82 lines
3.0 KiB
Python
82 lines
3.0 KiB
Python
import logging
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"""
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Base Class for a Logentry is Log. Stacktrace is an exception, which gets injected if a stacktrace
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is assumed, and swallows all following unrecognized logs.
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-> It gets parsed by a Logstream, like the Logfile, but might also be used to be feeded
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by live-streams of currently open log files.
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-> Logfiles is responsible to read whole packs of files, and
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-> Sessions are responsible for reading whole directories.
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A Log object usually will expand itself containing "values", and is responsible to retain all dynamic data needed to describe it in unpack()
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The classmethod is_handler should pre-scan a log, which is usually a dict containing the actual log in log['log']
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but it could be a string aswell.
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clean is called to make a log object independent of its source information, and delete all incoming data, so it becomes sleek.
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reviewed is an internal boolean, which supposed to be saved on successful unpack, unpack should ignore already unpacked logs.
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matcher is a regex object to match, or a list of them.
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trash is a boolean flag to indicate, this log is possibly unknown information or unneeded, and should be removed or ignored.
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"""
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L_CMBT = 'CMBT'
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L_WARNING = 'WARNING'
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L_NET = 'NET' # Not supported in near future.
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L_CHAT = 'CHAT'
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class Log(object):
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__slots__ = ['matcher', 'trash', 'reviewed']
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matcher = None
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trash = False
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reviewed = False
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@classmethod
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def is_handler(cls, log):
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return False
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def unpack(self, force=False):
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''' unpacks this log from its data and saves values '''
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pass
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def explain(self):
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''' returns a String readable by humans explaining this Log '''
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return ''
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def clean(self):
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''' tell the log to forget all non-essential data '''
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pass
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def append(self, something):
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''' returns true if this logfile wants an unrecognized log appended to it. '''
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return False
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class Stacktrace(Log):
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''' Special Log to catch error reports '''
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def __init__(self, values=None):
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super(Stacktrace, self).__init__()
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self.message = values or ''
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if isinstance(self.message, dict):
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self.message = self.message.get('log', '')
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#self.trash = True
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@classmethod
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def is_handler(cls, log):
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# do i have a system crash report beginning here?
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if isinstance(log, basestring):
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l = log.strip()
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elif isinstance(log, dict):
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l = log.get('log', '').strip()
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else:
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return False
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if l.startswith('Stack trace:') or l.startswith('BitStream::DbgLog'):
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return True
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def clean(self):
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self.message = ''
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def append(self, something):
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''' I take anything! '''
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logging.debug( "EXC: %s" % something )
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self.message = '%s\n%s' % (self.message, something)
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return True |