2016-02-11 03:22:23 +00:00
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#! /usr/bin/python
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2016-02-11 19:28:38 +00:00
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from __future__ import absolute_import, division, print_function
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2016-02-11 03:22:23 +00:00
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import string
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from ..utils import logger
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class SignatureChecker(object):
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@classmethod
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def signatureLocation(cls, name, fin):
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fin.seek(0)
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buf = fin.read(1024)
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for sig in cls.signatures:
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try:
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sindex = string.index(buf.lower(), sig.lower())
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logger.debug("In file %s, signature %s found at %s; doctype %s found",
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name, sig, sindex, cls)
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return sindex
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except ValueError:
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logger.debug("In file %s, signature %s not found for document type %s",
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name, sig, cls.__name__)
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return None
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#
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# -- end of file
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