Show local variables on unhandled crash
svn: r23446
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parent
0fd2c1d74e
commit
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@ -48,3 +48,46 @@ def profile(func, *args):
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stats.sort_stats('time', 'calls')
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stats.sort_stats('time', 'calls')
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stats.print_stats(100)
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stats.print_stats(100)
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stats.print_callers(100)
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stats.print_callers(100)
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def format_exception(tb_type=None, tb_value=None, tb=None):
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"""
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Get the usual traceback information, followed by a listing of all the
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local variables in each frame.
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Based on:
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code.activestate.com/recipes/52215-get-more-information-from-tracebacks
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"""
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import sys
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import traceback
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from gramps.gen.constfunc import cuni
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if tb_type is None:
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tb_type = sys.exc_type
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if tb_value is None:
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tb_value = sys.exc_value
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if tb is None:
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tb = sys.exc_info()[2]
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retval = traceback.format_exception(tb_type, tb_value, tb) + ["\n"]
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while tb.tb_next:
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tb = tb.tb_next
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stack = []
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f = tb.tb_frame
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while f:
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stack.append(f)
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f = f.f_back
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stack.reverse()
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retval.append("Local variables (most recent frame last):\n")
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for frame in stack:
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retval.append(" Frame %s, File \"%s\", line %s:\n" % (frame.f_code.co_name,
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frame.f_code.co_filename,
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frame.f_lineno))
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for key, value in frame.f_locals.items():
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if key.startswith("__"):
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continue
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#We have to be careful not to cause a new error in our error
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#handler! Calling str() on an unknown object could cause an
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#error we don't want.
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try:
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line = " %s = %s\n" % (key, cuni(value))
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except:
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line = " %s = %s\n" % (key, "<ERROR PRINTING VALUE>")
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retval.append(line)
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return retval
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@ -109,9 +109,9 @@ def exc_hook(type, value, tb):
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if type == IOError:
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if type == IOError:
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# strange Windows logging error on close
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# strange Windows logging error on close
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return
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return
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import traceback
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from gramps.gen.utils.debug import format_exception
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LOG.error("Unhandled exception\n" +
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LOG.error("Unhandled exception\n" +
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"".join(traceback.format_exception(type, value, tb)))
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"".join(format_exception(type, value, tb)))
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sys.excepthook = exc_hook
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sys.excepthook = exc_hook
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