本文整理汇总了Python中mixminion.Common.LOG.fatal方法的典型用法代码示例。如果您正苦于以下问题：Python LOG.fatal方法的具体用法？Python LOG.fatal怎么用？Python LOG.fatal使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类mixminion.Common.LOG的用法示例。
在下文中一共展示了LOG.fatal方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: configure_trng
# 需要导入模块: from mixminion.Common import LOG [as 别名]
# 或者: from mixminion.Common.LOG import fatal [as 别名]
def configure_trng(config):
"""Initialize the true entropy source from a given Config object. If
none is provided, tries some sane defaults."""
global _TRNG_FILENAME
global _theTrueRNG
if sys.platform == 'win32':
# We have two entropy sources on windows: openssl's built-in
# entropy generator that takes data from the screen, and
# Windows's CryptGenRandom function. Because the former is
# insecure, and the latter is closed-source, we xor them.
_ml.win32_openssl_seed()
_ml.openssl_seed(_ml.win32_get_random_bytes(32))
_theTrueRNG = _XorRNG(_OpensslRNG(), _WinTrueRNG())
return
if config is not None:
requestedFile = config['Host'].get('EntropySource')
else:
requestedFile = None
# Build a list of candidates
defaults = PLATFORM_TRNG_DEFAULTS.get(sys.platform,
PLATFORM_TRNG_DEFAULTS['***'])
files = [ requestedFile ] + defaults
# Now find the first of our candidates that exists and is a character
# device.
randFile = None
for filename in files:
if filename is None:
continue
verbose = (filename == requestedFile)
if not os.path.exists(filename):
if verbose:
LOG.warn("No such file as %s", filename)
else:
st = os.stat(filename)
if not (st[stat.ST_MODE] & stat.S_IFCHR):
if verbose:
LOG.error("Entropy source %s isn't a character device",
filename)
else:
randFile = filename
break
if randFile is None and _TRNG_FILENAME is None:
LOG.fatal("No entropy source available: Tried all of %s",
files)
raise MixFatalError("No entropy source available")
elif randFile is None:
LOG.warn("Falling back to previous entropy source %s",
_TRNG_FILENAME)
else:
LOG.info("Setting entropy source to %r", randFile)
_TRNG_FILENAME = randFile
_theTrueRNG = _TrueRNG(1024)