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1
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from exception_wrappers import ExceptionWrapper |
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2
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from six import add_metaclass |
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3
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from sortedcontainers import SortedSet |
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4
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import collections |
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5
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import logging |
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6
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import sys |
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7
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import time |
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8
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9
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Record = collections.namedtuple('Record', 'level timestamp message') |
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10
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log = logging.getLogger(__name__) |
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11
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12
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13
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class InterfaceMessagesMeta(type): |
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14
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@property |
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15
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def critical(cls): |
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16
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return cls.severity >= logging.CRITICAL |
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17
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18
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1 |
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@property |
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19
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def message(cls): |
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20
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if not cls.records: |
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21
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return logging.NOTSET |
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22
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23
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# Return the latest highest level/severity message |
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return cls.records[-1].message |
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26
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1 |
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@property |
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27
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def record(cls): |
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28
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if not cls.records: |
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return None |
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30
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31
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return cls.records[-1] |
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32
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33
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1 |
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@property |
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34
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def severity(cls): |
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35
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1 |
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if not cls.records: |
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36
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1 |
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return logging.NOTSET |
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37
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38
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# Return the highest error level/severity |
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39
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return cls.records[-1].level |
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40
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41
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42
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@add_metaclass(InterfaceMessagesMeta) |
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43
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class InterfaceMessages(object): |
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44
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1 |
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records = SortedSet() |
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45
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46
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1 |
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@classmethod |
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47
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def add(cls, level, message, *args): |
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48
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try: |
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49
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message = message % args |
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50
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except TypeError: |
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51
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log.warn('Unable to format string %r, with arguments: %r', message, args) |
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52
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53
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# Append message to log file |
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54
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if level <= logging.CRITICAL: |
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55
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log.log(level, message) |
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56
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else: |
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57
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log.log(logging.CRITICAL, message) |
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58
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59
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# Add interface message record |
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60
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cls.records.add(Record( |
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61
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level=level, |
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62
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timestamp=time.time(), |
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63
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message=message |
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64
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)) |
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65
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66
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1 |
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@classmethod |
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67
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1 |
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def add_exception(cls, level, message, exc_info=None): |
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68
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if exc_info is None: |
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69
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exc_info = sys.exc_info() |
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70
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|
71
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# Ensure message has been provided |
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72
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if not message: |
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73
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log.warn('Ignoring add_exception() call, no message was provided') |
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74
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return |
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75
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76
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# Append message to log file |
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77
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log.log(level, message, exc_info=exc_info) |
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78
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|
79
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# Add interface message record |
|
80
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cls.records.add(Record( |
|
81
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level=level, |
|
82
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timestamp=time.time(), |
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83
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message=message |
|
84
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)) |
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85
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|
86
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1 |
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@classmethod |
|
87
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def bind(cls): |
|
88
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ExceptionWrapper.on('exception', cls._on_exception) |
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89
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|
90
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log.info('Bound to exception events') |
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91
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92
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1 |
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@classmethod |
|
93
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def _on_exception(cls, source, message, exc_info): |
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|
94
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# Append error message |
|
95
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InterfaceMessages.add_exception(logging.CRITICAL, message, exc_info) |
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96
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fuzeman /
Plex-Trakt-Scrobbler
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