77 lines
2.3 KiB
Python
77 lines
2.3 KiB
Python
# Copyright The IETF Trust 2007, All Rights Reserved
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import logging
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import inspect
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import os.path
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try:
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import syslog
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logfunc = syslog.syslog
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except ImportError: # import syslog will fail on Windows boxes
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logging.basicConfig(filename='tracker.log',level=logging.INFO)
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logfunc = logging.info
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pass
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from django.conf import settings
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import debug # pyflakes:ignore
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def getclass(frame):
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cls = None
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argnames, varargs, varkw, defaults = inspect.getargvalues(frame)
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if len(argnames) > 0:
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selfname = argnames[0]
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cls = defaults[selfname].__class__
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return cls
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def getcaller():
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parent, pfile, pline, pfunction, lines, index = inspect.stack()[2]
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moduleinfo = inspect.getmoduleinfo(pfile)
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pmodule = moduleinfo[0] if moduleinfo else None
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pclass = getclass(parent)
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return (pmodule, pclass, pfunction, pfile, pline)
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def log(msg):
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"Uses syslog by preference. Logs the given calling point and message."
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if settings.SERVER_MODE == 'test':
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return
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if isinstance(msg, unicode):
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msg = msg.encode('unicode_escape')
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try:
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mod, cls, func, file, line = getcaller()
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file = os.path.abspath(file)
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file = file.replace(settings.BASE_DIR, "")
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if func == "<module>":
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where = ""
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else:
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where = " in " + func + "()"
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except IndexError:
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file, line, where = "/<UNKNOWN>", 0, ""
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logfunc("ietf%s(%d)%s: %s" % (file, line, where, msg))
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logger = logging.getLogger('django')
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def affirm(statement):
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"""
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This acts like an assertion. It uses the django logger in order to send
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the failed assertion and a backtrace as for an internal server error.
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"""
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class Traceback():
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pass
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frame = inspect.stack()[1][0]
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value = eval(statement, frame.f_globals, frame.f_locals)
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if not value:
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if settings.DEBUG is True:
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raise AssertionError("Assertion '%s' failed." % (statement,))
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else:
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# build a simulated traceback object
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tb = Traceback()
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tb.tb_frame = frame
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tb.tb_lasti = None
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tb.tb_lineno = frame.f_lineno
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tb.tb_next = None
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logger.error("Assertion '%s' failed.", statement, exc_info=(AssertionError, statement, tb), extra=frame.f_locals)
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