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53 lines
1.5 KiB
53 lines
1.5 KiB
#
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# This file is part of pysmi software.
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#
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# Copyright (c) 2015-2019, Ilya Etingof <etingof@gmail.com>
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# License: http://snmplabs.com/pysmi/license.html
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#
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import sys
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from pysmi.writer.base import AbstractWriter
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from pysmi import debug
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from pysmi import error
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class CallbackWriter(AbstractWriter):
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"""Invokes user-specified callable and passes transformed
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MIB module to it.
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Note: user callable object signature must be as follows
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.. function:: cbFun(mibname, contents, cbCtx)
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"""
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def __init__(self, cbFun, cbCtx=None):
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"""Creates an instance of *CallbackWriter* class.
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Args:
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cbFun (callable): user-supplied callable
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Keyword Args:
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cbCtx: user-supplied object passed intact to user callback
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"""
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self._cbFun = cbFun
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self._cbCtx = cbCtx
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def __str__(self):
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return '%s{"%s"}' % (self.__class__.__name__, self._cbFun)
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def putData(self, mibname, data, comments=(), dryRun=False):
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if dryRun:
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debug.logger & debug.flagWriter and debug.logger('dry run mode')
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return
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try:
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self._cbFun(mibname, data, self._cbCtx)
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except Exception:
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raise error.PySmiWriterError(
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'user callback %s failure writing %s: %s' % (self._cbFun, mibname, sys.exc_info()[1]), writer=self)
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debug.logger & debug.flagWriter and debug.logger('user callback for %s succeeded' % mibname)
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def getData(self, filename):
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return ''
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