[issue8214] Add exception logging function to syslog module

[Eric Smith]

Eric Smith <eric at trueblade.com> added the comment:

Good point. So that makes the implementation more like:

import traceback
import syslog
import sys

def syslog_exception(etype, evalue, etb):
    # The result of traceback.format_exception might contain
    # embedded newlines, so we have the nested loops.
    for line in traceback.format_exception(etype, evalue, etb):
        for line in line.rstrip().split('\n'):
            syslog.syslog(line)

def logexceptions(chain=True):
    # Should we chain to the existing sys.excepthook?
    current_hook = sys.excepthook if chain else None

    def hook(etype, evalue, etb):
        if current_hook:
            current_hook(etype, evalue, etb)
        syslog_exception(etype, evalue, etb)
    sys.excepthook = hook

We could then make syslog_exception take a tuple instead of the 3 values. I'm not sure which is more convenient, or more widely used in other APIs.

Once it's moved into syslog, maybe syslog_exception named syslog.log_exception.

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<http://bugs.python.org/issue8214>
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