Mercurial > cpython-lru_cache-weakref

annotate Lib/distutils/log.py @ 58925:eecf1bef052d 2.6

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Merged revisions 78207 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r78207 | ezio.melotti | 2010-02-17 01:26:09 +0200 (Wed, 17 Feb 2010) | 1 line #7930: fix stripid ........
author Ezio Melotti <ezio.melotti@gmail.com>
date Tue, 16 Feb 2010 23:29:44 +0000
parents 8d0579d2b662
children a5229237eb50 4cdf21a0dbbc
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1 """A simple log mechanism styled after PEP 282."""
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2
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3 # This module should be kept compatible with Python 2.1.
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4
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5 # The class here is styled after PEP 282 so that it could later be
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6 # replaced with a standard Python logging implementation.
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7
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8 DEBUG = 1
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9 INFO = 2
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10 WARN = 3
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11 ERROR = 4
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12 FATAL = 5
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13
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14 import sys
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15
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16 class Log:
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17
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18 def __init__(self, threshold=WARN):
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19 self.threshold = threshold
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20
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21 def _log(self, level, msg, args):
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22 if level >= self.threshold:
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23 if not args:
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24 # msg may contain a '%'. If args is empty,
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25 # don't even try to string-format
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26 print msg
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27 else:
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28 print msg % args
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29 sys.stdout.flush()
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30
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31 def log(self, level, msg, *args):
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32 self._log(level, msg, args)
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33
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34 def debug(self, msg, *args):
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35 self._log(DEBUG, msg, args)
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36
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37 def info(self, msg, *args):
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38 self._log(INFO, msg, args)
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39
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40 def warn(self, msg, *args):
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41 self._log(WARN, msg, args)
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42
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43 def error(self, msg, *args):
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44 self._log(ERROR, msg, args)
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45
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46 def fatal(self, msg, *args):
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47 self._log(FATAL, msg, args)
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48
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49 _global_log = Log()
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50 log = _global_log.log
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51 debug = _global_log.debug
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52 info = _global_log.info
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53 warn = _global_log.warn
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54 error = _global_log.error
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55 fatal = _global_log.fatal
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56
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57 def set_threshold(level):
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58 # return the old threshold for use from tests
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59 old = _global_log.threshold
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60 _global_log.threshold = level
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61 return old
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62
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63 def set_verbosity(v):
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64 if v <= 0:
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65 set_threshold(WARN)
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66 elif v == 1:
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67 set_threshold(INFO)
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68 elif v >= 2:
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69 set_threshold(DEBUG)