111 lines
3 KiB
Python
111 lines
3 KiB
Python
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import time
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import logging
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from pyasn1.compat.octets import octs2ints
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from pyasn1 import error
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from pyasn1 import __version__
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flagNone = 0x0000
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flagEncoder = 0x0001
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flagDecoder = 0x0002
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flagAll = 0xffff
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flagMap = {
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'encoder': flagEncoder,
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'decoder': flagDecoder,
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'all': flagAll
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}
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class Printer:
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def __init__(self, logger=None, handler=None, formatter=None):
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if logger is None:
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logger = logging.getLogger('pyasn1')
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logger.setLevel(logging.DEBUG)
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if handler is None:
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handler = logging.StreamHandler()
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if formatter is None:
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formatter = logging.Formatter('%(asctime)s %(name)s: %(message)s')
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handler.setFormatter(formatter)
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handler.setLevel(logging.DEBUG)
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logger.addHandler(handler)
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self.__logger = logger
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def __call__(self, msg): self.__logger.debug(msg)
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def __str__(self): return '<python built-in logging>'
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if hasattr(logging, 'NullHandler'):
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NullHandler = logging.NullHandler
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else:
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# Python 2.6 and older
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class NullHandler(logging.Handler):
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def emit(self, record):
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pass
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class Debug:
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defaultPrinter = None
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def __init__(self, *flags, **options):
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self._flags = flagNone
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if options.get('printer') is not None:
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self._printer = options.get('printer')
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elif self.defaultPrinter is not None:
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self._printer = self.defaultPrinter
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if 'loggerName' in options:
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# route our logs to parent logger
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self._printer = Printer(
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logger=logging.getLogger(options['loggerName']),
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handler=NullHandler()
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)
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else:
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self._printer = Printer()
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self('running pyasn1 version %s' % __version__)
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for f in flags:
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inverse = f and f[0] in ('!', '~')
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if inverse:
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f = f[1:]
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try:
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if inverse:
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self._flags &= ~flagMap[f]
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else:
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self._flags |= flagMap[f]
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except KeyError:
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raise error.PyAsn1Error('bad debug flag %s' % f)
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self('debug category \'%s\' %s' % (f, inverse and 'disabled' or 'enabled'))
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def __str__(self):
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return 'logger %s, flags %x' % (self._printer, self._flags)
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def __call__(self, msg):
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self._printer(msg)
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def __and__(self, flag):
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return self._flags & flag
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def __rand__(self, flag):
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return flag & self._flags
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logger = 0
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def setLogger(l):
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global logger
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logger = l
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def hexdump(octets):
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return ' '.join(
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[ '%s%.2X' % (n%16 == 0 and ('\n%.5d: ' % n) or '', x)
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for n,x in zip(range(len(octets)), octs2ints(octets)) ]
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)
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class Scope:
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def __init__(self):
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self._list = []
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def __str__(self): return '.'.join(self._list)
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def push(self, token):
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self._list.append(token)
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def pop(self):
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return self._list.pop()
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scope = Scope()
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