to append entries to.
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61 '''
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62 if isinstance(file, type('')):
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63 file = open(file, 'a')
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64 self.file = file
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65 def setLevel(self, level):
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66 '''Set the maximum logging level. "level" is either a level number
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67 (one of the LVL_ values) or a string level name.
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68 '''
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69 if isinstance(level, type('')):
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70 for num, name in self.NAMES.items():
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71 if name == level:
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72 level = num
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73 self.level = level
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74
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75 class BasicLogger:
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76 '''Used when the standard Python library logging module isn't available.
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77
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78 Supports basic configuration through the tracker config file vars
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79 LOGGING_LEVEL and LOGGING_FILENAME.'''
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80 def __init__(self, file, level):
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81 self.file = file
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82 self.level = level
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83 self.format = '%(time)s %(level)s %(message)s'
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84
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85 def setFile(self, file):
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86 '''Set the file to log to. "file" is either an open file object or
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87 a string filename to append entries to.
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88 '''
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89 if isinstance(file, type('')):
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90 file = open(file, 'a')
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91 self.file = file
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92 def setLevel(self, level):
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93 '''Set the maximum logging level. "level" is either a level number
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94 (one of the LVL_ values) or a string level name.
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95 '''
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96 if isinstance(level, type('')):
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97 for num, name in BasicLogging.NAMES.items():
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98 if name == level:
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99 level = num
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100 self.level = level
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101 def setFormat(self, format):
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102 self.format = format
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103 def write(self, level, message):
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104 info = {
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105 'time': time.strftime('%Y-%m-%d %H:%M:%S'),
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106 'level': BasicLogging.NAMES[level],
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107 'message': message
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108 }
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109 message = self.format%info
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110 self._write(message)
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111 self._write('\n')
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112 def _write(self, text):
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113 file = self.file or sys.stderr
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114 file.write(text)
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115 def debug(self, message):
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116 if self.level < BasicLogging.LVL_DEBUG: return
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117 self.write(BasicLogging.LVL_DEBUG, message)
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118 def info(self, message):
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119 if self.level < BasicLogging.LVL_INFO: return
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120 self.write(BasicLogging.LVL_INFO, message)
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121 def warning(self, message):
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122 if self.level < BasicLogging.LVL_WARNING: return
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123 self.write(BasicLogging.LVL_WARNING, message)
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124 def error(self, message):
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125 if self.level < BasicLogging.LVL_ERROR: return
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126 self.write(BasicLogging.LVL_ERROR, message)
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127 def exception(self, message):
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128 if self.level < BasicLogging.LVL_ERROR: return
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129 self.write(BasicLogging.LVL_ERROR, message)
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130 self._write(traceback.format_exception(*(sys.exc_info())))
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131
Roundup Issue Tracker: http://roundup-tracker.org/