Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/pyasn1/debug.py: 65%
80 statements
« prev ^ index » next coverage.py v7.3.2, created at 2023-12-08 06:40 +0000
« prev ^ index » next coverage.py v7.3.2, created at 2023-12-08 06:40 +0000
1#
2# This file is part of pyasn1 software.
3#
4# Copyright (c) 2005-2020, Ilya Etingof <etingof@gmail.com>
5# License: https://pyasn1.readthedocs.io/en/latest/license.html
6#
7import logging
8import sys
10from pyasn1 import __version__
11from pyasn1 import error
12from pyasn1.compat.octets import octs2ints
14__all__ = ['Debug', 'setLogger', 'hexdump']
16DEBUG_NONE = 0x0000
17DEBUG_ENCODER = 0x0001
18DEBUG_DECODER = 0x0002
19DEBUG_ALL = 0xffff
21FLAG_MAP = {
22 'none': DEBUG_NONE,
23 'encoder': DEBUG_ENCODER,
24 'decoder': DEBUG_DECODER,
25 'all': DEBUG_ALL
26}
28LOGGEE_MAP = {}
31class Printer(object):
32 # noinspection PyShadowingNames
33 def __init__(self, logger=None, handler=None, formatter=None):
34 if logger is None:
35 logger = logging.getLogger('pyasn1')
37 logger.setLevel(logging.DEBUG)
39 if handler is None:
40 handler = logging.StreamHandler()
42 if formatter is None:
43 formatter = logging.Formatter('%(asctime)s %(name)s: %(message)s')
45 handler.setFormatter(formatter)
46 handler.setLevel(logging.DEBUG)
47 logger.addHandler(handler)
49 self.__logger = logger
51 def __call__(self, msg):
52 self.__logger.debug(msg)
54 def __str__(self):
55 return '<python logging>'
58class Debug(object):
59 defaultPrinter = Printer()
61 def __init__(self, *flags, **options):
62 self._flags = DEBUG_NONE
64 if 'loggerName' in options:
65 # route our logs to parent logger
66 self._printer = Printer(
67 logger=logging.getLogger(options['loggerName']),
68 handler=logging.NullHandler()
69 )
71 elif 'printer' in options:
72 self._printer = options.get('printer')
74 else:
75 self._printer = self.defaultPrinter
77 self._printer('running pyasn1 %s, debug flags %s' % (__version__, ', '.join(flags)))
79 for flag in flags:
80 inverse = flag and flag[0] in ('!', '~')
81 if inverse:
82 flag = flag[1:]
83 try:
84 if inverse:
85 self._flags &= ~FLAG_MAP[flag]
86 else:
87 self._flags |= FLAG_MAP[flag]
88 except KeyError:
89 raise error.PyAsn1Error('bad debug flag %s' % flag)
91 self._printer("debug category '%s' %s" % (flag, inverse and 'disabled' or 'enabled'))
93 def __str__(self):
94 return 'logger %s, flags %x' % (self._printer, self._flags)
96 def __call__(self, msg):
97 self._printer(msg)
99 def __and__(self, flag):
100 return self._flags & flag
102 def __rand__(self, flag):
103 return flag & self._flags
105_LOG = DEBUG_NONE
108def setLogger(userLogger):
109 global _LOG
111 if userLogger:
112 _LOG = userLogger
113 else:
114 _LOG = DEBUG_NONE
116 # Update registered logging clients
117 for module, (name, flags) in LOGGEE_MAP.items():
118 setattr(module, name, _LOG & flags and _LOG or DEBUG_NONE)
121def registerLoggee(module, name='LOG', flags=DEBUG_NONE):
122 LOGGEE_MAP[sys.modules[module]] = name, flags
123 setLogger(_LOG)
124 return _LOG
127def hexdump(octets):
128 return ' '.join(
129 ['%s%.2X' % (n % 16 == 0 and ('\n%.5d: ' % n) or '', x)
130 for n, x in zip(range(len(octets)), octs2ints(octets))]
131 )
134class Scope(object):
135 def __init__(self):
136 self._list = []
138 def __str__(self): return '.'.join(self._list)
140 def push(self, token):
141 self._list.append(token)
143 def pop(self):
144 return self._list.pop()
147scope = Scope()